BS21ENSW22NC3NC4PGND25PGND26PGND17PGND18NC9ENSW110NC11BS112PWM113ENHSD14SYNCOUT15SYNCIN16VINSW117VINSW118FRDIV19VDOUT20FBSW121COMP122SGND23VDIN24NC25VINHSD26VINHSD27HSD28HSD29VDDLY30FBLDO31VOUTLDO32VOUTLDO33NC34LDOOK35LDOOKDLY36VINLDO37COMP238FBSW239SWGND140VBAT41SW1OKDLY42TEST43SW1OK44VINSW245VINSW246ENLDO47PWM248EP49