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Description
- 78.0mm x 68.0mm
- Solar power management IC: LTC3652
- Solar input voltage (SOLAR IN): 7V~30V
- Battery input (BAT IN): 3.7V single cell Li-polymer/Li-ion battery
- Charge current (USB/SOLAR IN): 2A Max
- Charging cutoff voltage (USB/SOLAR IN): 4.2V±1%
- MPPT setting voltages: OFF/9V/12V/18V
- USB IN voltage: 5V
- Regulated power supply: OUT1=5V 1.5A; OUT2=3.3V 1A; OUT3=9V/12V 0.5A
- Operation temperature:-40℃~85℃
Regulated power supply efficiency (3.7V battery IN)
- OUT1: 86%@50%Load
- OUT2: 92%@50%Load
- OUT3 (9V OUT): 89%@50%Load
- USB charge efficiency: 84%@1A
- Solar charge efficiency (18V SOLAR IN):78%@1A
Maximum quiescent current: <3 mA
Protections
- BAT IN: over charge /over discharge /over current /reverse connection protection
- OUT1-OUT3/USB OUT: short circuit/over current/over heat protection
- SOLAR IN: reverse connection protection
Applications
- Smart solar environment monitor system
- Solar powered robot
- Small solar street lamp
- Solar power bank