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ATS177

Anachip
Part Number ATS177
Manufacturer Anachip
Description Single Output Hall Effect Latch
Published Oct 2, 2015
Detailed Description Single Output Hall Effect Latch ATC ATS177 „ Features - 3.5V to 20V DC operation voltage - Temperature compensation - ...
Datasheet PDF File ATS177 PDF File

ATS177
ATS177

Overview
Single Output Hall Effect Latch ATC ATS177 „ 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 - Package: SIP3, SOT23 „ Applications - Brush-less DC Motor - Brush-less DC Fan - Revolution counting - Speed measurement „ 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).
„ Ordering Information ATS177 X - X X X - X Wafer Body Blank or A~Z : if necessary to specify Package P: SIP3 W: SOT23 Lead L : Lead Free Blank: Normal Packing Blank : Tube or Bulk A : Tape & Reel Magnetic Characteristics A or B „ Typical Application Circuit +12V D1 U1 1 VCC OUTPUT GND 2 ATS177 3 R1 2K L1 Q1 NPN R2 3K + C1 0.
47uF L2 Q2 NPN + C2 0.
47uF 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.
A6 Jun 23, 2004 1/6 Single Phase Hall Effect Latch „ Functional Block Diagrams Vcc 1 Regulator Hall plate Amp ATC ATS177 23 DO 2 Vss „ Pin Descriptions 177 12 3 2 177 13 Top view 1 : Vcc 2 : Vss 3 : DO Name Vcc Vss DO P/I/O P P O Pin # 1 2 3 Descr...


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