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MP5990 датащи(PDF) 40 Page - Monolithic Power Systems |
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MP5990 датащи(HTML) 40 Page - Monolithic Power Systems |
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40 / 72 page ![]() MP5990 – 16V, 50A, 1mΩ, INTELLIGENT HOT-SWAP SOLUTION WITH PMBUS MP5990 Rev. 1.1 MonolithicPower.com 40 4/19/2024 MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited. © 2024 MPS. All Rights Reserved. VIN_OV_FAULT_LIMIT (55h) The VIN_OV_FAULT_LIMIT command sets the VIN over-voltage (OV) fault limit. Command VIN_OV_FAULT_LIMIT Format Unsigned binary Bit 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 Access R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W Function X X X X X X X X X VIN_OV_FAULT_LIMIT Bits Bit Name Description 15:7 RESERVED Unused. X indicates that writes are ignored and reads are always 0. 6:0 VIN_OV_FAULT_LIMIT Sets the VIN OV fault threshold, calculated with the following equation: VIN OV threshold = VIN_OV_FAULT_LIMIT x Resolution Where VIN_OV_FAULT_LIMIT is bits[6:0] of this command and Resolution is determined by C4h, bit[6] and E7h, bit[7]. 500mV/LSB when C4h, bit[6] = 0 and E7h, bit[7] = 0; supports up to 64V 250mV/LSB when C4h, bit[6] = 0 and E7h, bit[7] = 1; supports up to 32V 125mV/LSB when C4h, bit[6] = 1; supports up to 16V VIN_OV_WARN_LIMIT (57h) The VIN_OV_WARN_LIMIT command sets the VIN over-voltage (OV) warning limit. Command VIN_OV_WARN_LIMIT Format Unsigned binary Bit 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 Access R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W Function X X X X X X X X X VIN_OV_WARN_LIMIT Bits Bit Name Description 15:7 RESERVED Unused. X indicates that writes are ignored and reads are always 0. 6:0 VIN_OV_WARN_LIMIT Set the VIN OV warning threshold, calculated with the following equation: VIN OV warning = VIN_OV_WARN_LIMIT x Resolution. Where VIN_OV_WARN_LIMIT is bits[6:0] of this command and Resolution is determined by C4h, bit[6] and E7h, bit[7]. 500mV/LSB when C4h, bit[6] = 0 and E7h, bit[7] = 0; supports up to 64V 250mV/LSB when C4h, bit[6] = 0 and E7h, bit[7] = 1; supports up to 32V 125mV/LSB when C4h, bit[6] = 1; supports up to 16V VIN_UV_WARN_LIMIT (58h) The VIN_UV_WARN_LIMIT command sets the VIN under-voltage warning (UVW) limit. Command VIN_UV_WARN_LIMIT Format Unsigned binary Bit 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 Access R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W Function X X X X X X X X X VIN_UV_WARN_LIMIT Bits Bit Name Description 15:7 RESERVED Unused. X indicates that writes are ignored and reads are always 0. |
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