BTS71040-4ESE datasheet(2/82 Pages) INFINEON

2 / 82 page

Data Sheet

Rev.1.00

2018-10-16

BTS71040-4ESE

SPOC™+2

Overview

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 internal Channels

• Integrated control for one external smart power switch

• ReverSave™ for low power dissipation in Reverse Polarity

• Switch ON capability while Inverse Current condition (InverseON)

• Green Product (RoHS compliant)

• Qualified in accordance with AEC Q100 grade 1

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 BTS71040-4ESE is a SPI Power Controller, providing protection functions and diagnosis. The device is

integrated in SMART7 technology.

Table 1

Product Summary

Parameter

Symbol

Values

Minimum Operating voltage (at switch ON)

VS(OP)

4.1 V

Minimum Operating voltage (cranking)

VS(UV)

3.1 V

Maximum Operating voltage

28 V

Digital Supply voltage

VDD

3.3V or 5V

Minimum Overvoltage protection (TJ = 25 °C)

VDS(CLAMP)_25

35 V

Maximum current in Sleep mode (TJ ≤ 85 °C)

IVS(SLEEP)_85

0.4 µA

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