DocID029596 Rev 2

19/39

VNH7100BAS

Electrical specifications

38

Table 13. Off-state - truth table

INA

INB

SEL0

PWM

OutA

OutB

CS

Description

Off-state diagnostic

00

1

0

VoutA>VOL

xVSENSEH

Case 1. OutA shorted to VCC if no

pull-up is applied

Case 2. No open-load in full bridge

configuration with an external pull-

up on OutB

Case 3. open-load in half bridge

configuration with an external pull-

up on OutA(motor connected

between OutA and Ground)

VoutA<VOL

x

Hi-Z

Case 1. Open-load in full Bridge

configuration with an external pull-

up on OutB

Case 2. No open-load in half Bridge

configuration with external pull-up

on OutA (motor connected between

OutA and Ground)

0(1)(2)

XVoutB>VOL

VSENSEH

Case 1. OutB shorted to VCC if

no pull-up is applied

Case 2. No open-load in full

bridge configuration with

external pull-up on OutA

Case 3. Open-load in half bridge

configuration with external pull-up

on OutB (motor connected between

OutB and Ground)

XVoutB<VOL

Hi-Z

Case1. Open-load in full Bridge

configuration with an external pull-

up on OutA

Case 2. No open-load in half Bridge

configuration with external pull-up

on OutB (motor connected between

OutB and Ground)

1. The device enters standby mode after tD_STBY

2. To power on the device from the standby, it is recommended to toggle INA or INB from 0 to 1 first and then PWM from 0 to 1

to avoid any over-stress on the device in case of short-to-battery.