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Datasheet> All Categories > The sensor> Sensor/transducer> ATS276-PLA-A
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ATS276-PLA-A

Description
Magnetic Field Sensor, -5mT Min, 5mT Max, Bipolar, Plastic/epoxy, Rectangular, 4 Pin, Through Hole Mount, LEAD FREE, SIP-4
CategoryThe sensor    Sensor/transducer   
File Size199KB，7 Pages
ManufacturerDiodes
Websitehttp://www.diodes.com/
Environmental Compliance
Download Datasheet Parametric Compare View All

ATS276-PLA-A Overview

Magnetic Field Sensor, -5mT Min, 5mT Max, Bipolar, Plastic/epoxy, Rectangular, 4 Pin, Through Hole Mount, LEAD FREE, SIP-4

ATS276-PLA-A Parametric

Parameter NameAttribute value
Is it Rohs certified?conform to
MakerDiodes
package instructionSIP4,.03,50
Reach Compliance Codecompliant
body width1.55 mm
body height5.07 mm
Body length or diameter5.22 mm
lag7.5 mT
Maximum magnetic field range5 mT
Minimum magnetic field range-5 mT
Installation featuresTHROUGH HOLE MOUNT
Number of terminals4
Maximum working current25 mA
Maximum operating temperature85 °C
Minimum operating temperature-20 °C
outputOPEN-COLLECTOR
Output polarityCOMPLEMENTARY
Output typeVOLTAGE OUTPUT
Package body materialPLASTIC/EPOXY
Encapsulate equivalent codeSIP4,.03,50
Package Shape/FormRECTANGULAR
power supply4/20 V
Maximum supply voltage20 V
Minimum supply voltage3.5 V
surface mountNO
technologyBIPOLAR
Termination typeSOLDER

ATS276-PLA-A Preview

ATC
Complementary Output Hall Effect Latch
Features
-
On-chip Hall sensor with two different sensitivity
and hysteresis settings for ATS276/277
-
3.5V to 20V operating voltage
-
400mA (avg) output sink current
-
Build-in protecting diode only for chip reverse
power connecting
-
-20°C to 85°C operating temperature
-
Low profile 4 pin SIP package
ATS276/277
General Description
Applications
-
-
-
-
Dual-coil Brush-less DC Motor
Dual-coil Brush-less DC Fan
Revolution Counting
Speed Measurement
ATS276/277 are integrated Hall sensors with output
drivers, mainly designed for electronic commutation
of brush-less DC Fan. This IC internally includes
the regulator, protecting diode, Hall plate, amplifier,
comparator, and a pair of complementary
open-collector outputs
(DO, DOB).
While the magnetic flux density
(B)
is larger than
operate point
(Bop), DO
will turn on (low), and
meanwhile
DOB
will turn off (high). Each output is
latched until
B
is lower than release point
(Brp),
and then
DO、DOB
transfer each state.
For DC fan application, sometimes need to test
power reverse connection condition. Internal diode
only protects chip-side but not for coil-side. If
necessary, add one external diode to block the
reverse current from coil-side.
Ordering Information
ATS27X X - X X X - X
Part No.
6 : ATS276
7 : ATS277
Wafer Body
Blank or
A~Z : if necessary
to specify
Package
P: SIP-4L
Lead
L : Lead Free
Blank: Normal
Packing
Blank : Tube or Bulk
A : Tape & Reel
Magnetic
Characteristics
276:A or B or C
277:A or B
Typical Application Circuit
27X
coil1
coil2
1
Vcc
2
3
4
Brush-less DC Fan
This datasheet contains new product information. Anachip Corp. reserves the rights to modify the product specification without notice. No liability is assumed as a result of the use of
this product. No rights under any patent accompany the sale of the product.
Rev.B1 Mar 17, 2004
1/7
ATC
Complementary Output Hall Effect Latch
Block Diagram
1
VCC
DO
ATS276/277
2
REG.
Hall Plate
Amp
DOB
3
GND
4
Pin Assignment
277
(276)
Front View
1 : VCC
2 : DO
3 : DOB
1 2
3
4
4 :GND
Name
Vcc
DO
DOB
GND
P/I/O
P
O
O
P
Pin #
1
2
3
4
Description
Power Supply Input
Output Pin
Output Pin
Ground
Anachip Corp.
www.anachip.com.tw
2/7
Rev.B1 Mar 17, 2004
ATC
Complementary Output Hall Effect Latch
Absolute Maximum Ratings
( at Ta=25°C )
Characteristics
Supply voltage
Reverse V
CC
Polarity Voltage
Magnetic flux density
Continuous
Output “on” current
Hold
Peak (Start Up)
Operating temperature range
Storage temperature range
Package Power Dissipation
Maximum Junction Temp
Symbol
V
CC
V
RCC
B
Ic
Values
20
-20
Unlimited
0.4
0.5
0.7
-20~+85
-65~+150
550
150
A
°C
°C
mW
°C
Unit
V
V
ATS276/277
T
a
T
s
PD
Tj
Electrical Characteristics
( T=+25°C Vcc = 4.0V to 20V )
Characteristic
Low Supply Voltage
Supply Voltage
Output Zener Breakdown
Output Saturation Voltage
Output Leakage Current
Supply Current
Output Rise Time
Output Falling Time
Switch Time Differential
Symbol
Vce
Vcc
Vz
Vce(sat)
Icex
Icc
tr
tf
∆t
Conditions
Vcc=3.5V, I
L
=100mA
3.5
Vcc=14V, I
L
=300mA
Vce=14V, Vcc=14V
Vcc=20V, Output Open
Vcc=14V, R
L
=820Ω, C
L
=20pF
Vcc=14V, R
L
=820Ω, C
L
=20pF
Vcc=14V, R
L
=820Ω, C
L
=20pF
46
0.3
<0.1
16
3.0
0.3
3.0
Min
Typ
0.4
20
0.6
10
25
10
1.5
10
Max
Units
V
V
V
V
µA
mA
µs
µs
µs
Test Circuit
14V
277
(276)
RL1
DO
DOB
RL2
RL1=RL2=820 Ohm
CL1=CL2=20 pF
CL1 CL2
Anachip Corp.
www.anachip.com.tw
3/7
Rev.B1 Mar 17, 2004
ATC
Complementary Output Hall Effect Latch
Magnetic Characteristics
( Ta=+25°C)
(1mT=10 Gauss)
A grade
Characteristic
Operate Point
Release Point
Hysteresis
B grade
Characteristic
Operate Point
Release Point
Hysteresis
C grade
Characteristic
Operate Point
Release Point
Hysteresis
ATS276
ATS276
ATS276
Symbol
Bop
Brp
Bhy
Min.
-
-100
-
Typ.
-
-
75
Max.
100
-
-
Unit
Gauss
Gauss
Gauss
ATS276
ATS277
ATS276
ATS277
ATS276
ATS277
Symbol
Bop
Brp
Bhy
Min.
5
5
-70
-70
-
-
Typ.
-
-
-
-
75
75
Max.
70
70
-5
-5
-
-
Unit
Gauss
Gauss
Gauss
ATS276
ATS277
ATS276
ATS277
ATS276
ATS277
Symbol
Bop
Brp
Bhy
Min.
10
10
-50
-50
-
-
Typ.
-
-
-
-
75
75
Max.
50
50
-10
-10
-
-
Unit
Gauss
Gauss
Gauss
ATS276/277
DO
( Output Voltage )
( Output Voltage )
DOB
V
cc
( off-state )
( off-state )
V
cc
Turn off
B
hy
Turn on
Turn on
B
hy
Turn oFF
( on-state )
( on-state )
V
sat
V
sat
B
rp
0
B
op
( Magnetic flux density B )
B
rp
0
B
op
( Magnetic flux density B )
Anachip Corp.
www.anachip.com.tw
4/7
Rev.B1 Mar 17, 2004
ATC
Complementary Output Hall Effect Latch
Performance Characteristics (SIP4)
Ta (°C)
25
50
60
70
80
85
90
95
100
220
105
198
110
176
115
154
120
132
Pd (mW) 550 440 396 352 308 286 264 242
Pd (mW)
1000
800
600
400
200
0
0
25
50
75
85
100
125
ATS276/277
Power Dissipation Curve
Ta (。C)
150
Typical Magnetic Switch Point VS. Supply Voltage
120
Flux Density (G)
Bhys
80
Bop
40
0
-40
5
12
20
Brp
24
Supply Voltage (V)
Typical Supply Current versus Supply Voltage
16
14
12
10
8
6
4
2
0
0
5
Supply Current (mA)
TA=80
o
C
TA=25
o
C
TA=-20
o
C
10
15
20
25
Supply Voltage (V)
Anachip Corp.
www.anachip.com.tw
5/7
Rev.B1 Mar 17, 2004
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ATS276-PLA-A Related Products

ATS276-PLA-A ATS276-PLA-B ATS276-PLA-C ATS277-PLA-A ATS277-PLA-B ATS277-P-A ATS277-PA-A
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Is it Rohs certified? conform to conform to conform to conform to conform to incompatible incompatible
Maker Diodes Diodes Diodes Diodes Diodes Diodes Diodes
package instruction SIP4,.03,50 SIP4,.03,50 SIP4,.03,50 SIP4,.03,50 SIP4,.03,50 SIP4,.03,50 SIP4,.03,50
Reach Compliance Code compliant compliant compliant compliant compliant compliant compliant
body width 1.55 mm 1.55 mm 1.55 mm 1.55 mm 1.55 mm 1.55 mm 1.55 mm
body height 5.07 mm 5.07 mm 5.07 mm 5.07 mm 5.07 mm 5.07 mm 5.07 mm
Body length or diameter 5.22 mm 5.22 mm 5.22 mm 5.22 mm 5.22 mm 5.22 mm 5.22 mm
lag 7.5 mT 7.5 mT 7.5 mT 7.5 mT 7.5 mT 7.5 mT 7.5 mT
Maximum magnetic field range 5 mT 7 mT 10 mT 5 mT 7 mT 5 mT 5 mT
Minimum magnetic field range -5 mT -7 mT -10 mT -5 mT -7 mT -5 mT -5 mT
Installation features THROUGH HOLE MOUNT THROUGH HOLE MOUNT THROUGH HOLE MOUNT THROUGH HOLE MOUNT THROUGH HOLE MOUNT THROUGH HOLE MOUNT THROUGH HOLE MOUNT
Number of terminals 4 4 4 4 4 4 4
Maximum working current 25 mA 25 mA 25 mA 25 mA 25 mA 25 mA 25 mA
Maximum operating temperature 85 °C 85 °C 85 °C 85 °C 85 °C 85 °C 85 °C
Minimum operating temperature -20 °C -20 °C -20 °C -20 °C -20 °C -20 °C -20 °C
output OPEN-COLLECTOR OPEN-COLLECTOR OPEN-COLLECTOR OPEN-COLLECTOR OPEN-COLLECTOR OPEN-COLLECTOR OPEN-COLLECTOR
Output polarity COMPLEMENTARY COMPLEMENTARY COMPLEMENTARY COMPLEMENTARY COMPLEMENTARY COMPLEMENTARY COMPLEMENTARY
Output type VOLTAGE OUTPUT VOLTAGE OUTPUT VOLTAGE OUTPUT VOLTAGE OUTPUT VOLTAGE OUTPUT VOLTAGE OUTPUT VOLTAGE OUTPUT
Package body material PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY
Encapsulate equivalent code SIP4,.03,50 SIP4,.03,50 SIP4,.03,50 SIP4,.03,50 SIP4,.03,50 SIP4,.03,50 SIP4,.03,50
Package Shape/Form RECTANGULAR RECTANGULAR RECTANGULAR RECTANGULAR RECTANGULAR RECTANGULAR RECTANGULAR
power supply 4/20 V 4/20 V 4/20 V 4/20 V 4/20 V 4/20 V 4/20 V
Maximum supply voltage 20 V 20 V 20 V 20 V 20 V 20 V 20 V
Minimum supply voltage 3.5 V 3.5 V 3.5 V 3.5 V 3.5 V 3.5 V 3.5 V
surface mount NO NO NO NO NO NO NO
technology BIPOLAR BIPOLAR BIPOLAR BIPOLAR BIPOLAR BIPOLAR BIPOLAR
Termination type SOLDER SOLDER SOLDER SOLDER SOLDER SOLDER SOLDER

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