One-Stop Purchasing Inspection Service in China

Our SMT DIP, high quality pcb assembly one stop service for customers product, ventilation system pcb assmebly has been well-received by our customers due to its high quality and competitive prices. Our development has always been guided by moving closer to high-tech and large-scale, with the goal of thanking customers and serving the society. We follow the principle of cooperation and harmony, and have established a deep, excellent and good cooperative relationship with suppliers across the country. Through the introduction of management and technology and the establishment of staff training system, we constantly improve the ability of internal management and customer service. We have created many of the world's leading design theories and new production methods.

The BMS Main Control Board PCBA is a high-performance printed circuit board assembly designed to serve as the central control unit for advanced battery management systems. This sophisticated electronic component integrates precision monitoring, intelligent control, and comprehensive protection functions to ensure optimal performance and safety of battery packs in various applications.

Product Specifications​​

​​Microcontroller​​: 32-bit ARM Cortex-M series processor

​​Voltage Monitoring​​: 16-channel cell voltage detection (±1mV accuracy)

​​Current Sensing​​: High-precision Hall sensor interface (±0.5% accuracy)

​​Temperature Monitoring​​: 8-12 channel NTC inputs

​​Communication Interfaces​​: CAN 2.0B, RS485, SPI, I2C

​​Protection Features​​: Over-voltage, under-voltage, over-current, short-circuit, and temperature protection

​​Operating Temperature​​: -40°C to +85°C

​​Certifications​​: ISO 9001, IATF 16949, UL recognition

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The Importance of BMS Main Control Board PCBA​​
As the "brain" of battery management systems, the BMS Main Control Board PCBA plays a critical role in:

Extending battery lifespan through balanced charging/discharging

Preventing dangerous operating conditions that could lead to thermal runaway

Providing real-time data for performance optimization

Ensuring compliance with international safety standards

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Role of PCBA in BMS Main Control Boards​​
The PCBA integrates multiple essential functions:

​​Signal Processing​​: Converts analog sensor data into digital signals

​​Algorithm Execution​​: Runs complex battery state estimation algorithms (SOC, SOH, SOF)

​​Power Management​​: Regulates power distribution to various subsystems

​​Communication Hub​​: Facilitates data exchange between battery packs and external systems

​​Application Fields​​

​​Electric Vehicles​​ (EVs, HEVs, PHEVs)

​​Energy Storage Systems​​ (ESS) for renewable energy integration

​​Industrial Equipment​​ including forklifts and AGVs

​​Telecom Backup Power​​ systems

​​Marine and Aerospace​​ battery systems

Introduction for BQC

We are the designated supplier of the No.1 brand of China domestic sweeping robots.

We are the designated supplier of the Top 5 Int'l On-grid Electricity energy storage and Top 3 Marine energy storage integrator.

Found in 2003, 21 years experience, 736 people, 15000 SQM factory, fully IATF16949, ISO14001, ISO9001, ISO13485 certificated.

22 SMT lines, 4 DIP lines, 4 hand soldering lines, 3 finished assembly lines, 7 conformal coating lines, 4 testing lines.

Professional R&D team & engineering team: hardware design (PCB layout, schematic), software, ID&MD design, mold/tooling design.

DFM analysis, Automatic programming and testing fixture design.

Supply chain: BQC gets "big customer" level services and supports from ADI NXP TI ST Microchip and domestic first-line IC brand etc.

LLT component free backup

components replacement brings 30% cost down and lead time shorten.

FQA

Q1: BQC just produce only prototypes or customer can order production quantities ?

A1: BQC is EMS factory, we not only do prototypes, but also do mass production for our customer.

Q2: What are the advantages of your company's OEM service?

A2: Our product costs are gradually reduced and our project are increasingly optimized.

We make positive contributions to promote the level of science and technology and advance the modernization of the One-Stop Purchasing Inspection Service in China industry. We started the institutional reform and business model innovation of the company, which further enhanced the competitiveness of the enterprise and significantly improved the operational efficiency. For our customers, we should do our best to provide them with the most sincere, caring and thoughtful services.