MAX628CPA

Overview

The MAX628CPA+ is a dual low-side power MOSFET driver manufactured by Analog Devices Inc./Maxim Integrated. It operates within a supply voltage range of 4.5 V to 18 V and delivers a peak output current of 2 A per channel. The device features symmetric rise and fall times of 20 ns, supporting high-speed switching applications. It accepts CMOS or TTL logic inputs and functions in an inverting configuration. Packaged in an 8-pin PDIP format, it is designed for through-hole mounting with an operating temperature range from 0°C to +70°C.

Feature Summary

• Dual-channel architecture providing independent control for two low-side power MOSFETs
• High-current drive capability delivering 2 A output current to minimize conduction losses
• Symmetric propagation characteristics with 20 ns rise and fall times for precise timing control

Applications

• Synchronous rectification circuits in DC-DC converters
• Motor drive systems requiring low-side switching
• Power supply topologies utilizing external N-channel MOSFETs

Procurement Notes

Verify the specific suffix designation on the component marking against official datasheets to confirm package type and temperature grade. Ensure the ordering part number matches the required lead-free and RoHS compliance status. Cross-reference the manufacturer's latest documentation for any pinout revisions or environmental certification updates prior to final procurement decisions.

Selection Notes

Select this component when designing circuits requiring robust gate drive for external N-channel MOSFETs in low-side configurations. Evaluate the 18 V maximum supply limit against the system's available rail voltage. Consider the 2 A peak current rating relative to the target MOSFET's gate charge requirements and desired switching frequency to ensure adequate drive strength without excessive thermal stress.

Part Context

This device belongs to the Maxim Integrated family of power management interface components. It serves as a dedicated driver stage between low-voltage logic controllers and high-power switching elements. The PDIP-8 package facilitates prototyping and through-hole assembly in industrial and consumer electronics designs requiring reliable MOSFET gate control.

Replacement Considerations

Consult official substitution guides for verified equivalents. Generic replacements may differ in drive current capacity, propagation delay symmetry, or supply voltage limits.