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ADP1050ACPZ-R7 数据表(PDF) 26 Page - Analog Devices |
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ADP1050ACPZ-R7 数据表(HTML) 26 Page - Analog Devices |
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26 / 93 page  Data Sheet ADP1050 POWER MONITORING, FLAGS, AND FAULT RESPONSES The ADP1050 has extensive system and fault condition monitoring capabilities for the sensed signals. The system monitoring functions include current, voltage, power, and temperature readings. The fault conditions include out-of-limit values for current, voltage, power, and temperature. The limits for the fault conditions are programmable, and flags are set when the limits are exceeded. FLAGS The ADP1050 has an extensive set of flags, including the PMBus standard flags and manufacturer specific flags, that are set when certain limits, thresholds are exceeded or certain conditions are met. A setting of 1 indicates that a fault or warning event has occurred. A setting of 0 indicates that a fault or warning event has not occurred. PMBus Standard Flags Figure 28 shows a summary of the ADP1050 PMBus standard fault status registers. The CLEAR_FAULTS command (Register 0x03) is used to clear all bits in the PMBus status registers (Register 0x78 to Register 0x7E) simultaneously. Manufacturer Specific Flags Register 0xFEA0 to Register 0xFEA2 store the manufacturer specific flags. These flags include the following: • Housekeeping flags, such as CHIP_PASSWORD_ UNLOCKED, VDD_OV, EEPROM_UNLOCKED, and CRC_FAULT. • Flags that can be programmed for protection responses, such as CS3_OC_FAULT and FLAGIN. • Status flags, such as PGOOD, SYNC_LOCKED, CHIP_ID, PULSE_SKIPPING, modulation, and SOFT_START_FILTER. For detailed descriptions of these flags, see the Manufacturer Specific Fault Flag Registers section. 7 VOUT_OV_FAULT 7 VIN_OV_FAULT 6 VOUT_OV_WARNING 6 VIN_OV_WARNING 5 VOUT_UV_WARNING 5 VIN_UV_WARNING 4 VOUT_UV_FAULT 4 VIN_UV_FAULT 3 VOUT_MAX WARNING 15 VOUT 3 VIN_LOW 2 TON_MAX_FAULT 14 IOUT 2 IIN_OC_FAST_FAULT 1 TOFF_MAX_WARNING 13 INPUT 1 IIN_OC_WARNING 0 VOUT TRACKING ERROR 12 MFR_SPECIFIC 0 PIN_OP_WARNING 11 POWER_GOOD 10 FANS 9 OTHER 8 UNKNOWN 7 IOUT_OC_FAULT 7 MANUFACTURER DEFINED 6 IOUT_OC_LV_FAULT 6 MANUFACTURER DEFINED 5 IOUT_OC_WARNING 5 MANUFACTURER DEFINED 4 IOUT_UC_FAULT 4 MANUFACTURER DEFINED 3 CURRENT SHARE FAULT 3 MANUFACTURER DEFINED 2 IN POWER LIMITING MODE 7 BUSY 2 MANUFACTURER DEFINED 1 POUT_OP_FAULT 6 POWER_OFF 1 MANUFACTURER DEFINED 0 POUT_OP_WARNING 5 VOUT_OV_FAULT 0 MANUFACTURER DEFINED 4 IOUT_OC_FAULT 3 VIN_UV_FAULT 2 TEMPERATURE 1 CML 7 OT_FAULT 0 NONE OF THE ABOVE 7 FAN 1 FAULT 6 OT_WARNING 6 FAN 2 FAULT 5 UT_WARNING 5 FAN 1 WARNING 4 UT_FAULT 4 FAN 2 WARNING 3 RESERVED 3 FAN 1 SPEED OVERRIDE 2 RESERVED 2 FAN 2 SPEED OVERRIDE 1 RESERVED 1 AIR FLOW FAULT 0 RESERVED 0 AIR FLOW WARNING 7 CMD_ERR 7 RESERVED 7 FAN 3 FAULT 6 DATA_ERR 6 RESERVED 6 FAN 4 FAULT 5 PACKET ERROR CHECK FAILED 5 INPUT A FUSE/BREAKER FAULT 5 FAN 3 WARNING 4 MEMORY FAULT DETECTED 4 INPUT B FUSE/BREAKER FAULT 4 FAN 4 WARNING 3 PROCESSOR FAULT DETECTED 3 INPUT A OR’ING DEVICE FAULT 3 FAN 3 SPEED OVERRIDE 2 RESERVED 2 INPUT B OR’ING DEVICE FAULT 2 FAN 4 SPEED OVERRIDE 1 COMM_ERR 1 OUTPUT OR’ING DEVICE FAULT 1 RESERVED 0 OTHER MEMORY OR LOGIC FAULT 0 RESERVED 0 RESERVED STATUS_OTHER STATUS_IOUT (REG 0x7B) STATUS_VOUT (REG 0x7A) STATUS_TEMPERATURE (REG 0x7D) STATUS_WORD (REG 0x79) (UPPER BYTE OF STATUS_WORD) STATUS_FANS_3_4 STATUS_INPUT (REG 0x7C) STATUS_MFR_SPECIFIC STATUS_FANS_1_2 STATUS_CML (REG 0x7E) STATUS_BYTE (REG 0x78) (LOWER BYTE OF STATUS_WORD) Figure 28. Summary of the Fault Status Registers (Only the Commands in Black Are Supported by the ADP1050; the Commands in Gray are Not Supported.) Rev. A | Page 25 of 92 |
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