MAX8688BHETG+

Power Supply Controllers, Monitors Overview

The MAX8688BHETG+ is a digital power-supply controller and monitor designed to interface with existing point-of-load (POL) converters. It operates within an input voltage range of 3 V to 3.6 V, drawing a typical supply current of 8.5 mA. The device features a 12-bit ADC for accurate voltage and current monitoring, alongside a 12-bit DAC for dynamic output adjustment with 0.2% accuracy over temperature. It supports PMBus communication and includes internal fault detection for overvoltage, undervoltage, overcurrent, reverse-current, and overtemperature conditions.

Power Supply Controllers, Monitors Feature Summary

• Provides complete digital programmability for existing POL power supplies via PMBus interface
• Enables precise tracking, sequencing, margining, and dynamic voltage adjustment using integrated 12-bit ADC and DAC
• Offers closed-loop operation for superior regulation accuracy and comprehensive system monitoring

Power Supply Controllers, Monitors Applications

• Digital control of point-of-load (POL) power supplies
• System-level power management requiring precise voltage tracking and sequencing
• Applications necessitating dynamic voltage margining and real-time current monitoring

Power Supply Controllers, Monitors Procurement Notes

Verify component authenticity through authorized Analog Devices or Maxim Integrated distributors due to limited availability status. Confirm package integrity and pin alignment for the TQFN-EP-24 configuration prior to assembly. Review latest datasheet revisions for any updates to electrical characteristics or recommended operating conditions. Ensure compliance with RoHS directives and environmental regulations applicable to your region before finalizing procurement orders.

Power Supply Controllers, Monitors Selection Notes

Select this component when digital control and monitoring of existing analog POL converters are required without replacing the power stage. The integrated 12-bit ADC and DAC facilitate high-precision margining and dynamic adjustments. Consider the 8.5 mA supply current and 3 V to 3.6 V operating range for compatibility with system rails. The PMBus interface allows integration with standard power management software tools for simplified development and configuration.

Power Supply Controllers, Monitors Part Context

The MAX8688 belongs to the MAX8688 series of digital power-supply controllers. It complements other Maxim Integrated PMICs by adding a digital layer to traditional analog power stages. This family focuses on enhancing system reliability through advanced monitoring and programmable fault handling capabilities.

Power Supply Controllers, Monitors Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation.