DRV8305_15 Datasheet, PDF (27/53 Pages) Texas Instruments – DRV8305 Three Phase Gate Driver With Current Shunt Amplifiers and Voltage Regulator

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DRV8305
SLVSCX2A – AUGUST 2015 – REVISED SEPTEMBER 2015
Table 5. Fault / Warning Device Status
CONDITION
CLASS
PVDD undervoltage (V_{PVDD_UVLO1})
falling
PVDD undervoltage (V_{PVDD_UVLO2})
falling
PVDD undervoltage (V_{PVDD_UVFL})
falling
PVDD overvoltage (V_{PVDD_OVFL}) rising
Charge pump undervoltage
(VVCPH_UVFL) falling
Charge pump undervoltage
(V_{VCPH_UVLO} / V_{VCP_LSD_UVLO})
Charge pump overvoltage
(V_{VCPH_OVLO}, V_{VCPH_OVLO_ABS})
AVDD undervoltage
TEMP FLAG 1/2/3/4
OT warning (OTW)
OT shutdown (OTS)
VDS event – latch mode (FETxx_VDS)
VDS event – report mode
(FETxx_VDS)
VDS event – disable mode
(FETxx_VDS)
SNS OCP
Gate driver fault VGS event
MCU watchdog
VREG_UV
None
Latched
Warning
Warning
Warning
Latched
Latched
Latched
Real time
Warning
Latched
Latched
Report only
Not reported
Latched
Latched
Latched +
PWRGD
Latched +
PWRGD
OUTPUTS
PD – PULL
DOWN
O – OPERATING
CHARGE PUMP
O – OPERATING
SD – SHUTDOWN
AVDD / DVDD
O – OPERATING
SD – SHUTDOWN
VOLTAGE
REGULATOR
O – OPERATING
SD – SHUTDOWN
PD
SD
SD
SD
PD
SD
O
O
O
O
O
O
O
O
O
O
O
O
O
O
PD
SD
O
O
PD
SD
O
O
PD
SD
SD
O
O
O
O
O
O
O
O
O
PD
SD
O
O
PD
O
O
O
O
O
O
O
O
O
O
O
PD
O
O
O
PD
SD
O
O
PD
O
O
O
PD
O
O
O
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