Texas Instruments DRV8301-HC-C2-KIT - Three Phase BLDC & PMSM Motor Kit with DRV8301 and Piccolo MCU DRV8301-HC-C2-KIT DRV8301-HC-C2-KIT Scheda Tecnica
Codici prodotto
DRV8301-HC-C2-KIT
SLOS719B – AUGUST 2011 – REVISED AUGUST 2013
Table 1. Fault and Warning Reporting and Handling
REPORTING ON
REPORTING ON
REPORTING IN SPI
EVENT
ACTION
LATCH
FAULT PIN
OCTW PIN
STATUS REGISTER
External FETs HiZ;
PVDD
Weak pull down of all gate
N
Y
N
Y
undervoltage
driver output
External FETs HiZ;
DVDD
Weak pull down of all gate
N
Y
N
N
undervoltage
driver output; When recovering,
reset all status registers
External FETs HiZ;
GVDD
Weak pull down of all gate
N
Y
N
Y
undervoltage
driver output
External FETs HiZ;
Weak pull down of all gate driver
output
GVDD
Shut down the charge pump
Y
Y
N
Y
overvoltage
Won’t recover and reset through
SPI reset command or
quick EN_GATE toggling
Y (in default
OTW
None
N
N
Y
setting)
Gate driver latched shut down.
Weak pull down of all gate driver
output
OTSD_GATE
Y
Y
Y
Y
to force external FETs HiZ
Shut down the charge pump
OTSD_BUCK
OTSD of Buck
Y
N
N
N
Buck output
UVLO_BUCK: auto-restart
N
Y, in PWRGD pin
N
N
undervoltage
Buck current limiting
Buck overload
(HiZ high side until current reaches
N
N
N
N
zero and then auto-recovering)
External FET
External FETs current Limiting
Y, indicates which phase
N
N
Y
overload – current
has OC
(only OC detected FET)
limit mode
Weak pull down of gate driver
External FET
output and PWM logic “0” of
Y
Y
Y
Y
overload – Latch
LS and HS in the same phase.
mode
External FETs HiZ
External FET
Y, indicates which phase
overload –
Reporting only
N
N
Y
has OC
reporting only
mode
16
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