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ISL8274M bảng dữ liệu(PDF) 36 Page - Renesas Technology Corp |
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ISL8274M bảng dữ liệu(HTML) 36 Page - Renesas Technology Corp |
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36 / 81 page  FN8931 Rev.1.00 Page 36 of 81 Jan 4, 2018 ISL8274M 6. PMBus Command Summary 6. PMBus Command Summary Command Code Command Name Description Type Data Format Default Value Default Setting Page 00h PAGE Selects Controller 0, 1, or both. R/W Byte BIT 00h Channel 1 page 42 01h OPERATION Sets Enable, Disable, and VOUT Margin modes. R/W Byte BIT page 42 02h ON_OFF_CONFIG Configures the EN pin and PMBus commands to turn the unit ON/OFF. R/W Byte BIT 17h Hardware Pin Enable, immediate off page 42 03h CLEAR_FAULTS Clears fault indications. SEND Byte page 43 15h STORE_USER_ALL Stores all PMBus values written since last restore at user level. SEND Byte page 43 16h RESTORE_USER_ALL Restores PMBus settings that were stored using STORE_USER_ALL. SEND Byte page 43 20h VOUT_MODE Preset to defined data format of VOUT commands. READ Byte BIT 13h Linear Mode, Exponent = -13 page 43 21h VOUT_COMMAND Sets the nominal value of the output voltage. R/W Word L16u Pin-strap page 44 23h VOUT_CAL_OFFSET Applies a fixed offset voltage to the VOUT_COMMAND. R/W Word L16s 0000h 0V page 44 24h VOUT_MAX Sets the maximum possible value of VOUT. 110% of pin-strap VOUT. R/W Word L16u 1.1*VOUT Pin-strap page 44 25h VOUT_MARGIN_HIGH Sets the value of the VOUT during a margin high. R/W Word L16u 1.05*VOUT Pin-strap page 44 26h VOUT_MARGIN_LOW Sets the value of the VOUT during a margin low. R/W Word L16u 0.95*VOUT Pin-strap page 45 27h VOUT_TRANSITION_RATE Sets the transition rate during margin or other change of VOUT. R/W Word L11 BA00h 1V/ms page 45 28h VOUT_DROOP Sets the loadline (V/I Slope) resistance for the rail. R/W Word L11 0000h 0mV/A page 45 33h FREQUENCY_SWITCH Sets the switching frequency. R/W Word L11 Pin-strap page 45 37h INTERLEAVE Configures a phase offset between devices sharing a SYNC clock. R/W Word BIT 0021h(Ch1) /0022(Ch2) 180° phase shift between Ch1/Ch2 page 46 38h IOUT_CAL_GAIN Sense resistance for inductor DCR current sensing. R/W Word L11 B2C3(Ch1)/ B2D7(Ch2) 0.69mΩ (Ch1)/ 0.7mΩ (Ch2) page 46 39h IOUT_CAL_OFFSET Sets the current-sense offset. R/W Word L11 B529(Ch1)/ BDDC(Ch2) -0.71A(Ch1)/ -1.07A(Ch2) page 46 |
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