Co LtdThe HP4054S5-42 with PMIC – Battery Management SOT23-5 RoHS is a highly efficient power management integrated circuit (PMIC) manufactured by Hypower Microelectronics Co Ltd. The device is designed to manage and optimize the charging and discharging process of a battery in order to prolong its lifetime and improve its performance. It is capable of handling battery cells with voltage ranges of 4.2V to 5.0V and can withstand extended operating temperatures from -40°C to 85°C. The device also features low standby current, over-discharge protection, under-voltage lockout protection, over-charge protection, and --short-circuit protection to ensure battery reliability. Furthermore, the device is RoHS compliant and features advanced I2C and SMbus Smart Battery features. It is packaged in a SOT23 ultra-small form factor and is an ideal choice for powering and protecting Li-ion, LCO, LiFePO4, or VL-SBT batteries.