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LTM4677 Datasheet(PDF) 80 Page - Analog Devices |
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LTM4677 Datasheet(HTML) 80 Page - Analog Devices |
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80 / 116 page  LTC3883/LTC3883-1 80 Rev. F For more information www.analog.com PMBus COMMAND DETAILS The IOUT_OC_FAULT_LIMIT is ignored during TON_RISE and TOFF_FALL. This command has two data bytes and is formatted in Linear_5s_11s format. Input Current Calibration COMMAND NAME CMD CODE DESCRIPTION TYPE DATA FORMAT UNITS NVM DEFAULT VALUE MFR_IIN_CAL_GAIN 0xE8 The resistance value of the input current sense element in mΩ. R/W Word L11 mΩ Y 5.000 0xCA80 MFR_IIN_CAL_GAIN The IOUT_CAL_GAIN command is used to set the resistance value of the input current sense resistor in milliohms. (see also READ_IIN). This command has two data bytes and is formatted in Linear_5s_11s format. Input Current COMMAND NAME CMD CODE DESCRIPTION TYPE DATA FORMAT UNITS NVM DEFAULT VALUE IIN_OC_WARN_LIMIT 0x5D Input overcurrent warning limit. R/W Word L11 A Y 10.0 0xD280 IIN_OC_WARN_LIMIT The IIN_OC_WARN_LIMIT command sets the value of the input current, in amperes, that causes a warning indicating the input current is high. The READ_IIN value will be used to determine if this limit has been exceeded. In response to the IIN_OC_WARN_LIMIT being exceeded, the device: • Sets the OTHER bit in the STATUS_BYTE • Sets the INPUT bit in the upper byte of the STATUS_WORD • Sets the IIN Overcurrent Warning bit in the STATUS_INPUT command, and • Notifies the host by asserting ALERT pin This condition is detected by the ADC so the response time may be up to 80ms. This command has two data bytes and is formatted in Linear_5s_11s format. TEMPERATURE External Temperature Calibration COMMAND NAME CMD CODE DESCRIPTION TYPE DATA FORMAT UNITS NVM DEFAULT VALUE MFR_TEMP_1_GAIN 0xF8 Sets the slope of the external temperature sensor. R/W Word CF Y 1.0 0x4000 MFR_TEMP_1_OFFSET 0xF9 Sets the offset of the external temperature sensor with respect to –273.1°C. R/W Word L11 C Y 0.0 0x8000 MFR_TEMP_1_GAIN The MFR_TEMP_1_GAIN command will modify the slope of the external temperature sensor to account for non-idealities in the element and errors associated with the remote sensing of the temperature in the inductor. This command has two data bytes and is formatted in 16-bit 2’s complement integer. N = 8192 to 32767. The effective adjustment is N • 2–14. The nominal value is 1. |
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