Products > Integrated Circuits (ICs) > EUM6861C
  • EUM6861C

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18V PWM Fan Motor Driver

  • Package/Case :
  • TSSOP16
  • Product Categories :
  • Integrated Circuits (ICs)
  • RoHs Status:
  • Lead free/RoHS Compliant
  • Marking Code:
  • EUM6861C
  • In-stock:
  • 500


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EUM6861C Product Details

EUM6861/A/B/C is a fan motor driver for the single coil brushless DC motor. With its high efficient direct PWM control mode, EUM6861/A/B/C controls the speed of brushless DC motor with a built in HALL IC interface. EUM6861/A/B/C is suitable to drive variable speed motors for personal computer's power supply radiation fans and CPU coolers.
EUM6861/A/B/C integrates PWM fan speed control, minimum speed mode, soft start, fan tachometer, lock protection, auto restart and Hall Bias functions. PWM mode controls fan speed in low noise and low vibration ways by adjusting RCTL voltage. EUM6861/A/B/Ccan set minimum fan speed by presetting RMIN voltage. With soft start function, EUM6861/A/B/C can drive motor from slow speed to fast speed in a settable time by setting the external capacitor between SS and GND. If a fan motor is stalled by the external force or obstacles, overdrive current may incur coil overheat and burning. To prevent motor from overheating, the lock protection circuit shuts down the internal power devices for a few seconds after the motor lock is detected. Then the auto restart circuit resumes to power up the internal power devices. If the lock persists, EUM6861/A/B/C shuts off power devices for a few seconds. The lock protection delay time is externally programmable by a capacitor. EUM6861/C has built in motor rotation speed feedback (FG) output, motor rotation detection(RD) output and Hall sensor bias output.
·Built in 18V Full-wave Motor Driver for Fan Motor
·Built in Input Surge Protection,No Zener Diode Need
·External Programmable Soft Start and Soft Restart Function
·Wide Input Range 3V~18V
·PWM Fan Speed Control
·Programmable Minimum Fan Speed
·Built in Soft Switching Function
·Built in Hall Bias
·Lock Protection and Auto Restart
·Fan Rotation Speed Feedback FG Output (EUM6861/B/C)
·Fan Rotation Detection RD Output (EUM6861/A/C)
·Thermal Shutdown Protection
·Available in TSSOP-16 and TDFN-14 Packages RoHS Compliant and 100% Lead(Pb)-Free Halogen-FreeAPPLICATIONS
·Personal Computer's Power Supply Radiation Fans and CPU Coolers

EUM6861C Pin Diagram
(Picture:Pinout / Diagram)

Technical Parameters

  • Manufacturer
  • Packing
  • Tape & Reel (TR)/Cut Tape (CT)/Tray/Tube
  • RoHs Status
  • Lead free/RoHS Compliant
  • Package/Case
  • TSSOP16

EUM6861C Related Products

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  • **бозн***

    поставил, всё работает как надо

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Estimated Delivery Time: Jun 28 - Jul 03 days (choose Expedited at checkout).

Shipping & Payment


  • Shipping Type
  • Ship Fee
  • Lead Time
  • $20.00-$40.00 (0.50 KG)
  • 2-5 days
  • $20.00-$40.00 (0.50 KG)
  • 3-7 days
  • $20.00-$45.00 (0.50 KG)
  • 2-5 days
  • $25.00-$65.00 (0.50 KG)
  • 2-5 days
  • $25.00-$45.00 (0.50 KG)
  • 5-14 days
  • $2.00-$3.00 (0.10 KG)
  • 7-30 days

Processing Time:Shipping fee depend on different zone and country.


  • Terms of payment
  • Hand Fee
  • Payment Site
  • charge US$30.00 banking fee.
  • charge 4.0% service fee.
  • charge 3.5% service fee.
  • charge US$0.00 banking fee.
  • charge US$0.00 banking fee.

We provide high quality products, thoughtful service and after sale guarantee

  • We have rich products, can meet your various needs.

    We have rich products, can meet your various needs.

  • Minimum order quantity starts from 1pcs.

    Minimum order quantity starts from 1pcs.

  • Lowest international shipping fee starts from US$2.00.

    Lowest international shipping fee starts from US$2.00.

  • 90 days quality guarantee for all products.

    90 days quality guarantee for all products.


  • Step1:Product

    Step1: Products

  • Step2:Vacuum packaging

    Step2: Vacuum Packaging

  • Step3:Anti-static bag

    Step3: Anti-Static Bag

  • Step4:Individual packaging

    Step4: Individual Packaging

  • Step5:Packaging boxes

    Step5: Packaging Boxes

  • Step6:bar-code shipping tag

    Step6: Bar-Code Shipping Tag

All the products will packing in anti-staticbag. Ship with ESD antistatic protection.

Outside ESD packing’s lable will use ourcompany’s information: Part Mumber, Brand and Quantity.

We will inspect all the goods before shipment,ensure all the products at good condition and ensure the parts are new originalmatch datasheet.

After all the goods are ensure no problems afterpacking, we will packing safely and send by global express. It exhibitsexcellent puncture and tear resistance along with good seal integrity.

Jotrin ESD packing


1.We provide 90 days warranty.

2.If some of the items you received aren't of perfect quality, we would resiponsibly arrange your refund or replacement. But the items must remain their orginal condition.


Q: How does Jotrin guarantee that EUM6861C is the original manufacturer or agent of EUTECH?
We have a professional business development department to strictly test and verify the qualifications of EUTECH original manufacturers and agents. All EUTECH suppliers must pass the qualification review before they can publish their EUM6861C devices; we pay more attention to the channels and quality of EUM6861C products than any other customer. We strictly implement supplier audits, so you can purchase with confidence.
Q: How to find the detailed information of EUM6861C chips? Including EUTECH original factory information, application, EUM6861C pictures?
You can use Jotrin's intelligent search engine, or filter by Integrated Circuits (ICs) category, or find it through Eutech Microelectronics Inc Information page.
Q: Are the EUTECH's EUM6861C price and stock displayed on the platform accurate?
The EUTECH's inventory fluctuates greatly and cannot be updated in time, it will be updated periodically within 24 hours. After submitting an order for EUM6861C, it is recommended to confirm the order with Jotrin salesperson or online customer service before payment.
Q: Can I place an order offline?
Yes. We accept offline orders.
We can provide order placement service. You only need to log in, click "My Orders" to enter the transaction management, and you will see the "Order Details" interface. After checking it, select all and click "Place Order". In addition, you can enjoy coupons or other selected gifts when placing orders online.
Q: What forms of payment can I use in Jotrin?
TT Bank, Paypal, Credit Card, Western Union, and Escrow is all acceptable.
Q: How is the shipping arranged and track my package?
Customers can choose industry-leading freight companies, including DHL, FedEx, UPS, TNT, and Registered Mail.
Once your order has been processed for shipment, our sales will send you an e-mail advising you of the shipping status and tracking number.
Note: It may take up to 24 hours before carriers will display tracking information. In normal conditions, Express delivery needs 3-5 days, Registered Mail needs 25-60 days.
Q: What is the process for returns or replacement of EUM6861C?
All goods will implement Pre-Shipment Inspection (PSI), selected at random from all batches of your order to do a systematic inspection before arranging the shipment. If there is something wrong with the EUM6861C we delivered, we will accept the replacement or return of the EUM6861C only when all of the below conditions are fulfilled:
(1)Such as a deficiency in quantity, delivery of wrong items, and apparent external defects (breakage and rust, etc.), and we acknowledge such problems.
(2)We are informed of the defect described above within 90 days after the delivery of EUM6861C.
(3)The EUM6861C is unused and only in the original unpacked packaging.
Two processes to return the products:
(1)Inform us within 90 days
(2)Obtain Requesting Return Authorizations
More details about return electronic components please see our Return & Change Policy.
Q: How to contact us and get support, such as EUM6861C datasheet pdf, EUM6861C pin diagram?
Need any After-Sales service, please feel free contact us:

Eutech Microelectronics Inc

Eutech Microelectronics Inc. is a fabless semiconductor company headquartered in Taoyuan, Taiwan, with several business and R&D offices in mainland China. The company continues to invest in R&D and continue to strengthen our relationships with our customers, foundry and packaging testers, and will c...
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