MC34932 Datasheet, PDF (10/24 Pages) Freescale Semiconductor, Inc – Dual 5.0 A H-Bridge

ELECTRICAL CHARACTERISTICS
TIMING DIAGRAMS
Short-circuit Condition
t _FAULT
9.0 ^{ISC Short-circuit Detection Threshold}
Hard Short Occurs
t_B
6.5 ^ILIM
OUT1, OUT2 Tri-stated,
SF set Low
05..00
t_B ^{(~16 μs)}
TIME
Figure 8. Short-circuit Detection Turn-OFF Time t_FAULT
.
Current Limit Threshold Foldback.
Operation within this region must be
limited to non-repetitive events not to
6.5
exceed 30 s per 24 hr.
4.2
t_SEP
t_HYS
t_FB
t_LIM
Figure 9. Output Current Limiting Foldback Region
t_LIM
Thermal Shutdown
34932
10
Analog Integrated Circuit Device Data
Freescale Semiconductor