TP4056 Touch Dimming LED Control Board Lithium Charge Protection Infinite Touch Dimming DIY Desk Lamp Circuit Panel

Semi-finishedproduct : No High-concerned chemical : none Electronic : No DIY Supplies : Electrical Brand Name : Stlxy Origin : Mainland China Output Voltage : 3V

Main control scheme: TP4056/TC4056 lithium battery charging management chip+touch dimming control circuit Input interface: Type-C DC5V charging input Compatible battery: Single 3.7V ternary lithium battery, with a cut-off voltage of 4.2V when fully charged Load type: DC LED beads, LED light board Touch logic: Short touch to turn on/off lights; Long press to achieve infinite brightness adjustment Integrated functions: lithium battery charging management, overcharge protection, overdischarge protection, short circuit protection, integrated charging and discharging Power output: 3.7V lithium battery directly drives LED, supporting simultaneous charging and discharging Installation form: Small PCB bare board, suitable for embedding inside the lamp shell, directly replacing the faulty motherboard of old lamps Chip solution: TP4056 / TC4056 lithium charge IC combined with touch dimming circuit. Type‑C DC5V charging input, works with single 3.7V 18650 lithium battery. Touch operation: short tap for ON/OFF, long press for stepless brightness adjustment. All-in-one design: charging management + over-charge / over-discharge / short-circuit protection. Directly drive DC LED panels and LED beads for reading lamps and fill lights. Compact PCB layout for built-in installation inside desk lamp housing. Perfect replacement board to repair broken rechargeable desk lamps. Notice: Match LED power within rated load; avoid reverse battery polarity. label:yes