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5 PCS LANTIAN 4 In 1 2.1A 4.2V Charge Discharger DC-DC Boost Converter
3.7V To 5V UPS RC PDB Board
5 PCS LANTIAN 4 In 1 2.1A 4.2V Charge Discharger DC-DC Boost Converter 3.7V to 5V UPS PDB BoardBS301CV is a multifunctional 3.7V/4.2V Mobile Power Diy module, 3 in 1 Function: charge, discharge and battery protection.It is very suitable for DIY mobile power.Specification:Brand name:LANTIANItem model:BS301CVCharge voltage: DC 4.65V-5.5VCharging current: 0-2.1ACharge quiescent current: 100uAFull charge voltage: 4.2V+-1%.Discharge current: 0-2.4A;Discharge quiescent current: 50uADischarge conversion efficiency: maximum 96%Output voltage: 5VOutput current: 0-2.1A;Operating ambient temperature: -20 to +85Size: 25.2 x 16 x 4mmWeight: 2gComes with battery protection, do not need battery protection board(if your battery comes with a protective board, it does not matter)Overcurrent
protection(OCP)Overvoltage protection(OVP)Short circuit protection(SCP)Over temperature protection(OTP)Button modeThe button duration is longer than 50ms, but less than 2s, which is a short press action. Short press will turn on the battery indicator and boost output.The two consecutive short presses within 1 s will turn off the boost output and power display. Pin description:1 VIN: Charging port +2 GND: Charging port -3 GND: Battery port -4 BAT: Battery port +5 GND: Output port -6 VOUT: Output port +7 KEY: Output trigger port(Low pulse trigger)1 In discharge mode(In the charging mode, the KEY function is invalid), the KEY Trigger once, turn on the output;Continuous trigger twice: turn off the
protection(OCP)Overvoltage protection(OVP)Short circuit protection(SCP)Over temperature protection(OTP)Button modeThe button duration is longer than 50ms, but less than 2s, which is a short press action. Short press will turn on the battery indicator and boost output.The two consecutive short presses within 1 s will turn off the boost output and power display. Pin description:1 VIN: Charging port +2 GND: Charging port -3 GND: Battery port -4 BAT: Battery port +5 GND: Output port -6 VOUT: Output port +7 KEY: Output trigger port(Low pulse trigger)1 In discharge mode(In the charging mode, the KEY function is invalid), the KEY Trigger once, turn on the output;Continuous trigger twice: turn off the
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