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參數(shù)資料
| 型號： | ATS278Z-PL-B |
| 元件分類： | 圓形連接器 |
| 英文描述： | Circular Connector; Body Material:Aluminum; Series:PT07; No. of Contacts:32; Connector Shell Size:18; Connecting Termination:Crimp; Circular Shell Style:Jam Nut Receptacle; Circular Contact Gender:Pin; Insert Arrangement:18-32 |
| 中文描述： | 兩相霍爾效應(yīng)鎖存輸出蛋白原 |
| 文件頁數(shù)： | 1/6頁 |
| 文件大?。?/td> | 210K |
| 代理商： | ATS278Z-PL-B |
ATS278
Two Phase Hall Effect Latch With FG Output
Features
- On-chip Hall plate
- Operating voltage: 3.5V~20V
- Internal bandgap regulator allows temperature
compensated operations and a wide operating
voltage range
- High output sinking capability up to 400mA for
driving large load
- Built-in protection diode only for chip reverse
power connecting
- Frequency Generation (FG) output
- Package: SIP-5L
Applications
-
Dual-coil Brush-less DC Motor
-
Dual-coil Brush-less DC Fan
-
Revolution Counting
-
Speed Measurement
Ordering Information
ATS278X - X X - X
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. 1.0 Oct 4, 2005
1/6
General Description
ATS278 is an integrated Hall sensor with two output
drivers and rotor speed output, typically designed
for electronic commutation of two-phase brush-less
DC fan applications.
On-chip Hall sensor will generate Hall voltage due
to magnetics sensing. The amplifier will amplify the
Hall voltage. The Schmitt trigger determines
switching hysteresis and then control internal
driver’s on/off to sink load current. Meanwhile, An
internal bandgap regulator is used to provide stable
bais due to temperature-compensation. FG pin will
provide switching frequency of driver. Major feature
is to minimize the external components by
building-in FG output transistor.
If a magnetic flux density larger than threshold Bop,
DO is turned on (low) and DOB is turned off (high).
The output state is held until a magnetic flux density
reversal falls below Brp causing DO to be turned off
and DOB turned on.
P: SIP-5L
Package
Lead
L : Lead Free
Wafer Body
Magnetic
Characteristics
A or B
Blank or
A~Z : if necessary
to specify
*Packing: Bulk
Typical Application Circuit
5V/12V
278
1
5
4
3
2
Coil1
Coil2
R
pu
C1
+
Speed
R1
R2
C1
C2
R1 = R2 = 47
C1 = C2 = 2.2 F
The R, C value need to be fine tuned
base on coils design.
μ
μ
5V/12V DC Brush-less Fan with FG output function
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| ATS278-PL-B | Two Phase Hall Effect Latch With FG Output |
| ATS278A-PL-A | Two Phase Hall Effect Latch With FG Output |
| ATS278A-PL-B | Two Phase Hall Effect Latch With FG Output |
| ATS278-PL-A | Two Phase Hall Effect Latch With FG Output |
| ATS630LSA | Analog IC |
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