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PDF ATS177 Data sheet ( Hoja de datos )
| Número de pieza | ATS177 | |
| Descripción | SINGLE OUTPUT HALL EFFECT LATCH | |
| Fabricantes | Diodes Incorporated | |
| Logotipo |  |
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Features
• 3.5V to 20V DC operation voltage
• Temperature compensation
• Wide operating voltage range
• Open-Collector pre-driver
• 25mA maximum sinking output current.
• Reverse polarity protection
• Lead Free Finish/RoHS Compliant for Lead Free
products (Note 1)
• Package: SIP-3L
ATS177
SINGLE OUTPUT HALL EFFECT LATCH
General Description
ATS177 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-collector output. An internal bandgap regulator is used
to provide temperature compensated supply voltage for internal
circuits and allows a wide operating supply range.
If a magnetic flux density larger than threshold Bop, DO is turned
on(low). The output state is held until a magnetic flux density
reversal falls below Brp causing DO to be turned off (high).
Applications
• Brush-less DC Motor
• Brush-less DC Fan
• Revolution counting
• Speed measurement
Ordering Information
ATS177 - X X X - X
Package
P:SIP-3L
Lead
L : Lead Free
Packing
Magnetic
Characteristics
-B : Bulk (Note 3)
A or B
-A : Ammo Box (Note 4)
Note: 1. RoHS revision 13.2.2003. Glass and High Temperature Solder Exemptions Applied, see EU Directive Annex Notes 5 and 7.
Device
ATS177-P
Lead-free
Package
Code
P
Packaging
(Note 2)
SIP-3L
Tube/Bulk
Quantity Part Number
1000
Suffix
-B
7” Tape and Reel
Quantity Part Number
Suffix
NA NA
Note:
2. 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.
3. Bulk is for SIP-3L Straight Lead.
4. Ammo Box is for SIP-3L Spread Lead.
Ammo Box
Quantity Part Number
4000/Box
Suffix
-A
ATS177 Rev. 1
1 of 8
www.diodes.com
JANUARY 2007
© Diodes Incorporated
1 page  
ATS177
SINGLE OUTPUT HALL EFFECT LATCH
Magnetic Characteristics (TA=25oC)
A grade
Parameter
Operate Point
Release Point
Hysteresis
B grade
Parameter
Operate Point
Release Point
Hysteresis
*B grade is for SIP-3L package only.
Symbol
Bop
Brp
Bhys
Min.
5
-70
-
Symbol
Bop
Brp
Bhys
Min.
-
-100
-
DO
Typ.
-
-
80
Typ.
-
-
80
1mT=10Gauss)
Max.
70
-5
-
Unit
Gauss
Gauss
Gauss
Max.
100
-
-
Unit
Gauss
Gauss
Gauss
OFF
RP
12 OP
10
8
6
4
2 ON
Vsat
-200 -100 0
100 200
Magnetic Flux Density in Gauss
Typical Magnetic Switch Point vs. Temperuture
100
50
0
-50
-20
25 80
Temperature (oC)
100
Bop
Brp
Bhys
ATS177 Rev. 1
5 of 8
www.diodes.com
JANUARY 2007
© Diodes Incorporated
5 Page | ||
| Páginas | Total 8 Páginas | |
| PDF Descargar | [ Datasheet ATS177.PDF ] | |
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