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MP2884A Datasheet(PDF) 53 Page - Monolithic Power Systems |
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MP2884A Datasheet(HTML) 53 Page - Monolithic Power Systems |
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53 / 107 page  MP2884A – DIGITAL PWM CONTROLLER WITH PMBUS AND PWM-VID MP2884A Rev. 1.01 www.MonolithicPower.com 53 12/25/2018 MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited. © 2018 MPS. All Rights Reserved. 7:4 TSNS_T_ALT_DST_ THRE Digital threshold of the over-temperature warning de-assertion from TSNS. TSNS_T_ALT_DST_THRE = Rt_dst x 10µA x 16 /1.6V 3:0 OT_WARN_DST_THRE Digital threshold of the over-temperature warning deassertion from VTEMP. 16°C/LSB. MFR_SYS_CONFIG (44h) This register sets the system configuration. Command MFR_SYS_CONFIG Format Unsigned binary Bit 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 Access r/w r/w r/w r/w r/w r/w r/w r/w r/w r/w r/w r/w r/w r/w r/w r/w Function x Bits Bit Name Description 15:12 DGTL_UVP_LEVEL Threshold of digital Vo_UVP. 32mV/LSB 11 DGTL_UVP_EN Enable bit of digital Vo_UVP. 0: disable 1: enable 10 OC_BLK_UVP_EN Enable bit for blocking analog Vo_UVP when any phase's current reaches the per-phase-valley-current limit (the internal OC signal rises high). 1: block 0: do not block 9 ANA_UVP_DIS Enable bit of analog Vo_UVP. 1: disable 0: enable 8:7 OC_DGLTCH_FOR_ DGTL_UVP Deglitch time of the internal OC signal which is boolean and with a digital UV signal to trigger digital Vo_UVP. 00: 800ns 01: 1000ns 10: 1200ns 11: force the internal OC signal high 6 AC_LL_ACTIVATE_ MODE AC droop loop activation mode. 1: activate AC Droop loop when soft-start begins. 0: activate AC Droop loop once the controller finishes POR. 5 RESERVED Unused. X indicates that writes are ignored and reads are always 0. 4 PHASE_CURRENT_ RESOLUTION Resolution selector for per-phase current report and protection. 0: original resolution 1: half resolution (double range) 3 TOTAL_CURRENT_ RESOLUTION Resolution selector for total current report, protection, warning, and auto-phase shedding (APS) levels. 0: original resolution 1: half resolution (double range) |
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