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Product Detailed Parameters
- Description：IC MOTOR DRIVER 3V-5.5V 8SOIC
- Series：FanSense™
- Mfr：Microchip Technology
- Package：Tape & Reel (TR)
- 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 ~ 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 TC647VOATR is a FanSense™ series motor driver manufactured by Microchip Technology, designed for parallel interface control of brushless DC (BLDC) fans. It operates within a supply voltage range of 3V to 5.5V and features a low-side pre-driver output configuration. The component is housed in an 8-SOIC package with a width of 3.90mm and supports surface mount installation. It functions as a speed controller suitable for fan applications, operating reliably across a temperature range of 0°C to 85°C.
Feature Summary
- Integrated low-side pre-driver architecture for direct BLDC fan control
- Parallel interface compatibility for simplified system integration
- Built-in fault detection capabilities for enhanced operational safety
Applications
- Brushless DC fan speed control systems
- Thermal management solutions requiring fault monitoring
- Embedded cooling controllers with parallel interface constraints
Procurement Notes
Verify the specific suffix 'VOA' against the datasheet to confirm pinout and functional equivalence with other variants in the TC647 family. Ensure that the 8-SOIC package dimensions align with the target PCB footprint. Confirm RoHS compliance status through official manufacturer documentation prior to final procurement decisions.
Selection Notes
Select this component when a dedicated low-side pre-driver for BLDC fans is required with parallel interface support. Consider the 0°C to 85°C operating temperature range against environmental conditions. Evaluate the 3V-5.5V supply voltage requirements against the system power architecture to ensure compatibility.
Part Context
This part belongs to the TC647B/FanSense™ family of motor drivers from Microchip Technology. It serves as a specialized solution for managing brushless DC fans, distinguishing itself through integrated fault detection and low-side driving capabilities. The series targets applications needing reliable thermal control with minimal external component count.
Replacement Considerations
Public confirmed substitute part numbers include TC647VOA and TC646VOA713. Verify electrical parameter alignment and package compatibility before substitution.
