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TPS2HCS10-Q1 데이터시트(PDF) 29 Page - Texas Instruments |
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TPS2HCS10-Q1 데이터시트(HTML) 29 Page - Texas Instruments |
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29 / 121 page ![]() Latch-Off Behavior - No Capacitive Charging Mode (CAP_CHRG_CHx = 00) If LATCH_CHx = 1 and CAP_CHRG_CHx = 00 and the IOCP level is exceeded, the device will latch-off and will not retry until the CHx_ON bit (version A) is toggled or the DIx pin (version B) is toggled or the LATCH_CHx bit is toggled. Upon resetting the latch either through an output toggle or through the LATCH_CHx bit toggle, the channel will start up into the inrush period if configured. Figure 8-9 below shows the latch behavior if a hot short circuit occurs during steady state operation with LATCH_CHx = 1. Figure 8-10 shows the latch behavior if the channel starts into a short circuit event in the inrush period. IOCP Normal operation Output enabled, short circuit event occurs FLT CHx_ON or DIx IOUT1 Latch operation Short-circuit event removed 0A 0V 0V Normal operation Channel toggled Figure 8-9. Hot Short During Steady State Operation with CAP_CHRG_CHx = 00, Latch-Off (LATCH_CHx = 1) IOCP Inrush period operation Output is enabled into a short circuit FLT CHx_ON or DIx IOUT1 Latch operation Channel remains off until LATCH_CHx is toggled or channel is toggled 0A 0V 0V Normal operation Channel toggled Figure 8-10. Start into a Short Circuit Event with CAP_CHRG_CHx = 00, Latch-Off (LATCH_CHx = 1) Auto Retry Behavior - Current Limit Regulation Charging Mode (CAP_CHRG_CHx = 10) If a short circuit event occurs in steady state operation with CAP_CHRG_CHx = 10 and LATCH_CHx = 0, after the channel turns off and tRETRY expires the device will retry into the inrush period with the current limit regulation www.ti.com TPS2HCS10-Q1 SLVSGY2A – OCTOBER 2023 – REVISED OCTOBER 2025 Copyright © 2025 Texas Instruments Incorporated Submit Document Feedback 29 Product Folder Links: TPS2HCS10-Q1 |
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