SMA6852MZ LF2451

Overview

The SMA6852MZ-LF2451 is a high-voltage three-phase motor driver manufactured by Sanken Electric USA Inc. It integrates power MOSFETs and control logic in a single package. The device supports AC, DC, and brushless DC (BLDC) motors with an output current of 1.5 A. It operates on a supply voltage range of 13.5 V to 16.5 V and handles load voltages up to 200 V maximum. The component utilizes a 24-ZIP (SMA-24) through-hole package and functions within a junction temperature range of -20°C to 150°C.

Feature Summary

• Integrates bootstrap diodes with limiting resistors for simplified circuit design
• Features CMOS-compatible inputs supporting both 3.3 V and 5 V logic levels
• Includes built-in protection circuits for under-voltage lockout (UVLO) and overheat detection
• Provides a regulator output of 7.5 V at 35 mA

Applications

• Air purifier fans
• Washer-dryer fans

Procurement Notes

Verify the specific suffix LF2451 against the manufacturer's official documentation to confirm lead-free compliance and packaging details. Ensure the ordering part number matches the exact pin configuration and thermal characteristics required for the target application. Cross-reference the datasheet revision date to validate technical parameters before finalizing procurement specifications.

Selection Notes

Select this component for applications requiring integrated three-phase motor control with high-voltage tolerance. The inclusion of internal bootstrap diodes reduces external component count. Verify that the 1.5 A continuous output current meets the motor requirements. Confirm compatibility with 3.3 V or 5 V control signals and ensure adequate thermal management for the SIP-24 package.

Part Context

This component belongs to the SMA68xx series of high-voltage motor drivers from Sanken Electric. These devices are designed for household appliance applications, combining power MOSFET technology with control logic. The series typically offers various current ratings and voltage tolerances to suit different motor types, including AC and BLDC configurations.

Replacement Considerations

The SMA6861MZ-LF2451 is listed as a parameter-equivalent substitute by the manufacturer.