New Product Recommendation: Zhongwei Aixin Launches a New Force in Lithium-Ion Battery Charging—the Zhongwei Aixin AiP4057 Series
Introduction
AiP4057 Series adoption SOT23-6 Small package, available in both atmospheric-pressure and high-voltage versions, suitable for TWS Headphones, smart wearables, and various portable devices IoT These devices, along with a variety of other application scenarios, have enriched the product lineup of Zhongwei Aixin’s lithium‑ion battery charging chips.
AiP4057 The series employs the classic trickle-charge method. - Constant current - The constant‑voltage three‑stage charging strategy integrates charge control, state feedback, and multiple safety protection features, significantly reducing the complexity of system design.
Key parameters
Product Advantages
Ultra-compact, space-saving: SOT23-6 Small package, compared to traditional ESOP8 Packaging saves approximately 70% Area is an ideal choice for miniaturized devices.
Flexible selection, comprehensive coverage: AiP4057 Series from atmospheric pressure 800mA To high voltage 40V/800mA, The series‑based design covers a wide range of voltages, from consumer electronics to industrial equipment. / Current demand.
Multi-layered protection for safety and reliability: The entire series features multiple safeguards, including reverse‑battery connection protection, over‑temperature protection, and over‑voltage protection (for high‑voltage models), while the high‑voltage version… AiP4057H、AiP4057UH Support separately 16V/20V Hot-swappable power supply, no additional protection circuit required.
Simple design, cost optimization: the application’s peripheral circuitry is straightforward, effectively reducing… Bill of Materials Cost and Design Complexity
Low power consumption, long battery life: atmospheric pressure 70 mu A and high voltage 100 mu A The standby current and the ultra-low-power mode upon input removal can significantly extend battery storage and standby time.
Pinout Diagram
AiP4057/AiP4057H/AiP4057UH Pinout diagram
Typical Application Diagram
Application areas
Wearable enthusiasts: Bluetooth earphones, smart wristbands, sports watches, and more.
Lifestyle gadgets: e-cigarettes, power banks, electric toothbrushes, and more.
Professional equipment: portable medical devices, electronic toys, etc.
Note: Atmospheric pressure AiP4057 Primarily aimed at 5V USB or adapter-powered consumer electronics
High pressure AiP4057H/AiP4057UH More suitable for in-vehicle OEM applications, industrial handheld devices, medical instruments, and other scenarios with high input voltages or voltage surges.
Conclusion
AiP4057 The addition of this series has enabled Zhongwei Aixin’s lithium‑ion battery charging solutions to cover from… 400mA to 1300mA , from 11V to 40V Its full voltage and current range provides a comprehensive selection for various portable devices.
Zhongwei Aixin AiP4057 Series Naming Conventions As follows:
(Source: Zhongwei Aixin official website)
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