SLUSCT1B June 2017 – January 2019 TPS53681
PRODUCTION DATA.
The TPS53681 supports a variety of power supply protection features. The table below summarizes these protection features, and their related PMBus registers. See the following sections for more details.
Threshold | Response | |||
---|---|---|---|---|
Command Name | Default Value | Command Name | Default Value | |
Output Voltage | ||||
Over-Voltage Protection | VOUT_OV_FAULT_LIMIT | 1.520 V (Ch A)
1.520 V (Ch B) |
VOUT_OV_FAULT_RESPONSE | Shutdown,
do not restart |
Maximum Allowed Output Voltage | VOUT_MAX | 1.520 V (Ch A)
1.520 V (Ch B) |
Refer to Register Description | |
Under-Voltage Protection | VOUT_UV_FAULT_LIMIT | 0.000 V (Ch A)
0.000 V (Ch B) |
VOUT_UV_FAULT_RESPONSE | Shutdown,
do not restart |
Minimum Allowed Output Voltage | VOUT_MIN | 0.000 V (Ch A)
0.000 V (Ch B) |
Refer to Register Description | |
Output Current | ||||
Over-Current Protection | IOUT_OC_FAULT_LIMIT
MFR_SPECIFIC_10 |
39 A (Ch A)
39 A (Ch B) |
IOUT_OC_FAULT_RESPONSE | Shutdown,
do not restart |
Over-Current Warning | IOUT_OC_WARN_LIMIT | 26 A (Ch A)
26 A (Ch B) |
N/A. Warning Only. | |
Input Voltage | ||||
Turn-On Threshold | VIN_ON | 6.25 V | N/A | |
Over-Voltage Protection | VIN_OV_FAULT_LIMIT | 14.00 V | VIN_OV_FAULT_RESPONSE | Continue
Uninterrupted |
Under-Voltage Protection | VIN_UV_FAULT_LIMIT | 5.50 V | VIN_UV_FAULT_RESPONSE | Shutdown,
do not restart |
Input Current | ||||
Over-Current Protection | IIN_OC_FAULT_LIMIT | 63.5 A | IIN_OC_FAULT_RESPONSE | Shutdown,
do not restart |
Over-Current Warning | IIN_OC_WARN_LIMIT | 63.5 A | N/A. Warning Only | |
Temperature | ||||
Over-Temperature Protection | OT_FAULT_LIMIT | 135 °C (Ch A)
135 °C (Ch B) |
OT_FAULT_RESPONSE | Shutdown,
do not restart |
Over-Temperature Warning | OT_WARN_LIMIT | 105 °C (Ch A)
105 °C (Ch B) |
N/A. Warning Only. |