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TC642VOA The Microchip Technology TC642VOA is a PWM fan speed controller IC designed for brushless DC fans. It operates from a 3.0V to 5.5V supply and comes in an 8-SOIC package.
Mfr Part #:

TC642VOA

Available from 1 distributors
Mfr Name: Microchip Technology
Microchip Technology
The Microchip Technology TC642VOA is a PWM fan speed controller IC designed for brushless DC fans. It operates from a 3.0V to 5.5V supply and comes in an 8-SOIC package.
✓ Total Stock: 101 pcs
$ Price Range: $2.25

TC642VOA Available from 1 distributor

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Hybrid Electronics ✓
Non-Authorised Inventory information
101 pcs
On Request
101 pcs On Request 1 On Request On Request 531 On Request On Request
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TC642VOA Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Applications
Function
Interface
Motor Type
Mounting Type
Operating Temperature
Output Configuration
Supplier Device Package
Supplier Package
Voltage
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TC642VOA Description

Short technical summary and product information.

The TC642VOA from Microchip Technology is a switch-mode fan speed controller for brushless DC fans, utilizing pulse width modulation (PWM) for temperature-proportional speed control. This IC supports a supply voltage range of 3.0V to 5.5V, with the fan voltage being independent of the TC642 supply voltage, allowing it to support any fan voltage.

 

Key features include Microchip's FanSense™ technology for fault detection against fan failure and system testing aid. It also offers a shutdown mode for energy-efficient systems and supports low-cost NTC/PTC thermistors for temperature sensing. The device is housed in a space-saving 8-pin SOIC package.

 

Applications for the TC642VOA include power supplies, personal computers, file servers, telecom equipment, UPSs, and power amplifiers, making it a versatile solution for general-purpose fan speed control where acoustic control and longer fan life are desired.

TC642VOA Quick Information

Product Type: Motor Driver IC
Canonical Name: TC642VOA PWM Fan Speed Controller
Subcategory: Fan Controller

TC642VOA Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected

TC642VOA Estimated Pricing

Qty Low High
1+ $2.25 $2.25

Estimated market price range - modelled values for guidance only, not live distributor offers.

TC642VOA Features

  • Temperature proportional fan speed control.
  • Efficient PWM fan drive.
  • 3.0V to 5.5V supply range.
  • FanSense fault detection circuits.
  • 8-Pin SOIC package.

TC642VOA Applications

  • Used in power supplies.
  • Suitable for personal computers.
  • Applied in file servers.
  • Used in telecom equipment.
  • General purpose fan speed control.

TC642VOA FAQs

7 frequently asked questions generated from this part’s specifications.
What is the supply voltage range of the TC642VOA?

3.0V to 5.5V.

What is the operating temperature range?

0°C to 85°C.

What package is the TC642VOA available in?

8-SOIC surface mount package.

What type of motor does this controller support?

Brushless DC (BLDC) motors.

What is the output configuration?

Pre-driver low side.

What interface does it use?

Parallel interface.

What is the primary application of the TC642VOA?

Fan controller.

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