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AH3767Q-P-B

Description
Board Mount Hall Effect / Magnetic Sensors HV Hall Effect Latch 3 to 28V 8kV 3mA
CategoryThe sensor   
File Size503KB,13 Pages
ManufacturerDiodes
Websitehttp://www.diodes.com/
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AH3767Q-P-B Overview

Board Mount Hall Effect / Magnetic Sensors HV Hall Effect Latch 3 to 28V 8kV 3mA

AH3767Q-P-B Parametric

Parameter NameAttribute value
Product AttributeAttribute Value
ManufacturerDiodes
Product CategoryBoard Mount Hall Effect / Magnetic Sensors
RoHSDetails
TypeHall Effect Latch
Operating Supply Current3 mA
Maximum Output Current55 mA
Operating Point Min/Max110 G, 170 G
Release Point Min/Max (Brp)- 170 G, - 110 G
Maximum Operating Temperature+ 150 C
Mounting StyleThrough Hole
Operating Supply Voltage28 V
Package / CaseSIP-3
QualificationAEC-Q100
PackagingBulk
Output TypeOpen Drain
ProductHall Effect Latches
Termination StyleThrough Hole
With SwitchNo Switch
Minimum Operating Temperature- 40 C
Pd - Power Dissipation550 mW
Factory Pack Quantity1000
Supply Voltage - Max28 V
Supply Voltage - Min3 V
AH3767Q
Q
HIGH-VOLTGAE, LOW-SENSITIVITY
AUTOMOTIVE HALL-EFFECT LATCH
Description
PRELIMINARY - CONFIDENTIAL
The AH3767Q is an AEC-Q100 qualified high-voltage, low-sensitivity
Hall-Effect latch IC designed for brushless DC-motor commutation,
speed measurement, angular or linear encoders and position sensors
in automotive applications. To support a wide range of demanding
applications, the design is optimized to operate over the supply range
of 3.0V to 28V. With chopper stabilized architecture and an internal
bandgap regulator to provide temperature compensated supply for
internal circuits, the AH3767Q provides a reliable solution over the
whole operating range. For robustness and protection, the device has
a reverse blocking diode with a Zener clamp on the supply. The
output has an over current limit and a Zener clamp.
The single, open-drain output can be switched on with South pole of
sufficient strength and switched off with North pole of sufficient
strength. When the magnetic flux density (B) perpendicular to the
package is larger than the operate point (B
op
) the output is switched
on (pulled low). The output is held latched until magnetic flux density
reverses and becomes lower than the release point (B
rp
).
Pin Assignments
(Top View)
3 OUTPUT
GND 2
1 V
DD
SOT23
(Top View)
3. OUTPUT
2. GND
1. V
DD
SIP-3
Features
Bipolar Latch Operation (South Pole: On, North Pole: off)
High Sensitivity: B
op
and B
rp
of +140G and -140G Typical
Single Open-Drain Output with Overcurrent Limit
3.0V
to 28V Operating
Voltage Range
Chopper Stabilized Design Provides
Superior Temperature Stability
Minimal Switch Point Drift
Enhanced Immunity to Stress
Applications
Brushless DC-Motor Commutation
Revolution Per Minute (RPM) Measurement
Angular and Linear Encoder and Position Sensing and Indexing
Flow Meters
Contactless Commutation, Speed Measurement and Angular
Position Sensing/Indexing in Automotive Applications
Good RF Noise Immunity
Reverse Blocking Diode
Zener Clamp on Supply and Output Pins
-40°C to +150°C Operating Temperature
ESD: HBM
8kV, CDM: >2kV
AEC-Q100 Grade 0 Qualified
Industry Standard SOT23 and SIP-3 Packages
Totally Lead-Free & Fully RoHS Compliant (Notes 1 & 2)
Halogen and Antimony Free. “Green” Device (Note 3)
Notes:
1. No purposely added lead. Fully EU Directive 2002/95/EC (RoHS) & 2011/65/EU (RoHS 2) compliant.
2. See http://www.diodes.com/quality/lead_free.html for more information about Diodes Incorporated’s definitions of Halogen- and Antimony-free, "Green"
and Lead-free.
3. Halogen- and Antimony-free "Green” products are defined as those which contain <900ppm bromine, <900ppm chlorine (<1500ppm total Br + Cl) and
<1000ppm antimony compounds.
AH3767Q
Document number: DS38076 Rev. 2 - 2
1 of 13
www.diodes.com
July 2015
© Diodes Incorporated
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