Features



Constant Voltage MPPT Algorithm, Maximizing Solar Panel Efficiency



7V~30V Wide Solar Panel Input Voltage



Various Charging Mode: Solar/AC Adapter/USB Charger (2A Max Charge Current)



Three Individual ON/OFF Controllable Regulated Power Supply for Low-Power Applications



All Multi-Layer Ceramic Capacitors (MLCC), Safe, Stable and High-Efficiency



Various Protection Functions



USB Connector with ESD Shell

Specifications



Solar Power Management IC: LTC3652



Solar Input Voltage (SOLAR IN)：7V~30V



Battery Input (BAT IN): 3.7V Li-Polymer/Li-ion Battery



Charge Current (USB/SOLAR IN): 2A Max Trickle Charging, Constant Current, Constant Voltage

Three Phases Charging



Charge 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



Regulated Power Supply Efficiency (3.7V battery IN)



OUT1: 90%@10%Load, 86%@50%Load, 80%@90%Load



OUT2: 96%@10%Load；92%@50%Load；87%@90%Load



OUT3 (9V OUT): 88%@10%Load, 89%@50%Load, 86%@90%Load



OUT3 (12V OUT): 87%@10%Load, 88%@50%Load, 82%@90%Load



USB Charge Efficiency: 84%@1A；74%@1.8A



Solar Charge Efficiency (18V SOLAR IN)：78%@1A；72%@1.8A



Maximum Quiescent Current:



Overall：<3 mA



OUT1: <760 uA



OUT2: <560 uA



OUT3: <1.72 mA



Protections



BAT IN: Over Charge Voltage (4.3V)/Over Discharge Voltage (2.4V) /Over Current (3A) /Reverse

Connection Protection



OUT1-OUT3/USB OUT: Short Circuit/Over Current/Over Heat Protection



SOLAR IN: Reverse Connection Protection



Operation Temperature：-40 ～85



Dimension：78.0mm*68.0mm