Welcome Here  Shenzhen Mingjiada Electronics Co., Ltd.

RK837 built-in ARM-Cortex-M0 core protocol chip, support USB-A and USB-C dual-port fast forward, support PD2,0/PPS fast charging protocol and QC2.0/3.0/44.0+/VOOC Express protocol, built-in MCU and DP/DM interfaces for mainstream high-speed charging protocols, support for output voltage and current ADC acquisition, support constant voltage and current and output switching control and discharge control.

Key Features

Cortex-M0 MCU

Embedded flash memory

Support USB PD 3.0, PD TID No. 5141

Supports QC4+ protocol, report number QC20210303222

Supports one USB Type-C port and one Type-A port

• 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.