FD178B Overview
Description
1 O1 Output driving & sinking pin 1 2 VSS Ground pin Frequency generator or rotating detector FD178：FG 3 FGR FD178B：FG/2 FD178C：RD 4 HP Hall sensor in+ 5 HN Hall sensor in- 6 PWM PWM control pin 7 VDD Power supply pin 8 O2 Output driving & sinking pin 2 Single Coil Brushless DC Motor Drivers with Soft.
Key Features
- Built-in Hall sensor input signal amplifier
- PWM control circuit
- Low voltage startup (VDD=2V)
- High driving capability
- Lock detection and automatic self-restart
