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LM5056APMH/NOPB Datasheet(PDF) 17 Page - Texas Instruments |
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LM5056APMH/NOPB Datasheet(HTML) 17 Page - Texas Instruments |
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17 / 46 page  LM5056, LM5056A www.ti.com SNVS827A – OCTOBER 2012 – REVISED APRIL 2013 PMBus™ Command Support The device features an SMBus interface that allows the use of PMBus commands to set warn levels, error masks, and get telemetry on VIN, VOUT, IIN, VAUX, and PIN. The supported PMBus commands are shown in Table 1. Table 1. PMBus™ Command Support NUMBER DEFAULT CODE NAME FUNCTION R/W OF DATA VALUE BYTES Clears the status registers and re-arms the black box 03h CLEAR_FAULTS Send Byte 0 registers for updating. 19h CAPABILITY Retrieves the device capability. R 1 B0h Retrieves or stores output under-voltage, warn-limit 43h VOUT_UV_WARN_LIMIT R and W 2 0000h threshold. Retrieves or stores over-temperature, fault-limit 0960h 4Fh OT_FAULT_LIMIT R and W 2 threshold. (150°C) Retrieves or stores over-temperature, warn-limit 07D0h 51h OT_WARN_LIMIT R and W 2 threshold. (125°C) Retrieves or stores input over-voltage, warn-limit 57h VIN_OV_WARN_LIMIT R and W 2 0FFFh threshold. Retrieves or stores input under-voltage, warn-limit 58h VIN_UV_WARN_LIMIT R and W 2 0000h threshold. 78h STATUS_BYTE Retrieves information about the parts operating status. R 1 01h 79h STATUS_WORD Retrieves information about the parts operating status. R 2 1801h 7Ah STATUS_VOUT Retrieves information about output voltage status. R 1 00h 7Ch STATUS_INPUT Retrieves information about input status. R 1 00h 7Dh STATUS_TEMPERATURE Retrieves information about temperature status. R 1 00h 7Eh STATUS_CML Retrieves information about communications status. R 1 00h 80h STATUS_MFR_SPECIFIC Retrieves information about default status. R 1 10h 88h READ_VIN Retrieves input voltage measurement. R 2 0000h 8Bh READ_VOUT Retrieves output voltage measurement. R 2 0000h 8Dh READ_TEMPERATURE_1 Retrieves temperature measurement. R 2 0190h 4Eh 99h MFR_ID Retrieves manufacturer ID in ASCII characters (NSC). R 3 53h 43h 4Ch 4Dh 35h Retrieves Part number in ASCII characters. 30h 9Ah MFR_MODEL R 8 (LM5056/LM5056A/LM5056/LM5056AA). 35h 36h 00h 00h Retrieves part revision letter and number in ASCII 41h 9Bh MFR_REVISION R 2 (e.g., AA). 41h MFR_SPECIFIC_00 D0h Retrieves auxiliary voltage measurement. R 2 0000h MFR_READ_VAUX MFR_SPECIFIC_01 D1h Retrieves input current measurement. R 2 0000h MFR_READ_IIN MFR_SPECIFIC_02 D2h Retrieves input power measurement. R 2 0000h MFR_READ_PIN MFR_SPECIFIC_03 D3h Retrieves or stores input-current-limit warn threshold. R and W 2 0FFFh MFR_IIN_OC_WARN_LIMIT MFR_SPECIFIC_04 D4h Retrieves or stores input-power-limit warn threshold. R and W 2 0FFFh MFR_PIN_OP_WARN_LIMIT MFR_SPECIFIC_05 D5h Retrieves measured peak-input-power measurement. R 2 0000h MFR_READ_PIN_PEAK Copyright © 2012–2013, Texas Instruments Incorporated Submit Documentation Feedback 17 Product Folder Links: LM5056 LM5056A |
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