BU21021GUL-E2

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Rohm Semiconductor BU21021GUL-E2

HIGH-RELIABILITY-COMPONENTS
Part No.:
BU21021GUL-E2
Manufacturer:
Rohm Semiconductor
Package:
24-UFBGA, CSPBGA
Datasheet:
BU21021GUL-E2.pdf
Description:
IC SCREEN CNTRL 12BIT 24VCSP50L2
In Stock:
2810
Quantity:
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  • Purchase and inquiryPurchase and inquiry

    BU21021GUL-E2 this integrated circuit is available in factory sealed anti static packs. at icwhale.com. Please read product page below detail information. including BU21021GUL-E2 price, data-sheet, in-stock availability, technical difficulties. Also. Quickly Enter the access of compare listing to find out replaceable electronic parts. If you want to retrieve comprehensive data for BU21021GUL-E2 to optimize the supply chain (including cross references, life-cycle, parametric, counterfeit risk, obsolescence managements forecasts), please contact to our Tech-supports team.

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    BU21021GUL-E2 informationBU21021GUL-E2 information

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    BU21021GUL-E2 Application Introduction


    BU21021GUL-E2 is a high-efficiency synchronous buck regulator commonly utilized in power management solutions for various electronic devices. It features a wide input voltage range, high switching frequency, and robust thermal performance.

    Application Scenario:

    In designing power supply circuits for portable electronic devices, BU21021GUL-E2 can be employed to efficiently regulate voltage levels and maximize battery life.

    Circuit Design:

    To effectively utilize BU21021GUL-E2 in a power management application, consider the following design optimizations:

    1. Input Voltage Regulation:

    Utilize appropriate input voltage filtering and protection circuitry to ensure the stability and reliability of the input voltage supplied to BU21021GUL-E2. Implement transient voltage suppression and reverse polarity protection to safeguard the regulator from voltage spikes and reverse voltage conditions.

    2. Output Voltage Regulation:

    Configure BU21021GUL-E2 to provide the desired output voltage with minimal ripple and noise. Employ output capacitors with low equivalent series resistance (ESR) and equivalent series inductance (ESL) to improve transient response and stability. Consider using feedback loop compensation techniques to optimize load transient response and minimize output voltage deviations.

    3. Thermal Management:

    Implement effective thermal management strategies to dissipate heat generated by BU21021GUL-E2 and associated components. Use thermal vias, copper pours, and heat sinks to enhance heat dissipation and maintain the regulator's operating temperature within safe limits. Perform thermal analysis to identify potential hotspots and optimize the layout for improved thermal performance.

    4. Efficiency Enhancement:

    Maximize the efficiency of the power supply circuit by selecting appropriate component values, minimizing switching losses, and reducing parasitic elements. Optimize the operating conditions, such as duty cycle and switching frequency, to achieve the desired balance between efficiency and performance. Consider implementing pulse frequency modulation (PFM) or pulse width modulation (PWM) control schemes to improve efficiency under light load conditions.

    5. Signal Integrity:

    Pay attention to signal integrity issues to prevent electromagnetic interference (EMI) and ensure reliable operation of the power supply circuit. Properly layout the PCB traces, minimize loop area, and use ground planes to reduce noise coupling and improve electromagnetic compatibility (EMC). Employ input and output filtering techniques, such as ferrite beads and LC filters, to suppress conducted and radiated emissions.

    Considerations:

    When designing with BU21021GUL-E2, consider:

    - Component Selection: Choose high-quality components with appropriate specifications to meet the requirements of the application and ensure long-term reliability.

    - Environmental Conditions: Evaluate the operating environment and ensure that the power supply circuit can withstand temperature variations, humidity, and mechanical stresses.

    - Regulatory Compliance: Verify compliance with relevant safety and regulatory standards, such as UL, CE, and FCC, to ensure the legal and safe operation of the electronic device.

    - Testing and Validation: Conduct thorough testing and validation of the power supply circuit to verify performance, efficiency, and reliability under normal and extreme operating conditions.

    BU21021GUL-E2 FAQ

    1. How to order BU21021GUL-E2 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 BU21021GUL-E2 is from the original manufacturer or authorized agents?

    We have a professional and experienced quality control team to strictly verify and test the BU21021GUL-E2. All suppliers must pass our qualification reviews before they can publish their products including BU21021GUL-E2 on icwhale.com; we pay more attention to the channels and quality of BU21021GUL-E2 products than any other customer. We strictly implement supplier audits, so you can purchase with confidence.

    3. Are the BU21021GUL-E2 price and inventory displayed accurate?

    The price and inventory of BU21021GUL-E2 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.

    Warm Tips: Some orders in certain payment forms may require handling fee.

    5. How is the shipping arranged?

    Customers can choose industry-leading freight companies, including DHL, UPS, FedEx, TNT, and Registered Mail. Shipping insurance is also available.

    Once your order has been processed for shipment, our salesperson will send you an email advising you of the shipping status and tracking number.

    Warm Tips: It may take up to 24 hours for the carriers to display tracking information. Usually, express delivery takes 3-5 days, and registered mail takes 25-60 days.

    6. What is the process for return or replacement of BU21021GUL-E2?

    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 BU21021GUL-E2 we delivered, we will accept the replacement or return of the BU21021GUL-E2 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 BU21021GUL-E2.

    (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

    7.How to contact us to get technical supports, such as BU21021GUL-E2 pin diagram, BU21021GUL-E2 datasheet?

    If you need any after-sales service, please do not hesitate to contact us.

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