SouthChip Battery Charger ICs | BeiLuo Distributor

About Battery Charger ICs

High-efficiency linear and switching battery chargers supporting Li-ion, Li-polymer, and LiFePO4 batteries with comprehensive protection features.

As an authorized distributor of SouthChip, BeiLuo provides a comprehensive range of Battery Charger ICs products. These products are widely used in industrial control, automotive electronics, consumer electronics, and communication equipment. We offer a complete product line with multiple series to meet various application requirements. All products are genuine and original, backed by professional technical support and comprehensive after-sales service.

Selection Guide: How to Choose the Right Battery Charger ICs

Product List

4 products available

Part Number ↕	Charge Current ↕	Charge Voltage ↕	Input Voltage ↕	Standby Current ↕	Efficiency ↕	Package ↕	Stock Status	Action
SC4056	Programmable up to 1A	4.2V ±1%	4.5V to 6.5V	<2μA	-	SOP-8	In Stock	View Details
SC8815	Up to 3A	4.2V ±0.5%	4.5V to 12V	-	Up to 95%	QFN-24	In Stock	View Details
SC8905	Up to 5A	4.2V/4.35V/4.4V programmable	4.5V to 22V	-	Up to 97%	QFN-32	In Stock	View Details
SC9017	Up to 280mA	4.2V ±1%	4.5V to 6.5V	<1μA	-	SOT-23-5	In Stock	View Details

Need Battery Charger ICs Products?

Download Datasheet Request Samples Get Quote Contact FAE

Frequently Asked Questions

What battery chemistries do SouthChip chargers support?

SouthChip battery chargers support multiple battery chemistries: (1) Li-ion (Lithium-ion) - Standard 3.7V nominal, 4.2V charge voltage. Most common in consumer electronics. (2) Li-polymer (Lithium-polymer) - Similar to Li-ion with flexible form factors. Same charge profile (4.2V). (3) LiFePO4 (Lithium Iron Phosphate) - 3.2V nominal, 3.6V charge voltage. Safer chemistry with longer cycle life. (4) Charge profiles - Constant current (CC) followed by constant voltage (CV) with configurable charge voltage and termination current. (5) Chemistry selection - Some SouthChip chargers support multiple chemistries with pin-selectable or I2C-programmable charge voltage. Others are fixed for specific chemistries. When selecting a charger, verify the charge voltage matches your battery chemistry. LiFePO4 requires different charge voltage (3.6V) compared to Li-ion/Li-polymer (4.2V). LiTong can help select the appropriate charger for your battery chemistry.

Contact LiTong for battery chemistry compatibility verification and charger selection.

What is the maximum charge current available?

SouthChip offers chargers with various maximum charge current options: (1) Low current (100-500mA) - SC9017 (280mA), SC4056 variants (500mA). Suitable for small batteries (<1000mAh) and low-power applications. (2) Medium current (1-2A) - SC4056 (1A), SC8815 (2A). Good for smartphones and medium-capacity batteries. (3) High current (3-5A) - SC8905 (5A), SC8812 (3A). For fast charging of large batteries (>3000mAh) and power bank applications. (4) Programmable current - Many SouthChip chargers allow charge current programming via external resistor or I2C interface. (5) Thermal consideration - Maximum practical charge current depends on thermal design. Switching chargers handle high current more efficiently than linear chargers. For fast charging applications, select chargers with at least 2A capability. Ensure your power source can deliver the required current and your thermal design can dissipate the heat generated.

Contact LiTong for charge current selection based on your battery capacity and charging time requirements.

Do SouthChip chargers support USB charging?

Yes, SouthChip offers comprehensive USB charging support: (1) USB Standard - BC1.2 compliant detection for USB SDP (500mA), DCP (1.5A), and CDP (1.5A with data). (2) USB-C - Support for USB-C CC (Configuration Channel) detection and orientation detection. (3) USB PD - Some models support USB Power Delivery for high-voltage charging (9V, 12V, 15V, 20V) enabling high-power fast charging. (4) Input current limit - Programmable input current limit to stay within USB power specifications and avoid overloading weak USB sources. (5) D+/D- detection - Automatic detection of USB charger types for optimal charging. (6) USB OTG - Select models support USB On-The-Go, allowing the device to act as USB host while charging. SouthChip USB chargers are ideal for smartphones, tablets, power banks, and any USB-powered devices. Reference designs are available for various USB charging applications.

Contact LiTong for USB charging solution selection and reference design access.

What thermal management features do SouthChip chargers have?

SouthChip chargers include comprehensive thermal management: (1) Thermal regulation - Automatically reduces charge current when die temperature exceeds threshold (typically 120°C). Prevents overheating while maintaining charging. (2) Thermal shutdown - Complete shutdown if temperature reaches unsafe levels (typically 150°C). Automatic recovery when cooled. (3) JEITA compliance - Temperature-dependent charging on select models. Reduces charge current or voltage at high temperatures for battery safety. (4) Thermal pad packages - QFN packages with exposed thermal pads for better heat dissipation to PCB. (5) Efficiency - Switching chargers generate less heat than linear chargers at high currents due to higher efficiency. (6) External thermal monitoring - Some chargers support external NTC thermistor for battery temperature monitoring. Proper PCB layout with adequate copper area for heat dissipation is essential for reliable operation. LiTong can provide thermal design guidance and layout recommendations.

Contact LiTong for thermal design guidance and heat dissipation optimization.

What protection features are integrated in SouthChip chargers?

SouthChip chargers include comprehensive protection features: (1) Input over-voltage protection (OVP) - Protects against adapter over-voltage conditions. Typical threshold 6-7V for 5V input chargers. (2) Battery over-voltage protection - Prevents over-charging by terminating charge if battery voltage exceeds threshold. (3) Over-current protection (OCP) - Limits charge current to programmed maximum. Foldback current limiting during faults. (4) Short-circuit protection - Fast response to output short-circuit with automatic recovery. (5) Over-temperature protection (OTP) - Thermal shutdown if die temperature exceeds safe limits. (6) Safety timer - Terminates charging if not completed within programmed time window (typically 6-10 hours). (7) Reverse polarity protection - Some models protect against reverse battery connection. (8) Input under-voltage lockout (UVLO) - Prevents operation with insufficient input voltage. These protections ensure safe and reliable battery charging under various fault conditions.

Contact LiTong for protection feature details and safety system design.