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LM5064PMH/NOPB Datasheet(PDF) 36 Page - Texas Instruments |
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LM5064PMH/NOPB Datasheet(HTML) 36 Page - Texas Instruments |
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36 / 64 page  LM5064 SNVS718E – JUNE 2011 – REVISED FEBRUARY 2013 www.ti.com STATUS_VOUT (7Ah) The STATUS_VOUT command is a standard PMBus command that returns the value of the VOUT UV Warn flag. Accesses to this command should use the PMBus read byte protocol. To clear bits in this register, the underlying fault should be cleared and a CLEAR_FAULTS command issued. Table 11. STATUS_VOUT Definitions Bit NAME Meaning Default 7 VOUT OV Fault Not Supported, always 0 0 6 VOUT OV Warn Not Supported, always 0 0 5 VOUT UV Warn A VOUT Under-Voltage Warning has occurred 0 4 VOUT UV Fault Not Supported, always 0 0 3 VOUT Max Not Supported, always 0 0 2 TON Max Fault Not Supported, always 0 0 1 TOFF Max Fault Not Supported, always 0 0 0 VOUT Tracking Error Not Supported, always 0 0 STATUS_INPUT (7Ch) The STATUS_INPUT command is a standard PMBus command that returns the value of a number of flags related to input voltage, current, and power. Accesses to this command should use the PMBus read byte protocol. To clear bits in this register, the underlying fault should be cleared and a CLEAR_FAULTS command issued. The VIN UV Warn flag will default to 1 on startup, however, it will be cleared to 0 after the first time the input voltage increases above the resistor-programmed UVLO threshold. Table 12. STATUS_INPUT Definitions Bit NAME Meaning Default 7 VIN OV Fault A VIN Over-Voltage Fault has occurred 0 6 VIN OV Warn A VIN Over-Voltage Warning has occurred 0 5 VIN UV Warn A VIN Under-Voltage Warning has occurred 1 4 VIN UV Fault A VIN Under-Voltage Fault has occurred 0 3 Insufficient Voltage Not Supported, always 0 0 2 IIN OC Fault An IIN Over-Current Fault has occurred 0 1 IIN OC Warn An IIN Over-Current Warning has occurred 0 0 PIN OP Warn A PIN Over-Power Warning has occurred 0 STATUS_TEMPERATURE (7dh) The STATUS_TEMPERATURE is a standard PMBus command that returns the value of the of a number of flags related to the temperature telemetry value. Accesses to this command should use the PMBus read byte protocol. To clear bits in this register, the underlying fault should be cleared and a CLEAR_FAULTS command issued. Table 13. STATUS_TEMPERATURE Definitions Bit NAME Meaning Default 7 Overtemp Fault An Over-Temperature Fault has occurred 0 6 Overtemp Warn An Over-Temperature Warning has occurred 0 5 Undertemp Warn Not Supported, always 0 0 4 Undertemp Fault Not Supported, always 0 0 3 reserved Not Supported, always 0 0 2 reserved Not Supported, always 0 0 1 reserved Not Supported, always 0 0 0 reserved Not Supported, always 0 0 36 Submit Documentation Feedback Copyright © 2011–2013, Texas Instruments Incorporated Product Folder Links: LM5064 |
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