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iHP Manual 76 | P a g e
iHP Owners Manual
Table 4-19
Module
Command
Command Name
Functional
in AVS
Upon Change to AVS
B1h
VREF
No
Fix to Module's Nominal Output Voltage
B2h
IREF
Yes
During 52h set to Constant Current,
value will be set based on Module
Command 4Dh and nominal output
current.
During 52h set to Latch Type, value will be
fixed to 120% of the nominal output
current.
48h
OV_FAULT_LIMIT_MULTIPLIER
No
No change from previous value
49h
OV_WARN_LIMIT_MULTIPLIER
No
No change from previous value
4Bh
UV_FAULT_LIMIT_MULTIPLIER
No
No change from previous value
4Ch
UV_WARN_LIMIT_MULTIPLIER
No
No change from previous value
4Dh
OC_FAULT_LIMIT_MULTIPLIER
Yes
No change from previous value
52h
OC_RESPONSE_TYPE
Yes
No change from previous value
B5h
SET_VOLTAGE_RISE_SETTING
No
No change from previous value
B6h
SET_CURRENT_RISE_SETTING
No
No change from previous value
B7h
SET_IO_ACTIVE_LEVEL_LOGIC
Yes
No change from previous value
B8h
SET_MODULE__LOAD_TYPE
Yes
Default to capacitive load type Data “02h”
BAh
ANALOG_FILTER_ENABLE
Yes
No change from previous value
*Functional: If Yes, command register is operational during the module mode.
If No, command register is not operational during the module mode
To change the output voltage using 0-10VEXT_VPROG, apply 0-10V across the connector J1’s pin 1 (0-
10VEXT_VPROG) and pin 8 (SYS_RTN) to get a corresponding output voltage from 5% to 120% of the nominal
output voltage. Applied voltage 0V – 0.42V yields 5% nominal output voltage.
To change the output voltage using 0-5VEXT_VPROG, apply 0-5V across the connector J1’s pin 2 (0-
5VEXT_VPROG) and pin 8 (SYS_RTN) to get a corresponding output voltage from 5% to 120% of the nominal
output voltage. Applied voltage 0V – 0.21V yields 5% nominal output voltage.
Note: IREF will automatically readjust if the voltage request is above the nominal output voltage.
Please note that 0-10VEXT_IPROG and 0-5VEXT_IPROG cannot be used simultaneously:
 If the user will use 0-10VEXT_VPROG, 0-5VEXT_VPROG should be floating.
 If the user will use 0-5VEXT_VPROG, 0-10VEXT_VPROG should be floating.