1. Background Overview
In industrial automation systems, sensors play a vital role in enabling intelligent monitoring and equipment interaction. A European client recently sought to develop a PIR-based motion sensor module for use in equipment activity detection and control systems. The module required high sensitivity, strong anti-interference capability, low power consumption, and stable performance in harsh industrial environments. KKPCB provided a one-stop solution covering both PCB fabrication and PCBA assembly, ensuring fast, reliable, and cost-effective manufacturing.
2. Application Scenarios
This motion sensor module is designed for various industrial applications:
- Smart Lighting Control: Activates/deactivates lighting based on human or machine movement;
- Security Monitoring: Detects unauthorized motion in unmanned zones;
- Equipment Status Detection: Monitors robotic arms or AGV activity for logic control;
- Energy Management Systems: Optimizes HVAC and other utilities based on occupancy detection.
3. Product Specifications (Table Format)
| Parameter Category | Specification |
|---|---|
| Sensing Technology | Passive Infrared (PIR) |
| Operating Voltage | DC 3V–5.5V |
| Operating Current | < 45μA @3V |
| Detection Range | Up to 8 meters (typical) |
| Detection Angle | Horizontal 110° |
| Response Time | < 2 seconds |
| Output Format | Digital Output (High/Low) |
| Operating Temperature | -20°C to +60°C |
| Module Dimensions | 22.7mm × 10.5mm |
4. Application Results
| Optimization Area | Results |
|---|---|
| Performance | Detection sensitivity improved by 15%; better anti-interference in noisy environments |
| Cost Reduction | ~12% cost savings by optimizing BOM and using locally sourced components |
| Delivery Time | Prototype-to-small batch delivery in just 12 working days (5 days faster than previous supplier) |
| Quality | 100% functional test pass rate; failure rate < 300 DPPM in pilot batch |
5. KKPCB Advantages Highlighted in This Project
KKPCB demonstrated its strength as a trusted, zero-defect PCBA manufacturer through:
- Advanced SMT & DIP production lines supporting 01005, QFN, BGA, and more;
- Flexible prototyping to small/medium batch delivery, covering R&D to pilot runs;
- Bilingual engineering support (English/Chinese) for efficient communication;
- Comprehensive AOI, X-ray, and functional testing to ensure zero-defect delivery;
- Value-added component localization service to reduce sourcing risks and costs.
6. KKPCB’s Custom Manufacturing Solution (Focused on PCB & PCBA Execution)
For this client, KKPCB’s tailored manufacturing solution included:
- PCB Design Optimization Suggestions: Recommended high CTI base material for high-impedance input circuits and enhanced grounding layout to reduce noise;
- Refined PCBA Process: Adopted low-temperature solder paste and tight reflow temperature control to protect sensitive components;
- Customized AOI + Functional Test Jig: Ensured digital output logic worked reliably across all units;
- Fast Prototyping & Split Delivery: First prototype completed in 5 days; 1,000 pcs delivered within 10 days after confirmation;
- Component Replacement Service: Helped the client replace high-cost imported components (e.g., MCU, LDO) with equivalent domestic options, ensuring consistent performance at a lower cost.
7. Real-World Outcome of the Solution
The delivered PCBA solution brought measurable improvements:
- Quality: Passed 72-hour aging and temperature cycling tests at client site; 100% acceptance rate, no returns;
- Performance: 15% improvement in sensitivity; false trigger rate reduced by approx. 30%;
- Cost Efficiency: 12% cost savings thanks to localized sourcing and manufacturing optimization;
- Lead Time: Reduced delivery cycle to 12 working days, ~30% faster than previous supplier;
- Supply Chain Reliability: All key components are now sourced in China, avoiding EU supplier shortages and delivery uncertainties.
