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ON Semiconductor FAN7385MX

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ON Semiconductor
14-SOIC (0.154, 3.90mm Width)
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    FAN7385MX this integrated circuit is available in factory sealed anti static packs. at Please read product page below detail information. including FAN7385MX 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 FAN7385MX 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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    FAN7385MX Typical application Circuitry


    The FAN7385MX is a high-voltage, high-speed gate driver IC designed for driving N-channel MOSFETs and IGBTs. This IC is commonly utilized in applications requiring efficient and fast switching, such as motor drives, inverters, and power supplies.

    Application Scenarios:

    One typical application of the FAN7385MX is in three-phase motor drive systems, where it is used to control the high-speed switching of MOSFETs or IGBTs in the inverter stage, facilitating the conversion of DC to three-phase AC power.

    Parameter Characteristics:

    The FAN7385MX features include high output current capability, under-voltage lockout protection, and high-voltage tolerance, making it suitable for driving high-power and high-voltage switching devices.

    Circuit Connection for a Three-Phase Motor Drive:

    1. High-Side and Low-Side Driving: The FAN7385MX is capable of driving both the high-side and low-side switches in an inverter circuit. Connect the high-side outputs (HO1, HO2, HO3) of the FAN7385MX to the gates of the high-side MOSFETs or IGBTs and the low-side outputs (LO1, LO2, LO3) to the gates of the low-side switches.

    2. Bootstrap Capacitors: For high-side gate driving, bootstrap capacitors are necessary. Connect a bootstrap capacitor between the VB1 (VB2, VB3) and VS1 (VS2, VS3) pins for each phase. This provides the necessary voltage for turning on the high-side switches.

    3. Input Signals: Apply the control signals to the IN1, IN2, and IN3 pins of the FAN7385MX. These signals determine the switching of the MOSFETs or IGBTs in the inverter circuit, controlling the motor's speed and direction.

    4. Power Supply and Grounding: Connect the VCC pin to a suitable positive voltage supply, and ensure all ground pins (COM) are properly connected to the circuit ground. Good grounding is essential to prevent noise and ensure stable operation.

    Design Considerations:

    1. Dead Time Control: To prevent shoot-through in the inverter, it's crucial to ensure there is adequate dead time between the turn-off of one switch and the turn-on of the complementary switch in each half-bridge. This can be managed by the timing of the input signals to the FAN7385MX.

    2. Heat Dissipation: The FAN7385MX can generate significant heat during operation, especially at high frequencies or high output currents. Adequate heat sinking or cooling measures should be implemented to prevent overheating.

    3. Bootstrap Capacitors: The size of the bootstrap capacitors should be chosen carefully to ensure they can provide sufficient charge to turn on the high-side drivers throughout the entire switching cycle, without causing the bootstrap voltage to drop below the under-voltage lockout threshold.

    4. Layout Considerations: Minimize the loop area formed by the high-current paths to reduce electromagnetic interference (EMI). Careful PCB layout can also help to minimize the parasitic inductances and capacitances, which can affect the performance of the FAN7385MX and the overall circuit.

    By addressing these considerations and properly connecting the FAN7385MX in a three-phase motor drive circuit, designers can achieve efficient and reliable control over high-power motors, leveraging the robust features of the FAN7385MX to optimize performance.

    FAN7385MX informationFAN7385MX information

    FAN7385MX FAQ

    1. How to order FAN7385MX on

    Currently, 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 guarantee that FAN7385MX is from the original manufacturer or authorized agents?

    We have a professional and experienced quality control team to strictly verify and test the FAN7385MX. All suppliers must pass our qualification reviews before they can publish their products including FAN7385MX on; we pay more attention to the channels and quality of FAN7385MX products than any other customer. We strictly implement supplier audits, so you can purchase with confidence.

    3. Are the FAN7385MX price and inventory displayed accurate?

    The price and inventory of FAN7385MX 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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    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 FAN7385MX?

    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 FAN7385MX we delivered, we will accept the replacement or return of the FAN7385MX 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 FAN7385MX.

    (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 FAN7385MX pin diagram, FAN7385MX datasheet?

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