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Product Detailed Parameters
- Description：IC MOTOR DRIVER 3V-5.5V 8SOIC
- Series：FanSense™
- Mfr：Microchip Technology
- Package：Tube
- Motor Type - Stepper：-
- Motor Type - AC, DC：Brushless DC (BLDC)
- Function：Controller - Speed
- Output Configuration：Pre-Driver - Low Side
- Interface：Parallel
- Technology：-
- Step Resolution：-
- Applications：Fan Controller
- Current - Output：-
- Voltage - Supply：3V ~ 5.5V
- Voltage - Load：-
- Operating Temperature：-40°C ~ 85°C (TA)
- Mounting Type：Surface Mount
- Package / Case：8-SOIC (0.154", 3.90mm Width)
- Supplier Device Package：8-SOIC
- Grade：-
- Qualification：-
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Overview
The TC642EOA is a FanSense brushless DC motor controller and driver designed for fan applications. It operates within a supply voltage range of 3V to 5.5V and features an integrated fault detection mechanism. The device utilizes an 8-SOIC surface-mount package with a width of 3.90mm. It supports low-side pre-driver output configuration and includes speed control functionality. The component is rated for operation in ambient temperatures from -40°C to +85°C.
Feature Summary
- Integrated fault detection capability for system monitoring
- Speed control functionality for brushless DC motors
- Low-side pre-driver output configuration
Applications
- Fan controllers
- Brushless DC (BLDC) motor control
Procurement Notes
Verify the specific suffix 'EOA' against the official Microchip datasheet to confirm the 8-SOIC package and temperature range. Confirm that the part status is End-of-Life, as production may be discontinued. Ensure compatibility with existing PCB footprints and thermal requirements before procurement.
Selection Notes
Select this component for applications requiring integrated BLDC control with fault detection. Consider the 3V-5.5V operating range and SOIC-8 package constraints. Evaluate if the low-side pre-driver architecture meets the load requirements compared to high-side or half-bridge alternatives.
Part Context
The TC642EOA belongs to the TC642 series within Microchip's FanSense product line. This family focuses on simplified control solutions for cooling fans. The EOA suffix denotes the specific package type and commercial/industrial temperature grade variants available within the broader TC642 family.
Replacement Considerations
Direct substitutes include other parts within the TC642 series such as TC642BEOA or TC642CPA, depending on package and temperature requirements. Verify functional equivalence regarding fault detection and drive configuration.
