Customer Background
CONFU Electronics develops 2000W high-speed hair dryer solutions requiring 100,000 RPM motor control.

 

Case confu hair dryer driver board projectPain 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