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ATS477 데이터시트 PDF




Anachip에서 제조한 전자 부품 ATS477은 전자 산업 및 응용 분야에서
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부품번호 ATS477 기능
기능 Single Phase Hal Efect Latch
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ATS477 데이터시트, 핀배열, 회로
www.DataSheet4U.com
Single Phase Hall Effect Latch
ATC
ATS477
„ Features
„ General Description
- 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
„ Ordering Information
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.
ATS477 X - X X X - X
Wafer Body
Package
Lead
Packing
Blank or
A~Z : if necessary
to specify
P: SIP-4L
S: SOP-7L
L : Lead Free
Blank: Normal
Blank : Tube or Bulk
A : Tape & Reel
„ Application Circuit
Magnetic
Characteristics
A or B
12
34
FG
coil
Vcc
(SIP-4L)
Vcc
Single-coil brush-less DC Fan
17
26
3
45
(SOP 7)
coil
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




ATS477 pdf, 반도체, 판매, 대치품
Single Phase Hall Effect Latch
ATC
ATS477
„ Absolute Maximum Ratings ( at Ta=25oC )
Characteristics
Symbol
Values
Unit
Supply voltage
Magnetic flux density
VCC 20 V
B Unlimited
Continuous
250
Output “on” current
Hold
Ic 300 mA
Peak (Start Up)
600
Operating temperature range
Ta
-20~+85
°C
Storage temperature range
Ts
-65~+150
°C
Package Power
Dissipation
SIP-4L
SOP-7L
PD
550 mW
800 mW (Note 1)
(Note 1) Ground pin must connect to large area copper on PCB as possible.
„ Electrical Characteristics ( Ta=+25°C, Vcc=3.5V to 20V )
Characteristic
Symbol
Test Conditions
Min Typ Max Unit
Supply Voltage
Vcc
3.5 20 V
Output
Voltage
Saturation Vce(sink)
Vce(drive)
Vcc=14V, Ic=200mA
Vcc=14V, Ic=200mA
500 800 mV
Vcc-1.5 Vcc V
FG Saturation Voltage
Vce
Vcc=14V, IFG=20mA
0.3 0.7 V
Supply Current
Icc
Vcc=20V, Output Open
18 30 mA
Output Rise Time
tr Vcc=14V, RL=820, CL=20pF 1.0 5.0 µs
Output Falling Time
tf Vcc=14V, RL=820, CL=20pF 0.3 1.5 µs
Switch Time Differential
t Vcc=14V, RL=820, CL=20pF 1.0 5.0 µs
„ Magnetic Characteristics (Ta=+25°C)
A grade
Characteristic
Operate Point
Release Point
Hysteresis
B grade
Characteristic
Operate Point
Release Point
Hysteresis
Symbol
Bop
Brp
Bhy
Symbol
Bop
Brp
Bhy
Min.
5
-70
-
Min.
-
-100
-
Typ.
-
-
60
Typ.
-
-
60
(1mT=10Gauss)
Max.
70
-5
-
Unit
Gauss
Gauss
Gauss
Max.
100
-
-
Unit
Gauss
Gauss
Gauss
Anachip Corp.
www.anachip.com.tw
Rev. A5 Apr 15, 2004
4/7

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ATS477 전자부품, 판매, 대치품
Single Phase Hall Effect Latch
(2) SOP-7L
C2 C3
ATC
ATS477
A
X
Y
C1
C
β
B1 B2
Ee
D
F
Symbol
A
B1
B2
C
C1
C2
C3
D
E
e
F
X
Y
β
Dimensions In Millimeters
Min.
Nom.
Max.
5.79
3.83
3.78
4.80
1.57
0.32
1.17
0.19
0.48
1.35
-
-
5.99
3.91
3.86
4.87
1.67
0.40
1.27
0.22
1.04REF
0.68
1.45
2.90
2.00
7o
6.19
3.99
3.94
4.94
1.77
0.48
1.37
0.25
0.88
1.55
-
-
Dimensions In Inches
Min.
Nom.
Max.
0.228
0.151
0.149
0.189
0.062
0.013
0.046
0.007
0.019
0.053
-
-
0.236
0.154
0.152
0.192
0.066
0.016
0.050
0.009
0.041REF
0.027
0.057
0.114
0.079
7o
0.244
0.157
0.155
0.194
0.070
0.019
0.054
0.010
0.035
0.061
-
-
Anachip Corp.
www.anachip.com.tw
Rev. A5 Apr 15, 2004
7/7

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부품번호상세설명 및 기능제조사
ATS477

Single Phase Hal Efect Latch

Anachip
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