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Ordering number : ENN6470
Monolithic Digital IC
LB11880
Three-Phase Sensorless Motor Driver with Loading Motor Driver
Overview
The LB11880 is a sensorless motor driver that also includes a loading motor driver. It is ideal for drum motor drive in VCR products.
Package Dimensions
unit: mm 3196A-DIP30SD
[LB11880]
27.0
Functions and Features
* * * * * * * Soft switching drive No Hall sensors required No FG sensors required Built-in PG amplifier Built-in thermal shutdown circuit Current limiter circuit On-chip loading motor driver
30
16
0.95 3.0 3.95mas (3.25)
0.51min
0.48
(1.04)
1.78
SANYO: DIP30SD
Specifications
Absolute Maximum Ratings at Ta = 25C
Parameter Maximum supply voltage 1 Maximum supply voltage 2 Maximum supply voltage 3 Output voltage Input voltage Cylinder current Loading current Allowable power dissipation Operating temperature Storage temperature Symbol VCC max VCCL max VREG max Vomax VI1max Iomax Iomax (AVE) Iomax (peak) Pdmax Topr Tstg When mounted on the specified printed circuit board* Conditions Ratings 14.5 14.5 7.0 14.5 -0.3 to VREG + 0.3 1.0 0.4 1.2 2.8 -20 to +75 -55 to +150 Unit V V V V V A A A W C C
Note: * Specified printed circuit board: 114.3 x 76.1 x 1.6 mm glass-epoxy board
Any and all SANYO products described or contained herein do not have specifications that can handle applications that require extremely high levels of reliability, such as life-support systems, aircraft's control systems, or other applications whose failure can be reasonably expected to result in serious physical and/or material damage. Consult with your SANYO representative nearest you before using any SANYO products described or contained herein in such applications. SANYO assumes no responsibility for equipment failures that result from using products at values that exceed, even momentarily, rated values (such as maximum ratings, operating condition ranges, or other parameters) listed in products specifications of any and all SANYO products described or contained herein.
SANYO Electric Co.,Ltd. Semiconductor Company
TOKYO OFFICE Tokyo Bldg., 1-10, 1 Chome, Ueno, Taito-ku, TOKYO, 110-8534 JAPAN
52600RM (OT) No. 6470-1/9
0.25
1
15
10.16
8.6
LB11880 Allowable Operating Ranges at Ta = 25C
Parameter Supply voltage 1 Supply voltage 2 Supply voltage 3 Symbol VCC VCCL VREG Conditions Ratings 8 to 13.8 8 to 13.8 4 to 6 Unit V V V
Electrical Characteristics at Ta = 25C, VCC = VCCL = 12 V, VREG = 5 V
Parameter Supply current 1 Supply current 2 Supply current 3 Output saturation voltage 1 Output saturation voltage 2 MC pin common-mode input voltage range VC pin input bias current Control start voltage Closed-loop control gain PCOUT output current 1 PCOUT output current 2 VCOIN input current Minimum VCO frequency Maximum VCO frequency C1/C2 source current ratio C1/C2 sink current ratio C1 source/sink current ratio C2 source/sink current ratio Thermal shutdown operating temperature Thermal shutdown hysteresis Symbol ICC ICCL IREG VOsat1 VOsat2 VIC IVC VTHVC GMVC IPCOU IPCOD IVCOIN fVCOMIN VC = 0 V VRF = 10 mA RF = 0.5 Source side Sink side VCOIN = 5 V CX = 0.022 F, VCOIN = open -12 -12 -35 -35 150 180 15 Conditions VC = 0 V, XIN = YIN = 0 V VC = 0 V, XIN = YIN = 0 V VC = 0 V, XIN = YIN = 0 V IO = 0.4 A, source + sink IO = 0.8 A, source + sink 0 -2 2.4 0.75 -1 2.5 0.95 -90 90 0.1 400 18.5 +12 +12 +15 +15 210 0.2 2.6 1.15 10 1.4 1.8 Ratings min typ 3.5 max 5.0 1 15 2.0 2.6 VCC - 2 Unit mA mA mA V V V A V A/V A A A Hz kHz % % % % C C
fVCOMAX CX = 0.022 F, VCOIN = 5 V RSOURCE IC1SOURCE/IC2SOURCE RSINK RC1 RC2 T-TSD TTSD IC1SINK/IC2SINK IC1SOURCE/IC1SINK IC2SOURCE/IC2SINK * *
Note: * These values are design guarantee values, and are not tested.
FG/PG Amplifier Block at Ta = 25C, VCC = VCCL = 12 V, VREG = 5 V
Parameter [Back EMF FG] Output on voltage Output off voltage [PG Amplifier] Input offset voltage Input bias current Common-mode input voltage range Open-loop gain Output on voltage Output off voltage Schmitt amplifier hysteresis VIO IBIN- VICOM GVPG VOL VOH VShys 4.5 70 93 115 * f = 1 kHz -8 -250 1 55 0.4 3.5 +8 mV nA V dB V V mV VOL VOH 4.5 0.4 V V Symbol Conditions Ratings min typ max Unit
Note: * These values are design guarantee values, and are not tested.
No. 6470-2/9
LB11880
Loading Block at Ta = 25C, VCC = VCCL = 12 V, VREG = 5 V
Parameter 1 (high) 2 (low) Symbol VIN1 VIN2 IIN VT Vsat U-1 Vsat L-1 Saturation voltage Vsat U-1' Vsat L-1' VsatU-1'' Upper side residual voltage VsatL-1'' Output transistor leakage current Upper Lower Uper Lower Iref ILU ILL VFU VFL IF = 0.4 A IF = 0.4 A -5 1.3 1.0 -2 Vref = VS, between the output and VS IO = 0.2 A, CW/CCW mode Vref = VS, between the output and ground IO = 0.2 A, CW/CCW mode Vref = VS, between the output and VS IO = 0.4 A, CW/CCW mode Vref = VS, between the output and ground IO = 0.4 A, CW/CCW mode Vref = 8 V, between the output and ground IO = 0.2 A, CW/CCW mode Vref = 8 V, between the output and ground IO = 0.4 A, CW/CCW mode 7.2 7.2 Sink VIN = 3.5 V Conditions Ratings min 3.5 0 30 0.7 1.5 0.2 1.6 0.3 8.0 8.0 2.1 0.3 2.2 0.5 8.8 8.8 50 50 typ max 5 0.8 50 Unit V V A V V V V V V V A A V V A
Input voltage Input current Input hysteresis
Diode forward voltage Control supply current
No. 6470-3/9
LB11880 Loading Motor Truth Table
Input XIN L H L H YIN L L H H XOUT Off H L L Output YOUT Off L H L Mode Standby Forward Reverse Brake
Allowable power dissipation, Pdmax -- W
Pd max -- Ta
4
3
When mounted on the specified printed circuit board (114.3 x 76.1 x 1.6 mm3 glass-epoxy board)
2.80
2 1.68
1
0 -20
0
20
40
60
80
100
Ambient temperature, Ta -- C
Pin Assignment
FC 1 VC 2 VREG 3 PGIN+ 4 PGIN- 5 PGOUT1 6 PGOUT2 7 BFGO 8 LVCC
9
30 29 28 27 26 25 24
GND PCOUT VCOIN CX C2 C1 WIN VIN UIN VCC RF MCOM WOUT VOUT UOUT
LB11880
23 22 21 20 19 18 17 16
VREF 10 XIN 11 YIN 12 XOUT 13 LGND 14 YOUT 15
Top view
No. 6470-4/9
VREG VCC
BFGO MCOM Rotor position detection circuit UIN VIN WIN
Thermal shutdown circuit
Mask circuit
Soft switching drive circuit
Startup control circuit
Timing control circuit
2200 pF
C1
C2
Output drive circuit
2200 pF
UOUT VOUT WOUT 0.022 F x 3
PLL
VCO
Divide-by8 circuit
LB11880
560 k PCOUT
0.47 F 1 k
VCOIN RF
Upper side saturation prevention circuit
CX 0.5 GND LVCC
0.022 F
VC
200
0.1 F VREG 5 k
Block Diagram (Note that the values of the external components depend on the motor used.)
FC
200 PGOUT1 PGOUT2 XIN
200 YIN VREF XOUT YOUT
PGIN+
PGIN-
Output drive circuit
LGND
No. 6470-5/9
LB11880 Pin Description
Pin No. Pin Pin voltage Function Equivalent circuit
VREG
Frequency characteristics compensation 1 FC Oscillation in the current control system closed loop can be prevented by connecting a capacitor between this pin and ground.
1 k
1
10 k
5 k
VREG V CC 50 A 50 A 27 k
Speed control 2 VC 0 V to VREG This circuit implements constant-current control in which current feedback is applied from the RF system.
2
40 k 200 24 k
Control system power supply 3 VREG 4 V to 6 V This power supply must be stabilized so that ripple and noise do not enter the IC.
VREG
4 PGIN+ PG amplifier plus side input This pin is biased to 1/2 VREG internally.
6 A
6 A
6 A 10 k
200
5 PGIN- PG amplifier minus side input
200 10 k
5
4
VREG 60 A 6 38
PG amplifier linear output
30 A
6
PGOUT1
38
5 k 4
5 k
Continued on next page.
No. 6470-6/9
LB11880
Continued from preceding page.
Pin No. Pin Pin voltage Function Equivalent circuit
V CC
7 PGOUT2 PG Schmitt amplifier output
VREG+VF VREG 100 A 5 k
7
8 BFGO Motor back EMF voltage detection FG output (synthesized from three phases)
8
9
LVCC
8 to 13.8 V
Loading motor driver output transistor power supply
VCCL
13 15
10 VREF 0 to VCCL Loading motor driver output voltage setting
1 mA
1 mA 30 k
30 k 50 k
10
V REG
11 XIN
100 k
11
0 V to VREG Loading motor driver logic input
12
50 k 50 k
12
YIN
9
13 XOUT
13
Loading motor driver output
15
2 k
15 YOUT
2 k 14
14 LGND Loading motor driver output transistor ground
10
Continued on next page.
No. 6470-7/9
LB11880
Continued from preceding page.
Pin No. 16 17 18 Pin UOUT VOUT WOUT Lowest potential of the drum motor driver output transistor 20 RF This IC implements constant-current control by detecting this voltage. The current limiter also operates by detecting this voltage. Internal reference voltage and power supply for both the drum motor driver output block and the coil waveform detection circuit. Motor coil center input 19 MCOM The coil voltage waveform is detected with this voltage as the reference. Drum motor driver output Pin voltage Function Equivalent circuit
VCC 20 A 3.9 30 k 3.9 30 k 20 16 17 18 22 23 24 10 k
21
VCC
8 to 13.8 V
VCC
16 17 18 22
10 k 200 2 k 200 200
22
UIN
23 24
Coil waveform detection comparator input Each phase output is connected by an internal 10 k resistor.
19
23
VIN
24
WIN
VREG
25 C1
15 A
15 A
25 26
5 A
Triangular wave generating capacitor connection This triangular wave is used to implement soft switching in the coil output waveform.
1 k 1/2VREG -VF
26
C2
VREG 100 A
The value of the capacitor connected between this pin and ground determines the operating frequency range and the minimum operating frequency of the VCO circuit.
27
CX
300
27
Continued on next page.
No. 6470-8/9
LB11880
Continued from preceding page.
Pin No. Pin Pin voltage Function Equivalent circuit
VREG
VCO circuit voltage input 28 VCOIN The PCOUT pin voltage is filtered by an RC circuit and input to this pin.
10 k 1.75 V 50 k
28
50 A
50 A
VREG
29
PCOUT
VCO circuit PLL output
29
30
GND
Ground for all circuits other than the drum and loading driver output transistors.
Specifications of any and all SANYO products described or contained herein stipulate the performance, characteristics, and functions of the described products in the independent state, and are not guarantees of the performance, characteristics, and functions of the described products as mounted in the customer's products or equipment. To verify symptoms and states that cannot be evaluated in an independent device, the customer should always evaluate and test devices mounted in the customer's products or equipment. SANYO Electric Co., Ltd. strives to supply high-quality high-reliability products. However, any and all semiconductor products fail with some probability. It is possible that these probabilistic failures could give rise to accidents or events that could endanger human lives, that could give rise to smoke or fire, or that could cause damage to other property. When designing equipment, adopt safety measures so that these kinds of accidents or events cannot occur. Such measures include but are not limited to protective circuits and error prevention circuits for safe design, redundant design, and structural design. In the event that any or all SANYO products (including technical data, services) described or contained herein are controlled under any of applicable local export control laws and regulations, such products must not be exported without obtaining the export license from the authorities concerned in accordance with the above law. No part of this publication may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopying and recording, or any information storage or retrieval system, or otherwise, without the prior written permission of SANYO Electric Co., Ltd. Any and all information described or contained herein are subject to change without notice due to product/technology improvement, etc. When designing equipment, refer to the "Delivery Specification" for the SANYO product that you intend to use. Information (including circuit diagrams and circuit parameters) herein is for example only; it is not guaranteed for volume production. SANYO believes information herein is accurate and reliable, but no guarantees are made or implied regarding its use or any infringements of intellectual property rights or other rights of third parties.
This catalog provides information as of May, 2000. Specifications and information herein are subject to change without notice. PS No. 6470-9/9

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