What is TP4057 Chip?

 The TP4057 is a highly integrated lithium-ion battery charger IC designed for portable applications. It is particularly suitable for single-cell lithium-ion and lithium-polymer batteries, offering an efficient and compact charging solution.  

Key Features:

  1. Constant Current/Constant Voltage (CC/CV) Charging: The TP4057 operates in a CC/CV mode, ensuring that the battery is charged efficiently without overcharging, which enhances battery longevity.

  2. Micro USB Interface: It features a Micro USB interface for easy connectivity and charging from standard USB power sources, making it convenient for portable applications.

  3. Programmable Charge Current: The device allows for adjustable charge current up to 1A, making it flexible for various battery capacities and requirements.

  4. Battery Protection Features: Integrated protections include over-voltage protection (OVP), over-current protection (OCP), and thermal regulation, ensuring safe charging under varying conditions.

  5. Low Power Consumption: The TP4057 is designed for low quiescent current, making it suitable for battery-operated devices where power efficiency is critical.

Applications:

  • Portable Electronics: Commonly used in smartphones, tablets, and other handheld devices that require efficient battery charging.
  • Wearable Devices: Ideal for smartwatches and fitness trackers where compact size and low power consumption are essential.
  • Battery Packs: Suitable for external battery packs and power banks that need reliable charging solutions.
  • IoT Devices: Often found in Internet of Things devices that require long battery life and efficient charging.

Technical Specifications:

  • Operating Voltage: Input voltage range typically from 4.5V to 8V.
  • Charge Current: Programmable up to 1A.
  • Package Type: Available in compact surface mount packages, suitable for space-constrained designs.

The TP4057 is highly regarded for its efficiency, compact size, and integrated features, making it a popular choice for engineers and designers looking to implement reliable battery charging solutions in various portable and consumer electronics applications. Its ability to work with standard USB interfaces simplifies integration and enhances user convenience. 

Search List Page： 

TP4057 Parts Search Page | Datasheet PDF | Price | Quantity-MobikeChip  

Reprinted from: https://www.mobikechip.com/static-product-faq-detail/109.html  

https://www.mobikechip.com/static-blog.html 

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