Welcome Here  Shenzhen Mingjiada Electronics Co., Ltd.

MAX77857BEWB is a high-efficiency, high-performance buck-boost converter targeted for systems requiring a wide input voltage range (2.5V to 16V). It features 7A switching current and can supply up to 6A output current in buck mode and up to 4A in boost mode (Boost Ratio ≤ 1.3).

Benefits and Features

Wide Input Voltage Range: 2.5V to 16V

Default Output Voltage

5V with Internal Feedback Resistors

3V to 15V with External Feedback Resistors

Maximum Output Current

Buck Mode: Up to 6A

Boost Mode: Up to 4A (Boost Ratio ≤ 1.3)

7A Typical Switching Current

I2C Programming

Output Voltage (DVS)

Slew Rate of Output Voltage Change

Switching Current Limit Threshold

Switching Frequency

Forced PWM Mode Operation (FPWM)

Power-OK (POK) Status and Fault Interrupt Masks

Applications

USB Power Delivery (USB-PD) OTG

Qualcomm® Quick Charge™

USB VBUS Supply and DRP (Dual Role Power) Ports

DSLR, DSLR Lens

Display Power

Up to 3-Cell Li-Ion Battery Applications

Notebook Computer, Tablet PC

• 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.