LV8805SV is a 3-phase sensorless motor driver IC. 3-phase driver allows low power consumption and low vibration. And Hall sensorless drive allows reduction of the size of a motor system. This IC is suitable for use in products which require high reliability and long life such as server fan and refrigerator fan.
特性
优势
Direct PWM three-phase sensorless motor driver
Easy Manufacturing
Built-in current limit circuit (Operates when RF resistance is 0.25Ω and Io=1A)
Current Protection
Built-in lock protection and auto-recovery circuit
Destruction protection
Built-in TSD (thermal shutdown) circuit
Thermal Protection
Direct PWM signal input for speed control PWMIN pin
High Efficiency
Soft-Booting
Stability at booting
Soft-Switching
Silent
Built-in Beat Lock Protection
Beat Lock Protection
1chip Driver
Easy Manufacturing
NchDMOS output transistor
FG (rotation count) output signal pin / RD (lock detection) output signal pin