AH173PL Diodes Inc, AH173PL Datasheet

Industrial Hall Effect / Magnetic Sensors Single Brushless

AH173PL

Manufacturer Part Number
AH173PL
Description
Industrial Hall Effect / Magnetic Sensors Single Brushless
Manufacturer
Diodes Inc
Datasheet
1.AH173-WL-7-A.pdf (9 pages)

Specifications of AH173PL

Operational Type
Internal Pull-up Hall Effect Latch
Operating Supply Voltage
20 V
Current Rating
6 mA
Package / Case
SIP-3
Operating Point Min/max
5 G to 80 G
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
When the magnetic flux density (B) is larger than operate
point (Bop), output is switched on (OUT pin is pulled low).
The output state is held on until a magnetic flux density
reversal falls below Brp. When B is less than Brp, the output
is switched off.
The AH173 is available in SIP-3L and SC59 packages.
Features
Description
AH173 is a single-digital-output Hall-Effect latch sensor with
pull-up resistor for high temperature operation. The device
includes an on-chip Hall voltage generator for magnetic
sensing, an amplifier to amplify Hall voltage, a comparator to
provide switching hysteresis for noise rejection, and an
output driver with a pull-up resistor (Rpu). An internal band-
gap regulator provides a temperature compensated supply
voltage for internal circuits and allows a wide operating
supply range.
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•
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•
•
•
•
Notes:
Typical Application Circuit
AH173
Document number: DS31044 Rev. 10 - 2
Bipolar Hall-Effect latch sensor
3V to 20V DC operating voltage
Built-in pull-up resistor
25mA output sink current
Operating temperature: -40°C to +125°C
SIP-3L and SC59 packages
(SC59 is commonly known as SOT23 in Asia)
Green Molding Compound (No Br, Sb) (Note 1)
1. EU Directive 2002/95/EC (RoHS). All applicable RoHS exemptions applied. Please visit our website at
http://www.diodes.com/products/lead_free.html.
Hall Motor Driver
Control Logic
Driver
&
H
H
H
I
I
I
I
I
I
A
B
C
A
B
C
a
b
c
INTERNAL PULL-UP HALL EFFECT LATCH FOR HIGH
RPM sensing
3 Phase Hall Motor
www.diodes.com
1 of 9
Pin Assignments
Applications
M
•
•
•
•
Rotor Position Sensing
Current Switch
Encoder
RPM Detection
GND 2.
M: Three Phase Hall Motor
(Top View)
SIP-3L
Digital Hall Effect Sensor
(Top View)
SC59
3. OUT
1. Vcc
TEMPERATURE
3. OUT
2. GND
1. Vcc
© Diodes Incorporated
AH173
July 2010

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AH173PL Summary of contents

Page 1

... Rotor Position Sensing • Current Switch • Encoder • RPM Detection M M: Three Phase Hall Motor RPM sensing 3 Phase Hall Motor www.diodes.com AH173 TEMPERATURE 3. OUT 2. GND 1. Vcc (Top View) 3. OUT 1. Vcc SC59 Digital Hall Effect Sensor July 2010 © Diodes Incorporated ...

Page 2

... INTERNAL PULL-UP HALL EFFECT LATCH FOR HIGH Description R AMP (T = 25°C) A Characteristics SIP-3L SC59 Conditions Operating Operating www.diodes.com AH173 TEMPERATURE pu 3 OUT 2 GND Values Unit °C -65~+150 °C +150 550 mW 230 mW Min Max Unit °C -40 125 July 2010 © Diodes Incorporated ...

Page 3

... Marking Side N V SAT (SIP-3L www.diodes.com AH173 TEMPERATURE Min Typ. Max Unit - 300 400 KΩ 0.3 V (1mT = 10 Gauss) Typ. Max Unit - 60 Gauss - -15 Gauss 80 - Gauss Typ. Max Unit - 80 Gauss - -5 Gauss 80 - Gauss V out High Low (Magnetic Flux Density) July 2010 © Diodes Incorporated ...

Page 4

... tio rve 100 147 129 120 110 tio www.diodes.com AH173 TEMPERATURE 100 286 264 242 220 130 135 140 150 (° 110 120 130 140 150 (° July 2010 © Diodes Incorporated ...

Page 5

... EU Directive 2002/95/EC (RoHS). All applicable RoHS exemptions applied. Please visit our website at http://www.diodes.com/products/lead_free.html. 4. Pad layout as shown on Diodes Inc. suggested pad layout document AP02001, which can be found on our website at http://www.diodes.com/datasheets/ap02001.pdf. 5. Reverse taping as shown on Diodes Inc. Surface Mount (SMD) Packaging document AP02007, which can be found on our website http://www ...

Page 6

... X : Internal Code : A~Z : Green (Top View Identification code Y : Year 0 Week : A~Z : 1~26 week a~z : 27~52 week; z represents 52 and 53 week X : A~Z : Green a~z : Lead Free Package Identification Code SC59 www.diodes.com AH173 TEMPERATURE a~z : Lead Free J3 July 2010 © Diodes Incorporated ...

Page 7

... Package Type: SIP-3L for Bulk pack BRANDED SURFACE Active Area Depth Package Dimension AH173 Document number: DS31044 Rev INTERNAL PULL-UP HALL EFFECT LATCH FOR HIGH (All Dimensions in mm) 0.51mm NOM Sensor Location www.diodes.com AH173 TEMPERATURE 2.00 +/- 0.10mm 1.15 +/- 0.10mm July 2010 © Diodes Incorporated ...

Page 8

... Package Type: SIP-3L for Ammo pack (3) SC59 (Commonly known as SOT23 in Asia) 0.35/0.50 TOP VIEW 2.70/ 3.00 1.90 2.90/3.10 1.00/ 1.30 0.013/0.10 0.95 0.35/0.55 AH173 Document number: DS31044 Rev INTERNAL PULL-UP HALL EFFECT LATCH FOR HIGH (Continued) 0.10/0. www.diodes.com AH173 TEMPERATURE July 2010 © Diodes Incorporated ...

Page 9

... Any Customer or user of this document or products described herein in such applications shall assume all risks of such use and will agree to hold Diodes Incorporated and all the companies whose products are represented on Diodes Incorporated website, harmless against all damages. ...

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