Other Parts Discussed in Thread: TPS2121
Tool/software:
The use is to simulate the situation of IN1 instantaneous disconnection, the TPS2121EVM-023 demo is set with SS select 1uf (the test is better than another 10nf), PR1 and CP2 are unchanged, and the load selects the on-board resistance. The IN1 battery is 4.1V and the IN2 battery is 3.8V.
Simulate the action of IN1 instantly unplug the battery, the power is cut to IN2, the waveform drop is found to exceed 5us, the test is ms level (about 2.5ms), the load is replaced by the PDA device, this drop leads to the PDA shutdown.
Which parameter in demo can I adjust to enable the TPS2121 to perform us-level switchover?