TLE7181EM Datasheet, PDF (20/29 Pages) Infineon Technologies AG – H-Bridge and Dual Half Bridge Driver IC

H-Bridge and Dual Half Bridge Driver IC
TLE7181EM
µC
TLE718xEM
Internal
5V
ERR
Interface_ µC
GND GND
internal
Error
Logic
Figure 5 Structure of ERR output
Table 4 Overview of error condition
ERR
Driver conditions
Driver action
High
no errors
Fully functional
Low
Over temperature
Warning only
Low
Over voltage VS/VDH
Warning only
Low
Over current OPAMP
Warning only
Low
Under voltage error VREG
All MOSFETs actively
switched off
Low
Under voltage shutdown based MOSFET, charge pump,
on VS
Vreg switched off
Low
SCDL open pin
All MOSFETs actively
switched off
Low
Short circuit detection
All MOSFETs actively
switched off
Low
Go to sleep mode
All MOSFETs actively
switched off
Low
Wake up mode
start up
1) When SC detected, reset with ENA necessary
Table 5
Priority
0
1
2
Prioritization of Errors
Errors and Warnings
Under voltage lockout at Vs (VS_UVLO)
Short circuit detection error (SCD)
SCDL pin open warning (SCDLPOD)
Under voltage detection VREG (UV_VREG)
Over voltage detection warning (OVD)
Over temperature warning (OTD)
Over current warning (OCD)
Restart
–
Self clearing
Self clearing
Self clearing
Self clearing
Self clearing
restart when enable high¹⁾
Self clearing
Reset at ENA needed
immediate restart when
ENA goes high
–
Data Sheet
20
Rev 1.1, 2010-09-30