Product Brief
BTS 5236-2GS
Smart High-Side Power Switch
Two Channels 50 mΩ
T H E B T S 5 2 3 6 - 2 G S is a dual channel high-side power switch Diagnostic Features
(50 mΩ per channel) in PG-DSO-14 package providing embedded protective ■ Enhanced IntelliSense signal for each
functions. channel
■ Enable function for diagnosis pins
The enhanced IntelliSense pins IS1 and IS2 provide a sophisticated diagnostic (IS1 and IS2)
feedback signal including current sense function, over load and over temperature ■ Proportional load current sense signal
alerts in ON-state and open load alert in OFF-state. The diagnosis signals can be by current source
switched ON and OFF by the sense enable pin SEN. ■ High accuracy of current sense signal at
wide load current range
An integrated ground resistor as well as integrated resistors at each input pin ■ Open load detection in ON-state by
(IN1, IN2, SEN) reduce external components to a minimum. load current sense
■ Over load (current limitation) diagnosis
The power transistor is built by a N-channel vertical power MOSFET with charge in ON-state by voltage source signal
pump. The inputs are ground referenced CMOS compatible. The device is ■ Latched over temperature diagnosis in
monolithically integrated in Smart SIPMOS technology. ON-state by voltage source signal
■ Open load detection in OFF-state by
Applications voltage source signal
■ 12 V grounded high-side loads, µC compatible with diagnostic feedback
■ Suitable for automotive and industrial applications Integrated Protection Features
■ All types of resistive, inductive and capacitive loads ■ Reverse battery
■ Suitable for loads with high inrush currents, such as lamps ■ Over voltage
■ Suitable for loads with low currents such as LEDs ■ Short circuit
■ Replaces electromechanical relays, fuses and discrete circuits ■ Over load
■ Loss of ground
Basic Features ■ Electrostatic discharge (ESD)
■ Very low standby current ■ Multi step current limitation
■ 3.3 V and 5 V compatible logic pins ■ Thermal shutdown with restart
■ Improved electromagnetic compatibility (EMC) at reduced current limitation
■ Stable behavior at under voltage
■ Logic ground independent from load ground
■ Load turn-off while logic ground is disconnected
■ Optimized inverse current capability
■ Green Product (RoHS compliant)
■ AEC qualified
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Automotive Power
Product Brief
Block Diagram
Channel 1 Vbb
Load Current Clamp for
Sense Inductive Load
Internal Gate Control &
Power Charge Pump
Supply Multi Step
Logic Open Load Load Current OUT1
Detection Limitation
IN1
ESD Temperature Sensor
IS1 Protection
SEN Over Load Detection
Channel 2
IN2 Control and Protection Circuit
IS2 Equivalent to Channel 1
RGND OUT2
GND
Product Summary
Type Description Package
BTS 5236-2GS 2 x 50 mΩ PG-DSO-14
Parameter Value Unit
Operating voltage Vbb(on) 4.5 ... 28 V
Over voltage protection Vbb(AZ) 41 V
ON-state resistance RDS(0N) 50 mΩ
Nominal load current (one channel active) IL(nom) 3.2 A
Current limitation IL(LIM) 23 A
Current limitation repetitive IL(SCr) 6A
Standby current for whole device with load Ibb(OFF) 2.5 µA
Application Example
27 W Bulb Vbb GND
(e.g. Break Light) LED Cluster
(e.g. Indicator)
OUT1 BTS 5236-2GS OUT2
IN1 IS1 SEN IS2 IN2
µC
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Ordering No. B112-H9069-X-X-7600
Published by Infineon Technologies AG NB07-1169