lmages are for reference only See Product Specifications

Infineon Technologies BTS721L1

Part No.:
Infineon Technologies
In Stock:
  Add To Cart
For more detailed including pricing and shipping
Quick response, quick quotation
Flash shipment, no worries after sales
Original channel, guarantee of the authentic products

Please send RFQ , we will respond immediately.

Part Number
Email / phone number*
Contact Name / Company Name
  • Purchase and inquiryPurchase and inquiry

    BTS721L1 this integrated circuit is available in factory sealed anti static packs. at Please read product page below detail information. including BTS721L1 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 BTS721L1 to optimize the supply chain (including cross references, life-cycle, parametric, counterfeit risk, obsolescence managements forecasts), please contact to our Tech-supports team.

    Purchase in

    There is no doubt that you may place an order without registering to

    We strongly suggest you sign in our shop before purchasing as you can track your order real-time tracking.

    Means of Payment in

    For your convenience, we support multiple payment methods in USD, including PayPal, Credit Card, wire transfer. and Alipay.

    RFQ (Request for Quotations) in

    It is recommended to acquire for quotations to get the latest prices and inventories about the parts.

    Our sales will reply to your request by email within 24 hours.

    Warm reminder

    1. You'll receive an order information email in your email inbox. (Please remember to check the spam folder if you didn't hear from us).

    2. Since inventories and prices may fluctuate to some extent, the sales manager is going to reconfirm the order and let you know if there are any updates.

    Shipping & Handling

    Shipping fee starts at $35, but some countries will exceed $35. For example (South Africa, Brazil, India, Pakistan, Israel, etc.)

    The basic freight (for package ≤0.5kg or corresponding volume) depends on the time zone and countries.

    Shipping Method

    Currently, our products are shipped through DHL, FedEx, SF, UPS and China Post.

    Order Tracking for International Orders

    Once your order has been shipped, the tracking number will be sent to the email address registered to your account. This information can also be viewed when logged into your account in the "my account" page.


    BTS721L1 Typical application Circuitry


    The BTS721L1, produced by Infineon Technologies, is a renowned high-side power switch. Known for its robust features, including short-circuit protection and built-in diagnostic feedback, the BTS721L1 has found its niche in automotive and industrial applications. Delving into the intricate details of the BTS721L1's connections can offer a foundation for optimal utilization in various designs.

    1. Input Pins (IN1 - IN4): The BTS721L1 boasts four independent channels, each governed by an input pin. By applying a high signal to these pins, the corresponding channel is activated, allowing current to flow from the respective output. The logic behind these pins is TTL compatible, offering flexibility in interfacing with microcontrollers or other logic circuits.

    2. Output Pins (OUT1 - OUT4): Corresponding to the aforementioned input pins, each activated channel on the BTS721L1 directs its flow through these output terminals. They connect directly to the load, ensuring seamless energy transmission.

    3. Ground (GND): As a critical reference point, this pin is mandatory for stabilizing the BTS721L1 and ensuring its precision operations. All return currents from the loads flow through this pin, underscoring its importance.

    4. Status Feedback Pins (ST1 - ST4): One of the defining features of the BTS721L1 is its diagnostic feedback capability. Each channel possesses a status pin, offering insights into the channel's health or signaling potential issues like open-load or over-temperature conditions.

    5. Voltage Supply (VS): The BTS721L1 draws its operational power from this pin. Proper decoupling, often with a capacitor placed close, ensures noise-free operation and stability across varying load conditions.

    As innovators embark on their journey with the BTS721L1, they are not just wiring pins but orchestrating a symphony of high-current applications. The Infineon documentation acts as a compass, illuminating nuances and ensuring that the BTS721L1 becomes the linchpin in any robust high-side switching solution.

    BTS721L1 informationBTS721L1 information

    BTS721L1 FAQ

    1. How to order BTS721L1 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 BTS721L1 is from the original manufacturer or authorized agents?

    We have a professional and experienced quality control team to strictly verify and test the BTS721L1. All suppliers must pass our qualification reviews before they can publish their products including BTS721L1 on; we pay more attention to the channels and quality of BTS721L1 products than any other customer. We strictly implement supplier audits, so you can purchase with confidence.

    3. Are the BTS721L1 price and inventory displayed accurate?

    The price and inventory of BTS721L1 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 BTS721L1?

    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 BTS721L1 we delivered, we will accept the replacement or return of the BTS721L1 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 BTS721L1.

    (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 BTS721L1 pin diagram, BTS721L1 datasheet?

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

    Hot Products







    Contact Us