LED7707 STMicroelectronics LED Driver IC - High Efficiency Backlight Solution
The LED7707 consists of a high-efficiency monolithic boost converter and a 6-channel current row driver designed specifically for driving arrays of LEDs used in LCD backlighting. Operating from an input voltage range of 4V to 36V, the LED7707 provides highly accurate current matching across all channels, ensuring uniform brightness and extended panel longevity.
Key Technical Specifications & Features
Boost Controller: Integrated high-performance boost supervisor with programmable switching frequency up to 1 MHz.
Current Outputs: 6-channel constant current row sinks, capable of driving up to 85 mA per channel.
Dimming Capability: Supports both analog and PWM dimming down to very low duty cycles without audible noise or flicker.
Advanced Protection Suite:
Open and shorted LED fault detection.
Programmable overvoltage protection (OVP).
Thermal shutdown protection to prevent catastrophic chip failure.
Input overcurrent protection.
Package Options: Available in a thermally enhanced VFQFPN-24 package, optimized for space-constrained PCB layouts.
Typical Applications
High-definition laptop and desktop LCD monitors.
Industrial display panels and human-machine interfaces (HMI).
Automotive infotainment backlighting systems (subject to qualification).
