MAX20781DAFC+

Full Half-Bridge (H Bridge) Drivers Overview

The MAX20781DAFC+ is a single-phase, 12V power stage integrated circuit manufactured by Analog Devices Inc. under the Maxim Integrated brand. It functions as a half-bridge driver and synchronous buck converter controller housed in a compact 12-FC2QFN package measuring 3.25mm by 7.4mm. The device supports supply voltages ranging from 1.71V to 1.98V for logic and 4.5V to 16V for the power stage. It delivers peak output currents up to 130A with an output current per channel of 86A. Designed for surface-mount installation, it operates within a temperature range of -40°C to +125°C and features PWM interface compatibility.

Full Half-Bridge (H Bridge) Drivers Feature Summary

• Integrates half-bridge driver and synchronous buck converter control in a single compact package
• Provides high peak output current capability suitable for demanding power applications
• Includes comprehensive fault protection mechanisms such as over-temperature, over-voltage, and undervoltage lockout
• Supports bootstrap circuits and diode emulation for efficient synchronous rectification

Full Half-Bridge (H Bridge) Drivers Applications

• Synchronous buck converter implementations
• High-density point-of-load (POL) regulation modules
• Industrial power supply systems requiring robust fault protection

Full Half-Bridge (H Bridge) Drivers Procurement Notes

Verify the exact suffix DAFC against the official Analog Devices datasheet to confirm pinout and thermal pad configuration. Check current availability status through authorized distributors as lead times may vary. Ensure the selected variant matches the required voltage and current specifications for the target application design.

Full Half-Bridge (H Bridge) Drivers Selection Notes

Select this component when a combined half-bridge driver and synchronous buck controller is required in a small form factor. Consider the 12-FC2QFN package size constraints and the need for high peak current handling. Evaluate the operating temperature range requirements against the specified -40°C to +125°C limit for industrial environments.

Full Half-Bridge (H Bridge) Drivers Part Context

This part belongs to the MAX20781 family of power management ICs designed for high-efficiency DC-DC conversion. It integrates control logic and power stages to reduce component count and board space. The device is intended for applications needing reliable power delivery with built-in safety features.

Full Half-Bridge (H Bridge) Drivers Replacement Considerations

No public confirmed substitute part numbers are available in the provided documentation.