Customer Background
CONFU Electronics develops 2000W high-speed hair dryer solutions requiring 100,000 RPM motor control.
Pain Points
Stability at ultra-high speeds
Temperature control vs. safety balance
Consumer-grade cost control
Hunovate Solution
✓ Performance Enhancement
High-speed FOC sinusoidal drive: Instant start, fast acceleration, 20kHz PWM
Dual NTC + PID temperature control (±1.5℃)
✓ Safety Architecture
Five-fold protection: Over-current/Over-voltage/Under-voltage/Phase-loss/Stall protection
Ceramic PTC hardware protection
Cooperation Timeline
| Phase | Key Milestones |
| 2021-Q1 | Prototype passed 100,000-cycle switch test |
| 2021-Q4 | First 200,000-unit batch (±1.3℃ temp control) |
| 2022-Present | Annual end-product sales: 500,000 units |
Value Delivered
✅ Ultra-Fast Performance
0.8s acceleration to 100,000 RPM (Industry average: 1.5s)
Temperature control accuracy: ±1.3℃ (Target: ±2℃)
✅ Safety & Market Success
Five-fold protection ensures zero safety incidents
Annual end-product sales: 500,000 units (Return rate 0.7% vs industry 2.3%)
Project Impact
“The high-frequency FOC algorithm accelerates to 100,000 RPM in seconds. Smooth start characteristics significantly enhance user experience.”
— CONFU Electronics R&D Director