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MPF7100BVBA2ES Datasheet(PDF) 33 Page - NXP Semiconductors |
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MPF7100BVBA2ES Datasheet(HTML) 33 Page - NXP Semiconductors |
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33 / 125 page  NXP Semiconductors PF7100 7-channel power management integrated circuit for high performance applications PF7100 All information provided in this document is subject to legal disclaimers. © NXP B.V. 2021. All rights reserved. Product data sheet Rev. 4 — 9 March 2021 33 / 125 Table 24. Regulator control during fault event bits Regulator Bit to disable the regulator during current limit Bit to disable the regulator during undervoltage Bit to disable the regulator during overvoltage SW1 SW1_ILIM_STATE SW1_UV_STATE SW1_OV_STATE SW2 SW2_ILIM_STATE SW2_UV_STATE SW2_OV_STATE SW3 SW3_ILIM_STATE SW3_UV_STATE SW3_OV_STATE SW4 SW4_ILIM_STATE SW4_UV_STATE SW4_OV_STATE SW5 SW5_ILIM_STATE SW5_UV_STATE SW5_OV_STATE LDO1 LDO1_ILIM_STATE LDO1_UV_STATE LDO1_OV_STATE LDO2 LDO2_ILIM_STATE LDO2_UV_STATE LDO2_OV_STATE ILIM faults are debounced for 1.0 ms before they can be detected as a fault condition. If the regulator is programed to disable upon an ILIM condition, the regulator turns off as soon as the ILIM condition is detected. OV/UV faults are debounced as programmed by the OV_DB and UV_DB registers, before they are detected as a fault condition. If the regulator is programmed to disable upon an OV or UV, the regulator turns off if the fault persists for longer than 300 µs after the OV/UV fault has been detected. RegX_STATE = 0 && Regx_FLT_REN = 0 ILIM fault RegX_STATE = 0 && Regx_FLT_REN = 0 OV/UV fault User Enabled 300 µs PGOOD REGx I_REGx REGx_EN RegX_PG REGx_EN REGx User Enabled ILIM 1 ms aaa-028057 Figure 13. Regulator turned off upon with RegX_STATE = 0 and FLT_REN = 0 When a regulator is programmed to disable upon an OV, UV, or ILIM fault, a bit is provided to decide whether a regulator can return to its previous configuration or remain disabled when the fault condition is cleared. SWx_FLT_REN / LDOx_FLT_REN • 0 = regulator remains disabled after the fault condition is cleared or no longer present • 1 = regulator returns to its previous state if fault condition is cleared |
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