MAX20781FAFC+

Full Half-Bridge (H Bridge) Drivers Overview

The MAX20781FAFC+ is a single-phase power stage integrated circuit manufactured by Analog Devices Inc./Maxim Integrated. It features a half-bridge output configuration and is designed for synchronous buck converter applications. The device operates with a supply voltage range of 1.71V to 1.98V or 4.5V to 16V, supporting load voltages from 0.25V to 2.3V. It delivers a peak output current of 130A and an output current per channel of 86A. Packaged in a 12-FC2QFN (3.25x7.4) surface-mount format, it functions within a temperature range of -40°C to 125°C.

Full Half-Bridge (H Bridge) Drivers Feature Summary

• Integrates PWM interface control with bootstrap circuitry and diode emulation capabilities
• Includes comprehensive fault protection mechanisms such as overcurrent, overtemperature, overvoltage, and under-voltage lockout
• Provides status flag outputs for system monitoring

Full Half-Bridge (H Bridge) Drivers Applications

• Synchronous buck converters
• High-current point-of-load regulation
• Industrial power management systems

Full Half-Bridge (H Bridge) Drivers Procurement Notes

Verify the specific suffix 'FAFC' against official manufacturer documentation to confirm pinout compatibility and electrical specifications. Ensure the selected variant matches the required input voltage range and thermal performance for the target application environment. Cross-reference the package dimensions with PCB footprint libraries prior to procurement.

Full Half-Bridge (H Bridge) Drivers Selection Notes

Select this component for designs requiring high peak current handling in a compact form factor. Evaluate the thermal dissipation requirements given the 12-FC2QFN package size and operating temperature limits. Confirm that the control interface aligns with the system's PWM controller and that the fault protection thresholds meet the safety requirements of the power stage.

Full Half-Bridge (H Bridge) Drivers Part Context

This part belongs to the Maxim Integrated power stage family, which combines gate drivers and power MOSFETs into a single solution. These components are engineered to simplify power supply design by reducing component count and board space. The MAX20781 series specifically targets applications needing robust protection and high efficiency in small footprints.

Full Half-Bridge (H Bridge) Drivers Replacement Considerations

Consult the manufacturer's substitution guide for verified alternatives. Check for compatible packages and electrical ratings if direct replacements are unavailable.