U8505F

The U8505X is an IC dedicated to flasher controllers for electric bicycles. It supports DC voltage ratings of 30 V (U8505C), 60 V (U8505D), or 100 V (U8505F), significantly enhancing the reliability of flasher controllers. The solution features a simple design that substantially reduces solution cost, improves production efficiency, lowers product failure rates, and enhances overall product quality. The IC incorporates multiple built-in protection mechanisms to prevent damage to the flasher controller and related power supply lines on the electric bicycle under certain abnormal operating conditions, with automatic protection release once normal operation resumes. This not only improves the inherent reliability of the flasher controller, but also reduces the probability of rework for the entire electric bicycle.

Applications

• Electric bicycle flashing controller
• Neon light controller
• Signal light controller

Key features

• Integrated 30 V/60 V/100 V MOS
• VM startup voltage range: 9–60 V
• Simple peripheral circuit, only one capacitor required
• Supports direct drive of passive buzzer
• Internal clock circuit for stable flashing frequency
• Cycle-by-cycle overcurrent limiting protection
• Cycle-by-cycle over-temperature shutdown protection
• Short-circuit protection
• ESOP8 package