Vin input 3.3V, pin25(CC)and is connected with a Coin Cell battery(3V), +VBAT_1P8/+VBAT_1P1 output 1.8V/1.1V ,but VIN disconnect, only Coin Cell batteries to CC. +VBAT_1P8 / +VBAT_1P1 no output, the schematic diagram where the error, how correct schematic diagram
Hi Wei He53,
Thanks for the post! Have you written the 3 I2C commands to break the freshness seal so that when VIN is lost, VBAT_1P8 and VBAT_1P1 will run off CC? Below is how this can be achieved. Let me know if this works for you. Thanks!
Regards,
Paul Kundmueller
