DRV3204E-Q1 Datasheet, PDF (31/39 Pages) Texas Instruments – Three-Phase Brushless Motor Driver

DRV3204E-Q1
www.ti.com
Fault Detection
SLVSCB5A – OCTOBER 2013 – REVISED JANUARY 2013
ITEMS
VB - Overvoltage
VB - Undervoltage
CP - Overvoltage
CP - Undervoltage
VCC - Overvoltage
VCC - Under Voltage
VCC - Overcurrent
Motor - Overcurrent
VDD - Overvoltage
VDD - Undervoltage
Thermal shutdown
Watch Dog
Clock Monitor
SPI format error
SPI FLTFLG
VBOV
VBUV
CPOV
CPUV
VCCOV
-
VCCOC
MTOC
VDDOV
-
TSD
-
-
-
Table 14. Fault Detection
Pre Driver⁽¹⁾
FAULT ⁽²⁾
Disable
L
Disable
L
Disable
L
Disable
L
Disable
L
Disable ⁽³⁾
H
Disable
L
Disable
L
Disable
L
Disable ⁽³⁾
H
Disable
L
-
H
-
H
-
H
RES
H
H
H
H
H
L
H
H
H
L
H
L
L
H
Others
SPI serial out error bit
(1) Pre-driver is disabled if the conditions occur and SDNEN register bits are 1.
(2) FAULT pin is asserted to low if the conditions occur and FLTEN register bits are 1.
(3) Pre-driver is disabled by VCC undervoltage and VDD undervoltage conditions regardless of SPI register setting.
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