AH3764Q
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AH3764Q
Q
HIGH-VOLTAGE, HIGH-SENSITIVITY
AUTOMOTIVE HALL-EFFECT LATCH
Description
The AH3764Q is an AEC-Q100 qualified high-voltage, high-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 AH3764Q 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 (Bop) the output is switched
on (pulled low). The output is held latched until magnetic flux density
reverses and becomes lower than the release point (Brp).
The magnetic operating and release polarity is opposite for SOT23
and SC59 packages. SOT23 and SIP-3 packages will require south
pole to the part marking side to operate while SC59 will require south
pole to the non-part marking side.
Features
Bipolar Latch Operation (South Pole: On, North Pole: off)
High Sensitivity: Bop and Brp of +40G and -40G 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
Good RF Noise Immunity
Reverse Blocking Diode
Zener Clamp on Supply and Output Pins
-40C to +150C Operating Temperature
ESD: HBM ＞ 8kV, CDM: >2kV
AEC-Q100 Grade 0 Qualified
Industry Standard SC59, SOT23 and SIP-3 Packages
Totally Lead-Free & Fully RoHS Compliant (Notes 1 & 2)
Halogen and Antimony Free. “Green” Device (Note 3)
Pin Assignments
(Top View)
1 VDD
GND 2 3 OUTPUT
SC59 and SOT23
(Top View)
1. VDD
2. GND
3. OUTPUT
SIP-3
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
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 ogen- and Antimony-free, "Green"
and Lead-free.
3. Halogen- and Antimony-lorine (<1500ppm total Br + Cl)
and <1000ppm antimony compounds.
AH3764Q
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Typical Applications Circuit
AH3764Q
3.0V to 28V
OUTPUT
GND
RL
CIN
VDD
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
Pin Number
Pin Name
Function
1
VDD
Power Supply Input
2
GND
Ground
3
OUTPUT
Output Pin
Functional Block Diagram
Control
Current
Limit
Sample and
Hold
Low-Pass Filter
Amp Amp
Power
switch
To All Subcircuits
OUTPUT
VDD
GND
Dynamic Offset
Cancellation
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Absolute Maximum Ratings (Notes 5 & 6) (@TA = +25°C, unless otherwise specified.)
Symbol
Characteristic
Value
Unit
VDD
Supply Voltage (Note 6)
32
V
VDDR
Reverse Supply Voltage (Note 6)
-32
V
VOUT_MAX
Output Off Voltage (Note 6)
32
V
IOUT
Continuous Output Current
60
mA
IOUT_R
Reverse Output Current
-50
mA
B
Magnetic Flux Density
Unlimited
PD
Package Power Dissipation
SIP-3
550
mW
SC59 and SOT23
230
Ts
Storage Temperature Range
-65 to +165
C
TJ
Maximum Junction Temperature
+150
C
ESD HBM
Electros Static Discharge Withstand - Human Body Model (HMB)
8
kV
ESD MM
Electros Static Discharge Withstand - Machine Model (MM)
800
V
ESD CDM
Electros Static Discharge Withstand - Charged Device Model (CDM)
2
kV
Notes: 5. Stresses greater than the 'Absolute Maximum Ratings' specified above may cause permanent damage to the device. These are stress ratings only;
functional operation of the device at these or any other conditions exceeding those indicated in this specification is not implied. Device reliability may be
affected by exposure to absolute maximum rating conditions for extended periods of time.
6. The absolute maximum VDD of 32V is a transient stress rating and is not meant as a functional operating condition. It is not recommended to
operate the device at the absolute maximum rated conditions for any period of time.
Recommended Operating Conditions (@TA = -40°C to +150°C, unless otherwise specified.)
Symbol
Parameter
Conditions
Rating
Unit
VDD
Supply Voltage
Operating
3.0 to 28
V
TA
Operating Temperature Range
Operating
-40 to +150
°C
Electrical Characteristics (Notes 7 & 8) (@TA = -40°C to +150°C, VDD = 3V to 28V, unless otherwise specified.)
Symbol
Parameter
Conditions
Min
Typ
Max
Unit
VOUT_ON
Output On Voltage
IOUT = 20mA, B > Bop
-
0.2
0.4
V
ILKG
Output Leakage Current
(when output is off)
VOUT = 28V, B < Brp, Output off
-
<0.1
10
µA
IDD
Supply Current
Output open, TA = +25C
-
3
3.5
mA
Output open, TA = -40C to +150C
-
-
4
mA
IDD_R
Reverse Supply Current
VDD = -18V, TA = +25°C
-
0.6
-
µA
VDD = -18V, TA = -40C to +150C
-
0.6
1,500
µA
VDD = -28V, TA = +25C
-
1.6
-
µA
VDD = -28V, TA = -40C to +150C
-
1.6
2,500
µA
tP_ON
Device Power-On Time (start-up time)
VDD >= 3V, B > Bop (Note 7)
-
10
µs
fc
Chopping Frequency
VDD >= 3V
-
800
-
kHz
td
Response Time Delay
(time from magnetic threshold reached
to the start of the output rise or fall)
(Note 9)
-
3.75
-
µs
tr
Output Rising Time
(external pull-up resistor RL and load
capacitance dependent)
RL = 1, CL = 20pF
-
0.2
1
µs
tf
Output Falling Time
(Internal switch resistance and load
capacitance dependent)
RL = 1, CL = 20pF
-
0.1
1
µs
IOCL
Output Current Limit
B > Bop, (Note 10 )
30
-
55
mA
VZ
Zener Clamp Voltage
IDD = 5mA
28
-
-
V
Notes: 7. When power is initially turned on, VDD must be within its correct operating range (3.0V to 28V) to guarantee the output sampling. The output state is valid
after the start-up time of 10µs typical from the operating voltage reaching 3V.
8. Typical values are defined at TA = +25C, VDD = 12V. Maximum and minimum values over the operating temperature range is not tested in production
but guaranteed by design, process control and characterization.
9. Guaranteed by design, process control and characterization. Not tested in production.
10. The device will limit the output current IOUT to current limit of IOCL.
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Magnetic Characteristics (Notes 11 & 12) (TA = -40°C to +150°C, VDD = 3.0V to 28V, unless otherwise specified)
(1mT=10 Gauss)
Symbol
Parameter
Conditions
Min
Typ
Max
Unit
Bops (South pole to part marking side for
SOT23 and SIP-3 packages;
South pole to the non-part marking side
for SC59 package. See diagram below)
Operation Point
VDD = 12V, TA = +25C
-
40
-
Gauss
TA = -40C to +150C
20
40
60
Brps (North pole to part marking side for
SOT23 and SIP-3 packages;
North pole to the non-part marking side
for SC59 package. See diagram below)
Release Point
VDD = 12V, TA = +25C
-
-40
-
TA = -40C to +150C
-60
-40
-20
Bhy (|Bopx|-|Brpx|)
Hysteresis (Note 13)
VDD = 12V, TA = +25C
-
80
-
TA = -40C to +150C
40
80
120
Notes: 11. When power is initially turned on, VDD must be within its correct operating range (3.0V to 28V) to guarantee the output sampling. The output state is
valid after the start-up time of 10µs typical from the operating voltage reaching 3V.
12. Typical values are defined at TA = +25°C, VDD = 12V. Maximum and minimum values over the operating temperature range is not tested in production
but guaranteed by design, process control and characterization.
13. Maximum and minimum hysteresis is guaranteed by design, process control and characterization.
VDD
( Output Voltage )
Brp Bop0
( Magnetic Flux Density B )
Output
Turn off Turn on
(off-state)
VOUT_ON = VSAT
Bhy
(on-state)
Part mark
N
S
(SOT23)
Part mark
S
(SIP-3)
N
Part mark
N
S
(SC59)
AH3764Q
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Typical Operating Characteristics
Output Switch Operate and Release Points (Magnetic Thresholds) – Bop and Brp
Supply Current
-100
-80
-60
-40
-20
0
20
40
60
80
100
246810 12 14 16 18 20 22 24 26 28 30
Gauss (G)
Supply Voltage (V)
Switch Points Bop and Brp vs Supply Voltage
Brp
Hyst
Bop
TA= +25oC
-100
-80
-60
-40
-20
0
20
40
60
80
100
-50 -25 025 50 75 100 125 150 175
Gauss (G)
Temperature (oC)
Switch Points Bop and Brp vs Temperature
Brp
Hyst
Bop
VDD = 3V
-100
-80
-60
-40
-20
0
20
40
60
80
100
-50 -25 025 50 75 100 125 150 175
Gauss (G)
Temperature (oC)
Switch Points Bop and Brp vs Temperature
Brp
Hyst
Bop
VDD = 12V
-100
-80
-60
-40
-20
0
20
40
60
80
100
-50 -25 025 50 75 100 125 150 175
Gauss (G)
Temperature (oC)
Switch Points Bop and Brp vs Temperature
Brp
Hyst
Bop
VDD = 28V
0.0
1.0
2.0
3.0
4.0
5.0
2 4 6 8 10 12 14 16 18 20 22 24 26 28 30
Supply Current IDD (mA)
Supply Voltage (V)
Supply Current vs Supply Voltage
TA= +25C
2.0
2.3
2.5
2.8
3.0
3.3
3.5
3.8
4.0
-50 -25 025 50 75 100 125 150 175
Supply Current IDD (mA)
Temperature (oC)
Supply Current vs Temperature
3V 12V
28V
5V
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Typical Operating Characteristics (continued)
Reverse Supply Current
Output Switch On Voltage
Output Switch Leakage Current
0.0
0.3
0.5
0.8
1.0
1.3
1.5
1.8
2.0
2.3
2.5
2.8
3.0
-30 -28 -26 -24 -22 -20 -18 -16 -14 -12 -10 -8 -6 -4 -2
Reverse Supply Current IDD_R (mA)
Supply Voltage (V)
Reverse Supply Current vs Supply Voltage
TA= +25C
0
150
300
450
600
750
900
1,050
1,200
-50 -25 025 50 75 100 125 150 175
Reverse Supply Current IDD_R (mA)
Temperature (oC)
Reverse Supply Current vs Temperature
-18V
-24V
-28V
0.00
0.05
0.10
0.15
0.20
0.25
0.30
0.35
0.40
2 4 6 8 10 12 14 16 18 20 22 24 26 28 30
Output ON Voltage VOUT_ON (V)
Supply Voltage (V)
Output ON Voltage vs Supply Voltage
TA= +25C
0.00
0.05
0.10
0.15
0.20
0.25
0.30
0.35
0.40
-50 -25 025 50 75 100 125 150 175
Output ON Voltage VOUT_ON (V)
Temperature (oC)
Output ON Voltage vs Temperature
3V 12V
28V
5V
0
5
10
15
20
25
30
35
40
45
50
55
60
2 4 6 8 10 12 14 16 18 20 22 24 26 28 30
Output Leakage Current ILKG (nA)
Supply Voltage (V)
Output Leakage Current vs Supply Voltage
TA= +25C
0
100
200
300
400
500
600
700
800
-50 -25 025 50 75 100 125 150 175
Output Leakage Current (nA)
Temperature (oC)
Output Leakage Current vs Temperature
3V
12V
28V
5V
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Typical Operating Characteristics (cont.)
Output Current Limit
0
10
20
30
40
50
60
70
2 4 6 8 10 12 14 16 18 20 22 24 26 28 30
Output Current Limit IOCL (mA)
Supply Voltage (V)
Output Current Limit vs Supply Voltage
TA= +25C
0
10
20
30
40
50
60
70
-50 -25 025 50 75 100 125 150 175
Output Current Limit IOCL (mA)
Temperature (oC)
Output Current Limit vs Temperature
3V 12V
28V
5V
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Thermal Performance Characteristics
(1) Package type: SC59 and SOT23
TA (°C)
25
50
60
70
80
85
90
100
105
110
120
125
130
140
150
PD (mW)
230
184
166
147
129
120
110
92
83
74
55
46
37
18
0
(2) Package type: SIP-3
TA (°C)
25
50
60
70
80
85
90
100
105
110
120
125
130
140
150
PD (mW)
550
440
396
362
308
286
264
220
198
176
132
110
88
44
0
0
100
200
300
0 25 50 75 100 125 150
Power Dissipation PD (mW)
Ambient Temperature TA (oC)
Power Dissipation Curve
-40
0
100
200
300
400
500
600
0 25 50 75 100 125 150
PD (mW)
TA (°C)
Power Dissipation Curve
-40
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Ordering Information
AH3764Q - XXX - X
Packing
Package
P : SIP-3
SA : SOT23
W : SC59
7 : Tape & Reel
A: Ammo Box (Note 14)
B: Bulk (Note 15)
Part Number
Package
Code
Packaging
Bulk
7” Tape and Reel
Ammo Box
Quantity
Part Number
Suffix
Quantity
Part Number
Suffix
Quantity
Part Number
Suffix
AH3764Q-P-A
P
SIP-3
NA
NA
NA
NA
4,000/Box
-A
AH3764Q-P-B
P
SIP-3
1,000
-B
NA
NA
NA
NA
AH3764Q-SA-7
SA
SOT23
NA
NA
3,000/Tape & Reel
-7
NA
NA
AH3764Q-W-7
W
SC59
NA
NA
3,000/Tape & Reel
-7
NA
NA
Notes: 14. Ammo Box is for SIP-3 Spread Lead.
15. Bulk is for SIP-3 Straight Lead.
Marking Information
(1) Package Type: SC59 and SOT23
XX Y W X
(Top View)
XX : Identification code
W : Week : A to Z : 1 to 26 week;
X : Internal code
Y : Year 0 to 9
a to z : 27 to 52 week; z represents
52 and 53 week
Part Number
Package
Identification Code
AH3764Q
SC59
YN
AH3764Q
SOT23
WN
(2) Package Type: SIP-3
3764Q
Part Number
(Top View)
Y WW X
X : Internal Code
Y : Year : 0~9
WW : Week : 01~52, "52" represents
52 and 53 week
Part Number
Package
Identification Code
AH3764Q
SIP-3
3764Q
AH3764Q
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Package Outline Dimensions (All dimensions in mm.)
Please see AP02002 at http://www.diodes.com/datasheets/ap02002.pdf for the latest version.
(1) Package Type: SC59
C
L
0.7/0.9
1.3/1.5
Hall Sensor
Min/Max
0.595/0.715
0.10/0.20
Die
PART
MARKING
SURFACE
Pin1
Sensor Location
SC59
Dim
Min
Max
Typ
A
0.35
0.50
0.38
B
1.50
1.70
1.60
C
2.70
3.00
2.80
D
-
-
0.95
G
-
-
1.90
H
2.90
3.10
3.00
J
0.013
0.10
0.05
K
1.00
1.30
1.10
L
0.35
0.55
0.40
M
0.10
0.20
0.15
N
0.70
0.80
0.75
0°
8°
-
All Dimensions in mm
A
M
JL
D
BC
H
K
G
N
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Package Outline Dimensions (cont.) (All dimensions in mm.)
Please see AP02002 at http://www.diodes.com/datasheets/ap02002.pdf for the latest version.
(2) Package Type: SOT23
0.17/0.37
0.5/0.7
1.4/1.5
Hall Sensor
PART
MARKING
SURFACE
Min/Max
Pin1
Die
Sensor Location To be updated
J
K1 K
L1
GAUGE PLANE
0.25
H
L
M
All 7°
A
CB
D
G
F
a
SOT23
Dim
Min
Max
Typ
A
0.37
0.51
0.40
B
1.20
1.40
1.30
C
2.30
2.50
2.40
D
0.89
1.03
0.915
F
0.45
0.60
0.535
G
1.78
2.05
1.83
H
2.80
3.00
2.90
J
0.013
0.10
0.05
K
0.890
1.00
0.975
K1
0.903
1.10
1.025
L
0.45
0.61
0.55
L1
0.25
0.55
0.40
M
0.085
0.150
0.110
a
8°
All Dimensions in mm
AH3764Q
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Package Outline Dimensions (cont.) (All dimensions in mm.)
Please see AP02002 at http://www.diodes.com/datasheets/ap02002.pdf for the latest version.
(3) Package Type: SIP-3 Bulk
Sensor location to be added
Die
PART
MARKING
SURFACE
0.63/0.84
0.27/0.48
Hall Sensor
1.90/2.10
1.05/1.25
123
PART
MARKING
SURFACE
Min/Max
Sensor Location To be updated
SIP-3 (Bulk)
Dim
Min
Max
A
3.9
4.3
a1
5 Typ
a2
5 Typ
a3
45 Typ
a4
3 Typ
B
2.8
3.2
C
1.40
1.60
D
0.33
0.432
E
0.40
0.508
F
0
0.2
G
1.24
1.30
H
2.51
2.57
J
0.35
0.43
L
14.0
15.0
N
0.63
0.84
P
1.55
-
All Dimensions in mm
LJ
N
DC
GH
B P
A
E F
a3
a4
a1
a2
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Package Outline Dimensions (cont.) (All dimensions in mm.)
Please see AP02002 at http://www.diodes.com/datasheets/ap02002.pdf for the latest version.
(4) Package Type: SIP-3 Ammo Pack
Die
PART
MARKING
SURFACE
0.63/0.84
0.27/0.48
Hall Sensor
1.90/2.10
1.05/1.25
123
PART
MARKING
SURFACE
Min/Max
Sensor Location To be updated
SIP-3 (Ammo Pack)
Dim
Min
Max
A
3.9
4.3
a1
45° Typ
a2
3 Typ
B
2.8
3.2
C
1.40
1.60
D
0.35
0.41
E
0.43
0.48
F
0
0.2
G
2.4
2.9
N
0.63
0.84
P
1.55
-
All Dimensions in mm
G
A
BP
EFD
a2
a1
NC
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Suggested Pad Layout
Please see AP02001 at http://www.diodes.com/datasheets/ap02001.pdf for the latest version.
(1) Package Type: SC59
(2) Package Type: SOT23
Dimensions
Value (in mm)
Z
3.4
X
0.8
Y
1.0
C
2.4
E
1.35
Dimensions
Value (in mm)
Z
2.9
X
0.8
Y
0.9
C
2.0
E
1.35
X E
Y
C
Z
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IMPORTANT NOTICE
DIODES INCORPORATED MAKES NO WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, WITH REGARDS TO THIS DOCUMENT,
INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
(AND THEIR EQUIVALENTS UNDER THE LAWS OF ANY JURISDICTION).
Diodes Incorporated and its subsidiaries reserve the right to make modifications, enhancements, improvements, corrections or other changes
without further notice to this document and any product described herein. Diodes Incorporated does not assume any liability arising out of the
application or use of this document or any product described herein; neither does Diodes Incorporated convey any license under its patent or
trademark rights, nor the rights of others. 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.
Diodes Incorporated does not warrant or accept any liability whatsoever in respect of any products purchased through unauthorized sales channel.
Should Customers purchase or use Diodes Incorporated products for any unintended or unauthorized application, Customers shall indemnify and
hold Diodes Incorporated and its representatives harmless against all claims, damages, expenses, and attorney fees arising out of, directly or
indirectly, any claim of personal injury or death associated with such unintended or unauthorized application.
Products described herein may be covered by one or more United States, international or foreign patents pending. Product names and markings
noted herein may also be covered by one or more United States, international or foreign trademarks.
This document is written in English but may be translated into multiple languages for reference. Only the English version of this document is the
final and determinative format released by Diodes Incorporated.
LIFE SUPPORT
Diodes Incorporated products are specifically not authorized for use as critical components in life support devices or systems without the express
written approval of the Chief Executive Officer of Diodes Incorporated. As used herein:
A. Life support devices or systems are devices or systems which:
1. are intended to implant into the body, or
2. support or sustain life and whose failure to perform when properly used in accordance with instructions for use provided in the
labeling can be reasonably expected to result in significant injury to the user.
B. A critical component is any component in a life support device or system whose failure to perform can be reasonably expected to cause the
failure of the life support device or to affect its safety or effectiveness.
Customers represent that they have all necessary expertise in the safety and regulatory ramifications of their life support devices or systems, and
acknowledge and agree that they are solely responsible for all legal, regulatory and safety-related requirements concerning their products and any
use of Diodes Incorporated products in such safety-critical, life support devices or systems, notwithstanding any devices- or systems-related
information or support that may be provided by Diodes Incorporated. Further, Customers must fully indemnify Diodes Incorporated and its
representatives against any damages arising out of the use of Diodes Incorporated products in such safety-critical, life support devices or systems.
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