A6B273KLW

Overview

The A6B273KLW is a power switch and driver manufactured by Allegro MicroSystems, designed for load driving applications. It features an N-channel output configuration with a maximum load voltage of 50V and a supply voltage range of 4.5V to 5.5V. The device provides a maximum output current of 150mA per channel and has a typical on-resistance of 5.5 ohms. It utilizes a latch driver type with non-inverting input logic. The component supports parallel and gated pulse interfaces, offering a 1:1 input-to-output ratio. It is housed in a 20-SOIC surface-mount package and operates within a temperature range of -40°C to 125°C.

Feature Summary

• Integrates N-channel power switching capability with low on-resistance for efficient load control
• Supports parallel and gated pulse interface protocols for flexible digital control
• Features latch driver architecture to maintain state without continuous signal input

Applications

• General-purpose load driving in industrial control systems
• Power distribution management in electronic assemblies
• Actuator control interfaces requiring latched output states

Procurement Notes

Verify component authenticity through authorized channels due to end-of-life status. Confirm RoHS compliance requirements as the part does not meet RoHS standards. Validate pin compatibility and thermal performance against design specifications before integration. Check for available direct replacements if long-term supply stability is required.

Selection Notes

Select this component for applications requiring a single-channel N-channel driver with latching functionality. Ensure the system voltage aligns with the 4.5V to 5.5V supply range. Consider the 150mA output limit and 5.5-ohm resistance when sizing loads. Verify that the 20-SOIC package fits the PCB layout constraints.

Part Context

This part belongs to the A6B series of power drivers from Allegro MicroSystems. It is specifically designed for low-side switching applications. The device integrates protection features common to this family. It serves as a bridge between low-voltage logic controllers and higher-power loads.

Replacement Considerations

No public confirmed substitute part numbers are available.