BQ51050 supports 4.2V lithium battery up to 1A charge management.
https://www.electrodragon.com/product/wireless-charge-receiver-board-qi/?attribute_pa_qi=bq51050
- First two pads = + positive BAT
- seconds two pads right = - negative GND
charge current
Where
- IBULK is the programmed battery charge current during fast charge mode. When referring to the application diagram shown in Figure 32,
- RILIM is the sum of RFOD and R1 (the total resistance from the ILIM pin to PGND).
https://www.ti.com/lit/ds/symlink/bq51050b.pdf
demo
https://www.youtube.com/shorts/D4PBTednAjU