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LTM4677 Datasheet(PDF) 41 Page - Analog Devices |
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LTM4677 Datasheet(HTML) 41 Page - Analog Devices |
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41 / 110 page  LTC3888-1 41 Rev. 0 For more information www.analog.com PMBUS COMMAND SUMMARY Table 7. PMBus Command Summary COMMAND NAME CMD CODE DESCRIPTION TYPE PAGED DATA FORMAT UNITS NVM DEFAULT VALUE SEE PAGE PAGE 0x00 Channel (page) presently selected for any paged command. R/W Byte N Reg 0x00 67 OPERATION 0x01 On, off and margin control. R/W Byte Y Reg l 0x80 71 ON_OFF_CONFIG 0x02 RUN pin and PMBus on/off command configuration. R/W Byte Y Reg l 0x1E 70 CLEAR_FAULTS 0x03 Clear all set fault bits. Send Byte N 91 PAGE_PLUS_WRITE 0x05 Write a command directly to a specified page. W Block N 67 PAGE_PLUS_READ 0x06 Read a command directly from a specified page. Block R/W Process N 68 WRITE_PROTECT 0x10 Protect the device against unintended PMBus modifications. R/W Byte N Reg l 0x00 68 STORE_USER_ALL 0x15 Store entire operating memory in EEPROM. Send Byte N 102 RESTORE_USER_ALL 0x16 Restore entire operating memory from EEPROM. Send Byte N 102 CAPABILITY 0x19 Summary of supported optional PMBus features. R Byte N Reg 0xB0 69 SMBALERT_MASK 0x1B Mask ALERT activity. Block R/W Y Reg l see CMD details 99 VOUT_TRANSITION_RATE 0x27 Slew rate for VFB (default) or VOUT soft-on/ off and margining, including changes to VOUT_COMMAND. R/W Word Y L11 V/ms l 0.25 AA00 88 FREQUENCY_SWITCH 0x33 PWM frequency control. R/W Word N L11 kHz l 500kHz 0xFBE8 72 VIN_ON 0x35 Minimum input voltage to begin power conversion. R/W Word N L11 V l 6.5V 0xCB40 78 VIN_OFF 0x36 Decreasing input voltage at which power conversion stops. R/W Word N L11 V l 6.0V 0xCB00 78 IOUT_CAL_GAIN 0x38 Ratio of ISENSE voltage to sensed current. R/W Word Y L11 mΩ l 5mΩ 0xCA80 81 VOUT_OV_FAULT_RESPONSE 0x41 Fault response for VOUT overvoltage and power stage fault. R Byte Y Reg 0x80 95 VOUT_UV_FAULT_RESPONSE 0x45 VOUT undervoltage fault response. R/W Byte Y Reg l 0xB8 96 IOUT_OC_FAULT_LIMIT 0x46 Output overcurrent fault limit. R/W Word Y L11 A l 29.75A 0xDBB8 82 IOUT_OC_FAULT_RESPONSE 0x47 Output overcurrent fault response. R/W Byte Y Reg l 0x00 97 IOUT_OC_WARN_LIMIT 0x4A Output overcurrent warning limit. R/W Word Y L11 A l 20.0A 0xDA80 82 OT_FAULT_LIMIT 0x4F External overtemperature fault limit. R/W Word Y L11 °C l 100.0°C 0xEB20 85 OT_FAULT_RESPONSE 0x50 External overtemperature fault response. R/W Byte Y Reg l 0xB8 98 OT_WARN_LIMIT 0x51 External overtemperature warning limit. R/W Word Y L11 °C l 85.0°C 0xEAA8 85 |
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