THOOTR TH7383B solar LED lamp controller IC, Li-ion, 500 mA charge, LED up to 300 mA, SOT23-5

THOOTR TH7383B is an all-in-one solar LED lamp controller: Li-ion battery charging, LED driver, battery protection and light sensing in a single chip.

Supply 2.7–4.2 V (Li-ion), charge current up to 500 mA, LED current 0–300 mA set by resistor, efficiency up to 90 %. Overcharge and over-discharge protection, automatic switch-on by light sensor (Schmitt trigger). SOT23-5 package, −40…+85 °C.

Key features:

• Charging + driver + protection + light sensor
• Li-ion charging up to 500 mA
• LED current 0–300 mA (resistor)
• Efficiency up to 90 %
• Automatic switch-on at dusk

Specifications:

• Input voltage: 2.7–4.2 V (Li-ion)
• Max. charge current: 500 mA
• LED current range: 0–300 mA (resistor)
• Efficiency: up to 90 %
• Battery protection: overcharge / over-discharge
• Auto switch-on: by light sensor (Schmitt)
• Package: SOT23-5
• Temperature range: −40…+85 °C

Application: Solar lawn lamps, garden lights, string lights.

Before ordering: Before ordering, specify the battery capacity, required LED current and quantity.