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AH172

Internal Pull-up Hall Effect Latch Features

AH172
Internal Pull-up Hall Effect Latch Features
- Bipolar Hall effect latch sensor - 3.0V to 20V DC operation voltage - Built-in pull-up resistor - 25mA output sink current - Operating temperature: -20°C to 85°C - Package: SIP3, SOT23
General Description
Applications
- Rotor position sensing - Current switch - Encoder - RPM detection
Pin Assignments
(Top view)
3. OUT 2. GND 1. VCC (SIP3 package)
Pin Descriptions
Name VCC GND OUT Description Positive power supply Ground Output stage
3. OUT GND 2. 1. VCC ( SOT23 package)
Ordering Information
Wafer Body Blank or A~Z : if necessary to specify
Package P: SIP3 W: SOT23
Lead L : Lead Free Blank: Normal
Packing Blank : Tube or Bulk A : Tape & Reel
Magnetic Characteristics A or B
This datasheet contains new product information. Anachip Corp. reserves the rights to modify the product specification without notice. No liability is assumed as a result of the use of this product. No rights under any patent accompany the sale of the product.
Rev. 0.4 May 7, 2004 1 / 6
AH172
Internal Pull-up Hall Effect Latch Block Diagram
Functional Application Circuit
Digital Hall Effect Sensor M: Three Phase Hall Motor
Driver & Control Logic
IC Ia Ib Ic RPM sensing
HA HB HC Hall Motor Driver
3 Phase Hall Motor
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Rev 0.4 May 7, 2004
AH172
Characteristics Supply voltage Output "off " voltage Output "on" current Operating temperature range Storage temperature range Power dissipation SIP SOT23 Symbol VCC Values 20 20 25 -20~+85 -65~+150 550 230 Unit V V mA °C °C mW mW
Vout (off) Io (sink) Top Tstg
Electrical Characteristics
Characteristics Supply voltage Output saturation voltage Supply current Internal pull-up resistor Dropout voltage Symbol Vcc Vout(sat) Icc Rpu Vd
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Rev 0.4 May 7, 2004
AH172
Internal Pull-up Hall Effect Latch Operating Characteristics
Vout ( Output Voltage ) Vcc
Marking side
Vd Bhy
Marking side
Vsat Brp 0 Bop
( Magnetic flux density )
Marking Information
(1) SOT23
(Top View) ID code A~Z: Non-Lead Free a~z : Lead Free J2 : AH172 Date code Y : Year M :Month (A~L)
(2) SIP3
(Top View) 172 YWW X ID code A~Z: Non-Lead Free a~z : Lead Free Date code Y : Year WW : Nth week
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Rev 0.4 May 7, 2004
AH172
Internal Pull-up Hall Effect Latch Package Information
(1) Package Type: SIP-3L
0.51mm NOM 2.10mm
1.55mm
BRANDED SURFACE
Active Area Depth
Sensor Location
0.38mm 0.7mm
1.57mm 1.47mm 0.41mm 0.41mm
4.17mm 4.04mm 1.27mm
1.82 mm
3.10mm 2.97mm
15.50mm 13.00mm
Package Dimension
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Rev 0.4 May 7, 2004
AH172
Internal Pull-up Hall Effect Latch
(2) Package Type: SOT23-3L
2 ( Sensing point )
E 0.8mm HE
1.45mm
e1 e 1(4x) 0.10 C 3X SEATING PLANE 2(4x) b(3x)
SEE VIEW C
GAUGE PLANE L
VIEW C
Dimensions In Millimeters Min. 1.05 0.05 1.00 0.25 0.08 2.70 1.50 2.60 0.30 0.50 1.80 0.85 0o 3o 6o Nom. 1.10 2.90 1.60 2.80 0.60 1.90 0.95 5o 5o 8o Max. 1.35 0.15 1.20 0.50 0.20 3.00 1.70 3.00 0.55 0.70 2.00 1.05 10o 7o 10o
Dimensions In Inches Min. 0.041 0.002 0.039 0.010 0.003 0.106 0.059 0.102 0.012 0.020 0.071 0.033 0o 3o 6o Nom. 0.043 0.114 0.063 0.110 0.024 0.075 0.037 5o 5o 8o Max. 0.053 0.006 0.047 0.020 0.008 0.118 0.067 0.118 0.022 0.028 0.079 0.041 10o 7o 10o
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Rev 0.4 May 7, 2004