MAX4427CSA

Overview

The MAX4427CSA is a dual low-side MOSFET gate driver manufactured by Analog Devices Inc./Maxim Integrated. It operates within a supply voltage range of 4.5V to 18V and supports CMOS and TTL logic inputs. The device features two independent drivers with peak output currents of 1.5A for both sourcing and sinking. Typical rise and fall times are 30ns. It is housed in an 8-SOIC package (0.154 inch width) and functions within a temperature range of 0°C to +70°C.

Feature Summary

• Dual-channel architecture providing independent control for two low-side MOSFETs
• High peak output current capability of 1.5A for efficient switching
• Compatible with standard CMOS and TTL logic input levels
• Non-inverting configuration for straightforward signal interfacing

Applications

• Low-side power switching in motor control systems
• General-purpose MOSFET driving in industrial equipment
• Power management circuits requiring isolated gate drive signals

Procurement Notes

Verify the specific suffix 'CSA' against the manufacturer's official part numbering system to confirm package type and temperature grade. Confirm RoHS compliance status, as historical data indicates potential non-compliance for this specific variant. Ensure the source document explicitly lists the MAX4427CSA to avoid confusion with similar models like the MAX4427ESA or TSC427CBA.

Selection Notes

Select this component when a dual low-side driver with moderate speed and high current is required. Compare against the MAX4427ESA if extended temperature ranges (-40°C to +85°C) are necessary. Verify that the 30ns propagation delay meets the timing requirements of the target application. Consider the 8-SOIC footprint constraints during PCB layout design.

Part Context

The MAX4427 belongs to a family of dual MOSFET gate drivers from Maxim Integrated. It serves as a cost-effective solution for driving power switches in applications where high-side driving is not required. The CSA designation typically refers to the commercial temperature grade and SOIC packaging, distinguishing it from industrial or tape-and-reel variants.

Replacement Considerations

Public confirmed substitute: MAX4427CSA+.