Power chip

LP5912 Ultralow Noise, 500mA Linear Regulator for RF and Analog Circuits 6-WSON -40 to 125

Automotive Capacitorless 300mA LDO Regulator with Foldback Current Limit for Portable Devices 5-SOT-23 -40 to 125

TL2843 Current Mode PWM Controller

Single-cell lithium-ion battery charging dedicated IC, this chip (TP4056X) is an improved type, compared with Tuowei's old version TP4056, it is mainly increased: with battery positive and negative polarity reverse connection protection, input power positive and negative polarity reverse connection protection.

TPS3828 Processor Supervisory Circuit