Maxim Integrated MAX1551EZT+T Battery Charger IC

The MAX1551EZT+T from Maxim Integrated is a highly efficient, single-cell, lithium-ion (Li+) battery charger IC designed to operate with USB and AC adapter power sources. It's an ideal solution for portable devices such as smartphones, tablets, cameras, and other USB-powered electronics. This compact charger IC is specifically tailored to simplify the charging process by integrating key features that enhance charging speed, safety, and overall battery management.

Key Features

• Input Voltage Range: The MAX1551EZT+T operates over a wide input voltage range, making it versatile for use with various power supplies.
• Charge Current Regulation: It can regulate charge current up to 280mA from USB inputs and up to 1A from AC adapters, allowing for fast and efficient charging.
• Automatic Power Source Detection: The IC automatically detects the power source type and adjusts the charging parameters accordingly, optimizing the charging process for the connected power source.
• Thermal Regulation: To prevent overheating, the MAX1551EZT+T features thermal regulation that reduces charge current during high-temperature conditions, ensuring safe operation and prolonging the life of the battery.
• Charge Status Outputs: It provides status outputs to indicate the charging process stages, which can be used to drive external LEDs or interface with a microcontroller.
• Protection Features: The device includes various protection features such as overvoltage protection, short-circuit protection, and battery temperature monitoring for safe and reliable charging.

Compact and Efficient Design

The MAX1551EZT+T comes in a small, 6-pin lead-free TDFN package, making it an excellent choice for space-constrained applications. Its high level of integration reduces the need for external components, minimizing the overall solution footprint and simplifying the design process.

Applications

With its advanced features and compact size, the MAX1551EZT+T is well-suited for a variety of applications, including:

• Portable Medical Devices
• Bluetooth Headsets
• Handheld Instruments
• Portable Media Players
• Other Small-Sized Consumer Electronics

The MAX1551EZT+T is an efficient and reliable solution for designers looking to implement a robust charging system in their portable device designs. Its ease of use and comprehensive feature set make it a top choice for modern battery charging applications.