MAX16923EVKIT#

MAX16923EVKIT# is a MAX16923 evaluation kit (EV kit) which is a fully assembled and tested surface-mount PCB used to evaluate the MAX16923 automotive 4-output display-power solution. The MAX16923 is a 4-channel power-management IC designed to accommodate the main rails used in modern automotive TFT displays. The MAX16923 integrates a high-voltage buck converter that transforms battery voltages into a 5V or 3.3V intermediate rail. In addition, a high-voltage, always-on, low-quiescent-current linear regulator supplies power at 3.3V. The low-voltage section consists of a fully-integrated DC/DC converter and an LDO running off the intermediate rail. A single START control pin initiates the start-up sequence, thereby simplifying device control. The MAX16923’s external PMOSFET control block allows battery voltage to be switched to a downstream device, such as a backlight boost converter. The MAX16923 also embeds a watchdog timer and selectable switching frequencies with spread spectrum.

• 4.5V to 36V wide input voltage range (40V load-dump tolerant)
• One high-voltage 2.1A buck converter (5V or 3.3V)
• One high-voltage 100mA low-IQ linear regulator (3.3V)
• One low-voltage 1.6A buck converter (3.3V, 1.8V, 1.2V, or 1.1V)
• One low-voltage 180mA linear regulator (3.3V, 1.8V, 1.5V or 1.1V)
• Power-good outputs
• Integrated watchdog timer
• Programmable switching frequency (400kHz, 440kHz, 2Mhz, 2.2MHz)
• Spread spectrum, proven PCB layout
• Automotive CISPR25 CLASS5 compliant and fully assembled and tested

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