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                 Diagnostic Features
(two times 25 mΩ) in PG-DSO-12 power package providing embedded protective             ■ IntelliSense functionality for each

functions. Integrated resistors at each input pin (IN1, IN2, CLA) reduce                 channel
external components.                                                                   ■ Proportional load current sense signal

                                                                                         by current source signal
The load current limitation can be adjusted in two steps by the current limit adjust   ■ Open load detection in ON-state by

pin (CLA). The IntelliSense pins IS1 and IS2 provide a sophisticated diagnostic          load current sense signal
feedback signal including current sense function, open load in OFF-state               ■ Open load detection in OFF-state by

and over load alert.                                                                     voltage source signal
                                                                                       ■ Feedback on over temperature and

The power transistor is built by a N-channel vertical power MOSFET with charge           current limitation in ON-state
pump. The inputs are ground referenced CMOS compatible. The device is                  ■ Suppressed thermal toggling of fault

monolithically integrated in Smart SIPMOS technology.                                    signal


Applications                                                                           Integrated Protection Features
■ 12 V grounded high-side loads, µC compatible with diagnostic feedback                ■ Short circuit

■ Suitable for automotive and industrial applications                                  ■ Overload

■ All types of resistive, inductive and capacitive loads                               ■ Loss of ground and loss of Vbb

■ Suitable for loads with high inrush currents, such as lamps                          ■ Electrostatic discharge (ESD)

■ Suitable for loads with low currents such as LEDs                                    ■ Multi-step current limitation

■ Replaces electromechanical relays, fuses and discrete circuits                       ■ Adjustable current limitation

                                                                                       ■ Thermal shutdown with restart

Basic Features                                                                         ■ Reverse battery and over voltage

■ Very low standby current                                                               protection with external resistor
■ 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




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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 CLA Over Load Detection Channel 2 IN2 Control and Protection Circuit IS2 Equivalent to Channel 1 OUT2 Product Summary Type Description Package BTS 5242-2L 2 x 25 mΩ PG-DSO-12 Parameter Value Unit Operating voltage Vbb(on) 4.5 ... 28 V Over voltage protection Vbb(AZ) 41 V ON-state resistance RDS(0N) 25 mΩ Nominal load current (one channel active) IL(nom) 6A Adjustable current limitation IL(LIM) 7 A / 40 A Current limitation repetitive IL(SCr) 6 A / 40 A Standby current for whole device with load Ibb(OFF) 7.5 µA Application Example Vbb GND Indicator + Side Marker Indicator + Side Marker OUT1 BTS 5242-2L OUT2 IN1 IS1 CLA IS2 IN2 5W 27 W 27 W 27 W 27 W 5W µC How to reach us: Legal Disclaimer Warnings http://www.infineon.com The information given in this Product Brief shall in no event be Due to technical requirements, components may contain regarded as a guarantee of conditions or characteristics. With dangerous substances. For information on the types in question, Published by respect to any examples or hints given herein, any typical values please contact the nearest Infineon Technologies Office. Infineon Technologies AG stated herein and/or any information regarding the application of 81726 Munich, Germany Infineon Technologies components may be used in life-support the device, Infineon Technologies hereby disclaims any and all devices or systems only with the express written approval of © 2007 Infineon Technologies AG warranties and liabilities of any kind, including without limitation, Infineon Technologies, if a failure of such components can All Rights Reserved. warranties of non-infringement of intellectual property rights of reasonably be expected to cause the failure of that life-support any third party. device or system or to affect the safety or effectiveness of that device or system. Life support devices or systems are intended Information to be implanted in the human body or to support and/or main- For further information on technology, delivery terms and tain and sustain and/or protect human life. If they fail, it is conditions and prices, please contact the nearest reasonable to assume that the health of the user or other Infineon Technologies Office (www.infineon.com). persons may be endangered. Ordering No. B112-H9070-X-X-7600 Published by Infineon Technologies AG NB07-1169