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VN16B
ISO HIGH SIDE SMART POWER SOLID STATE RELAY
PRELIMINARY DATA TYPE VN16B
s
V DSS 40 V
R DS( on) 0.06
I n (*) 5.6 A
VC C 26 V
s s s s s s
MAXIMUM CONTINUOUS OUTPUT CURRENT (#): 20 A @ Tc= 85oC 5V LOGIC LEVEL COMPATIBLE INPUT THERMAL SHUT-DOWN UNDER VOLTAGE PROTECTION OPEN DRAIN DIAGNOSTIC OUTPUT INDUCTIVE LOAD FAST DEMAGNETIZATION VERY LOW STAND-BY POWER DISSIPATION
PENTAWATT (vertical)
PENTAWATT (horizontal)
DESCRIPTION The VN16B is a monolithic device made using SGS-THOMSON Vertical Intelligent Power Technology, intended for driving resistive or inductive loads with one side grounded. Built-in thermal shut-down protects the chip from over temperature and short circuit. The open drain diagnostic output indicates: open load in off state and in on state, output shorted to VCC and overtemperature. Fast demagnetization of inductive loads is archieved by negative (-18V) load voltage at turn-off. BLOCK DIAGRAM
PENTAWATT (in-line)
ORDER CODES: PENTAWATT vertical VN16B PENTAWATT horizontal VN16B (011Y) PENTAWATT in-line VN16B (012Y)
(*) In= Nominal current according to ISO definition for hi gh side automotive switch (see note 1) (#) T he maximum continuous output current is the current at T c = 85 o C for a battery voltage of 13 V which does not activate sel f protection
September 1994
1/11
VN16B
ABSOLUTE MAXIMUM RATING
Symbol V( BR)DSS IO UT IR II N -V CC ISTA T VE SD P tot Tj T stg Parameter Drain-Source Breakdown Voltage Output Current (cont.) at T c = 85 C Reverse Output Current at T c = 85 o C (f > 1Hz) Input Current Reverse Supply Voltage Status Current Electrostatic Discharge (1.5 k, 100 pF) Power Dissipation at T c = 25 C Junction Operating Temperature Storage Temperature
o o
Value 40 20 20 -20 10 -4 10 2000 82 -40 to 150 -55 to 150
Unit V A A A mA V mA V W
o o
I OU T(RMS) RMS Output Current at T c = 85 o C
C C
CONNECTION DIAGRAM
CURRENT AND VOLTAGE CONVENTIONS
2/11
VN16B
THERMAL DATA
R thj-cas e Rthj- amb Thermal Resistance Junction-case Thermal Resistance Junction-ambient Max Max 1.5 60
o o
C/W C/W
ELECTRICAL CHARACTERISTICS (8 < VCC < 16 V; -40 Tj 125 oC unless otherwise specified) POWER
Symbol VC C In(*) R on IS V DS(MAX) Ri Parameter Supply Voltage Nominal Current On State Resistance Supply Current T c = 85 C V DS( on) 0.5 V CC = 13 V
o o
Test Conditions
Min. 6 5.6 0.038
Typ. 13
Max. 26 8.8 0.06
Unit V A A V K
I OU T = In V CC = 13 V Off State V CC = 13 V
Tj = 25 C T j 25 oC
o
25 1 5 10
50 1.8 20
Maximum Voltage Drop I OU T = 20 A Output to GND Internal T j = 25 o C Impedance
V CC = 13 V T c = 85 C
SWITCHING
Symbol td(on) (^) t r (^) td( off)(^) tf (^) (di/dt) on (di/dt) off V demag Parameter Test Conditions Min. 5 40 10 40 VC C = 13 V VC C = 13 V L = 1 mH 0.008 0.008 -24 -18 Typ. 50 100 100 100 Max. 500 680 500 680 0.1 0.1 -14 Unit s s s s A/s A/s V Turn-on Delay Time Of R load = 1.6 Output Current Rise Time Of Output Current R load = 1.6
Turn-off Delay Time Of R load = 1.6 Output Current Fall Time Of Output Current Turn-on Current Slope Turn-off Current Slope Inductive Load Clamp Voltage R load = 1.6 R load = 1.6 R load = 1.6 R load = 1.6
LOGIC INPUT
Symbol V IL V IH V I(hy st.) II N V ICL Parameter Input Low Level Voltage Input High Level Voltage Input Hysteresis Voltage Input Current Input Clamp Voltage V IN = 5 V I IN = 10 mA I IN = -10 mA Tj = 25 o C 5 6 -0.7 3.5 0.2 1 Test Conditions Min. Typ. Max. 1.5 (*) 1.5 100 7 Unit V V V A V V
3/11
VN16B
ELECTRICAL CHARACTERISTICS (continued) PROTECTION AND DIAGNOSTICS (continued)
Symbol V STAT V US D V SCL TTS D T SD( hys t. ) TR V OL I OL tpovl tpol Parameter Status Voltage Output Low Under Voltage Shut Down Status Clamp Voltage Thermal Shut-down Temperature Thermal Shut-down Hysteresis Reset Temperature Open Voltage Level Open Load Current Level Status Delay Status Delay Off-State (note 2) On-State (note 3) (note 3) 50 125 2.5 0.15 5 400 3.8 5 0.85 10 2500 I STAT = 10 mA I STAT = -10 mA Test Conditions I STAT = 1.6 mA 3.5 5 140 5 6 -0.7 160 15 Min. Typ. Max. 0.4 6 7 180 50 Unit V V V V
o
C C C
o
o
V A s s
(*) In= Nominal current according to ISO definition for hi gh side automotive switch (see note 1) (^) See Switchig Time Waveforms (*) The VI H is internally clamped at 6V about. It is possible to connect this pin to an higher voltage vi a an external resistor cal culated to not exceed 10 mA at the i nput pin. note 1: The Nominal Current is the current at T c = 85 o C for battery voltage of 13V which produces a voltage drop of 0.5 V note 2: IOL( of f) = (VCC -VOL)/ROL (see fi gure) note 3: tpo vl tpol : ISO definiti on (see figure)
Note 2 Relevant Figure
Note 3 Relevant Figure
4/11
VN16B
Switching Time Waveforms
FUNCTIONAL DESCRIPTION The device has a diagnostic output which indicates open load in on-state, open load in off-state, over temperature conditions and stuck-on to VCC. From the falling edge of the input signal, the status output, initially low to signal a fault condition (overtemperature or open load on-state), will go back to a high state with a different delay in case of overtemperature (tpovl) and in case of open open load (tpol) respectively. This feature allows to discriminate the nature of the detected fault. To protect the device against short circuit and over current condition, the thermal protection turns the integrated Power MOS off at a minimum junction temperature of 140 oC. When this temperature returns to 125 oC the switch is automatically turned on again. In short circuit the protection reacts with virtually no delay, the sensor being located inside the Power MOS area. An internal function of the devices ensures the fast demagnetization of inductive loads with a typical voltage (Vdemag) of -18V. This function allows to greatly reduces the power dissipation according to the formula: Pdem = 0.5 * Lload * (Iload)2 * [(VCC+Vdemag)/Vdemag] * f where f = switching frequency and Vdemag = demagnetization voltage. The maximum inductance which causes the chip
temperature to reach the shut-down temperature in a specified thermal environment is a function of the load current for a fixed VCC, Vdemag and f according to the above formula. In this device if the GND pin is disconnected, with VCC not exceeding 16V, it will switch off. PROTECTING THE DEVICE AGAINST REVERSE BATTERY The simplest way to protect the device against a continuous reverse battery voltage (-26V) is to insert a Schottky diode between pin 1 (GND) and ground, as shown in the typical application circuit (fig.3). The consequences of the voltage drop across this diode are as follows: - If the input is pulled to power GND, a negative voltage of -Vf is seen by the device. (Vil, Vih thresholds and Vstat are increased by Vf with respect to power GND). - The undervoltage shutdown level is increased by Vf. If there is no need for the control unit to handle external analog signals referred to the power GND, the best approach is to connect the reference potential of the control unit to node [1] (see application circuit in fig. 3), which becomes the common signal GND for the whole control board avoiding shift of Vih, Vil and Vstat. This solution allows the use of a standard diode.
5/11
VN16B
TRUTH TABLE
INPUT Normal Operation Over-temperature Under-voltage Short load to V C C Open Load
(#) W ith an additional external resistor
OUTPUT L H L L H H H L
DIAGNOSTIC H H L H L L L L (#)
L H X X H L H L
Figure 1: Waveforms
6/11
VN16B
Figure 2: Over Current Test Circuit
Figure 3: Typical Application Circuit With A Schottky Diode For Reverse Supply Protection
Figure 4: Typical Application Circuit With Separate Signal Ground
7/11
VN16B
Pentawatt (vertical) MECHANICAL DATA
DIM. A C D D1 E F F1 G G1 H2 H3 L L1 L2 L3 L5 L6 L7 M M1 Dia mm TYP. inch TYP.
MIN.
2.4 1.2 0.35 0.8 1 3.2 6.6 10.05
3.4 6.8
MAX. 4.8 1.37 2.8 1.35 0.55 1.05 1.4 3.6 7 10.4 10.4
MIN.
0.094 0.047 0.014 0.031 0.039 0.126 0.260 0.396
0.134 0.268
MAX. 0.189 0.054 0.110 0.053 0.022 0.041 0.055 0.142 0.276 0.409 0.409
17.85 15.75 21.4 22.5 2.6 15.1 6 4.5 4 3.65 3.85 0.144 3 15.8 6.6 0.102 0.594 0.236
0.703 0.620 0.843 0.886 0.118 0.622 0.260 0.177 0.157 0.152
L E L1
A
C
D1
L2 L5 L3
D
H3
Dia. F
H2
L7 L6
F1
G
G1
M
M1
P010E
8/11
VN16B
Pentawatt (horizontal) MECHANICAL DATA
DIM. A C D D1 E F F1 G G1 H2 H3 L L1 L2 L3 L5 L6 L7 Dia 10.05 14.2 5.7 14.6 3.5 2.6 15.1 6 3.65 2.4 1.2 0.35 0.8 1 3.2 6.6 3.4 6.8 mm MIN. TYP. MAX. 4.8 1.37 2.8 1.35 0.55 1.05 1.4 3.6 7 10.4 10.4 15 6.2 15.2 4.1 3 15.8 6.6 3.85 0.137 0.102 0.594 0.236 0.144 0.396 0.559 0.094 0.047 0.014 0.031 0.039 0.126 0.260 0.134 0.268 MIN. inch TYP. MAX. 0.189 0.054 0.110 0.053 0.022 0.041 0.055 0.142 0.276 0.409 0.409 0.590 0244 0.598 0.161 0.118 0.622 0.260 0.152
P010F
9/11
VN16B
Pentawatt (In- Line) MECHANICAL DATA
DIM. MIN. A C D D1 E F F1 G G1 H2 H3 L2 L3 L5 L6 L7 Dia 10.05 23.05 25.3 2.6 15.1 6 3.65 23.4 25.65 2.4 1.2 0.35 0.8 1 3.2 6.6 3.4 6.8 mm TYP. MAX. 4.8 1.37 2.8 1.35 0.55 1.05 1.4 3.6 7 10.4 10.4 23.8 26.1 3 15.8 6.6 3.85 0.396 0.907 0.996 0.102 0.594 0.236 0.144 0.921 1.010 0.094 0.047 0.014 0.031 0.039 0.126 0.260 0.134 0.268 MIN. inch TYP. MAX. 0.189 0.054 0.110 0.053 0.022 0.041 0.055 0.142 0.276 0.409 0.409 0.937 1.028 0.118 0.622 0.260 0.152
P010D
10/11
VN16B
Information furnished is believed to be accurate and reliable. However, SGS-THOMSON Microelectronics assumes no responsability for the consequences of use of such information nor for any infringement of patents or other rights of third parties which may results from its use. No license is granted by implication or otherwise under any patent or patent rights of SGS-THOMSON Microelectronics. Specifications mentioned in this publication are subject to change without notice. This publication supersedes and replaces all information previously supplied. SGS-THOMSON Microelectronics products are not authorized for use as critical components in life support devices or systems without express written approval of SGS-THOMSON Microelectonics. (c) 1994 SGS-THOMSON Microelectronics - All Rights Reserved SGS-THOMSON Microelectronics GROUP OF COMPANIES Australia - Brazil - France - Germany - Hong Kong - Italy - Japan - Korea - Malaysia - Malta - Morocco - The Netherlands Singapore - Spain - Sweden - Switzerland - Taiwan - Thailand - United Kingdom - U.S.A
11/11

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