Welcome Here  Shenzhen Mingjiada Electronics Co., Ltd.

The BQ25756RRVR is a wide input voltage, switching mode buck-boost lithium-ion, lithium polymer or LiFePO4 battery charging controller with bi-directional power flow support. The device not only provides accurate charge current and charge voltage regulation, but also provides automatic charge pre-regulation, charge termination and charge status indication, enabling efficient battery charging over a wide voltage range.

Product attribute

Battery chemical composition: multi-chemical

Number of batteries: 1 to 16

Current - Charge: Constant current - programmable

Programmable features: current, timer, voltage

Fault protection: over current, over temperature, over voltage - under voltage

Charging current - Max. : 20A

Battery voltage: 70V (Max)

Voltage - Power supply (Max) : 70V

Interface: I²C

Operating temperature: -40°C ~ 85°C

Mounting type: Surface mount type

Package/housing: 36-VFQFN bare pad

Supplier Package: 36-VQFN (5x6)

Applications

• Kick electric scooters, electric bikes

• Cordless power tools, garden tools

• Robotic lawn mowers

• Portable power station

• Cordless vacuum cleaner, vacuum robot

• Solar charger

•USB-PD EPR (Extended power range)

• 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.