Product Brief
BTS 5242-2L
Smart High-Side Power Switch
Two Channels 25 mΩ
T H E B T S 5 2 4 2 - 2 L is a dual channel high-side power switch
(two times 25 mΩ) in PG-DSO-12 power package providing embedded protective
functions. Integrated resistors at each input pin (IN1, IN2, CLA) reduce
external components.
The load current limitation can be adjusted in two steps by the current limit adjust
pin (CLA). The IntelliSense pins IS1 and IS2 provide a sophisticated diagnostic
feedback signal including current sense function, open load in OFF-state
and over load alert.
The power transistor is built by a N-channel vertical power MOSFET with charge
pump. The inputs are ground referenced CMOS compatible. The device is
monolithically integrated in Smart SIPMOS technology.
Applications
12 V grounded high-side loads, µC compatible with diagnostic feedback
Suitable for automotive and industrial applications
All types of resistive, inductive and capacitive loads
Suitable for loads with high inrush currents, such as lamps
Suitable for loads with low currents such as LEDs
Replaces electromechanical relays, fuses and discrete circuits
Basic Features
Very low standby current
3.3 V and 5 V compatible logic pins
Improved electromagnetic compatibility (EMC)
Stable behavior at under voltage
Logic ground independent from load ground
Secure load turn-off while logic ground disconnected
Very low leakage current from OUT to GND
Green Product (RoHS compliant)
AEC Qualified
Diagnostic Features
IntelliSense functionality for each
channel
Proportional load current sense signal
by current source signal
Open load detection in ON-state by
load current sense signal
Open load detection in OFF-state by
voltage source signal
Feedback on over temperature and
current limitation in ON-state
Suppressed thermal toggling of fault
signal
Integrated Protection Features
Short circuit
Overload
Loss of ground and loss of Vbb
Electrostatic discharge (ESD)
Multi-step current limitation
Adjustable current limitation
Thermal shutdown with restart
Reverse battery and over voltage
protection with external resistor
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