Diodes AH375-WL-7 Single phase hall effect latch Datasheet

AH375
SINGLE PHASE HALL EFFECT LATCH
Description
Pin Assignments
(Top View)
AH375 is an integrated Hall-Effect latched sensor designed
for electronic commutation of brush-less DC motor
applications. The device includes an on-chip Hall voltage
generator for magnetic sensing, a comparator that amplifies
the Hall voltage, and a Schmitt trigger to provide switching
hysteresis for noise rejection, and open drain output. An
internal band-gap regulator provides a temperature
compensated supply voltage for internal circuits and allows a
wide operating supply range.
3. OUT
2. GND
1. Vdd
SIP-3L
(Top View)
3. OUT
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.
GND 2.
1. Vdd
SC59
The AH375 is available in SIP-3L and SC59 packages.
Applications
Features
•
•
•
•
•
•
•
•
•
•
•
•
Bipolar Hall-Effect latch sensor
2.2V to 20V DC Operating voltage
Temperature compensation
Open drain pre-driver
25mA maximum 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)
Notes:
Brush-Less DC Motor
Brush-Less DC Fan
Revolution Counting
Speed Measurement
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.
Typical Application Circuit
Vdd
RL
C
1
AH375
3
2
Output
GND
AH375
Document number: DS31172 Rev. 6 - 2
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AH375
SINGLE PHASE HALL EFFECT LATCH
Pin Descriptions
Pin Name
P/I/O
Pin #
Vdd
GND
OUT
P
P
O
1
2
3
Description
Positive Power Supply
Ground
Output Pin
Functional Block Diagram
Vdd
1
Regulator
Hall
plate
23
OUT
2
GND
Amp
Absolute Maximum Ratings (TA = 25°C)
Symbol
Vdd
B
VDS
Id
TS
TJ(MAX)
Characteristics
Supply Voltage
Magnetic Flux Density
Output OFF Voltage
Output “On” Current
Storage Temperature Range
Maximum Junction Temperature
Values
20
Continuous
PD
Package Power Dissipation
SIP-3L
SC59
θJC
Thermal Resistance
SIP-3L
SC59
Unit
V
Unlimited
30
25
-65~+150
150
550
230
227
543
V
mA
°C
°C
mW
°C/W
Recommended Operating Conditions
Symbol
Vdd
TA
Notes:
Parameter
Supply Voltage (Note 2)
Operating Ambient Temperature
Conditions
Operating
Operating
Min
2.2
-40
Max
20
125
Unit
V
°C
2. The output of IC will be switched after the supply voltage is over 2.2V, but the magnetic characteristics won't be normal until the
supply is over 2.5V.
AH375
Document number: DS31172 Rev. 6 - 2
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AH375
SINGLE PHASE HALL EFFECT LATCH
Electrical Characteristics (TA = 25 °C, Vdd = 12V)
Symbol
VDS (SAT)
Ioff
Idd
Characteristic
Output Saturation Voltage
Output Leakage Current
Supply Current
Test Conditions
Iout = 20mA
VDD = 14V
Output Open
Min
Typ.
Max
Unit
-
300
<0.1
2
700
10
4
mV
uA
mA
Magnetic Characteristics (TA = 25 °C, Vdd = 2.5V to 20V, Note 3)
Symbol
Bops(south pole to brand side)
Brps(south pole to brand side)
Bhy(|Bopx|-|Brpx|)
Notes:
Parameter
Operation Point
Release Point
Hysteresis
Min
5
-60
-
(1mT = 10 Gauss)
Max
Unit
60
Gauss
-5
Gauss
Gauss
Typ.
30
-30
60
3. Magnetic characteristics may vary with supply voltage, operating temperature and after soldering.
Operating Characteristics
S
S
Marking side
Marking side
N
N
(SC59)
(SIP-3L)
(Output Voltage)
Output
Vdd
(off-state)
Turn off
Bhy
Turn on
(on-state)
V SAT
VSAT
Brp
0
Bop
( Magnetic Flux Density B)
AH375
Document number: DS31172 Rev. 6 - 2
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AH375
SINGLE PHASE HALL EFFECT LATCH
Performance Characteristics
(1) SIP-3L
TA (°C)
PD (mW)
TA (°C)
PD(mW)
25
550
105
198
50
440
110
176
P D (m W )
60
396
115
154
70
352
120
132
80
308
125
110
85
286
130
88
90
264
135
66
95
242
140
44
100
220
150
0
P o w e r D is s ip a tio n C u rve
600
500
400
300
200
100
0
00
-4
25
50
75
100
125
150
T A (°C )
(2) SC59 (commonly known as SOT23 in Asia)
TA (°C)
25
50
60
70
80
85
90
100
110
120
130
140
150
PD (mW)
230
184
166
147
129
120
110
92
74
55
37
18
0
P D (m W )
P o w e r D is s ip a tio n C u rv e
300
200
100
0
-400
25
50
75
100
125
150
T A (°C )
AH375
Document number: DS31172 Rev. 6 - 2
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AH375
SINGLE PHASE HALL EFFECT LATCH
Ordering Information
AH375 - X X - X
Package
P : SIP-3L
W : SC59
Device
AH375-PL-A
AH375-PL-B
AH375-PG-A
AH375-PG-B
AH375-WL-7
AH375-WG-7
Notes:
Lead Free
Packing
L : Lead Free
G : Green (Note 4)
Bulk
Package Packaging
Part
Code (Note 5, 6) Quantity Number
Suffix
P
SIP-3L
NA
NA
P
SIP-3L
1000
-B
P
SIP-3L
NA
NA
P
SIP-3L
1000
-B
W
SC59
NA
NA
W
SC59
NA
NA
A : Ammo Box (Note 7)
B : Bulk (Note 8)
7 : Tape & Reel
7” Tape and Reel
Ammo Box
Part
Part
Quantity
Number Quantity Number
Suffix
Suffix
NA
NA
4000/Box
-A
NA
NA
NA
NA
NA
NA
4000/Box
-A
NA
NA
NA
NA
3000/Tape & Reel
-7
NA
NA
3000/Tape & Reel
-7
NA
NA
4. EU Directive 2002/95/EC (RoHS). All applicable RoHS exemptions applied. Please visit our website at
http://www.diodes.com/products/lead_free.html.
5. 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.
6. Reverse taping as shown on Diodes Inc. Surface Mount (SMD) Packaging document AP02007, which can be found on our
website http://www.diodes.com/datasheets/ap02007.pdf.
7. Ammo Box is for SIP-3L Spread Lead.
8. Bulk is for SIP-3L Straight Lead.
AH375
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AH375
SINGLE PHASE HALL EFFECT LATCH
Marking Information
(1) SIP-3L
(Top View)
Y : Year : 0~9
WW : Week : 01~52, "52" represents
52 and 53 week
X : Internal Code : A~Z : Green
a~z : Lead Free
375
Part Number
Y WW X
(2) SC59 (Commonly known as SOT23 in Asia)
(Top View)
XX Y W X
Part Number
AH375
AH375
Document number: DS31172 Rev. 6 - 2
XX : Identification code
Y : Year 0~9
W : 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
SC59
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Identification Code
P3
July 2010
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AH375
SINGLE PHASE HALL EFFECT LATCH
Package Outline Dimensions (All Dimensions in mm)
(1) Package Type: SIP-3L for Bulk pack
0.51mm
NOM
2.00 +/0.10mm
1.15 +/0.10mm
BRANDED
SURFACE
1
Active Area Depth
2
3
Sensor Location
Package Dimension
AH375
Document number: DS31172 Rev. 6 - 2
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AH375
SINGLE PHASE HALL EFFECT LATCH
Package Outline Dimensions (Continued)
(2) Package Type: SIP-3L for Ammo pack
(3) SC59 (Commonly known as SOT23 in Asia)
TOP VIEW
1.50/
1.70
0.35/0.50
2.70/
3.00
1.90
2.90/3.10
1.00/
1.30
0.10/0.20
0.013/0.10
0.95
0.35/0.55
0 O /8 O
AH375
Document number: DS31172 Rev. 6 - 2
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AH375
SINGLE PHASE HALL EFFECT LATCH
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DOCUMENT, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
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the express written approval of the Chief Executive Officer of Diodes Incorporated. As used herein:
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A critical component is any component in a life support device or system whose failure to perform can be reasonably expected
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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.
Copyright © 2010, Diodes Incorporated
www.diodes.com
AH375
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