Maxim Integrated's MAX16928AGUP/V+: Automotive TFT-LCD Power Supply

The MAX16928AGUP/V+ is a highly integrated power supply IC designed by Maxim Integrated specifically for automotive Thin Film Transistor Liquid Crystal Displays (TFT-LCDs). This advanced chip is engineered to meet the rigorous demands of in-vehicle infotainment systems, navigation displays, and instrument cluster screens, among other automotive applications. Its robust design ensures reliability and performance in the harsh automotive environment.

Key Features

• High Integration: The MAX16928AGUP/V+ integrates a boost converter, two linear regulators, a gate voltage regulator, and a VCOM buffer, reducing the need for external components and simplifying the power supply design for TFT-LCD panels.
• Automotive Grade: Designed to comply with automotive standards, this IC is capable of operating across a wide temperature range and is resilient against the electrical disturbances typically found in automotive environments.
• Flexible Power Sequencing: The device offers programmable sequencing for the panel's power rails, ensuring that each voltage comes up and goes down in the proper order for safe and reliable operation.
• Spread Spectrum Frequency Modulation: To minimize electromagnetic interference (EMI), a critical factor in automotive applications, the MAX16928AGUP/V+ features spread spectrum frequency modulation for the boost converter.
• High Efficiency: The power supply operates with high efficiency, which is essential for reducing thermal stress and ensuring longevity in the confined spaces of automotive interiors.

Protection Features

• Overvoltage Protection: Built-in overvoltage protection guards the TFT-LCD and the IC against damage due to unexpected voltage spikes.
• Thermal Shutdown: The device includes thermal shutdown protection, which prevents overheating by shutting down the IC if the junction temperature exceeds safe limits.
• Under-Voltage Lockout (UVLO): The UVLO feature ensures that the IC operates only when the input voltage is within its specified range, protecting against low-voltage conditions.

The MAX16928AGUP/V+ is available in a compact, 28-pin TSSOP package, making it suitable for space-constrained automotive applications. With its comprehensive feature set and robust protection mechanisms, this power supply IC from Maxim Integrated is an ideal solution for powering the next generation of automotive TFT-LCD displays.