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1 General description

The MC33XS2410 is a four channel self-protected high-side switch. Featuring advanced digital monitoring and control function, the device is operational from 3.0 V to 60 V. As a result of high-level integration, the embedded 12-bit analog-to-digital converter enables a drastically simplified hardware design and MCU software control. The device is controlled by SPI port for configuration, monitoring and diagnostics of the outputs. Whenever communication with the MCU is lost, the device enters a safe operation mode, but remains operational, controllable and protected.

2 Features and benefits

? Four fully protected 100 mΩ / dual 50 mΩ (at 25 °C) high-side switches

? Active current limitation is 5 A

? Configurable parallel mode to double current capability

? 16-bit SPI port communication 3.3 V / 5.0 V compatible with daisy chain capability

? Outputs controllable via SPI-bus or direct inputs

? Diagnostic status reported via SPI-bus

? Watchdog for invalid commands or inactive SPI, with programmable timeout

? Programmable interrupt generator that reports to FAULT pin or SPI-bus

? Four independent PWM modules programmable from 0.5 Hz to 2.0 kHz with internal or external clock

? Protection for battery transient overvoltage and reversed polarity battery connection

? Configurable safe mode

? Standby mode with very low power consumption

? Digital PI PWM closed loop current regulation

? External FAULTB pin for warning or IRQ reporting

? 10 mA open load detection in ON state

? Latch off with configurable auto retry

? Configurable severe short-circuit and overload protection

? Programmable active current limit threshold to minimize short-circuit effect

? 12 bits ADC:

– Current from 5.0 mA to 5.0 A with ± 6 above 1 A

– Voltage from 0.5 V to 65 V with ± 6.5 above 5.0 V

– Temperature warning for each channel and central die monitoring

? Qualified in accordance with AEC Q100 grade 1

? Electrical transient disturbance immunity according of ISO 7637-2 and ISO 16750-2

3 Applications

? 12 V automotive, truck, and off-highway equipment

? 12 V and 24 V systems as well as industrial applications up to 60 V

? LED modules

? Solenoids valve and solenoid valve proportional with PI regulation

? DC motor up to 20 W with PWM control

? Incandescent bulbs up to 21 W

? ECU module with large input bypass capacitor, 470 μF and above