Intelligent Electronic Module Supply Chain Enterprises

As vehicle battery systems move toward higher voltage and higher energy density, BMS suppliers face rapidly increasing technical demands:

• Tighter safety clearances and insulation requirements
• Miniaturization of modules leading to dense wiring
• More channels, more signals, more connection points
• Stringent testing for temperature rise, dielectric strength, and reliability

👔 Customer Requirements

A smart BMS manufacturer preparing for a vehicle-grade program required:

• High-insulation, high-voltage wiring structure
• Compact connector systems for dense signal layouts
• Rapid prototype engineering + full reliability testing
• Consistent electrical performance and safe temperature limits

Our Advantages

1️⃣ Specialized BMS design capability

• Optimized signal + high-voltage wire separation
• Safety clearance and dielectric design
• High-density terminal planning

2️⃣ Robust manufacturing and process control

• Automated high-speed production lines
• Real-time crimp monitoring
• 100% continuity and withstand-voltage checks
• UL, ISO, and automotive PPAP compliance

3️⃣ Complete reliability verification

• Thermal shock (-40°C to +105°C)
• LV124 / IBS automotive testing
• Temperature rise + humidity cycling
• Vibration & long-term fatigue testing

📄 Solution & Results

Jiusu developed a compact HV connector layout with optimized routing inside the BMS and enhanced insulation protection.
Outcome:

• Lower module power loss
• 12–15% reduction in temperature rise
• Passed full automotive-grade certification
• Customer secured multiple EV OEM programs

📦️ Recommended Products

• ✔️BMS signal harnesses
• ✔️High-voltage connectors and orange HV cables
• ✔️High-density terminal assemblies
• ✔️Integrated BMS wiring modules