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AH3362Q

HIGH VOLTGAE HIGH SENSITIVITY AUTOMOTIVE HALL EFFECT UNIPOLAR SWITCH



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AH3362Q pdf
Description
The AH3362Q is an AECQ100 qualified high voltage high sensitivity
Hall Effect Unipolar switch IC designed for position and proximity
sensing in automotive applications such as in seat and seatbelt
buckleL, steering lock/immobilisation, gear stick, transmission
actuator and gear position, HVAC compression, wiper, door/trunk
closure, etc. To support wide range of demanding applications, the
design has been 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 AH3362Q 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. When the magnetic flux density (B) perpendicular
to the package is larger than the operate point (BOP) the output is
switched on (pulled low) and is held on until magnetic flux density B is
lower than the release point (BRP). The output remains switched off
for North pole fields to or no magnetic fields.
The magnetic operating and release polarity is opposite for SOT23
and SC59 packages. The SOT23 and SIP-3 (Ammo Pack), SIP-3
(Bulk Pack) packages require south pole to the part marking side to
operate while SC59 requires south pole to the non-part marking side.
Features
Unipolar Operation
High Sensitivity: BOP and BRP of 30G and 20G Typical
Single Open Drain Output with Over Current Limit
3.0V to 28V Operating Voltage Range
Chopper Stabilized Design Provides
o Superior Temperature Stability
o Minimal Switch Point Drift
o Enhanced Immunity to Stress
Good RF Noise Immunity
Reverse Blocking Diode
Zener Clamp on Supply and Output Pins
-40C to +150C Operating Temperature
ESD: HBM > 8kV, CDM: > 2kV
AECQ100 Grade 0 Qualified
Industry Standard SC59, SOT23 and SIP-3 (Ammo Pack), SIP-3
(Bulk Pack) Packages
Totally Lead-Free & Fully RoHS Compliant (Notes 1 & 2)
Halogen and Antimony Free. “Green” Device (Note 3)
AH3362Q
HIGH VOLTGAE HIGH SENSITIVITY
AUTOMOTIVE HALL EFFECT UNIPOLAR SWITCH
Pin Assignments
(Top View)
GND 2
3 OUTPUT
1 VDD
SC59 and SOT23
(Top View)
SIP-3 (Bulk Pack)
3. OUTPUT
2. GND
1. VDD
Applications
Position and Proximity Sensing in Automotive Applications
Seat Position
Seatbelt Buckle
Steering Lock / Immobilisation
Gear Stick
HVAC Compression
Transmission Actuator
Transmission Gear Position
Wipers
Sunroof and Windows
Door/Trunk Closure
Door Locks
Contact-Less Switches
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.
AH3362Q
Document number: DS39174 Rev. 1 - 2
1 of 15
www.diodes.com
November 2016
© Diodes Incorporated



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AH3362Q pdf
Typical Applications Circuit (Note 4)
3.0V to 28V
VDD
RL
OUTPUT
CIN AH3362Q
GND
Note:
4. CIN is for power stabilization and to strengthen the noise immunity, the recommended capacitance is 10nF ~ 100nF.
RL is the pull-up resistor.
Pin Descriptions
Package: SC59, SOT23 and SIP-3 (Ammo Pack), SIP-3 (Bulk Pack)
Pin Number
1
2
3
Pin Name
VDD
GND
OUTPUT
Power Supply Input
Ground
Output Pin
Function
AH3362Q
Functional Block Diagram
VDD
Power
switch
To All Subcircuits
Amp
Amp
Control
OUTPUT
Current
Limit
GND
AH3362Q
Document number: DS39174 Rev. 1 - 2
2 of 15
www.diodes.com
November 2016
© Diodes Incorporated



Part Number AH3362Q
Description HIGH VOLTGAE HIGH SENSITIVITY AUTOMOTIVE HALL EFFECT UNIPOLAR SWITCH
Maker Diodes - Diodes
Total Page 15 Pages
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