BQ51050 supports 4.2V lithium battery up to 1A charge management.

  • First two pads = + positive BAT
  • seconds two pads right = - negative GND

charge current


  • 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).