MAX628ESA

Overview

The MAX628ESA is a low-side gate driver manufactured by Analog Devices Inc./Maxim Integrated, housed in an 8-pin SOIC package. It features two independent drive channels designed for N-channel and P-channel MOSFETs. The device operates within a supply voltage range of 4.5V to 18V and supports both inverting and non-inverting input logic levels with thresholds at 0.8V and 2V respectively. It provides fast switching capabilities with rise and fall times of 25ns and 20ns. The component functions reliably across an industrial temperature range from -40°C to +85°C.

Feature Summary

• Provides dual independent low-side drive channels for efficient control of power switches
• Supports flexible logic interface compatibility through selectable inverting and non-inverting inputs
• Delivers rapid signal transition speeds suitable for high-frequency switching applications

Applications

• Driving N-channel and P-channel MOSFETs in power conversion circuits
• Low-side switching control in motor drive systems
• Gate driving stages in DC-DC converter topologies

Procurement Notes

Verify the specific suffix against official datasheets to confirm exact electrical characteristics and packaging options. Ensure the selected variant matches the required operating temperature range and input logic specifications for your design. Cross-reference the manufacturer part number with authorized distributors to confirm current availability and authenticity before finalizing procurement plans.

Selection Notes

Select this component when dual independent low-side drive capability is required for mixed N-channel and P-channel MOSFET configurations. Consider the 4.5V to 18V supply range and the specific rise/fall time requirements of your application. Verify that the SOIC-8 package dimensions fit your PCB layout constraints and that the input logic thresholds align with your control signals.

Part Context

This component belongs to the Maxim Integrated gate driver family, specifically designed for low-side switching applications. It serves as a dedicated interface between low-voltage control logic and higher-power MOSFET gates. The device integrates necessary protection and drive circuitry into a compact surface-mount package, facilitating integration into various power management and motor control designs.

Replacement Considerations

Consult official replacement guides for verified substitute part numbers. Ensure any alternative maintains identical pinout configuration, drive current capabilities, and logical functionality to prevent redesign efforts.