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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 TC647BEOA is a PWM fan motor speed controller manufactured by Microchip Technology, designed for brushless DC (BLDC) and AC/DC motors. It operates within a supply voltage range of 3 V to 5.5 V and features a low operating supply current of 200 uA. The device provides an output current capability of 5 mA and functions as a low-side pre-driver. It supports single-fan control with integrated restart and fault detection capabilities. The component is housed in an 8-pin SOIC package (SOIC-8) suitable for surface mount installation. It operates reliably across a temperature range of -40°C to +85°C.
Feature Summary
- Integrates restart and fault detection mechanisms for enhanced system reliability
- Supports PWM control method for precise fan motor speed regulation
- Includes over-temperature alert functionality for thermal management
Applications
- Fan controller applications
- Brushless DC (BLDC) motor control
- Motor / Motion / Ignition Controllers & Drivers
Procurement Notes
Verify the specific ordering suffix to confirm the packaging type, as the base part number may correspond to tube or reel variants. Confirm RoHS compliance status and moisture sensitivity level requirements against project specifications. Check for product discontinuation notifications, as availability may be limited due to end-of-life status. Ensure the selected variant matches the required package style and lead configuration for PCB layout compatibility.
Selection Notes
Select this component when a dedicated PWM fan controller with fault detection is required for BLDC or AC/DC motors. Consider the 8-SOIC package dimensions for board space constraints. Evaluate the 5 mA output current against the gate drive requirements of the target motor driver stage. Verify that the 3 V to 5.5 V supply range aligns with the system power architecture. Compare against other TC64xB series devices if additional features like shutdown pins are needed.
Part Context
The TC647BEOA belongs to the TC647B series of fan controllers from Microchip Technology. It is categorized under PMIC - Power Management ICs and specifically Motor / Motion / Ignition Controllers & Drivers. The series is part of the FanSense family, focusing on efficient motor speed control. Related parts include TC647BEOATR (reel version) and TC647BEUATR (MSOP package), offering different packaging options for similar functionality.
Replacement Considerations
- TC647BEOATR
- TC647BEUATR
FAQ
What is the maximum operating supply voltage for the TC647BEOA?
The maximum operating supply voltage is 5.5 V.
Does the TC647BEOA support over-temperature alerts?
Yes, the device includes an over-temperature alert feature.
