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PMBus COMMAND COMM. PMBus COMM. # DATA DEFAULT EXP. VALID DESCRIPTION DEFAULT CODES COMMANDS STRUCT. BYTES VALUE (FIXED) VALUESSets VOUT format bit 7 0: absolute 1: relative bit 6 and 5 00: ULINEAR16 / SLINEAR16 01: VID 10: direct 0x20 VOUT_MODE Byte 1 0x17 -9 11: IEEE half precision FP bit 4, 3, and 2 ULINEAR16 : N (X = VOUT_COMMANDx2^N) = -9 (10111) VID: VID code type Direct: 00000 IEEE: 00000 Sets V 0x21 VOUT_COMMAND Word OUT (V) 2 0x0133 0.6 -9 0.3-14 2 bytes SLINEAR16 User trimming offset to be added in SLINEAR16 format 0x22 VOUT_TRIM Word 2 0x0000 0 -9 (-2)-2 (2's complement) (V) 2 bytes SLINEAR16 Sets maximum VOUT for alert and 0x24 VOUT_MAX limiting VOUT (V) 2 0x1C00 14 -9 0.3-14 2 bytes SLINEAR16 5 % 0x25 VOUT_MARGIN_HIGH Word Set the MARGIN HIGH voltage 2 0x0142 0.63 -9 0.3-14 2 bytes SLINEAR16 -5 % 0x26 VOUT_MARGIN_LOW Word Set the MARGIN LOW voltage 2 0x0123 0.57 -9 0.3-14 2 bytes SLINEAR16 11 Sets the slew rate in mV/μs 0x27 VOUT_TRANSITION_RATE Word 2 0xE002 0.125 -4 0.0625-2 2 bytes ULINEAR11 Sets the VOUT/FB ratio 0.125, 0.25, 0x29 VOUT_SCALE_LOOP Word 2 bytes SLINEAR11, 0.125,0.25, 0.5, 1 2 0xE808 1 -3 0.5, 1 allowed Switching frequency: (kHz) 300K to 0x33 FREQUENCY_SWITCH Word 2 bytes LINEAR11, 2 0x0258 600 0 1500K, (200K to 1500K, 50K steps) 50K steps V 0x35 VIN_ON Word IN in which the device starts 2 0xF814 10 -1 1-80 2 bytes SLINEAR11 V 0x36 VIN_OFF Word IN in which the device stops 2 0xF812 9 -1 1-80 2 bytes SLINEAR11 Set master / slave clock 0° or 180° See 0x37 Interleave Word out of phase. See INTERLEAVE 2 0x0000 0 INTERLEAVE description for detail description Sets the OVP DAC level above VOUT in digital mode 0x40 VOUT_OV_FAULT_LIMIT Word 2 0x0161 0.69 -9 0.3-14 Default analog = 115 % VOUT 2 bytes SLINEAR16 Bit 7, 6 to 11: shut down until fault is disabled bit 3, 4, and 5 - 111: According 0x41 VOUT_OV_FAULT_RESPONSE Word 1 0xF8 All restart continuously to settings bit 0, 1, and 2 - 000: no delay Telemetry warn limit (V) 0x42 VOUT_OV_WARN_LIMIT Word 2 0x0151 0.66 -9 0.3-14 2 bytes SLINEAR16 Telemetry warn limit (V) 0x43 VOUT_UV_WARN_LIMIT Word 2 0x0114 0.54 -9 0-14 2 bytes SLINEAR16 S23-0736-Rev. C, 12-Sep-2023
9Document Number: 71554 For technical questions, contact:
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