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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：0°C ~ 70°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 TC642COA is a fan controller from the FanSense series by Microchip Technology, designed for brushless DC (BLDC) motor applications. It operates within a supply voltage range of 3 V to 5.5 V and draws a typical operating supply current of 500 uA. The device features a low-side pre-driver output configuration capable of sourcing 5 mA. It is housed in an 8-SOIC surface-mount package with a width of 3.90 mm. The component supports parallel interface control and functions as a speed controller. It is rated for operation between 0°C and +70°C ambient temperature.
Feature Summary
- Integrated fault detection capabilities for enhanced system reliability
- Low power consumption suitable for battery-operated devices
- Supports speed control functionality for BLDC motors
Applications
- Fan controllers
- Brushless DC motor drives
- Motor motion control systems
Procurement Notes
Verify the End-of-Life status carefully, as discontinuation notifications indicate production cessation. Confirm that existing inventory or last-time buy options meet long-term maintenance requirements. Ensure compatibility with existing PCB footprints and design-in constraints before finalizing procurement decisions for this specific SOIC-8 variant.
Selection Notes
Select this part when a low-power, single-fan BLDC controller with integrated fault detection is required. The 8-SOIC package suits space-constrained surface-mount designs. Consider alternative packages like MSOP or PDIP if different thermal or mechanical constraints apply, noting that those variants may have different temperature ratings.
Part Context
This component belongs to the TC642 family of motor controllers. It is specifically the COA suffix variant, indicating the commercial temperature grade and SOIC-8 packaging. Other family members include TVA/VPA variants with different packages and industrial temperature ranges.
Replacement Considerations
Publicly confirmed substitutes include TC642VPA (PDIP-8, Industrial Temp) and TC642EUA (MSOP-8, Industrial Temp). Verify pinout compatibility and temperature range differences when substituting.
