High Sensitivity Hall-Effect Sensor
Description
APX2 84 A
High Sensit ivit y Hall I C for FAN Dr iver
Fe a t u r e s
General Description
• On-Chip Hall Sensor
The APX284A is an integrated Hall Effect Sensor IC de-
• Low Operating Supply Voltage: 3V
signed for electric commutation of two-phase DC
• High Sensitivity Hall Effect Sensor IC: ±30G (Type.
) brushless motor applications.
The device is built-in lock
• Built-In Reverse Voltage Protection Diode • Built-In Output Protection Clamping Circuit • Lock Protection and Auto Restart Function
protection.
When the fan is locked, the device will enter the lock protection mode.
The APX284A is available in a low cost TO-92M4 package.
• Built-In Thermal Protection Circuit
• 4 Pin TO-92M4 Package
• Lead Free and Green Devices Available
(RoHS Compliant)
Pin Description
Ap p lica t ion s
• Brushless DC Fans • Brushless DC Motors
APX284A
Front View
1 : VDD 2 : DO 3 : DOB 4 : GND
1 2 34
Ordering and Marking I nform ation
APX284A APX284A E :
APX
284A XXXX...
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