The ISL24835IRZ is a low power, high voltage TFT-LCD level shifter with VCOM amplifier, manufactured by Intersil (now Renesas). It is designed to provide the necessary voltage levels for driving TFT-LCD panels, including the VCOM voltage.

Applications

• TFT-LCD displays in notebooks, monitors, and televisions
• Portable devices with TFT-LCD screens
• Industrial displays
• Automotive displays

Features

• High voltage operation
• Low power consumption
• Integrated VCOM amplifier
• Gamma correction capabilities
• Overcurrent protection
• Short-circuit protection
• RoHS Compliant

Benefits

• Simplified LCD Panel Driving: Provides all the necessary voltage levels and VCOM amplification for driving TFT-LCD panels, simplifying display system design.
• Improved Display Performance: Gamma correction ensures accurate color reproduction and image quality.
• Reduced Power Consumption: Low power design extends battery life in portable devices.
• Enhanced Reliability: Overcurrent and short-circuit protection enhance system reliability.
• Cost-Effective Solution: Integrates multiple functions into a single chip, reducing component count and system cost.

Additional Details

The ISL24835IRZ generates the required gate-on and gate-off voltages (VGH and VGL) for the TFT-LCD panel. The integrated VCOM amplifier provides a stable and adjustable VCOM voltage, which is critical for image quality. The device typically includes an I2C interface for programming gamma correction settings and other parameters. It is designed for applications requiring high-performance and low-power TFT-LCD display driving. The overcurrent and short-circuit protection features prevent damage to the device and the display panel. The device is available in a small surface-mount package.