MAX20781AAFC+

Full Half-Bridge (H Bridge) Drivers Overview

The MAX20781AAFC+ is a single-phase power stage integrating a half-bridge driver and synchronous buck converter controller, manufactured by Analog Devices Inc./Maxim Integrated. It operates with a supply voltage range of 1.71V to 1.98V for logic and 4.5V to 16V for the load. The device delivers peak output currents up to 130A and continuous output current of 86A per channel. It utilizes a 12-PowerVFQFN (12-FC2QFN) package measuring 3.25mm x 7.4mm. Operating temperatures span from -40°C to +125°C. Key electrical parameters include a load voltage range of 0.25V to 2.3V and PWM interface control.

Full Half-Bridge (H Bridge) Drivers Feature Summary

• Integrates a high-current half-bridge driver with a synchronous buck converter controller in a compact form factor.
• Includes built-in protection mechanisms such as overcurrent limiting, overtemperature shutdown, overvoltage protection, and under-voltage lockout.
• Features bootstrap circuitry and diode emulation capabilities to optimize efficiency and performance in synchronous rectification applications.

Full Half-Bridge (H Bridge) Drivers Applications

• Synchronous buck converters
• Point-of-load regulation modules
• High-density power delivery systems

Full Half-Bridge (H Bridge) Drivers Procurement Notes

Verify the specific suffix AAFC against the manufacturer's official datasheet to confirm pinout and thermal pad configuration. Ensure the design supports the required 12-FC2QFN footprint and exposed pad soldering requirements. Confirm that the input voltage ranges align with system specifications before finalizing procurement orders.

Full Half-Bridge (H Bridge) Drivers Selection Notes

Select this component when a combined driver and controller solution is required to reduce board space and component count. The high peak current capability suits applications demanding rapid transient response. Verify compatibility with the target switching frequency and ensure adequate thermal management for the specified operating temperature range.

Full Half-Bridge (H Bridge) Drivers Part Context

This part belongs to the Maxim Integrated power management portfolio, specifically designed for integrated power stages. It consolidates gate drive and control functions typically found in separate components, streamlining the design of efficient DC-DC conversion circuits for modern electronic devices requiring high current density.

Full Half-Bridge (H Bridge) Drivers Replacement Considerations

Consult the official Analog Devices replacement matrix for verified cross-reference part numbers. Ensure any substitute maintains the same 12-PowerVFQFN package dimensions and electrical characteristics to guarantee mechanical and functional compatibility.