Datasheet

LTC2974
63
2974fc
For more information www.linear.com/LTC2974
STATUS_IOUT
The STATUS_IOUT command returns the summary of the output current faults or warnings which have occurred, as
shown in the following table:
STATUS_IOUT Data Contents
BIT(S) SYMBOL OPERATION
b[7] Status_iout_oc_fault Overcurrent fault.
b[6] Status_iout_oc_uv_fault Not Supported. Always returns 0.
b[5] Status_iout_oc_warn Overcurrent warning
b[4] Status_iout_uc_fault Undercurrent fault.
b[3] Status_iout_curr_share_fault Not Supported. Always returns 0.
b[2] Status_pout_power_limiting Not Supported. Always returns 0.
b[1] Status_pout_overpower_fault Not Supported. Always returns 0.
b[0] Status_pout_overpower_warn Not Supported. Always returns 0.
STATUS_INPUT
The STATUS_INPUT command returns the summary of the V
IN
faults or warnings which have occurred, as shown in
the following table:
STATUS_INPUT Data Contents
BIT(S) SYMBOL OPERATION
b[7] Status_input_ov_fault V
IN
overvoltage fault
b[6] Status_input_ov_warn V
IN
overvoltage warning
b[5] Status_input_uv_warn V
IN
undervoltage warning
b[4] Status_input_uv_fault V
IN
undervoltage fault
b[3] Status_input_off Unit is off for insufficient input voltage.
b[2] IIN overcurrent fault Not supported. Always returns 0.
b[1] IIN overcurrent warn Not supported. Always returns 0.
b[0] PIN overpower warn Not supported. Always returns 0.
STATUS_TEMPERATURE
The STATUS_TEMPERATURE command returns the summary of the temperature faults or warnings which have oc-
curred, as shown in the following table. Note that this information is paged and refers to the temperature of the as-
sociated external diode.
STATUS_TEMPERATURE Data Contents
BIT(S) SYMBOL OPERATION
b[7] Status_temperature_ot_fault Overtemperature fault.
b[6] Status_temperature_ot_warn Overtemperature warning.
b[5] Status_temperature_ut_warn Undertemperature warning.
b[4] Status_temperature_ut_fault Undertemperature fault.
b[3] Reserved Reserved. Always returns 0.
b[2] Reserved Reserved. Always returns 0.
b[1] Reserved Reserved. Always returns 0.
b[0] Reserved Reserved. Always returns 0.
pMbus coMManD DescripTion