Basic Features

? High-Side Switch with Diagnosis and Embedded Protection

? Part of SPOC? +2 Family

? Daisy Chain capable SPI interface

? 3.3 V and 5 V compatible logic pins

? Slew rate control for all Channels

? ReverseON for low power dissipation in Reverse Polarity

? Switch ON capability while Inverse Current condition (InverseON)

? Green Product (RoHS compliant)

Protection Features

? Absolute and dynamic temperature limitation with controlled restart

? Overcurrent protection (tripping) with Programmable Restart Control and Current Threshold

? Undervoltage shutdown

? Overvoltage protection with external components

Diagnostic Features

? Proportional load current sense multiplexed

? Open Load in ON and OFF state

? Short circuit to ground and battery

? Diagnosis feedback via SPI

Functional Safety Features

? Limp Home mode

? Monitoring of Input pin status (IN and LHI)

? Checksum verification of Configuration Registers

? Current Sense verification mode

描述 Description

The BTS71220-4ESP is a Serial Interface Power Controller, providing protection functions and diagnosis. The device is integrated in SMART7 technology.