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Advanced Analog Technology, Inc.
AAT8661 Series
Product information presented is current as of publication date. Details are subject to change without notice.
ONE-CELL LI-ION BATTERY PROTECTION IC
FEATURES
Ideal for One-Cell Rechargeable Li-Ion Battery Packs High Accuracy Voltage Detection Low Current Consumption:
GENERAL DESCRIPTION
The AAT8661 series are designed to protect one-cell rechargeable Li-Ion battery pack against over-charge, over-discharge, over-current and short circuit. They use CMOS process to provide high accuracy voltage detection and low current consumption. Each of the AAT8661 devices incorporates voltage comparators, bandgap reference voltage generator, signal delay circuit, short circuit detector, and digital control circuit. In the charge process, when the battery voltage is charged to a value greater than VC1 (Over-Charge Threshold Voltage), the output of C out pin switches to the low level, i.e., the VN pin level. The output of C out pin will switch to high level
3A Supply Current (Typical) 0.1A Shutdown Current
3-Level Over Current Detection: Over-Current Level 1 /Over Current Level 2 / Short Circuit Wide Operating - 40 C to 85 C Temperature Range:
Small SOT26 Package
PIN CONFIGURATION
D out
GND
VN
V DD
NULL
when the battery voltage falls lower than VC2 (Over-Charge Release Voltage), or when the charger is disconnected from the battery pack and the battery voltage level ranges between VC1 and VC2. During the discharge process, when the battery voltage drops to a value lower than VD1 (Over-Discharge Threshold Voltage), the output of D out pin switches to low level immediately after the internal delay time elapses. The output of D out pin will switch to high level when the battery voltage is at a level higher than VD 2 (Over-Discharge Release Voltage). Over current level 1 voltage ( VOC1 ) is used to
C out
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Page 1 of 25 V2.0
Advanced Analog Technology, Inc.
AAT8661 Series
monitor the amount of discharge current. If the discharge current is high enough to cause VN pin voltage increase to a value greater than VOC1 , the output of D out pin will switch to a low level after a delay time t OC1 . If the load is removed from battery pack, the output of D out will change to a high level again. The mechanism of short circuit protection is identical to a discharge current. If the short circuit current is high enough to cause VN pin voltage increase to greater than Vshort , the output of D out pin will move to the low level after a delay time t short , and the output of D out level will change to high when the load is removed from battery pack.
BLOCK DIAGRAM:
VDD
D out
C out
GND
VN
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Page 2 of 25 V2.0
Advanced Analog Technology, Inc.
AAT8661 Series
PIN DESCRIPTION
PIN NAME I/O NO.
1 2 3 4 5 6
D out
DESCRIPTION
O Discharge Control Pin which Connects to External MOSFET Gate I Voltage Detection Pin between VN and GND O Charge Control Pin which Connects to External MOSFET Gate. Null Pad. I Power Supply Input Pin I Ground
VN C out NULL VDD GND
ABSOLUTE MAXIMUM RATINGS
CHARACTERISTICS
Supply Voltage VN Pin Input Voltage
D out Pin Output Voltage C out Pin Output Voltage
SYMBOL
VDD VVN VDout VCout Pd TC
VALUE
-0.3 to 8 VDD - 20 to VDD + 0.3 -0.3 to VDD + 0.3 VVN - 0.3 to VDD + 0.3
UNIT
V V V V mW

Power Dissipation Operating Temperature Range Storage Temperature Range
150
-40 to +85 -40 to +125
C
Tstorage
C
RECOMMENDED OPERATING CONDITIONS
TEST CONDITION
Supply Voltage, VDD
D out Output Voltage C out Output Voltage
MIN
1.5 GND VN
MAX
7.0
VDD VDD
UNIT
V V V
Voltage Defined as VDD to GND
OPERATION VOLTAGE AND OPERATION CURRENT
PARAMETER
Supply Current at Normal Operation Mode Standby Current at Power Down Mode Operation Voltage between VDD and VN
TEST CONDITION
VDD =3.3V; VN=0V; GND=0V
MIN
1.5
TYP
3.0 -
MAX
5.0 0.1 20.0
UNIT
A A
V
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Advanced Analog Technology, Inc.
AAT8661 Series
AAT8661A DETECTION VOLTAGE AND DELAY TIME ( 25 C )
PARAMETER
Over Charge Threshold Voltage Over Charge Release Voltage Over Discharge Threshold Voltage Over Discharge Release Voltage Over Charge Delay Time Over Discharge Delay Time Over Current Level 1 Detection Voltage Over Current Level 2 Detection Voltage
SYMBOL
VC1 VC 2 VD1 VD 2 t C1 t D1 VOC1
TEST CONDITION
Detect Rising Edge of Supply Voltage Detect Falling Edge of Supply Voltage Detect Falling Edge of Supply Voltage Detect Rising Edge of Supply Voltage VDD = 3.6V to 4.5V
VDD = 3.6V to 2.4V
MIN
4.300 VC1-0.3 2.420 VD1+0.3 0.700
TYP
4.325 VC1-0.25 2.500 VD1+0.4 1.000 125.0 150
MAX
4.350 VC1-0.2 2.580 VD1+0.5 1.300 162.5 170
UNIT
V V V V s ms mV
VOC 2
Short Circuit Detection Voltage Over Current Level 1 Detection Delay Time Over Current Level 2 Detection Delay Time Short Circuit Detection Delay Time Charger Detection Voltage
C out High Level Resistance
Vshort
87.5 Detect Rising Edge of "VN" Pin Voltage ( D out Response with tOC1 130 Delay Time) Detect Rising Edge of "VN" Pin Voltage ( D out Response 400 with tOC2 Delay Time) VDD = 3.0V , Detect Rising Edge of "VN" Pin Voltage ( D out VDD -1.7 Response with t short Delay Time)
VDD = 3.0V
500
600
mV
VDD -1.3
VDD - 0.9
V
t OC1 t OC 2 t short VCHR R COH R COL R DOH R DOL R VND R VNG
5.6 1.4 1.1
8.0 2.0 2.0 10
10.4 2.6 3.4 50
-0.6
ms ms ms
s
Room Temp. Low or High Temp. VDD = 3.0V
VDD = 3.0V
C out Low Level Resistance
D out High Level Resistance D out Low Level Resistance
Detect Rising Edge of " D out " Pin Voltage (when VD1VDD VD2) VDD = 3.5V ; C out = 3.0V ; VN = 0V VDD = 4.5V ; C out = 0.5V ; VN = 0V
VDD = 3.5V ; D out = 3.0V ; VN = 0V VDD = 1.8V ; D out = 0.5V ; VN = 1.8V VDD = 1.8V ; VN = 0V VDD = 3.5V ; VN = 3.5V
-2.0
-1.3
V
k k k k k k
1 150 2.5 2.5 100 10
2 602 5.0 5.0 300 20
10 2,380 10.0 10.0 900 40
Internal Resistance between VN and VDD Internal Resistance between VN and GND
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Advanced Analog Technology, Inc.
AAT8661 Series
AAT8661B DETECTION VOLTAGE and DELAY TIME (25)
PARAMETER
Over Charge Threshold Voltage Over Charge Release Voltage Over Discharge Threshold Voltage Over Discharge Release Voltage Over Charge Delay Time Over Discharge Delay Time Over Current Level 1 Detection Voltage Over Current Level 2 Detection Voltage
SYMBOL
VC1 VC 2 VD1 VD 2 t C1 t D1 VOC1
TEST CONDITION
Detect Rising Edge of Supply Voltage Detect Falling Edge of Supply Voltage Detect Falling Edge of Supply Voltage Detect Rising Edge of Supply Voltage VDD = 3.6V to 4.5V
VDD = 3.6V to 2.2V
MIN
4.325 VC1-0.25 2.220 VD1+0.6 0.088 22.4 130
TYP
4.350 VC1-0.2 2.300 VD1+0.7 0.125 32 150
MAX
4.375 VC1-0.15 2.380 VD1+0.8 0.163 41.6 170
UNIT
V V V V s ms mV
VOC 2
Short Circuit Detection Voltage Over Current Level 1 Detection Delay Time Over Current Level 2 Detection Delay Time Short Circuit Detection Delay Time Charger Detection Voltage
C out High Level Resistance C out Low Level Resistance D out High Level Resistance D out Low Level Resistance
Vshort
Detect Rising Edge of "VN" Pin Voltage ( D out Response with tOC1 Delay Time) Detect Rising Edge of "VN" Pin Voltage ( D out Response with tOC2 Delay Time) VDD = 3.0V , Detect Rising Edge of "VN" Pin Voltage ( D out Response with t short Delay Time)
VDD = 3.0V
400
500
600
mV
VDD -1.7
VDD -1.3
VDD - 0.9
V
t OC1 t OC 2 t short VCHR R COH R COL R DOH R DOL R VND R VNG
2.8 1.4 1.1
4.0 2.0 2.0 10
5.2 2.6 3.4 50
-0.6
ms ms ms
s
Room Temp. Low or High Temp. VDD = 3.0V
VDD = 3.0V
Detect Rising Edge of " D out " Pin Voltage (when VD1VDDVD2) VDD = 3.5V ; C OUT = 3.0V ; VN = 0V VDD = 4.5V ; C OUT = 0.5V ; VN = 0V
VDD = 3.5V ; D out = 3.0V ; VN = 0V VDD = 1.8V ; D out = 0.5V ; VN = 1.8V VDD = 1.8V ; VN = 0V VDD = 3.5V ; VN = 3.5V
-2.0
-1.3
V
k k k k k k
1 150 2.5 2.5 100 10
2 602 5.0 5.0 300 20
10 2,380 10.0 10.0 900 40
Internal Resistance between VN and VDD Internal Resistance between VN and GND
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Advanced Analog Technology, Inc.
AAT8661 Series
AAT8661C DETECTION VOLTAGE AND DELAY TIME (25)
PARAMETER
Over Charge Threshold Voltage Over Charge Release Voltage Over Discharge Threshold Voltage Over Discharge Release Voltage Over Charge Delay Time Over Discharge Delay Time Over Current Level 1 Detection Voltage Over Current Level 2 Detection Voltage
SYMBOL
VC1 VC 2 VD1 VD 2 t C1 t D1 VOC1
TEST CONDITION
Detect Rising Edge of Supply Voltage Detect Falling Edge of Supply Voltage Detect Falling Edge of Supply Voltage Detect Rising Edge of Supply Voltage VDD = 3.6V to 4.5V
VDD = 3.6V to 2.2V
MIN
4.275
TYP
4.300
MAX
4.325 VC1-0.15 2.380 VD1+0.08 1.300 162.5 120
UNIT
V V V V s ms mV
VC1-0.25 VC1-0.2 2.220 VD1-0.08 0.700 87.5 2.300 VD1 1.000 125.0 100
VOC 2
Short Circuit Detection Voltage Over Current Level 1 Detection Delay Time Over Current Level 2 Detection Delay Time Short Circuit Detection Delay Time Charger Detection Voltage
C out High Level Resistance C out Low Level Resistance D out High Level Resistance D out Low Level Resistance
Vshort
Detect Rising Edge of "VN" Pin Voltage ( D out Response with tOC1 80 Delay Time) Detect Rising Edge of "VN" Pin Voltage ( D out Response 400 with tOC2 Delay Time) VDD = 3.0V , Detect Rising Edge of "VN" Pin Voltage ( D out VDD -1.7 Response with t short Delay Time)
VDD = 3.0V
480
600
mV
VDD - 1.3
VDD - 0.9
V
t OC1 t OC 2 t short VCHR R COH R COL R DOH R DOL R VND R VNG
5.6 1.4 1.1
8.0 2.0 2.0 10
10.4 2.6 3.4 50
-0.6
ms ms ms
Room Temp. Low or High Temp. VDD = 3.0V
VDD = 3.0V
s
V
k k k k k k
Detect Rising Edge of " D out " Pin Voltage (when VD1VDDVD2) VDD = 3.5V ; C out = 3.0V ; VN = 0V
VDD = 4.5V ; C out = 0.5V ; VN = 0V VDD = 3.5V ; D out = 3.0V ; VN = 0V VDD = 1.8V ; D out = 0.5V ; VN = 1.8V VDD = 1.8V ; VN = 0V VDD = 3.5V ; VN = 3.5V
-2.0
-1.3
1 150 2.5 2.5 100 10
2 602 5.0 5.0 300 20
10 2,380 10.0 10.0 900 40
Internal Resistance between VN and VDD Internal Resistance between VN and GND
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Advanced Analog Technology, Inc.
AAT8661 Series
AAT8661D DETECTION VOLTAGE AND DELAY TIME (25)
PARAMETER
Over Charge Threshold Voltage Over Charge Release Voltage Over Discharge Threshold Voltage Over Discharge Release Voltage Over Charge Delay Time Over Discharge Delay Time Over Current Level 1 Detection Voltage Over Current Level 2 Detection Voltage
SYMBOL
VC1 VC 2 VD1 VD 2 t C1 t D1 VOC1
TEST CONDITION
Detect Rising Edge Voltage Detect Falling Edge Voltage Detect Falling Edge Voltage Detect Rising Edge Voltage VDD = 3.6V to 4.5V
VDD = 3.6V to 2.2V
MIN
4.255 VC1-0.25 2.201 VD1-0.08 0.700 87.5 110
TYP
4.280 VC1-0.2 2.281 VD1 1.000 125.0 130
MAX
4.305 VC1-0.15 2.361 VD1+0.08 1.300 162.5 150
UNIT
V V V V s ms mV
of Supply of Supply of Supply of Supply
VOC 2
Short Circuit Detection Voltage Over Current Level 1 Detection Delay Time Over Current Level 2 Detection Delay Time Short Circuit Detection Delay Time Charger Detection Voltage
C out High Level Resistance C out Low Level Resistance D out High Level Resistance D out Low Level Resistance
Vshort
Detect Rising Edge of "VN" Pin Voltage ( D out Response with tOC1 Delay Time) Detect Rising Edge of "VN" Pin Voltage ( D out Response with tOC2 Delay Time) VDD = 3.0V , Detect Rising Edge of "VN" Pin Voltage ( D out Response with t short Delay Time)
VDD = 3.0V
400
490
600
mV
VDD -1.7
VDD -1.3
VDD - 0.9
V
t OC1 t OC 2 t short VCHR R COH R COL R DOH R DOL R VND R VNG
5.6 1.4 1.1
8.0 2.0 2.0 10
10.4 2.6 3.4 50
-0.6
ms ms ms
s
Room Temp. Low or High Temp. VDD = 3.0V
VDD = 3.0V
Detect Rising Edge of " D out " Pin Voltage (when VD1VDDVD2) VDD = 3.5V ; C out = 3.0V ; VN = 0V
VDD = 4.5V ; C out = 0.5V ; VN = 0V VDD = 3.5V ; D out = 3.0V ; VN = 0V VDD = 1.8V ; D out = 0.5V ; VN = 1.8V VDD = 1.8V ; VN=0V VDD = 3.5V ; VN = 3.5V
-2.0
-1.3
V
k k k k k
1 150 2.5 2.5 100 10
2 602 5.0 5.0 300 20
10 2,380 10.0 10.0 900 40
Internal Resistance between VN and VDD Internal Resistance between VN and GND
k
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Page 7 of 25 V2.0
Advanced Analog Technology, Inc.
AAT8661 Series
AAT8661E DETECTION VOLTAGE AND DELAY TIME (25)
PARAMETER
Over Charge Threshold Voltage Over Charge Release Voltage Over Discharge Threshold Voltage Over Discharge Release Voltage Over Charge Delay Time Over Discharge Delay Time Over Current Level 1 Detection Voltage Over Current Level 2 Detection Voltage
SYMBOL
VC1 VC 2 VD1 VD 2 t C1 t D1 VOC1
TEST CONDITION
Detect Rising Edge Voltage Detect Falling Edge Voltage Detect Falling Edge Voltage Detect Rising Edge Voltage VDD = 3.6V to 4.5V
VDD = 3.6V to 2.2V
MIN
4.255 VC1-0.25 2.201 VD1+0.5 0.700 87.5 80
TYP
4.280 VC1-0.2 2.281 VD1+0.6 1.000 125.0 100
MAX
4.305 VC1-0.15 2.361 VD1+0.7 1.300 162.5 120
UNIT
V V V V s ms mV
of Supply of Supply of Supply of Supply
VOC 2
Short Circuit Detection Voltage Over Current Level 1 Detection Delay Time Over Current Level 2 Detection Delay Time Short Circuit Detection Delay Time Charger Detection Voltage
C out High Level Resistance C out Low Level Resistance D out High Level Resistance D out Low Level Resistance
Vshort
Detect Rising Edge of "VN" Pin Voltage ( D out Response with tOC1 Delay Time) Detect Rising Edge of "VN" Pin Voltage ( D out Response with tOC2 Delay Time) VDD = 3.0V , Detect Rising Edge of "VN" Pin Voltage ( D out Response with t short Delay Time)
VDD = 3.0V
400
480
600
mV
VDD -1.7
VDD -1.3
VDD - 0.9
V
t OC1 t OC 2
5.6 1.4 1.1
8.0 2.0 2.0 10
10.4 2.6 3.4 50
-0.6
ms ms ms
s
Room Temp. Low or High Temp. VDD = 3.0V
VDD = 3.0V
t short
VCHR R COH R COL R DOH R DOL R VND R VNG
Detect Rising Edge of " D out " Pin Voltage (when VD1VDDVD2) VDD = 3.5V ; C out = 3.0V ; VN = 0V
VDD = 4.5V ; C out = 0.5V ; VN = 0V VDD = 3.5V ; D out = 3.0V ; VN = 0V VDD = 1.8V ; D out = 0.5V ; VN = 1.8V VDD = 1.8V ; VN = 0V VDD = 3.5V ; VN = 3.5V
-2.0
-1.3
V
k k k k k k
1 150 2.5 2.5 100 10
2 602 5.0 5.0 300 20
10 2,380 10.0 10.0 900 40
Internal Resistance between VN and VDD Internal Resistance between VN and GND
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Page 8 of 25 V2.0
Advanced Analog Technology, Inc.
AAT8661 Series
AAT8661F DETECTION VOLTAGE AND DELAY TIME (25)
PARAMETER
Over Charge Threshold Voltage Over Charge Release Voltage Over Discharge Threshold Voltage Over Discharge Release Voltage Over Charge Delay Time Over Discharge Delay Time Over Current Level 1 Detection Voltage Over Current Level 2 Detection Voltage
SYMBOL
VC1 VC 2 VD1 VD 2 t C1 t D1 VOC1
TEST CONDITION
Detect Rising Edge of Supply Voltage Detect Falling Edge of Supply Voltage Detect Falling Edge of Supply Voltage Detect Rising Edge of Supply Voltage VDD = 3.6V to 4.5V
VDD = 3.6V to 2.4V
MIN
4.300 VC1-0.3 2.420 VD1+0.3 0.700 87.5 80
TYP
4.325
MAX
4.350
UNIT
V V V V s ms mV
VC1-0.25 VC1-0.2 2.500 2.580
VD1+0.4 VD1+0.5 1.000 125.0 100 1.300 162.5 120
VOC 2
Short Circuit Detection Voltage Over Current Level 1 Detection Delay Time Over Current Level 2 Detection Delay Time Short Circuit Detection Delay Time Charger Detection Voltage
C out High Level Resistance C out Low Level Resistance D out High Level Resistance D out Low Level Resistance
Vshort
Detect Rising Edge of "VN" Pin Voltage ( D out Response with tOC1 Delay Time) Detect Rising Edge of "VN" Pin Voltage ( D out Response with tOC2 Delay Time) VDD = 3.0V , Detect Rising Edge of "VN" Pin Voltage ( D out Response with t short Delay Time)
VDD = 3.0V
400
480
600
mV
VDD -1.7
VDD -1.3
VDD - 0.9
V
t OC1 t OC 2 t short VCHR R COH R COL R DOH R DOL R VND R VNG
5.6 1.4 1.1
8.0 2.0 2.0 10
10.4 2.6 3.4 50
-0.6
ms ms ms
s
Room Temp. Low or High Temp. VDD = 3.0V
VDD = 3.0V
Detect Rising Edge of " D out " Pin Voltage (When VD1VDDVD2) VDD = 3.5V ; C out = 3.0V ; VN = 0V
VDD = 4.5V ; C out = 0.5V ; VN = 0V VDD = 3.5V ; D out = 3.0V ;VN=0V VDD = 1.8V ; D out = 0.5V ;VN=1.8V VDD = 1.8V ; VN = 0V VDD = 3.5V ; VN=3.5V
-2.0
-1.3
V
k k k k k
1 150 2.5 2.5 100 10
2 602 5.0 5.0 300 20
10 2,380 10.0 10.0 900 40
Internal Resistance between VN and VDD Internal Resistance between VN and GND
k
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Page 9 of 25 V2.0
Advanced Analog Technology, Inc.
AAT8661 Series
AAT8661G DETECTION VOLTAGE AND DELAY TIME (25)
PARAMETER
Over Charge Threshold Voltage Over Charge Release Voltage Over Discharge Threshold Voltage Over Discharge Release Voltage Over Charge Delay Time Over Discharge Delay Time Over Current Level 1 Detection Voltage Over Current Level 2 Detection Voltage
SYMBOL
VC1 VC 2 VD1 VD 2 t C1 t D1 VOC1
TEST CONDITION
Detect Rising Edge of Supply Voltage Detect Falling Edge of Supply Voltage Detect Falling Edge of Supply Voltage Detect Rising Edge of Supply Voltage VDD = 3.6V to 4.5V
VDD = 3.6V to 2.2V
MIN
4.325
TYP
4.350
MAX
4.375
UNIT
V V V V s ms mV
VC1-0.25 VC1-0.20 VC1-0.15 2.220 VD1+0.6 0.088 22.4 180 2.300 2.380
VD1+0.7 VD1+0.8 0.125 32.0 200 0.163 41.6 220
VOC 2
Short Circuit Detection Voltage Over Current Level 1 Detection Delay Time Over Current Level 2 Detection Delay Time Short Circuit Detection Delay Time Charger Detection Voltage
C out High Resistance Level C out Low Resistance Level D out High Resistance Level D out Low Resistance Level
Vshort
Detect Rising Edge of "VN" Pin Voltage ( D out Response with tOC1 Delay Time) Detect Rising Edge of "VN" Pin Voltage ( D out Response with tOC2 Delay Time) VDD = 3.0V , Detect Rising Edge of "VN" Pin Voltage ( D out Response with t short Delay Time)
VDD = 3.0V
400
510
600
mV
VDD -1.7
VDD -1.3
VDD - 0.9
V
t OC1 t OC 2 t short VCHR R COH R COL R DOH R DOL R VND R VNG
2.8 1.4 1.1
4.0 2.0 2.0 10
5.2 2.6 3.4 50
-0.6
ms ms ms
s
Room Temp. Low or High Temp. VDD = 3.0V
VDD = 3.0V
Detect Rising Edge of " D out " Pin Voltage(when VD1 VDD VD2) VDD = 3.5V ; C out = 3.0V ;VN=0V
VDD = 4.5V ; C out = 0.5V ;VN=0V VDD = 3.5V ; D out = 3.0V ;VN=0V VDD = 1.8V ; D out = 0.5V ;VN=1.8V VDD = 1.8V ; VN=0V VDD = 3.5V ; VN=3.5V
-2.0
-1.3
V
k k k k k k
1 150 2.5 2.5 100 10
2 602 5.0 5.0 300 20
10 2,380 10.0 10.0 900 40
Internal Resistance between VN and VDD Internal Resistance between VN and GND
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Page 10 of 25 V2.0
Advanced Analog Technology, Inc.
AAT8661 Series
AAT8661H DETECTION VOLTAGE AND DELAY TIME (25)
PARAMETER
Over Charge Threshold Voltage Over Charge Release Voltage Over Discharge Threshold Voltage Over Discharge Release Voltage Over Charge Delay Time Over Discharge Delay Time Over Current Level 1 Detection Voltage Over Current Level 2 Detection Voltage
SYMBOL
VC1 VC 2 VD1 VD 2 t C1 t D1 VOC1
TEST CONDITION
Detect Rising Edge of Supply Voltage Detect Falling Edge of Supply Voltage Detect Falling Edge of Supply Voltage Detect rising Edge of Supply Voltage VDD = 3.6V to 4.5V
VDD = 3.6V to 2.2V
MIN
4.275
TYP
4.300
MAX
4.325
UNIT
V V V V s ms mV
VC1-0.25 VC1-0.20 VC1-0.15 2.220 VD1-0.08 0.700 87.5 2.300 VD1 1.000 125.0 150 2.380 VD1+0.08 1.300 162.5 170
VOC 2
Short Circuit Detection Voltage Over Current Level 1 Detection Delay Time Over Current Level 2 Detection Delay Time Short Circuit Detection Delay Time Charger Detection Voltage
C out High Resistance Level C out Low Resistance Level D out High Resistance Level D out Low Resistance Level
Vshort
t OC1 t OC 2 t short VCHR R COH R COL R DOH R DOL R VND R VNG
Detect Rising Edge of "VN" Pin Voltage ( D out Response with tOC1 130 Delay Time) Detect Rising Edge of "VN" Pin Voltage ( D out Response 400 with tOC2 Delay Time) VDD = 3.0V , Detect Rising Edge of "VN" Pin Voltage ( D out VDD -1.7 Response with t short Delay Time) VDD = 3.0V 5.6 Room Temp. Low or High Temp. VDD = 3.0V
VDD = 3.0V
500
600
mV
VDD -1.3
VDD - 0.9
V
8.0 2.0 2.0 10
10.4 2.6 3.4 50
-0.6
ms ms ms
s
1.4 1.1
Detect Rising Edge of " D out " Pin Voltage (when VD1VDDVD2) VDD = 3.5V ; C out = 3.0V ;VN=0V
VDD = 4.5V ; C out = 0.5V ;VN=0V VDD = 3.5V ; D out = 3.0V ;VN=0V VDD = 1.8V ; D out = 0.5V ;VN=1.8V VDD = 1.8V ; VN=0V VDD = 3.5V ; VN=3.5V
-2.0
-1.3
V
k k k k k k
1 150 2.5 2.5 100 10
2 602 5.0 5.0 300 20
10 2,380 10.0 10.0 900 40
Internal Resistance between VN and VDD Internal Resistance between VN and GND
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Page 11 of 25 V2.0
Advanced Analog Technology, Inc.
AAT8661 Series
AAT8661I DETECTION VOLTAGE AND DELAY TIME (25)
PARAMETER
Over Charge Threshold Voltage Over Charge Release Voltage Over Discharge Threshold Voltage Over Discharge Release Voltage Over Charge Delay Time Over Discharge Delay Time Over Current Level 1 Detection Voltage Over Current Level 2 Detection Voltage
SYMBOL
VC1 VC 2 VD1 VD 2 t C1 t D1 VOC1
TEST CONDITION
Detect Rising Edge of Supply Voltage Detect Falling Edge of Supply Voltage Detect Falling Edge of Supply Voltage Detect Rising Edge of Supply Voltage VDD = 3.6V to 4.5V
VDD = 3.6V to 2.2V
MIN
4.275
TYP
4.300
MAX UNIT
4.325 V V V V s ms mV
VC1-0.25 VC1-0.20 VC1-0.15 2.220 VD1-0.08 0.700 87.5 2.300 VD1 1.000 125.0 130 2.380 VD1+0.08 1.300 162.5 150
VOC 2
Short Circuit Detection Voltage Over Current Level 1 Detection Delay Time Over Current Level 2 Detection Delay Time Short Circuit Detection Delay Time Charger Detection Voltage
C out High Resistance Level C out Low Resistance Level D out High Resistance Level D out Low Resistance Level
Vshort
t OC1 t OC 2 t short VCHR R COH R COL R DOH R DOL R VND R VNG
Detect Rising Edge of "VN" Pin Voltage ( D out Response with tOC1 110 Delay Time) Detect Rising Edge of "VN" Pin Voltage ( D out Response 400 with tOC2 Delay Time) VDD = 3.0V , Detect Rising Edge of "VN" Pin Voltage ( D out VDD -1.7 Response with t short Delay Time) VDD = 3.0V 5.6 Room Temp. Low or High Temp. VDD = 3.0V
VDD = 3.0V
490
600
mV
VDD -1.3
VDD - 0.9
V
8.0 2.0 2.0 10
10.4 2.6 3.4 50
-0.6
ms ms ms
s
1.4 1.1
Detect Rising Edge of " D out " Pin Voltage (when VD1VDDVD2) VDD = 3.5V ; C out = 3.0V ;VN=0V
VDD = 4.5V ; C out = 0.5V ;VN=0V VDD = 3.5V ; D out = 3.0V ;VN=0V VDD = 1.8V ; D out = 0.5V ;VN=1.8V VDD = 1.8V ; VN=0V VDD = 3.5V ; VN=3.5V
-2.0
-1.3
V
k k k k k
1 150 2.5 2.5 100 10
2 602 5.0 5.0 300 20
10 2,380 10.0 10.0 900 40
Internal Resistance between VN and VDD Internal Resistance between VN and GND
k
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Page 12 of 25 V2.0
Advanced Analog Technology, Inc.
AAT8661 Series
AAT8661J DETECTION VOLTAGE AND DELAY TIME (25)
PARAMETER
Over Charge Threshold Voltage Over Charge Release Voltage Over Discharge Threshold Voltage Over Discharge Release Voltage Over Charge Delay Time Over Discharge Delay Time Over Current Level 1 Detection Voltage Over Current Level 2 Detection Voltage
SYMBOL
VC1 VC 2 VD1 VD 2 t C1 t D1 VOC1
TEST CONDITION
Detect Rising Edge of Supply Voltage Detect Falling Edge of Supply Voltage Detect Falling Edge of Supply Voltage Detect Rising Edge of Supply Voltage VDD = 3.6V to 4.5V
VDD = 3.6V to 2.2V
MIN
4.255 VC1-0.25 2.201 VD1-0.08 0.700 87.5 180
TYP
4.280
MAX UNIT
4.305 V V V V s ms mV
VC1-0.20 VC1-0.15 2.281 VD1 1.000 125.0 200 2.361 VD1+0.08 1.300 162.5 220
VOC 2
Short Circuit Detection Voltage Over Current Level 1 Detection Delay Time Over Current Level 2 Detection Delay Time Short Circuit Detection Delay Time Charger Detection Voltage
C out High Level Resistance C out Low Level Resistance D out High Level Resistance D out Low Level Resistance
Vshort
t OC1 t OC 2 t short VCHR R COH R COL R DOH R DOL R VND R VNG
Detect Rising Edge of "VN" Pin Voltage ( D out Response with tOC1 Delay Time) Detect Rising Edge of "VN" Pin Voltage ( D out Response with tOC2 Delay Time) VDD = 3.0V , Detect Rising Edge of "VN" Pin Voltage ( D out Response with t short Delay Time) VDD = 3.0V Room Temp. Low or High Temp. VDD = 3.0V
VDD = 3.0V
400
510
600
mV
VDD -1.7
VDD -1.3
VDD - 0.9
V
5.6 1.4 1.1
8.0 2.0 2.0 10
10.4 2.6 3.4 50
-0.6
ms ms ms
s
Detect Rising Edge of " D out " Pin Voltage (when VD1VDD VD2) VDD = 3.5V ; C out = 3.0V ;VN=0V
VDD = 4.5V ; C out = 0.5V ;VN=0V VDD = 3.5V ; D out = 3.0V ;VN=0V VDD = 1.8V ; D out = 0.5V ;VN=1.8V VDD = 1.8V ; VN=0V VDD = 3.5V ; VN=3.5V
-2.0
-1.3
V
k k k k k k
1 150 2.5 2.5 100 10
2 602 5.0 5.0 300 20
10 2,380 10.0 10.0 900 40
Internal Resistance between VN and VDD Internal Resistance between VN and GND
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Page 13 of 25 V2.0
Advanced Analog Technology, Inc.
AAT8661 Series
AAT8661K DETECTION VOLTAGE AND DELAY TIME (25)
PARAMETER
Over Charge Threshold Voltage Over Charge Release Voltage Over Discharge Threshold Voltage Over Discharge Release Voltage Over Charge Delay Time Over Discharge Delay Time Over Current Level 1 Detection Voltage Over Current Level 2 Detection Voltage
SYMBOL
VC1 VC 2 VD1 VD 2 t C1 t D1 VOC1
TEST CONDITION
Detect Rising Edge of Supply Voltage Detect Falling Edge of Supply Voltage Detect Falling Edge of Supply Voltage Detect Rising Edge of Supply Voltage VDD = 3.6V to 4.5V
MIN
4.225 VC1-0.25 2.201 VD1+0.5 0.700 87.5 80
TYP
4.250 VC1-0.20 2.281 VD1+0.6 1.000 125.0 100
MAX
4.275 VC1-0.15 2.361 VD1+0.7 1.300 162.5 120
UNIT
V V V V s ms mV
VDD = 2 .8 V to 2.2V
Detect Rising Edge of "VN" Pin Voltage ( D out Response with tOC1 Delay Time) Detect Rising Edge of "VN" Pin Voltage ( D out Response with tOC2 Delay Time) VDD = 3.0V , Detect Rising Edge of "VN" Pin Voltage ( D out Response with t short Delay Time)
VDD = 3.0V
VOC 2
400
480
600
mV
Short Circuit Detection Voltage Over Current Level 1 Detection Delay Time Over Current Level 2 Detection Delay Time Short Circuit Detection Delay Time Charger Detection Voltage
C out High Level Resistance C out Low Level Resistance D out High Level Resistance D out Low Level Resistance
Vshort
VDD -1.7
VDD -1.3
VDD - 0.9
V
t OC1 t OC 2 t short VCHR R COH R COL R DOH R DOL R VND R VNG
5.6 1.4 1.1
8.0 2.0 2.0 10
10.4 2.6 3.4 50
-0.6
ms ms ms
s
Room Temp. Low or High Temp. VDD = 3.0V
VDD = 3.0V
Detect Rising Edge of " D out " Pin Voltage (when VD1VDD VD2) VDD =3.5V; C out =3.0V;VN=0V
VDD =4.5V; C out =0.5V;VN=0V VDD =3.5V; D out =3.0V;VN=0V VDD =1.8V; D out =0.5V;VN=1.8V VDD =1.8V; VN=0V VDD =3.5V; VN=3.5V
-2.0
-1.3
V
k k k k k k
1 150 2.5 2.5 100 10
2 602 5.0 5.0 300 20
10 2,380 10.0 10.0 900 40
Internal Resistance between VN and VDD Internal Resistance between VN and GND
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Page 14 of 25 V2.0
Advanced Analog Technology, Inc.
AAT8661 Series
SUMMARY OF AAT8661 DETECTION VOLTAGE AND DELAY TIME ( 25C )
PARAMETER SYMBOL
VC1
DEVICE
AAT8661A AAT8661B AAT8661C AAT8661D AAT8661E
MIN
4.300 4.325 4.275 4.255 4.255 4.300 4.325 4.275 4.275 4.255 4.225
VC1 - 0.30 VC1 - 0.25 VC1 - 0.25 VC1 - 0.25 VC1 - 0.25 VC1 - 0.30 VC1 - 0.25 VC1 - 0.25 VC1 - 0.25 VC1 - 0.25 VC1 - 0.25
TYP
4.325 4.350 4.300 4.280 4.280 4.325 4.350 4.30 4.30 4.280 4.250
VC1 - 0.25 VC1 - 0.20 VC1 - 0.20 VC1 - 0.20 VC1 - 0.20
MAX
4.350 4.375 4.325 4.305 4.305 4.350 4.375 4.325 4.325 4.305 4.275
VC1 - 0.20 VC1 - 0.15 VC1 - 0.15 VC1 - 0.15 VC1 - 0.15 VC1 - 0.20 VC1 - 0.15 VC1 - 0.15 VC1 - 0.15 VC1 - 0.15 VC1 - 0.15
UNIT
V V V V V V V V V V V V V V V V V V V V V V V V V V V V V V V V V
Over Charge Threshold Voltage
AAT8661F AAT8661G AAT8661H AAT8661I AAT8661J AAT8661K
VC 2
AAT8661A AAT8661B AAT8661C AAT8661D AAT8661E
Over Charge Release Voltage
AAT8661F AAT8661G AAT8661H AAT8661I AAT8661J AAT8661K
VD1
VC1-0.25
VC1 - 0.20 VC1 - 0.20 VC1 - 0.20 VC1 - 0.20 VC1 - 0.20
AAT8661A AAT8661B AAT8661C AAT8661D AAT8661E
2.420 2.220 2.220 2.201 2.201 2.420 2.220 2.220 2.220 2.201 2.201
2.500 2.300 2.300 2.281 2.281 2.500 2.300 2.300 2.300 2.281 2.281
2.580 2.380 2.380 2.361 2.361 2.580 2.380 2.380 2.380 2.361 2.361
Over Discharge Threshold Voltage
AAT8661F AAT8661G AAT8661H AAT8661I AAT8661J AAT8661K
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Page 15 of 25 V2.0
Advanced Analog Technology, Inc.
AAT8661 Series
SUMMARY OF AAT8661 DETECTION VOLTAGE AND DELAY TIME (25)
PARAMETER SYMBOL
VD 2
DEVICE
AAT8661A AAT8661B AAT8661C AAT8661D AAT8661E
MIN
VD1+0.3 VD1+0.6
VD1 - 0.08 VD1 - 0.08
TYP
VD1+0.4 VD1+0.7 VD1 VD1 VD1+0.6 VD1+0.4 VD1+0.7 VD1 VD1 VD1 VD1+0.6 1.000 0.125 1.000 1.000 1.000 1.000 0.125 1.000 1.000 1.000 1.000 125.0 32.0 125.0 125.0 125.0 125.0 32.0 125.0 125.0 125.0 125.0
MAX
VD1+0.5 VD1+0.8 VD1+0.08 VD1+0.08 VD1+0.7 VD1+0.5 VD1+0.8 VD1+0.08 VD1+0.08 VD1+0.08 VD1+0.7 1.300 0.163 1.300 1.300 1.300 1.300 0.163 1.300 1.300 1.300 1.300 162.5 41.6 162.5 162.5 162.5 162.5 41.6 162.5 162.5 162.5 162.5
UNIT
V V V V V V V V V V V s s s s s s s s s s s ms ms ms ms ms ms ms ms ms ms ms
VD1+0.5 VD1+0.3 VD1+0.6
VD1 - 0.08 VD1 - 0.08 VD1 - 0.08
Over Discharge Release Voltage
AAT8661F AAT8661G AAT8661H AAT8661I AAT8661J AAT8661K
t C1
VD1+0.5 0.700 0.088 0.700 0.700 0.700 0.700 0.088 0.700 0.700 0.700 0.700 87.5 22.4 87.5 87.5 87.5 87.5 22.4 87.5 87.5 87.5 87.5
AAT8661A AAT8661B AAT8661C AAT8661D AAT8661E
Over Charge Delay Time
AAT8661F AAT8661G AAT8661H AAT8661I AAT8661J AAT8661K
t D1
AAT8661A AAT8661B AAT8661C AAT8661D AAT8661E
Over Discharge Delay Time
AAT8661F AAT8661G AAT8661H AAT8661I AAT8661J AAT8661K
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Page 16 of 25 V2.0
Advanced Analog Technology, Inc.
AAT8661 Series
SUMMARY OF AAT8661 DETECTION VOLTAGE AND DELAY TIME (25)
PARAMETER SYMBOL DEVICE
VOC1
MIN
130 130 80 110 80 80 180 130 110 180 80 400 400 400 400 400 400 400 400 400 400 400 5.6 2.8 5.6 5.6 5.6 5.6 2.8 5.6 5.6 5.6 5.6
TYP
150 150 100 130 100 100 200 150 130 200 100 500 500 480 490 480 480 510 500 490 510 480 8.0 4.0 8.0 8.0 8.0 8.0 4.0 8.0 8.0 8.0 8.0
MAX
170 170 120 150 120 120 220 170 150 220 120 600 600 600 600 600 600 600 600 600 600 600 10.4 5.2 10.4 10.4 10.4 10.4 5.2 10.4 10.4 10.4 10.4
UNIT
mV mV mV mV mV mV mV mV mV mV mV mV mV mV mV mV mV mV mV mV mV mV ms ms ms ms ms ms ms ms ms ms ms
AAT8661A AAT8661B AAT8661C AAT8661D AAT8661E
Over Current Level 1 Detection Voltage
AAT8661F AAT8661G AAT8661H AAT8661I AAT8661J AAT8661K
VOC 2
AAT8661A AAT8661B AAT8661C AAT8661D AAT8661E
Over Current Level 2 Detection Voltage
AAT8661F AAT8661G AAT8661H AAT8661I AAT8661J AAT8661K
t OC1
AAT8661A AAT8661B AAT8661C AAT8661D AAT8661E
Over Current Level 1 Detection Delay Time
AAT8661F AAT8661G AAT8661H AAT8661I AAT8661J AAT8661K
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Page 17 of 25 V2.0
Advanced Analog Technology, Inc.
AAT8661 Series
TIMING CHART AAT8661 (CHARGE AND DISCHARGE)
V
VC1 VC2
DD
VD2
VD1
t
D1
V
DD
t
D1
D
out
GND
V DD
t
C1
t
C1
C out
VN
V
DD
GND
VCHR
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Page 18 of 25 V2.0
Advanced Analog Technology, Inc.
AAT8661 Series
TIMING CHART AAT8661 (UNUSUAL CHARGE CURRENT, OVER CURRENT, SHORT CIRCUIT)
V DD
V DD
D
out
t OC1
t OC 2
t OC 2
t short
t OC1
V DD
V
DD
t C1
C out
V
DD
Time
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Page 19 of 25 V2.0
Advanced Analog Technology, Inc.
AAT8661 Series
TYPICAL APPLICATION
+
R1 100
C1 0.1F
Li Battery
VDD
VN GND
DOUT
COUT
1k
R2
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Page 20 of 25 V2.0
Advanced Analog Technology, Inc.
AAT8661 Series
PACKAGE DIMENSION
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Page 21 of 25 V2.0
Advanced Analog Technology, Inc.
AAT8661 Series
PACKAGE DIMENSION (CONT.)
VARIATION (ALL DIMENSIONS SHOWN IN MILLIMETERS) SYMBOL MIN TYP ----------MAX
A A1 A2 b c D E E1 e e1 L L1 L2 R R1
1
NOTE:
-----------
1.45 0.15 1.30 0.50 0.22
0.90 0.30 0.08
1.15
-----------
2.90 BSC 2.80 BSC 1.60 BSC 0.95 BSC 1.90 BSC 0.30 0.45 0.60 REF 0.25 BSC 0.10 0.10
0
0.60
-----------
------
0.25
8 15
5
4 10
1 JEDEC OUTLINE: MO-178 AB
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Page 22 of 25 V2.0
Advanced Analog Technology, Inc.
AAT8661 Series
TAPE AND REEL
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Page 23 of 25 V2.0
Advanced Analog Technology, Inc.
AAT8661 Series
TAPE AND REEL (CONT.)
X.XXX X X.XXX X.XX X.X X
0.0025 0.006
0.025 0.10 0.25
UNIT: MILLIMETERS
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Page 24 of 25 V2.0
Advanced Analog Technology, Inc.
AAT8661 Series
PART MARKING
PREVIOUS SOT26 TOP MARKING
AXXX
NOTE: SOT26 HAS NO BACK MARKING.
CURRENT SOT26 TOP MARKING
AXX
ORDERING INFORMATION
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Page 25 of 25 V2.0

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