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LM51571QRTERQ1 device is a wide input range, nonsynchronous boost converter with integrated 50-V,6.5-A or 50-V, 4.33-A power switch.

The device can be used in boost, SEPIC, and flyback topologies. The device can start up from a single-cell battery with a minimum of 2.9 V. It can operate with the input supply voltage as low as 1.5 V if the BIAS pin is greater than 2.9 V.

Features

AEC-Q100 qualified for automotive applications

Functional Safety-Capable

Suited for wide operating range for car battery applications

2.9-V to 45-V input operating range

48-V maximum output

Input transient protection up to 50 V

Maximum switching frequency up to 2.2 MHz

Minimized undershoot during cranking

Selectable dual random spread spectrum

Higher efficiency with low-power dissipation

Fast switching, small switching loss

Avoid AM band interference and crosstalk

Optional clock synchronization

Integrated protection features

Constant current limiting over input voltage

Selectable hiccup mode overload protection

OVP protection

Thermal shutdown

Accurate ±1% accuracy feedback reference

Adjustable soft start

Applications

Battery-powered wide input boost, SEPIC, flyback converter

Automotive voltage stabilizer in SEPIC

Automotive start-stop application

Automotive emergency call application/backup battery booster

High voltage LiDAR power supply

Automotive LED bias supply

Multiple-output flyback without optocoupler

Holdup capacitor charger

Audio amplifier power supply

Piezo driver/motor driver bias supply

• 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.