SMA6823MHLF2451

Overview

The SMA6823MHLF2451 is a fully integrated AC motor driver manufactured by Sanken Electric USA Inc. It utilizes power MOSFET technology and supports AC and synchronous motors. The device features three half-bridge outputs with a maximum load voltage of 400V and an output current of 2.5A. Operating on a supply voltage range of 13.5V to 16.5V, it employs parallel interfaces for control. The component is housed in a 24-SIP, LF2452 package with through-hole mounting and functions within a junction temperature range of -20°C to 150°C.

Feature Summary

• Fully integrated design combining control logic and power stages
• Built-in bootstrap diodes with limiting resistors
• CMOS-compatible input supporting 3.3V or 5V logic levels
• Integrated protection circuits including UVLO and overheat detection

Applications

• Air purifier fans
• Washer-dryer fans

Procurement Notes

Verify the specific suffix LF2451 against the target application requirements to ensure compatibility with existing PCB footprints and thermal management strategies. Confirm that the 24-SIP package orientation matches the assembly guidelines. Cross-reference the electrical specifications with the system's power supply constraints to validate the 13.5V to 16.5V operating window. Ensure that the parallel interface signals align with the microcontroller or control unit capabilities.

Selection Notes

Select this component when designing systems requiring high-voltage AC motor control with integrated power stages. The 400V load voltage rating makes it suitable for applications demanding robust isolation and high potential handling. The wide operating temperature range supports deployment in environments with significant thermal fluctuations. Consider the SIP package for ease of manual assembly or specific mechanical constraints where surface mount options are not viable.

Part Context

This part belongs to the SMA6823 series from Sanken Electric, designed specifically for AC motor driving applications. It represents a consolidated solution for controlling single-phase AC motors in household appliances. The series integrates necessary gate drive circuitry and protection mechanisms into a single package, reducing the external component count and simplifying the overall circuit design for manufacturers.

Replacement Considerations

SMA6823MH

FAQ

What is the maximum load voltage supported by this driver?

The maximum load voltage supported by the SMA6823MHLF2451 is 400V.

Does the device include built-in protection features?

Yes, it includes built-in protection circuits such as under-voltage lockout (UVLO) and overheat detection (TD).