NCV7462
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VCAN Failure
VCAN_FAIL VCC_CAN Supply Input Failure
0 default no VCC_CAN failure occurred
1
VCC_CAN fails for at least 2 ms (VCC_CAN < Vfail_VCAN for > 2 ms),
latched bit
VCAN Undervoltage
VCAN_UV VCC_CAN Supply Input Undervoltage
0 default no VCC_CAN failure occurred
1 VCC_CAN < Vfail_VCAN
VR1 Failure
VR1_FAIL Voltage Regulator VR1 Failure
0 default no VR1 failure occurred
1
VR1 fails for at least 5 ms (VR1 < 2 V for > 5 ms) OR (VR1 < 2 V at 4 ms
after turn−on)
VR2 Failure
VR2_FAIL Voltage Regulator VR2 Failure
0 default No VR2 failure occurred
1
VR2 fails for at least 2 ms (VR2 < 2 V for > 2 ms) OR (VR2 < 2 V at 4 ms
after turn−on)
VR2 Short Circuit
VR2_SHORT Indicates a Short Circuit at VR2
0 default No short circuit
1 VR2 short to GND at turn on; (VR2 < 2 V for more than 4 ms)
VS Overvoltage
VS_OV Overvoltage on VS Pin
0 default VS is below the overvoltage limit
1 VS exceeded the overvoltage limit
VS Undervoltage
VS_UV Undervoltage on VS Pin
0 default VS is above the undervoltage limit
1 VS fell below the undervoltage limit
Thermal Protection
TSD2 TSD1 TWAR Thermal Warning/Shutdown
0 0 0 default No thermal limit exceeded
X X 1 Thermal warning encountered
X 1 X Thermal shutdown 1 encountered
1 X X Thermal shutdown 2 encountered
Permanent Dominant
Protection
TO_TxDL TO_TxDC
0 0 default No transmitter timeout encountered
1 X LIN transmitter timeout encountered
X 1 CAN transmitter timeout encountered
