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ATS276 Datasheet

  • ATS276

  • Complementary Output Hall Effect Latch

  • 7頁

  • ANACHIP   ANACHIP

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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擄C to 85擄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銆丏OB
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

ATS276 產(chǎn)品屬性

  • Diodes Inc.

  • 工業(yè)霍耳效應(yīng)/磁性傳感器

  • Complementary Output Hall Effect Latch

  • 20 V

  • 400 mA

  • SIP-4L

  • 1.5 uS

  • 5 G to 70 G

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