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參數(shù)資料
| 型號： | AS5245 |
| 廠商： | AUSTRIAMICROSYSTEMS AG |
| 元件分類： | 同步/旋轉傳感器 |
| 英文描述： | 12-bit Rotary Position Sensor; Package Type: QFN(5x5)-32; Temperature Range: -40 - +140 °C; Resolution: 12-bit rotary (4096 steps); Automotive Qualification: X; Output Interface: SSI & PWM; Supervised Voltages (IN1): 5,00; Supply Voltage: 4,50-5,50 |
| 封裝： | QFN(5x5)-32 |
| 文件頁數(shù)： | 1/31頁 |
| 文件大小： | 871K |
| 代理商： | AS5245 |
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AS5245
Programmable 360o Magnetic Angle Encoder with Absolute SSI and
PWM Output
1 General Description
Revision 1.51 - 31
Data Sheet
The AS5245 is a contactless magnetic angle encoder for accurate
measurement up to 360o and includes two AS5145 devices in a
punched stacked leadframe.
It is a system-on-chip, combining integrated Hall elements, analog
front end and digital signal processing in a single device.
To measure the angle, only a simple two-pole magnet, rotating over
the center of the chip is required. The magnet may be placed above
or below the IC.
The absolute angle measurement provides instant indication of the
magnet’s angular position with a resolution of 0.0879o = 4096
positions per revolution. This digital data is available as a serial bit
streamand as a PWMsignal.
An internal voltage regulator allows operation of the AS5245 from
3.3V or 5.0V supplies.
The AS5245 is fully automotive qualified to AEC-Q100, grade 0.
2 Key Features
Contactless high resolution rotational position encoding over a
full turn of 360o
Two digital 12-bit absolute outputs
Quadrature A/B (10- or 12-bit) and Index output signal
User programmable zero position
Failure detection mode for magnet placement monitoring and
loss of power supply
“Red-Yellow-Green” indicators display placement of magnet in
Z-axis
Tolerant to magnet msalignment and air gap variations
Wide temperature range: - 40oC to +150oC
Unique Chip Identifier
Fully automotive qualified to AEC-Q100, grade 0
Small package: QFN 32 LD (7x7)
3 Applications
The AS5245 is ideal for applications with an angular travel range
froma few degrees up to a full turn of 360o. The device is suitable for
Automotive applications like Throttle position sensors, Gas/brake
pedal position sensing, Headlight position control, Contactless rotary
position sensing, Front panel rotary switches and Replacement of
potentiometer.
DSP
Hall Array
&
Frontend
Amplifier
Absolute
Interface
(SSI)
Incremental
Interface
Sin
Cos
Ang
Mag
MagINCn
MagDECn
DO
PWM
CLK
DTEST1_A
DTEST2_B
Mode_Index
PDIO
CSn
PWM
Interface
OTP
Register
VDD5V
VDD3V3
LDO 3.3V
Mux
AS5245
Note: This Block Diagrampresents only one die
Figure 1. AS5245 Block Diagram
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| AS5245 AB | 功能描述:BOARD ADAPTER AS5245 RoHS:否 類別:編程器，開發(fā)系統(tǒng) >> 評估板 - 傳感器 系列:- 產品培訓模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標準包裝:1 系列:- |
| AS5245 DB | 功能描述:BOARD DEMO AS5245 RoHS:否 類別:編程器，開發(fā)系統(tǒng) >> 評估板 - 傳感器 系列:- 產品培訓模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標準包裝:1 系列:- |
| AS5245_1 | 制造商:AMSCO 制造商全稱:austriamicrosystems AG 功能描述:Programmable 360?o Magnetic Angle Encoder with Absolute SSI and PWM Output |
| AS5245-DB | 功能描述:磁傳感器開發(fā)工具 AS5245 Demo Board RoHS:否 制造商:Maxim Integrated 工具用于評估: 接口類型: 工作電壓: |
| AS5245-HMFM | 功能描述:IC ENCODER ROTARY 32-QFN 制造商:ams 系列:汽車級，AEC-Q100 零件狀態(tài):有效 編碼器類型:磁性 輸出類型:正交（增量） 每轉脈沖數(shù):- 電壓 - 電源:3 V ~ 3.6 V，4.5 V ~ 5.5 V 致動器類型:外磁鐵，不含 棘爪:無 內置開關:無 安裝類型:表面貼裝 朝向:- 端子類型:SMD（SMT）接片 旋轉壽命（最少次數(shù)）:- 標準包裝:1 |
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