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The LMR38020FSQDDARQ1 synchronous buck converter is designed to regulate over a wide input voltage range, minimising the need for external surge suppression components. The ability to continue to operate at nearly 100% duty cycle as needed during input voltage dips down to 4.2V makes it ideal for 48V battery automotive applications and MHEV/EV systems.

The LMR38020FSQDDARQ1 uses a precision enable terminal to provide flexibility by supporting direct connection to a wide range of input voltages or precise control of device startup and shutdown. A power up flag with built-in filtering and delay provides a true indication of system status, eliminating the need for external monitors. The device features pseudo-random spreading for ultra-low EMI, and the switching frequency can be configured between 200kHz and 2.2MHz to avoid noise-sensitive bands. In addition, the frequency can be selected to improve efficiency at low operating frequencies or to reduce the size of the solution at high operating frequencies.

The device has built-in protection features such as cycle-by-cycle current limiting, intermittent mode short-circuit protection, and thermal shutdown in case of excessive power consumption. The LMR38020FSQDDARQ1 is automotive AEC-Q100 Level 1 compliant and is available in an 8-pin HSOIC PowerPAD integrated circuit package.

Features

- Meets AEC-Q100 for automotive applications

- Temperature Class 1: -40°C to +125°C, TA

- Functional Safety

- Documentation available for functional safety system designs

- Designed for harsh automotive applications

- 4.2V to 80V input voltage range

- 2A continuous output current

- 40µA ultra-low quiescent operating current

- Distance between VIN and GND pins greater than 1.5mm

- Adjustable switching frequency range of 200kHz to 2.2MHz

- Synchronised with external clock frequency

- Spread spectrum reduces EMI

- 97% maximum duty cycle

- Supports startup with pre-biased outputs

- Room temperature ±1.0% tolerance voltage reference

- Precision Enable Terminal

- Easy-to-use device with integrated compensation network for low BOM counts

- Integrated synchronous rectification

- 8-pin HSOIC in PowerPAD™ integrated circuit package

- PFM and Forced PWM (FPWM) Options

- 1A version available LMR38010-Q1

- Use the LMR38020-Q1 and create a custom design with WEBENCH® Power Designer

Applications

- Automotive inverters and motor control

- Automotive DC/DC converters

- Automotive battery management systems

- Automotive 48V light hybrid ECU bias power supplies

• 1.Is the inventory and price seen on the platform accurate?

  A: all online goods on the shelves can be ordered online, but considering the large liquidity of spot inventory, it is not possible to achieve 100% accuracy at present. In case of any abnormality, you can contact our company online and give the corresponding solution.

• 2.Are all our products genuine?

  A: our self-supporting products are from cooperative domestic and foreign original factories or authorized agents, and the source can be traced to ensure the original and authentic products.

• 3.Can you provide the qualification certificate of the original factory or agent?

  A: at present, our self-employed brands TI，ST，ADI，NXP，LATTICE，CYPRESS，INFINEON，XILINX and other first-line brands. Other channels are the original factory and agency channels. If necessary, we can communicate and confirm according to the specific brand and model.

• 4.Can I make an inquiry through the company's website?

  A: You can inquire through the website, or by phone and email.

• 5.When can I deliver the goods after placing an order? How long will it take to get there?

  A: the delivery date is marked in most commodity information. You can estimate the delivery time of the commodity according to the delivery date. The specific arrival time depends on the warehouse where the commodity is located and the logistics mode you choose.

• 6.Can the company issue an invoice?

  A: you can issue ordinary invoices for individual users or special VAT invoices for enterprise users.