General Description
The APX9142 is an integrated Hall Effect Sensor IC designed for electric commutation of DC brushless motor applications. The APX9142 still can operate at as low as 3 volts. The APX9142 is available in low cost TO -92M4 package with 3 different magnetic ranks.

FEATUREs
• On-chip Reverse Voltage Protection
• On-chip Hall Sensor
• Low Operating Supply Voltage : 3 V
• High Output Sinking Capability up to 400mA
• Versatile sensitivity and hysteresis setting
• Reliable and Rugged
• 4 pin TO-92M Package
• Build-in Output Zener Diodes to Clamp the Peak Output Voltage
• High Sensitivilty Hall Effect Senser IC:±50G, ±65G, and ±90G

APPLICATIONs
• Brushless DC Fan
• Revolution Counting
• Brushless DC Motor
• Speed Measurement