Functions:
- Charge / discharge lithium batteries via USB port
- integrated charge and discharge management
- Undervoltage protection
- Short circuit protection at output
- Cell phone charge identification circuit
Overview:
- Input voltage: 3.7V ~ 5.5V
- Charging current: 1A max
- Output current: 1A max
- Output voltage: 5V
- BAT discharge termination voltage: 2.9V
- Preset 4.2V charge voltage with +- 1% accuracy
- Discharge efficiency: 85% (input 3.7V, output 5V / 1A)
- 8uA standby current
- Extremely low static current: entire circuit consumes only 0.1 mA in standby mode
- Charging voltage/current: DC 5 V/1000 mA (when charging, the red light is on; when fully charged, the green light is on)
- USB output voltage/current: DC 5 V/1200 mA
- Charging interface: Micro-USB
- Voltage output: USB-A
- Main chip: 134N3P
- Single board size: 22.7 x 17.4 x 11.1 mm
Notice:
- Do not load the output with more than 1200 mA
- The polarity of the battery must be correct at the terminals B+ and B-!
Scope of delivery:
- 1x 5V charge controller for lithium battery - Micro USB, 134N3P chip, for devices up to 1200 mA
Further links to "5V Step Up Charge Controller for Lithium Battery - 134N3P Chip, 1200 mA, Micro USB & USB-A"
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