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PowerBoost1A is a DC/DC boost converter module with voltage

5 V DC output and the function of charging a LiPoly/

LiIon. The PowerBoost1A enables low battery detection,

the maximum output current is 2A and the conversion frequency is

700KHz. The low battery LED indicator lights up red when

voltage drops below 3.2V, optimized for the most common use of

batteries. Operating efficiency of more than 90% in most

cases and low quiescent current: 5mA when enabled and the

power supply is on, 20uA when disabled (the LED of

power supply and low battery are off).