ZHCSHN4D February 2018 – September 2021 TPS1H200A-Q1
PRODUCTION DATA
When a current limit occurs, the TPS1H200A-Q1 device supports three different outcomes of the output. Table 7-1 lists the current limit configurations and these outcomes behaviors.
| MODE | DELAY CONFIGURATION | OUTPUT CURRENT BEHAVIOR | FAULT RECOVERY |
|---|---|---|---|
| Holding | Connects to GND directly | When hitting a current limit, the output current holds at the setting current. The device enters into thermal shutdown mode when TJ > T(SD). | FAULT clears when IN turns low for a duration of time longer than t FAULT or when the current limit is removed when IN is high. |
| Latch-off | Connects to GND through a capacitor | When hitting a current limit, the output current holds at the setting current,
but latches off after a preset DELAY time (tdl1+
tdl2). tdl1 is the default delay time, and
tdl2 is a capacitor-configurable delay time. The output stays latched off regardless of whether the current limit is removed. The output recovers only when IN is toggling. | FAULT clears when IN turns low for a duration of time longer than t FAULT. |
| Auto-retry | External pullup | When hitting a current limit, the output current holds at the setting current, but periodically comes on for thic(on) and turns off for thic(off). | FAULT clears when IN turns low for a duration of time longer than t FAULT OR when the current limit is removed for thic(on). |