
Anpec Electronics
General Description
The APX9322A is a three-phase full-wave sine-wave brushless motor drive by sensor-less. This IC built-in linear or direct PWM input speed control, leading angle setting, current limit and soft start features suitable for the three-phase brushless DC motors. The APX9322A is available in QFN4x4-24 package (see Pin Configuration).
FEATUREs
• Three-Phase Full-Wave Sine-Wave Driver
• Sensor-Less driver control
• Rpm-Curve Control
• Rotation Direction Selectable
• Built-in 5V LDO Regulator
• Built-in Current Limit Circuit
• Built-in Over Current Protection
• Built-in Lock Protection and Auto Restart Function
• Soft Start Function
• FG, 1/2FG, 1/3FG or RD Output
• Built-in Thermal Shutdown Protection
• QFN4x4-24 Package
• Lead Free and Green Device Available (RoHS
Compliant)
• PWM or SET or PWM+SET control OUT Duty
• Power Saving Function (PWM=0)
• Reset Signal Input
APPLICATIONs
• Home Appliance Cooling Fan
• Instrumentation Fan