The MAX1502CETJ+T from Maxim Integrated is a highly efficient, single-cell, lithium-ion (Li+) battery charger controller that provides a compact and robust charging solution for portable electronics. This advanced IC is designed to operate with minimal external components, making it ideal for space-constrained applications such as smartphones, tablets, wearables, and other handheld devices.
Key Features
- Integrated FET: The MAX1502CETJ+T integrates a high-performance FET to provide high-efficiency charging and reduce external component count.
- Programmable Charge Current: Users can set the charge current up to 2A through an external resistor, allowing for flexibility across different battery capacities and charging profiles.
- Thermal Regulation: This feature protects the battery and circuitry by reducing charge current if the die temperature exceeds a safe threshold.
- Charge Safety Timer: The built-in safety timer automatically terminates charging after a predetermined period to prevent overcharging and enhance safety.
- Small Package: The device comes in a tiny, lead-free, 28-pin TQFN package with a 5mm x 5mm footprint, which is suitable for compact PCB layouts.
Performance and Protection
The MAX1502CETJ+T ensures safe and efficient charging through a variety of protective features. These include undervoltage lockout, battery temperature monitoring, and overvoltage protection. Its precise voltage regulation maintains optimal battery health and longevity.
Easy Integration
Designed for seamless integration, the MAX1502CETJ+T provides a simple interface for system integration. It supports a range of input voltages and is compatible with various power sources, including USB and AC adapters.
Applications
With its versatile feature set, the MAX1502CETJ+T is well-suited for a broad spectrum of single-cell Li+ battery-powered applications, where efficient charging and space-saving are critical. It is an ideal choice for designers looking to enhance the charging capabilities of their next-generation portable devices.