General Description
The MAX16929 is a highly integrated power supply for automotive TFT-LCD applications. The device integrates one buck converter, one boost converter, one 1.8V/3.3V regulator controller, and two gate voltage regulators. The device comes in several versions to satisfy common automotive power-supply requirements (see the Ordering Information/Selector Guide table).

Features
♦ Operating Voltage Range of 4V to 28V (Buck) or  3V to 5.5V (Boost)
♦ Independent 28V Input Buck Converter Powers  TFT Bias Supply Circuitry and External Circuitry
♦ High-Power (Up to 6W) Boost Output Providing Up  to 18V
♦ 1.8V or 3.3V Regulator Provides 500mA with  External npn Transistor
♦ One Positive-Gate Voltage Regulator Capable of  Delivering 20mA at 28V
♦ One Negative-Gate Voltage Regulator
♦ High-Frequency Operation
    ◇ 2.1MHz (Buck Converter)
    ◇ 2.2MHz (Boost Converter)
♦ Flexible Stand-Alone Sequencing
♦ True Shutdown™ Boost Converter
♦ 6µA Low-Current Shutdown Mode (Buck)
♦ Internal Soft-Start
♦ Overtemperature Shutdown
♦ -40°C to +105°C Operation

Applications
    Automotive Dashboards
    Automotive Central Information Displays
    Automotive Navigation Systems