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ADP1050ACPZ-R7 数据表(PDF) 47 Page - Analog Devices |
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ADP1050ACPZ-R7 数据表(HTML) 47 Page - Analog Devices |
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47 / 93 page  ADP1050 Data Sheet PMBus COMMAND SET Table 11. PMBus/SMBus Command List Overview Command Code Command Name PMBus/ SMBus Transaction Type Number of Data Bytes Default Value1 Description 0x01 OPERATION R/W 1 0x00 Turns the unit on and off in conjunction with the input from the CTRL pin. 0x02 ON_OFF_CONFIG R/W 1 0x00 The combination of CTRL pin and serial bus commands needed to turn the unit on and off. 0x03 CLEAR_FAULTS Send byte 0 N/A Clears all bits in the PMBus status registers simultaneously. 0x10 WRITE_PROTECT R/W 1 0x00 Protects against accidental writes to the PMBus device. Reads are allowed. 0x12 RESTORE_DEFAULT_ALL Send byte 0 N/A Downloads the factory default settings from EEPROM (Page 0) to registers. 0x15 STORE_USER_ALL Send byte 0 N/A Saves the user settings from the registers to the EEPROM (Page 1). 0x16 RESTORE_USER_ALL Send byte 0 N/A Downloads the user settings from the EEPROM (Page 1) to the registers. 0x19 CAPABILITY R 1 0x20 Allows the host system to determine the capabilities of the PMBus device. 0x20 VOUT_MODE R 1 0x16 Sets/reads the formats for the output voltage related commands. 0x21 VOUT_COMMAND R/W 2 0x0000 Sets the output voltage to the commanded value. 0x22 VOUT_TRIM R/W 2 0x0000 Applies a fixed offset voltage to the output voltage command value. 0x23 VOUT_CAL_OFFSET R/W 2 0x0000 Applies a fixed offset voltage to the output voltage command value. 0x24 VOUT_MAX R/W 2 0x0000 Sets an upper limit on the output voltage. 0x25 VOUT_MARGIN_HIGH R/W 2 0x0000 Defines the voltage to which the output is set when the OPERATION command is set to margin high. 0x26 VOUT_MARGIN_LOW R/W 2 0x0000 Defines the voltage to which the output is set when the OPERATION command is set to margin low. 0x27 VOUT_TRANSITION_RATE R/W 2 0x7BFF Sets the rate at which the output changes voltage. 0x29 VOUT_SCALE_LOOP R/W 2 0x0001 The scale factor for setting the output voltage, which is related to the resistor divider. 0x2A VOUT_SCALE_MONITOR R/W 2 0x0001 The scale factor for the READ_VOUT command, which typically is the same as the VOUT_SCALE_LOOP command. 0x33 FREQUENCY_SWITCH R/W 2 0x0031 Sets the switching frequency of the output voltage. 0x35 VIN_ON R/W 2 0x0000 Sets the input voltage at which the unit starts the power conversion. 0x36 VIN_OFF R/W 2 0x0000 Sets the input voltage at which the unit stops the power conversion. 0x40 VOUT_OV_FAULT_LIMIT R/W 2 0x0000 Sets the limit for triggering the VOUT_OV_FAULT flag. 0x41 VOUT_OV_FAULT_RESPONSE R/W 1 0x00 The fault response for the VOUT_OV_FAULT flag. 0x44 VOUT_UV_FAULT_LIMIT R/W 2 0x0000 Sets the limit for triggering the VOUT_UV_FAULT flag. 0x45 VOUT_UV_FAULT_RESPONSE R/W 1 0x00 The fault response for the VOUT_UV_FAULT flag. 0x4F OT_FAULT_LIMIT R/W 2 0x0000 Sets the limit for triggering the OT_FAULT flag. 0x50 OT_FAULT_RESPONSE R/W 1 0x00 The fault response for the OT_FAULT flag. 0x5E POWER_GOOD_ON R/W 2 0x0000 Sets the output voltage at which an optional POWER_GOOD signal is asserted. 0x5F POWER_GOOD_OFF R/W 2 0x0000 Sets the output voltage at which an optional POWER_GOOD signal is negated. Rev. A | Page 46 of 92 |
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