Copyright  ANPEC Electronics Corp.
Rev. A.4 - Apr., 2003
APX9142
www.anpec.com.tw1
ANPEC reserves the right to make changes to improve reliability or manufacturability without notice, and advise
customers to obtain the latest version of relevant information to verify before placing orders.
High Sensitivity Hall Effect Sensor IC with Reverse Voltage Protection
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.
Pin Description
Ordering and Marking Information
Features General Description
Applications
• Brushless DC Fan
• Revolution Counting
• Brushless DC Motor
• Speed Measurement
• 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
APX9142
Magnetic Rank
Handling Code
Temp. Range
Package Code
Magnetic Rank
AT : | Bop , Brp | < 50 Gauss
A : | Bop , Brp | < 65 Gauss
B : | Bop , Brp | < 90 Gauss
Package Code
E : TO - 92M 4
Temp. Range
E : - 20 to 85 C
Handling Code
PB : Plastic Bag TB : Tape & Box
TR : Tape & Reel

°
APX9142 E :
APX
9142
XXXXX
XXXXX - Date Code
APX9142
1 : V
DD
23
2 : DO
1
3 : DOB
4
4 : GND
Front View