Power chip

LM2574 SIMPLE SWITCHER 0.5A Step-Down Voltage Regulator

Isolated power module: input range DC9~36V/4:1, output 12V, 20W, isolation voltage greater than 1.5kV, 2*1 inch international standard, industrial grade, TDK20 series module power efficiency up to 90%, DIP: 50.8*25.4* 12mm

LM5020 13-100V Wide Vin, Current Mode PWM Boost Controller

36V Voltage Detector 6-SOT-23-THIN -40 to 125

TPS25921A 4.5V-18V Fuse with Precision Current Limit

1W, constant voltage input, unregulated single output, 1500V isolation

I2C Port (Address 2) 1 to 4 Cells NVDC Buck/Boost Battery Charge Controller with USB Type C PD Support 32-QFN -40 to 85

Input: 5V Output: 15V