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Altera EN5329QI

Conv DC-DC 2.4V to 5.5V Step Down Single-Out 0.6V 2A 24-Pin QFN EP T/R

Ovaga Certification

Brands: Altera Corporation (Intel)

Mfr.Part #: EN5329QI

Datasheet: EN5329QI Datasheet (PDF)

Package/Case: QFN-24

Product Type: Power Management ICs

RoHS Status:

Stock Condition: 3366 pcs, New Original

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Quick Quote

Please submit RFQ for EN5329QI or email to us: Email: [email protected], we will contact you within 12 hours.

EN5329QI General Description

Non-Isolated PoL Module DC DC Converter 1 Output 0.6 ~ 4.9V 2A 2.4V - 5.5V Input



  • High efficiency: up to 95% efficiency can be achieved with the converter.
  • Wide input voltage range: it can operate with input voltages as low as 4.5V and as high as 14V.
  • Fast transient response: it can respond quickly to sudden changes in load.
  • Protection features: overcurrent, overtemperature, undervoltage lockout, and short-circuit protections are built-in.
  • Compact size: it comes in a small 3mm x 3mm QFN package.


  • Point-of-load (POL) power supplies
  • Networking and telecommunications equipment
  • Industrial control systems
  • FPGA and ASIC power supplies
  • Consumer electronics


Parameter Value Parameter Value
feature-type Step Down feature-packaging Tape and Reel
feature-rad-hard feature-pin-count 24
feature-supplier-package QFN EP feature-standard-package-name1 QFN
feature-cecc-qualified No feature-esd-protection Yes
feature-military No feature-aec-qualified No
feature-aec-qualified-number feature-auto-motive No
feature-p-pap No feature-eccn-code EAR99
feature-svhc Yes


Shipping Type Ship Fee Lead Time
DHL DHL $20.00-$40.00 (0.50 KG) 2-5 days
Fedex Fedex $20.00-$40.00 (0.50 KG) 2-5 days
UPS UPS $20.00-$40.00 (0.50 KG) 2-5 days
TNT TNT $20.00-$40.00 (0.50 KG) 2-5 days
EMS EMS $20.00-$40.00 (0.50 KG) 2-5 days
REGISTERED AIR MAIL REGISTERED AIR MAIL $20.00-$40.00 (0.50 KG) 2-5 days

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


Terms of payment Hand Fee
Wire Transfer Wire Transfer charge US$30.00 banking fee.
Paypal Paypal charge 4.0% service fee.
Credit Card Credit Card charge 3.5% service fee.
Western Union Western Union charge US$0.00 banking fee.
Money Gram Money Gram charge US$0.00 banking fee.


1.The electronic components you purchase include 365 Days Warranty, We guarantee product quality.

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.


  • Product

    Step1 :Product

  • Vacuum packaging

    Step2 :Vacuum packaging

  • Anti-static bag

    Step3 :Anti-static bag

  • Individual packaging

    Step4 :Individual packaging

  • Packaging boxes

    Step5 :Packaging boxes

  • 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.

  • ESD
  • ESD

Equivalent Parts

For the EN5329QI component, you may consider these replacement and alternative parts:

Part Number




Part Number:  TPS54620



Description:   from Texas Instruments

Part Number:  ADP2384



Description:   from Analog Devices

Part Number:  MPQ4481



Description:   from Monolithic Power Systems

Part Number:  ISL85003



Description:   from Intersil

Part Number:  MAX15301



Description:   from Maxim Integrated.

Datasheet PDF

Preliminary Specification EN5329QI PDF Download

Key points

  • EN5329QI is a power management IC developed by Enpirion. It offers advanced control and management of power for electronic devices. This chip provides highly efficient voltage regulation, high current capability, and integrated power-on sequencing. It is designed with small form factor and high reliability, making it suitable for various applications such as network switches, routers, and industrial automation equipment.
  • Features

    EN5329QI is a monolithic synchronous buck converter offered by analog semiconductor company Enpirion. It features high-efficiency power conversion, a programmable output voltage, and a wide input voltage range. The device also includes protection features like over-temperature, over-current, and short-circuit protection, making it ideal for various applications requiring compact and reliable power conversion.
  • Pinout

    The EN5329QI is a 4-pin, synchronous buck-boost LED driver. Its pin functions include Enable Control (EN/UVLO), PWM Dimming/Analog Dimming (DIM), Vin Input Voltage, and GND Ground.
  • Manufacturer

    The manufacturer of the EN5329QI is a semiconductor company called Enpirion. It specializes in the design and production of power management solutions for various industries including telecommunications, automotive, computing, and industrial markets.
  • Application Field

    The EN5329QI is a high-efficiency, synchronous step-down DC-DC converter. It is commonly used in applications that require a compact and low-power solution, such as portable devices, wearables, IoT devices, and other battery-powered applications. It can also be used in industrial and automotive applications where energy efficiency and space-saving are crucial.
  • Package

    The EN5329QI chip is available in a QFN package type, in a 4 mm x 4 mm form size.

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

  • Product

    We have rich products, can meet your various needs.

  • quantity

    Minimum order quantity starts from 1pcs.

  • shipping

    Lowest international shipping fee starts from $0.00

  • guarantee

    365 days quality guarantee for all products

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