CN3791 Datasheet – Li-ion Battery Charger IC

This is one of the Battery Charger IC types.

Part Number : CN3791

Function : 4A, Standalone Li-ion Battery Charger IC

Package : 10 Pin SSOP Type

Manufactures :

Images :

CN3791 datasheet controller

Description :

The CN3791 is a PWM switch-mode lithium ion battery charger controller that can be powered by
photovoltaic cell with maximum power point tracking function with few external components.


CN3791 pinout


1. Photovoltaic Cell Maximum Power Point Tracking
2. Wide Input Voltage: 4.5V to 28V
3. Complete Charge Controller for single cell Lithium-ion Battery
4. Charge Current Up to 4A
5. High PWM Switching Frequency : 300KHz


1. Power Bank
2. Hand-held Equipment
3. Battery-Backup Systems
4. Portable Industrial and Medical Equipment
5. Standalone Battery Chargers

CN3791 Datasheet


AH3503 Datasheet – Hall-Effect Sensor

This is one of the Hall Sensor types.

Part Number : AH3503

Function : Linear Hall-Effect Sensor

Package : 3 Pin Type

Manufactures : Nanjing AH Electronics

Images :

AH3503 hall sensor

Description :

Integrated circuit includes a voltage regulator, Hall-voltage generator, linear amplifier and emitter-follower out stage. The output of the Ics change linearity with the magnetic flux density of the input.


AH3503 pinout datasheet


1. Extremely Sensitive
2. Flat response to 23kHz
3. Low-Noise Output
4. 4.5V to 6V Operation
5. Magnetically Optimized Package


1. Motion detector
2. Gear tooth sensors
3. Proximity detector
4. Velocity detecting of motor bicycle
5. Current detecting sensor

AH3503 Datasheet