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

Description

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