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MCT8317A Scheda tecnica(PDF) 56 Page - Texas Instruments |
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MCT8317A Scheda tecnica(HTML) 56 Page - Texas Instruments |
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56 / 161 page  Table 8-1. Fault Action and Response (continued) FAULT CONDITION CONFIGURATION REPORT PRE_DRIVER DIGITAL RECOVERY Cycle by Cycle Current Limit (CBC_ILIMIT) VSOX > CBC_ILIMIT CBC_ILIMIT_MODE = 0000b nFAULT and CONTROLLER_FA ULT_STATUS register Recirculation Active Automatic: Next PWM cycle CBC_ILIMIT_MODE = 0001b None Recirculation Active Automatic: Next PWM cycle CBC_ILIMIT_MODE = 0010b nFAULT and CONTROLLER_FA ULT_STATUS register Recirculation Active Automatic: VSOX < ILIMIT CBC_ILIMIT_MODE = 0011b None Recirculation Active Automatic: VSOX < ILIMIT CBC_ILIMIT_MODE = 0100b nFAULT and CONTROLLER_FA ULT_STATUS register Recirculation Active Automatic: PWM cycle > CBC_RETRY_PWM_CYC CBC_ILIMIT_MODE = 0101b None Recirculation Active Automatic: PWM cycle > CBC_RETRY_PWM_CYC CBC_ILIMIT_MODE= 0110b CONTROLLER_FA ULT_STATUS register Active Active No action CBC_ILIMIT_MODE = 0111b, 1xxxb None Active Active No action Lock-Detection Current Limit (LOCK_ILIMIT) VSOX > LOCK_ILIMIT LOCK_ILIMIT_MODE = 0000b nFAULT and CONTROLLER_FA ULT_STATUS register Hi-Z Active Latched: CLR_FLT LOCK_ILIMIT_MODE = 0001b nFAULT and CONTROLLER_FA ULT_STATUS register Recirculation Active Latched: CLR_FLT LOCK_ILIMIT_MODE = 0010b nFAULT and CONTROLLER_FA ULT_STATUS register High-side brake Active Latched: CLR_FLT LOCK_ILIMIT_MODE = 0011b nFAULT and CONTROLLER_FA ULT_STATUS register Low-side brake Active Latched: CLR_FLT LOCK_ILIMIT_MODE = 0100b nFAULT and CONTROLLER_FA ULT_STATUS register Hi-Z Active Retry: tLCK_RETRY LOCK_ILIMIT_MODE = 0101b nFAULT and CONTROLLER_FA ULT_STATUS register Recirculation Active Retry: tLCK_RETRY LOCK_ILIMIT_MODE = 0110b nFAULT and CONTROLLER_FA ULT_STATUS register High-side brake Active Retry: tLCK_RETRY LOCK_ILIMIT_MODE = 0111b nFAULT and CONTROLLER_FA ULT_STATUS register Low-side brake Active Retry: tLCK_RETRY LOCK_ILIMIT_MODE= 1000b CONTROLLER_FA ULT_STATUS register Active Active No action LOCK_ILIMIT_MODE = 1xx1b None Active Active No action IPD Timeout Fault (IPD_T1_FAULT and IPD_T2_FAULT) IPD TIME > 500ms (approx), during IPD current ramp up or ramp down — nFAULT and CONTROLLER_FA ULT_STATUS register Hi-Z Active Latched: CLR_FLT IPD Frequency Fault (IPD_FREQ_FAULT ) IPD pulse before the current decay in previous IPD — nFAULT and CONTROLLER_FA ULT_STATUS register Hi-Z Active Latched: CLR_FLT Over temperature warning (OTW) TJ > TOTW — nFAULT and CONTROLLER_FA ULT_STATUS register Hi-Z Active Automatic: TJ < TOTW – TOTW_HYS MCT8317A SLLSFQ2 – JANUARY 2023 www.ti.com 56 Submit Document Feedback Copyright © 2023 Texas Instruments Incorporated Product Folder Links: MCT8317A |
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