MP6231DN-LF

Overview

The MP6231DN-LF is a dual-channel power distribution switch IC manufactured by Monolithic Power Systems. It operates within a supply voltage range of 2.7 V to 5.5 V, supporting standard 3.3 V and 5 V logic levels. Each channel delivers an output current of 1 A with a maximum on-resistance of 130 mΩ. The device features a 1.5 A current limit for overload protection and includes active-high enable inputs. It is housed in an SOIC-8 surface-mount package and functions reliably across an industrial temperature range from -40 °C to +85 °C.

Feature Summary

• Dual-channel architecture providing independent control over two separate power rails
• Integrated current limiting circuitry protects downstream loads from short circuits and overloads
• Low on-resistance design minimizes conduction losses and improves system efficiency
• Active-high enable inputs allow straightforward digital interface integration

Applications

• Portable electronic devices requiring efficient power rail management
• Industrial control systems utilizing multiple low-voltage logic components
• Consumer electronics distributing power to peripheral modules
• Embedded systems managing distinct sensor or communication interfaces

Procurement Notes

Verify the specific suffix against official manufacturer documentation to confirm pinout compatibility and thermal characteristics. Ensure the selected variant matches the required operating temperature range and package dimensions for your PCB layout. Cross-reference the datasheet revision history to confirm feature consistency before finalizing component selection for production.

Selection Notes

Select this component when designing circuits that require isolated control of two power lines with moderate current demands. The 1 A rating suits most logic families and small peripherals. Consider the SOIC-8 footprint constraints and ensure adequate thermal relief on the PCB to handle dissipation under continuous load conditions while maintaining reliability within the specified voltage window.

Part Context

This part belongs to the MP62341 series family of power switches, designed for compact power distribution applications. It shares functional similarities with other MPS dual-channel switches but offers specific electrical parameters tailored for general-purpose use. The series emphasizes reliability and ease of integration into space-constrained designs without sacrificing performance or protection capabilities.

Replacement Considerations

Consult official substitution lists for direct equivalents. Verify pin-to-pin compatibility and electrical parameter alignment before replacing existing inventory.