DC LED with charging protection TC4056 TP4056 touch dimming lamp control panel DIY repair general desk lamp circuit
PARAMETERS
It is suitable for the use of single bulb voltage of 3V, multiple parallel
connection, maximum drive output of about 1A, using S12302 NMOS
tube, on-board lithium battery charge management and precision
protection chip, especially using 4KHZ frequency PWM, single-channel
DC LED touch-controlled stepless dimming IC, basically no flicker;
with power supply automatic switching function, when external power
supply is connected, no electricity is used. Battery serves as power
supply, which is supplied by external power supply and charged at the
same time. When the external power supply is unplugged, it is
automatically converted to battery power supply to ensure that the
battery can be filled correctly. Low power LDO is also used to provide
working voltage for touch control chip to cope with any complex
working environment calmly.
