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MP2935 датащи(PDF) 39 Page - Monolithic Power Systems |
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MP2935 датащи(HTML) 39 Page - Monolithic Power Systems |
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39 / 42 page ![]() MP2935 — 4-PHASE PWM CONTROLLER FOR VR12.5 APPLICATIONS MP2935 Rev. 1.02 www.MonolithicPower.com 39 8/25/2015 MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited. © 2015 MPS. All Rights Reserved. VID code is within 10mV or 1 VID step from the target voltage. DVID is the enable signal of VRSETTLE comparator. The sensed output voltage is compared to the DAC output to determine VRSETTLE signal when the DVID is asserted. SVID Address To support multiple MP2935 used on the same SVID bus, use the ADDR pin to program the SVID address for each MP2935. There is a 10μA current on the ADDR pin; connect a resistor from ADDR pin to ground to set the ADDR voltage. The internal ADC converts the pin voltage to set the SVID address. Table 6 shows the SVID address for different resistor values from ADDR pin to ground. Address 0xE and 0xF are reserved as an “All Call” address used for the CPU to communicate with all slave devices on the bus. Table 6: SVID Address vs ADDR Resistor RADDR (kΩ) Address (HEX) 0 0x0 11.8 0x1 19.6 0x2 28 0x3 35.7 0x4 44.2 0x5 51.1 0x6 59 0x7 68.1 0x8 80.6 0x9 88.7 0xA 95.3 0xB 105 0xC 133 0xD |
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