The QW2672/E is a specialized chip designed for efficient flashlight lighting control. Whether you’re building a compact flashlight or a more complex LED system, this chip offers essential features and protection mechanisms.

Here’s what you need to know:

High-Precision Battery Management:

The QW2672/E integrates single-cell lithium battery management, ensuring optimal performance and longevity.

Features include overcharge protection, over-discharge protection, overcurrent protection, battery reverse connection protection, and short circuit protection.

User-Friendly Dimming:

With just one touch switch, you can achieve stepless dimming to any desired brightness level.

Minimal peripheral components are required, simplifying your design process.

Powerful LED Output:

The QW2672/E supports up to 2A drive capability for WLEDs (white LEDs).

You can directly connect a current-limiting resistor to drive a single string of LEDs or use external boost circuits for multiple strings