DRV3203-Q1 Datasheet, PDF (22/39 Pages) Texas Instruments – DRV3203-Q1 Three-Phase Brushless Motor Driver

Not Recommended for New Designs
DRV3203-Q1
SLVSC09B – MAY 2013 – REVISED JULY 2016
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Feature Description (continued)
7.2.8 VB Monitor
The VB monitoring system has two comparators for under- and overvoltage, and has pre-driver stop-controlling
system. Overvoltage provides a selectable pre-driver stop condition (SPI control), while undervoltage must stop
pre-driver operation under detection (no selectable). The system should return to normal operation automatically
after undetected level.
VB
+
VB_OV
VB_UV
VREF
-
Figure 16. VB Monitor Block Diagram
7.2.9 Thermal Shutdown
The device has temperature sensors that produce pre-driver stop condition if the chip temperature exceeds
175°C.
IPTAT
TSD
Figure 17. Thermal Shutdown Block Diagram
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