Datasheet SiC951 (Vishay) - 10
| Manufacturer | Vishay |
| Description | 4.5 V to 20 V Input, 25 A MicroBRICK DC/DC Regulator Module With PMBus Interface |
| Pages / Page | 28 / 10 — SiC951. PMBus COMMAND COMM. PMBus. COMM. # DATA. DEFAULT. EXP. VALID. … |
| File Format / Size | PDF / 3.1 Mb |
| Document Language | English |
SiC951. PMBus COMMAND COMM. PMBus. COMM. # DATA. DEFAULT. EXP. VALID. DESCRIPTION. CODES. COMMANDS. STRUCT. BYTES. VALUE. (FIXED). VALUES
Model Line for this Datasheet
Text Version of Document
SiC951
www.vishay.com Vishay Siliconix
PMBus COMMAND COMM. PMBus COMM. # DATA DEFAULT EXP. VALID DESCRIPTION DEFAULT CODES COMMANDS STRUCT. BYTES VALUE (FIXED) VALUES
Sets the UVP in digital mode (V) 0x44 VOUT_UV_FAULT_LIMIT Word Default analog = 20 % VOUT 2 0x00F5 0.48 -9 0-14 2 bytes SLINEAR16 Bit 7 and 6 - 10: shut down with hiccup bit 3, 4, and 5 - 111: According 0x45 VOUT_UV_FAULT_RESPONSE Byte 1 0xB9 All restart continuously to settings bit 0,1, and 2 - 001: delay 20 ms Cycle by cycle temperature 0x46 IOUT_OC_FAULT_LIMIT Word compensated OCP detector (A) 2 0xF83C 30 -1 0-127 2 bytes LINEAR11 exp. -1 Bit 7 and 6 - 10: Continue for number of pulses set by event count than hiccup forever According 0x47 IOUT_OC_FAULT_RESPONSE Byte bit 3, 4, and 5 - 100: 1 0xA1 All to settings 128 OCP counts bit 0, 1, and 2 - 001: delay 20 ms Over temperature limit (°C), 0x4f OT_FAULT_LIMIT 35 °C hysteresis 2 0x007D 125 0 0-150 2 bytes LINEAR11 exp. -1 Bit 7 and 6 - 10: shut down with hiccup bit 3, 4, and 5 - 111: According 0x50 OT_FAULT_RESPONSE Byte 1 0xB9 All restart continuously to settings bit 0, 1, and 2 - 001: delay 20 ms Telemetry warn limit (°C) 0x51 OT_WARN_LIMIT Word 2 0x0069 105 0 0-150 2 bytes LINEAR11 exp. 0 V 0x55 VIN_OV_FAULT_LIMIT Word IN OV fault limit (V) 2 0xF81E 15 -1 1-80 2 bytes LINEAR11 Bit 7 and 6 - 10: shut down with hiccup bit 3, 4 and 5 - 111: According 0x56 VIN_OV_FAULT_RESPONSE Byte 1 0xB8 All restart continuously to settings bit 0, 1, and 2 - 000: no delay Telemetry warn limit (V) 0x58 VIN_UV_WARN_LIMIT Word 2 0xF812 9 -1 1-80 2 bytes LINEAR11 POWER GOOD high threshold (V) 0x5e POWER_GOOD_ON Word 2 0x0123 0.57 -9 0.24-14 2 bytes SLINEAR16 POWER GOOD low threshold (V) 0x5F POWER_GOOD_OFF Word 2 0x0114 0.54 -9 0.24-14 2 bytes SLINEAR16 Delay from ON (ms) 0x60 TON_DELAY Word 2 0x0000 0 0 0-127 2 bytes LINEAR11 Rise time (ms) 0x61 TON_RISE Word 2 0x0005 5 0 0-127 2 bytes LINEAR11 Time until UV/PGOOD is reached (ms) 0x62 TON_MAX_FAULT_LIMIT Word Selectable by MFR_OP_MODE 2 0x0014 20 0 0-127 2 bytes LINEAR11 Bit 7 and 6 - 10: shut down with hiccup Shutdown / bit 3, 4, and 5 - 000: Shutdown shutdown 0x63 TON_MAX_FAULT_RESPONSE Byte no restart until faults cleared by user 1 0x81 until fault until fault (latched) is disabled is bit 0, 1, and 2 - 001: disabled delay 20 ms Delay from OFF (ms) 0x64 TOFF_DELAY Word 2 0x0000 0 0 0-127 2 bytes LINEAR11 S23-0736-Rev. C, 12-Sep-2023
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Document Number: 71554 For technical questions, contact: powerictechsupport@vishay.com THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc?91000
www.vishay.com Vishay Siliconix
PMBus COMMAND COMM. PMBus COMM. # DATA DEFAULT EXP. VALID DESCRIPTION DEFAULT CODES COMMANDS STRUCT. BYTES VALUE (FIXED) VALUES
Sets the UVP in digital mode (V) 0x44 VOUT_UV_FAULT_LIMIT Word Default analog = 20 % VOUT 2 0x00F5 0.48 -9 0-14 2 bytes SLINEAR16 Bit 7 and 6 - 10: shut down with hiccup bit 3, 4, and 5 - 111: According 0x45 VOUT_UV_FAULT_RESPONSE Byte 1 0xB9 All restart continuously to settings bit 0,1, and 2 - 001: delay 20 ms Cycle by cycle temperature 0x46 IOUT_OC_FAULT_LIMIT Word compensated OCP detector (A) 2 0xF83C 30 -1 0-127 2 bytes LINEAR11 exp. -1 Bit 7 and 6 - 10: Continue for number of pulses set by event count than hiccup forever According 0x47 IOUT_OC_FAULT_RESPONSE Byte bit 3, 4, and 5 - 100: 1 0xA1 All to settings 128 OCP counts bit 0, 1, and 2 - 001: delay 20 ms Over temperature limit (°C), 0x4f OT_FAULT_LIMIT 35 °C hysteresis 2 0x007D 125 0 0-150 2 bytes LINEAR11 exp. -1 Bit 7 and 6 - 10: shut down with hiccup bit 3, 4, and 5 - 111: According 0x50 OT_FAULT_RESPONSE Byte 1 0xB9 All restart continuously to settings bit 0, 1, and 2 - 001: delay 20 ms Telemetry warn limit (°C) 0x51 OT_WARN_LIMIT Word 2 0x0069 105 0 0-150 2 bytes LINEAR11 exp. 0 V 0x55 VIN_OV_FAULT_LIMIT Word IN OV fault limit (V) 2 0xF81E 15 -1 1-80 2 bytes LINEAR11 Bit 7 and 6 - 10: shut down with hiccup bit 3, 4 and 5 - 111: According 0x56 VIN_OV_FAULT_RESPONSE Byte 1 0xB8 All restart continuously to settings bit 0, 1, and 2 - 000: no delay Telemetry warn limit (V) 0x58 VIN_UV_WARN_LIMIT Word 2 0xF812 9 -1 1-80 2 bytes LINEAR11 POWER GOOD high threshold (V) 0x5e POWER_GOOD_ON Word 2 0x0123 0.57 -9 0.24-14 2 bytes SLINEAR16 POWER GOOD low threshold (V) 0x5F POWER_GOOD_OFF Word 2 0x0114 0.54 -9 0.24-14 2 bytes SLINEAR16 Delay from ON (ms) 0x60 TON_DELAY Word 2 0x0000 0 0 0-127 2 bytes LINEAR11 Rise time (ms) 0x61 TON_RISE Word 2 0x0005 5 0 0-127 2 bytes LINEAR11 Time until UV/PGOOD is reached (ms) 0x62 TON_MAX_FAULT_LIMIT Word Selectable by MFR_OP_MODE 2 0x0014 20 0 0-127 2 bytes LINEAR11 Bit 7 and 6 - 10: shut down with hiccup Shutdown / bit 3, 4, and 5 - 000: Shutdown shutdown 0x63 TON_MAX_FAULT_RESPONSE Byte no restart until faults cleared by user 1 0x81 until fault until fault (latched) is disabled is bit 0, 1, and 2 - 001: disabled delay 20 ms Delay from OFF (ms) 0x64 TOFF_DELAY Word 2 0x0000 0 0 0-127 2 bytes LINEAR11 S23-0736-Rev. C, 12-Sep-2023
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Document Number: 71554 For technical questions, contact: powerictechsupport@vishay.com THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc?91000
