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參數資料
| 型號： | ATS477A-SA-A |
| 英文描述： | Single Phase Hal Efect Latch |
| 中文描述： | 單相哈爾效應鎖存 |
| 文件頁數： | 1/7頁 |
| 文件大小： | 196K |
| 代理商： | ATS477A-SA-A |
Single Phase Hall Effect Latch
ATS477
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. A5 Apr 15, 2004
1/7
ATC
Features
- On-chip Hall sensor
- Bi-direction H type output drivers for single coil
- Internal bandgap regulator allows temperature
compensated operations and a wide operating
voltage range
- High output sinking capability up to 250mA
- Operating voltage: 3.5V~20V
- Low output switching current noise
- Build-in shunt Zener protection for output driver
- SOP-7L provide FG output pin
- Package: SIP-4L and SOP-7L
Applications
- Single-coil Brush-less DC Fan
- Single-coil Brush-less DC Motor
General Description
ATS477 that integrates Hall sensor with output
drivers is designed for electrical commutation of
brush-less DC motor application. The device
includes
on-chip
Hall
voltage
generator
for
magnetic sensing, the error amplifier that amplifies
the Hall voltage, a comparator that is to provide
switching hysteresis for noise rejection, the
bi-direction drivers for sinking and driving large
current load, and the frequency generator (FG) that
provides a signal proportional to rotation speed.
Internal bandgap regulator is used to provide
temperature compensated bias for internal circuits
and allows a wide operating supply voltage range.
Built-in protection circuit and output shunt Zener
diodes were applied for protecting output drivers
during operating.
If a magnetic flux density is larger than threshold
Bop, DO is turned to sink and DOB is turned to
drive. The output state is held until a magnetic flux
density reversal falls below Brp causing DO to be
turned to drive and DOB turned to sink.
ATS477 is rated for operation over-temperature
range from -20
oC to 85 oC and voltage range from
3.5V to 20V. The devices are available in low cost
die forms or rugged SIP-4L and power SOP-7L
packages.
Ordering Information
ATS477 X -X X X -X
Packing
Blank : Tube or Bulk
A
: Tape & Reel
P: SIP-4L
Package
Lead
L : Lead Free
Blank: Normal
Wafer Body
Magnetic
Characteristics
Blank or
A~Z : if necessary
to specify
A or B
S: SOP-7L
Application Circuit
Vcc
12
3
4
coil
1
5
4
3
2
6
7
FG
Vcc
(SIP-4L)
(SOP 7)
Single-coil brush-less DC Fan
相關PDF資料 |
PDF描述 |
|---|---|
| ATS477A-SA-B | Single Phase Hal Efect Latch |
| ATS477A-SL-A | Single Phase Hal Efect Latch |
| ATS477A-SL-B | Single Phase Hal Efect Latch |
| ATS477A-SLA-A | Single Phase Hal Efect Latch |
| ATS477A-SLA-B | Single Phase Hal Efect Latch |
相關代理商/技術參數 |
參數描述 |
|---|---|
| ATS477A-SA-B | 制造商:ANACHIP 制造商全稱:Anachip Corp 功能描述:Single Phase Hal Efect Latch |
| ATS477A-S-B | 制造商:ANACHIP 制造商全稱:Anachip Corp 功能描述:Single Phase Hal Efect Latch |
| ATS477A-SL-A | 制造商:ANACHIP 制造商全稱:Anachip Corp 功能描述:Single Phase Hal Efect Latch |
| ATS477A-SLA-A | 制造商:ANACHIP 制造商全稱:Anachip Corp 功能描述:Single Phase Hal Efect Latch |
| ATS477A-SLA-B | 制造商:ANACHIP 制造商全稱:Anachip Corp 功能描述:Single Phase Hal Efect Latch |
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