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MAX8688 - Digital Power-Supply Controller/Monitor

General Description

The MAX8688 is a fully integrated digital power-supply controller and monitor IC that works with any existing POL (point-of-load) power supply to provide complete digital programmability.

Key Features

  • o PMBus Interface for Programming, Monitoring, Sequencing Up and Down, and Accurate OutputVoltage Control o Controls Output Voltage with 0.2% Accuracy for Line, Load, and Temperature Variations o Output Voltage, Output Current, and Temperature Monitoring with Adjustable Monitor Rate o Current Measurement with 2.6% Accuracy and Temperature Compensation Option o Programmable Soft-Start and Soft-Stop Ramp Rates o Controls Up to 26 Power Supplies with Hardwired Address Pins and Up to 127 POLs with S.

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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19-3201; Rev 0; 1/08 www.DataSheet4U.com ION KIT AT EVALU BLE A V A ILA Digital Power-Supply Controller/Monitor with PMBus Interface General Description The MAX8688 is a fully integrated digital power-supply controller and monitor IC that works with any existing POL (point-of-load) power supply to provide complete digital programmability. By interfacing to the reference input, feedback node, and output enable, the MAX8688 takes control of the POL to provide functions such as perfect tracking, sequencing, margining, and dynamic adjustment of the output voltage. The MAX8688 offers an accurate 12-bit analog-to-digital converter (ADC) accompanied with two differential amplifiers for accurately monitoring both voltage and current.