DIY – How to make a power bank by yourself

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How to make a safe and efficient power bank? The safety and performance of power bank is critical. It’s easy to DIY a power bank, but how to select the key control IC for your power bank?

The most important part is the IC’s protection function and conversion efficiency. A highly integrated IC also reduces the complexity and cost of the circuit board, and brings better experience to consumers.

Richtek’s RT9480 EZPBS™ Power Bank IC has built-in Over Voltage Protection, Output Short Circuit Protect, Over Current Protection, supports Charge and Discharge at the Same Time, Dynamic Power Management, Temperature Regulation, Auto-recharge, Battery Temperature Sensing, and meets JEITA charging guidelines. Contact Ricthk’s sales or distributors to get datasheet, design supports or evaluation boards (EVB).