The MIC2282YMM is a high-efficiency, White LED (WLED) driver developed by Microchip Technology, a leading provider of smart, connected, and secure embedded control solutions. This compact device is specifically designed to meet the power management requirements of modern portable devices that incorporate LED backlighting for their displays, such as smartphones, tablets, and digital cameras.
Key Features
- High Efficiency: The MIC2282YMM boasts a high efficiency rate, which is crucial for battery-powered devices, ensuring longer operation time between charges.
- Adjustable Output Voltage: It allows for an adjustable output voltage up to 34V, providing flexibility for different LED configurations and ensuring compatibility with a variety of WLEDs.
- PWM Dimming: The device supports Pulse-Width Modulation (PWM) dimming, which offers precise control over the brightness levels of the LEDs, enhancing visual comfort and user experience.
- Internal Switch: It includes an internal 34V/1.2A switch, eliminating the need for an external FET and reducing the overall component count, which saves space on the PCB.
- Compact Packaging: The MIC2282YMM comes in a compact 10-pin 3mm x 3mm MLF® package, making it an ideal choice for space-constrained applications.
Applications
The MIC2282YMM is versatile and can be used in a variety of applications where efficient WLED driving is required. Some of the common applications include:
- Mobile Phones
- Portable Media Players
- Handheld Gaming Devices
- GPS Units
- Other Portable Devices with LED Backlighting
Technical Specifications
The MIC2282YMM operates over a junction temperature range of -40°C to +125°C and has a wide input voltage range of 2.7V to 5.5V, making it suitable for single-cell lithium-ion/polymer battery applications. Its low quiescent current and high frequency (up to 2MHz) switching capability allow for the use of small external components, further reducing the solution footprint.
Microchip Technology's commitment to quality and performance is evident in the MIC2282YMM, making it a reliable choice for designers looking to enhance the power management of their LED-backlit devices.
