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APX285 Datasheet Preview

APX285 Datasheet

High Sensitivity Hall-Effect Sensor

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APX285
High Sensitivity Hall IC for FAN Driver
Features
General Description
On-Chip Hall Sensor
Low Operating Supply Voltage: 2.7V
High Sensitivity Hall Effect Sensor IC: ±20G (Type.)
Soft-Switch to Reduce Phase-Switching Noise
Built-In Output Protection Clamping Circuit
Lock Protection and Auto Restart Function
FGOutput
Built-In Thermal Protection Circuit
Pin TSOT-23-5F Package
Lead Free and Green Devices Available
(RoHS Compliant)
Applications
Brushless DC Fans
Brushless DC Motors
The APX285 is an integrated Hall Effect Sensor IC de-
signed for electric commutation of two-phase DC
brushless motor applications. The device is built-in lock
protection. When the fan is locked, the device will enter
the lock protection mode. The APX285 is available in a
low cost TSOT-23-5F package.
Pin Description
APX285
FG 1
GND 2
DOB 3
5 VDD
4 DO
TSOT-23-5F
(TOP VIEW)
Ordering and Marking Information
APX285
Assembly Material
Handling Code
Temperature Range
Package Code
Package Code
BE : TSOT-23-5F
Temperature Range
I : -40 to 105 oC
Handling Code
PB : Plastic Bag TR : Tape & Reel
Assembly Material
G : Halogen and Lead Free Device
APX285 BE :
285X
The last X is referred to as Date Code.
Note: ANPEC lead-free products contain molding compounds/die attach materials and 100% matte tin plate termination finish; which
are fully compliant with RoHS. ANPEC lead-free products meet or exceed the lead-free requirements of IPC/JEDEC J-STD-020D for
MSL classification at lead-free peak reflow temperature. ANPEC defines “Green” to mean lead-free (RoHS compliant) and halogen
free (Br or Cl does not exceed 900ppm by weight in homogeneous material and total of Br and Cl does not exceed 1500ppm by
weight).
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.
Copyright © ANPEC Electronics Corp.
1
Rev. A.1 - May., 2011
www.anpec.com.tw




ANPEC

APX285 Datasheet Preview

APX285 Datasheet

High Sensitivity Hall-Effect Sensor

No Preview Available !

APX285
Absolute Maximum Ratings (TA=25°C unless otherwise noted) (Note 1)
Symbol
Parameter
Rating
Unit
VDD
VDD Pin Supply Voltage
-0.3 to 20
V
VDO, DOB
IOUT
TJ
TSTG
TSOR
Output Pin (DO, DOB) Output Voltage
Maximum Output Pin (DO, DOB) Sink Current – Continuous (Note 2)
Hold
Peak (<100µs)
Maximum Junction Temperature
Storage Temperature
Maximum Lead Soldering Temperature, 10 Seconds
-0.3 to VOUT-CLAMP
V
300
600
mA
1000
150
oC
-65 to 150
oC
260
oC
Note 1: Note1: Stresses beyond those listed under "absolute maximum ratings" may cause permanent damage to the device. These
are stress ratings only and functional operation of the device at these or any other conditions beyond those indicated under
"recommended operating conditions" is not implied. Exposure to absolute maximum rating conditions for extended periods may affect
device reliability
Note 2: The maximum continuous current rating should refer recommend operating conditions (VDD, TA, TJ) to guarantee reliability.
Thermal Characteristics
Symbol
Parameter
Typical Value
Unit
θJA
Thermal Resistance-Junction to Ambient (Note 3)
TSOT-23-5F
250
oC/W
PD
Power Dissipation, TA = 25°C
TSOT-23-5F
500
mW
Note 3: The maximum allowable power dissipation at any TA (ambient temperature) is calculated using: PD(max)=(TJ - TA) / θJA;
TJ=150°C. Exceeding the maximum allowable power dissipation will result in excessive die temperature.
Recommended Operating Conditions
Symbol
VDD
TA
TJ
Parameter
VDD Supply Voltage
Operating Ambient Temperature
Junction Temperature
Range
2.7 to 16
-40 to 105
-40 to 125
Electrical Characteristics (TA=25°C, VDD=12V unless otherwise noted)
Symbol
Parameter
IDD1
IDD2
VSAT
VOUT-CLAMP
IDOH
IDOBH
VFG
IFGL
TON
TOFF
VDD Supply Current
Output Saturation Voltage
DO, DOB Output Clamp Voltage
DO Pin High Input Current
DOB Pin High Input Current
FG Pin Low Voltage
FG Pin Leakage Current
Lock Detection On Time
Lock Detection Off Time
Test Conditions
VDD = 3V, Output Open
VDD = 20V, Output Open
VDD = 12V, IOUT = 300mA
DO, DOB Pin Off
VDO = 12V, B<Brp
VDOB = 12V, B>Bop
IFG = 5mA
FG Off, VFG = 12V
Min.
-
-
-
20
-
-
-
-
-
-
APX285
Typ.
2
2
210
24
120
120
0.2
0.1
0.4
2.8
Max.
4
4
300
28
200
200
0.4
1
-
-
Unit
V
oC
oC
Unit
mA
mA
mV
V
µA
µA
V
µA
sec
sec
Copyright © ANPEC Electronics Corp.
2
Rev. A.1 - May., 2011
www.anpec.com.tw



Part Number APX285
Description High Sensitivity Hall-Effect Sensor
Maker ANPEC
Total Page 3 Pages
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APX285 Datasheet PDF





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