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Product Detailed Parameters
- Description：IC MOTOR DRVR 13.5V-16.5V 24SIP
- Series：-
- Mfr：Sanken Electric USA Inc.
- Package：Tube
- Motor Type - Stepper：-
- Motor Type - AC, DC：AC, Synchronous
- Function：Driver - Fully Integrated, Control and Power Stage
- Output Configuration：Half Bridge (3)
- Interface：Parallel
- Technology：Power MOSFET
- Step Resolution：-
- Applications：Appliance
- Current - Output：1.5A
- Voltage - Supply：13.5V ~ 16.5V
- Voltage - Load：450V (Max)
- Operating Temperature：-20°C ~ 150°C (TJ)
- Mounting Type：Through Hole
- Package / Case：24-SSIP Formed Leads
- Supplier Device Package：24-SIP, LF2451
- Grade：-
- Qualification：-
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Overview
The SMA6854MZ LF2451 is a fully integrated AC motor driver featuring three half-bridge outputs. It utilizes Power MOSFET technology with a breakdown voltage of 600 V and a continuous output current of 1.5 A. The maximum on-resistance is 2.4 Ω. Operating voltage ranges from 13.5 V to 16.5 V, with a nominal supply of 15 V. It includes a 7.5 V regulator output capable of 35 mA. The device supports CMOS-compatible inputs at 3.3 or 5 V and employs parallel interface control. It is housed in a 24-pin SIP package.
Feature Summary
- Built-in bootstrap diodes with limiting resistors
- Integrated overheat detection circuit (TD)
- Protection against power supply voltage drop (UVLO)
- Overcurrent detection enabled via shunt resistors
Applications
- Air purifier fans
- Washer-dryer fans
Procurement Notes
Verify the component authenticity by checking for the Sanken Electric marking and the specific suffix LF2451. Confirm the package type is a 24-pin SIP with formed leads. Ensure the part matches the RoHS compliant status if environmental regulations apply to your assembly process. Cross-reference the manufacturer part number SMA6854MZ with official distributor catalogs to avoid counterfeit components.
Selection Notes
Select this component when driving AC synchronous motors requiring integrated control and power stages. The 600 V breakdown voltage suits higher voltage applications compared to lower-rated siblings. The 1.5 A current rating defines its load capacity. Consider the 24-pin SIP form factor for through-hole mounting requirements. Verify that the system can accommodate the required UVLO and thermal protection mechanisms provided by the IC.
Part Context
This part belongs to the SMA685x series of AC motor controllers manufactured by Sanken. It shares functional similarities with the SMA6852MZ and SMA6853MX but differs in electrical ratings. The SMA6854MZ specifically offers a 600 V breakdown voltage, distinguishing it from the 500 V variants in the family. All parts in this series utilize similar SIP packaging and integration features.
Replacement Considerations
SMA6852MZ and SMA6853MX are related parts within the same series. Substitution requires verifying that the 500 V breakdown voltage of these alternatives is sufficient for the application, as the SMA6854MZ provides 600 V. Current ratings also differ between these models.
