High Voltage Hall Effect Latch Features On-chip Hall plate Operat
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AH266
High Voltage Hall Effect Latch Features
On-chip Hall plate Operating voltage: 4V~28V Output current: 400mA(Continuous, 25oC) Reverse protection diode only chip reverse power connecting (Note) Output protection Zener breakdown Vz=62V(Typ) Package: SIP-4L
(Note) Protection diode only exists power pin(1,4) output, including (2,3).
General Description
AH266 integrated Hall sensor with output drivers designed electronic commutation brush-less motor applications. device includes on-chip Hall voltage generator magnetic sensing, comparator that amplifies Hall voltage, Schmitt trigger provide switching hysteresis noise rejection, complementary darlington open-collector drivers sinking large current loads. internal bandgap regulator used provide temperature compensated supply voltage internal circuits allows wide operating supply range. magnetic flux density larger than operate point (Bop), turn (low) turn (high). outputs state latched prior reach release point (Brp). Brp, turn turn AH266 rated operation over temperature range from -20oC voltage range from 28V. devices available cost forms rugged packages.
Application
Dual-coil Brush-less Motor Dual-coil Brush-less Revolution Counting Speed Measurement
Assignment
Configuration
Name Description Positive Power Supply Output Output Ground
Ordering Information
AH266
Wafer Body Blank necessary specify
Package SIP-4L
Lead Lead Free Blank: Normal
Packing Blank Tube Taping
Magnetic Characteristics
This datasheet contains product information. Anachip Corp. reserves rights modify product specification without notice. liability assumed result this product. rights under patent accompany sale product.
Rev. 2005
AH266
High Voltage Hall Effect Latch Block Diagram
REG.
Hall Plate
Typical Application Circuit
coil1
coil2
Brush-less
Note: This application circuit can't protect reverse coil current power connecting reverse.
Anachip Corp. www.anachip.com.tw
2005
AH266
High Voltage Hall Effect Latch Absolute Maximum Ratings 250C
Parameter Supply voltage Output "OFF voltage Output "ON" current Magnetic flux density Operating temperature range Storage temperature range Power dissipation (Note Thermal Resistance
Note Io(con) 85°C Performance Characteristic other conditions
Symbol Vout (off) (con) (hold) (peak) Tstg
Rating (Note Unlimited -20~+85 -65~+150
Unit Gauss °C/W
Electrical Characteristics 25°C
Characteristic Supply Voltage Output Zener Breakdown Output Saturation Voltage Output Leakage Current Supply Current Output Rise Time Output Falling Time Switch Time Differential Symbol Vce(sat) Icex Conditions Output Turn Vcc=24V, Ic=400mA Vce=24V, Vcc=24V Vcc=24V, Output Open Vcc=24V, RL=820, CL=20pF Vcc=24V, RL=820, CL=20pF Vcc=24V, RL=820, CL=20pF Unit
Test Circuit
Vout1(DO)
Vout2(DOB)
RL1=RL2=820 CL1=CL2=20
Anachip Corp. www.anachip.com.tw
2005
AH266
High Voltage Hall Effect Latch Magnetic Characteristics (Ta=+25oC)
(1mT Gauss) grade Characteristic Operate Point Release Point Hysteresis grade Characteristic Operate Point Release Point Hysteresis Symbol Symbol Min. Min. -100 Typ. Typ. Max. Max. Unit Gauss Gauss Gauss Unit Gauss Gauss Gauss
Output Voltage Volts Output Voltage Volts
Turn
Turn
Turn
Turn
Vsat Magnetic Flux Density Gauss
Vsat Magnetic Flux Density Gauss
Performance Characteristics (SIP-4L)
(°C) (mW) (°C) (mW)
Power Dissipation Curve
Anachip Corp. www.anachip.com.tw
2005
AH266
High Voltage Hall Effect Latch Operation Characteristics
Output Voltage
Marking side
High
SIP4
Vsat
Magnetic flux density
Marking Information
Front View Part Number
Blank: normal Lead Free Package Code: week: 01~52 Year: 2001 2002
Anachip Corp. www.anachip.com.tw
2005
AH266
High Voltage Hall Effect Latch Package Information
Active Area Depth
Marking side
1.046mm
Package Sensor Location
1.971mm
0.7mm
Package Dimension
1.55mm +/-0.1mm 1.03mm +/-0.1 0.30mm +/-0.1mm
14.25mm +/-1.25mm 0.38mm +/-0.03mm
3.65mm +/-0.1mm
0.46mm +/-0.03mm
0.41mm +/-0.03mm 3.81mm +/-0.03mm
5.22mm +/-0.1mm 4.20mm +/-0.1mm
0.2mm Max. 1.42mm+/-0.1mm
1.27mm +/-0.03mm
Anachip Corp. www.anachip.com.tw
2005
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