TLE82453-3SA_15 Datasheet, PDF (38/71 Pages) Infineon Technologies AG – 3 Channel High-Side and Low-Side Linear Solenoid Driver IC

10
Diagnosis Functions
TLE82453-3SA
Diagnosis Functions
10.1
Overview
For diagnosis purposes, the device provides a FAULTN pin and a DIAGNOSIS register accessed through the SPI
interface. The following table lists the types of load faults which are detected in each mode of operation.
HIGH_SIDE
CONFIG
LOW_SIDE
CONFIG
OFF (0 mA) ON OFF (0 mA) ON
OPEN LOAD
SHORT TO
BATTERY
SHORT TO
GROUND
YES
YES
NO
YES
YES
YES
YES
NO
YES
YES
YES
YES
Figure 17 Fault Conditions Detected in Each Mode of Operation
VBAT
VBAT
VBAT
VBAT
VDD
HSLSx
LOADx
VDD
HSLSx
LOADx
OPEN LOAD
VBAT
VBAT VBAT
SHORT TO GROUND
(Switch Bypass)
VDD
HSLSx
LOADx
SHORT TO BATTERY
(shorted load)
Figure 18 Fault Conditions for Low-Side Configuration
Data Sheet
38
-
Rev 1.0, 2015-03-27