What is the Additional Feature ?

Name: EN5319QI
Brand: Intel
SKU: EN5319QI
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

Any Feature, including a modified Existing Feature, that is not an Existing Feature.

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Intel EN5319QI

Part No.:: EN5319QI

Manufacturer:: Intel

Package:: 24-QFN (6x4)

Datasheet:: EN5319QI.pdf

Description:: DC DC CONVERTER 0.6-5.05V

In Stock:: 2526

Quantity:: Add To Cart

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EN5319QI Specifications

Package/Case:
24-QFN (6x4)
Packaging:
Series:
Enpirion® 5300
ProductStatus:
Obsolete
Type:
NumberofOutputs:
Voltage-Input(Min):
Voltage-Input(Max):
Voltage-Output1:
Voltage-Output2:
Voltage-Output3:
Voltage-Output4:
Current-Output(Max):
Power(Watts):
Voltage-Isolation:
Applications:
Features:
OperatingTemperature:
Efficiency:
MountingType:
Size/Dimension:
ControlFeatures:
ApprovalAgency:

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EN5319QI information

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EN5319QI Typical application Circuitry

EN5319QI

The EN5319QI is a highly integrated, high-efficiency, synchronous buck DC-DC converter. This power management integrated circuit (PMIC) is designed by Enpirion (now part of Intel) and is especially suitable for applications where space and efficiency are critical. It features a built-in inductor and supports a compact footprint on PCBs, making it ideal for densely packed electronics such as telecommunications equipment, servers, and compact industrial devices.

Key Features and Specifications:

- Output Voltage: Provides a fixed output voltage, which is adjustable through external components.

- High Efficiency: Operates with high efficiency, which minimizes thermal stress and enhances power delivery performance.

- Integrated Inductor: Features an integrated inductor to reduce design complexity and improve power density.

- Output Current: Capable of delivering substantial current, typically up to 4 Amps, supporting demanding electronic loads.

- Input Voltage Range: Supports a wide input voltage range, making it versatile for different power systems.

- Package: Offered in a QFN package which ensures a minimal footprint on the system's board.

Application Scenario: Server Motherboard Power Supply

In a server motherboard application, the EN5319QI can be used to provide localized power conversion, efficiently converting a higher voltage from the main power supply down to the voltage required by specific components such as processors, memory, or auxiliary controllers.

Circuit Design Methodology:

1. Power Input Connection (Vin, GND):

- Vin (Voltage Input): Connect Vin to a stabilized 12V source from the server's main power supply. Ensure that the input connection includes a capacitor (typically 10 µF) close to the pin to stabilize the input power and filter high-frequency noise.

- GND (Ground Connection): Connect all GND pins to the system's ground plane. Good grounding is essential for minimizing noise and ensuring stable operation.

2. Output Voltage Setup (Vout, Feedback Network):

- Vout (Voltage Output): The output voltage should be set to the specific needs of the load. If adjustments are necessary, connect the feedback network (consisting of resistors R1 and R2) to the specified feedback pins to set the desired output voltage.

- Feedback Network: Carefully calculate the values of R1 and R2 to achieve accurate output voltage based on the feedback mechanism described in the datasheet.

3. Power Good and Enable Pins (PG, EN):

- PG (Power Good Output): Connect this pin to a status LED or an input to a supervisory microcontroller to indicate when the output voltage is stable and within the tolerance.

- EN (Enable Pin): This pin can be driven by a logic signal to turn the converter on or off. Connect it to a controller or logic circuit that can selectively disable the power when not needed or during a system power-down sequence.

4. Output Capacitance (Capacitors at Vout):

- Place capacitors at the Vout pin to stabilize the output voltage and filter any residual switching noise. Typically, a combination of ceramics and bulk capacitors (like tantalum or polymer) are used to optimize performance across different frequencies.

5. Thermal Management and Layout Considerations:

- Thermal Management: Given the compact nature and potential high power dissipation, ensure adequate cooling is provided. Thermal pads or heatsinks might be necessary depending on the load and operating environment.

- PCB Layout: Minimize the loop area formed by the input and output capacitors and the EN5319QI to reduce electromagnetic interference (EMI). Use thick traces for high-current paths to minimize voltage drops and improve efficiency.

Design Considerations:

- Signal Integrity and Noise: Keep sensitive analog or digital lines away from the high-current switching paths to avoid noise coupling.

- Reliability: Incorporate protection features such as over-current, over-voltage, under-voltage, and thermal shutdown as necessary to protect the server motherboard from power anomalies.

- Component Selection: Use high-quality components that meet the specifications and expected operating conditions, especially capacitors and resistors that directly affect the voltage regulation and stability.

- Testing and Validation: Extensively test the power supply circuit under all operational conditions to ensure it meets the required specifications and performance standards.

Implementing the EN5319QI in a server motherboard scenario efficiently addresses the challenge of providing stable, reliable power to sensitive electronic components, maximizing system performance and enhancing overall reliability.

EN5319QI FAQ

1. How to order EN5319QI on icwhale.com?

Currently, icwhale.com only provide peer-to-peer order processing. While you submit the RFQ, our professional agent will contact you with the competitive prices in the global market, and our agent will prompt you to finish the order if you accept our offers.

2. How does icwhale.com guarantee that EN5319QI is from the original manufacturer or authorized agents?

We have a professional and experienced quality control team to strictly verify and test the EN5319QI. All suppliers must pass our qualification reviews before they can publish their products including EN5319QI on icwhale.com; we pay more attention to the channels and quality of EN5319QI products than any other customer. We strictly implement supplier audits, so you can purchase with confidence.

3. Are the EN5319QI price and inventory displayed accurate?

The price and inventory of EN5319QI fluctuates frequently and cannot be updated in time, it will be updated periodically within 24 hours. And, our quotation usually expires after 5 days.

4. What forms of payment are accepted?

Wire Transfer, PayPal, Alipay, Wechat, Credit Card, Western Union, MoneyGram, and Escrow are all acceptable.

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6. What is the process for return or replacement of EN5319QI?

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 EN5319QI we delivered, we will accept the replacement or return of the EN5319QI 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 EN5319QI.

(3)The PartNo 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