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TPS2HCS10-Q1 bảng dữ liệu(PDF) 39 Page - Texas Instruments |
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TPS2HCS10-Q1 bảng dữ liệu(HTML) 39 Page - Texas Instruments |
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39 / 121 page ![]() Write <10> to OL_SVBB_EN_CHx bits to enable OL_PU with OL_PU_STR_CHx[1:0] pull-up current Device waits for OL_SVBB_BLANK_CHx[1:0] Channel is disabled CHx_ON = 0 (Version A) ||DIx = 0 (Version B) Is VOUT > VOL_OFF_TH? No o -state open load or short-to- VBB fault SHRT_VBB_CHx = 0 OL_OFF_CHx = 0 OL_SHRT_VBB_OFF_FLT = 0 No Yes Write <01> to OL_SVBB_EN_CHx bits to enable the RSHRT_VBB pull-down resistor (Device rst disables OL_PU pull-up current) Device waits for OL_SVBB_BLANK_CHx[1:0] Is VOUT > VOL_OFF_TH? O -state open load fault exists SHRT_VBB_CHx = 0 OL_OFF_CHx = 0 OL_SHRT_VBB_OFF_FLT = 0 No Yes O -state open load or short-to-VBB fault exists SHRT_VBB_CHx = 0 OL_OFF_CHx = 1 OL_SHRT_VBB_OFF_FLT = 1 O -state short-to-VBB fault exists SHRT_VBB_CHx = 1 OL_OFF_CHx = 0 OL_SHRT_VBB_OFF_FLT = 1 If not already enabled, write <01> to OL_SVBB_EN_CHx bits to enable RSHRT_VBB pull- down resistor to discharge the output capacitor (COUT) Wait t > 5*τ, (where τ = RSHRT_VBB * COUT) Figure 8-20. Logic Flow Chart to Distinguish Between Open Load and Short-to-Battery Faults www.ti.com TPS2HCS10-Q1 SLVSGY2A – OCTOBER 2023 – REVISED OCTOBER 2025 Copyright © 2025 Texas Instruments Incorporated Submit Document Feedback 39 Product Folder Links: TPS2HCS10-Q1 |
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