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BTS432F2
Smart Highside Power Switch
o"''"''"
Infineon
technologies
PROFET® BTS432F2
Smart Highside Power Switch
Features
q Load dump and reverse battery protection")
. Clamp of negative voltage at output
q Short-circuit protection
. Current limitation
. Thermal shutdown
. Diagnostic feedback
. Open load detection in ON-state
q CMOS compatible input
. Electrostatic discharge (ESD) protection
. Loss of ground and loss of Vbb protections)
. Overvoltage protection
. Undervoltage and overvoltage shutdown with auto-
restart and hysteresis
Application
q wc compatible power switch with diagnostic feedback
for 12 V and 24 V DC grounded loads
. Most suitable for inductive loads
. Replaces electromechanical relays and discrete circuits
General Description
Product Summary
VLoad dump 80 V
Vbb- VOUT Avalanche Clamp 58 V
Vbb (operation) 4.5 ... 42 V
Vbb (reverse) -32 V
RON 38 m9
lL(SCp) 21 A
/L(SCr) 10 A
/L(|SO) 1 1 A
Straight leads
Standard
N channel vertical power FET with charge pump, ground referenced CMOS compatible input and diagnostic
feedback, integrated in Smart SIPMOS© chip on chip technology. Fully protected by embedded protection
functions.
I I Rbb + Vbb 3
I Voltage Overvoltage Current Gate i ,
source protection limit protection F- 2E
I L. VLogic I l i ' ,
Voltage Charge pump Limit for 0 JT
. unclamped 5
I sensor Level shifter ind. loads Temperature ,
2 IN I Rectifier sensor
- - Open load
I ESD Logic detection ,
4 ST 1—
I Short circuit I
detection
GND PROFET®
I - - - - - - - - =
Signal GND Load GND
1) No external components required, reverse load current limited by connected load.
2) Additional external diode required for charged inductive loads
Infineon Technologies AG 1 22.03.99
( Infineon
technologies
PROFET® BTS 432 F2
Pin Symbol Function
1 GND - Logic ground
2 IN I Input, activates the power switch in case of logical high signal
3 Vbb + Positive power supply voltage,
the tab is shorted to this pin
4 ST s Diagnostic feedback, low on failure
5 OUT 0 Output to the load
(Load, L)
Maximum Ratings at Tj = 25 °C unless otherwise specified
Parameter Symbol Values Unit
Supply voltage (overvoltage protection see page 3) Vbb 63 V
Load dump protection VLoadDump = UA + Vs, UA = 13.5 V V33) 66.5 V
RI: 2 Q, BL: 1.1 Q, id: 200 ms, IN-- low or high
Load current (Short-circuit current, see page 4) IL self-limited A
Operating temperature range T -40 ...+150 °C
Storage temperature range Tstg -55 ...+150
Power dissipation (DC) Ptot 125 W
Inductive load switch-off energy dissipation,
single pulse Tj=150 °C: EAS 1.7 J
Electrostatic discharge capability (ESD) VESD 2.0 kV
(Human Body Model)
Input voltage (DC) VIN -0.5 ... +6 V
Current through input pin (DC) IIN i5.0 mA
Current through status pin (DC) [ST i5.0
see internal circuit diagrams page 6...
Thermal resistance chip - case: RthJC S 1 K/W
junction - ambient (free air): RthJA S 75
SMD version, device on pcb4): S tbd
3) Vs is setup without DUT connected to the generator per ISO 7637-1 and DIN 40839
4) Device on 50mm*50mm*1.5mm epoxy PCB FR4 with 6cnf (one layer, 70pm thick) copper area for Vbb
connection. PCB is vertical without blown air.
Infineon Technologies AG 2
