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| 型号： | AS5245 DB |
| 厂商： | ams |
| 文件页数： | 2/32页 |
| 文件大小： | 0K |
| 描述： | BOARD DEMO AS5245 |
| 标准包装： | 1 |
| 传感器类型： | 磁性，旋转位置 |
| 传感范围： | 360° |
| 接口： | USB |
| 电源电压： | 5V USB 或 9V |
| 嵌入式： | 是，MCU，8 位 |
| 已供物品： | 板，线缆 |
| 已用 IC / 零件： | AS5245 |
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Data Sheet
AS5245
Programmable 360o Magnetic Angle Encoder with Absolute SSI and
PWM Output
1 General Description
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
stream and as a PWM signal.
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
Figure 1. AS5245 Block Diagram
VDD3V3
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 misalignment 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
from a 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.
VDD5V
LDO 3.3V
Sin
Ang
PWM
Interface
MagINCn
MagDECn
PWM
Hall Array
&
Frontend
Amplifier
Cos
DSP
OTP
Register
Mag
Absolute
Interface
(SSI)
DO
CSn
CLK
PDIO
Mux
AS5245
Incremental
Interface
DTEST1_A
DTEST2_B
Mode_Index
Note: This Block Diagram presents only one die
www.austriamicrosystems.com/AS5245
Revision 1.5
1 - 31
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相关代理商/技术参数 |
参数描述 |
|---|---|
| AS5245-HMFM | 功能描述:IC ENCODER ROTARY 32-QFN 制造商:ams 系列:汽车级，AEC-Q100 零件状态:有效 编码器类型:磁性 输出类型:正交（增量） 每转脉冲数:- 电压 - 电源:3 V ~ 3.6 V，4.5 V ~ 5.5 V 致动器类型:外磁铁，不含 棘爪:无 内置开关:无 安装类型:表面贴装 朝向:- 端子类型:SMD（SMT）接片 旋转寿命（最少次数）:- 标准包装:1 |
| AS5245-HMFP | 功能描述:IC ENCODER ROTARY 32QFN 制造商:ams 系列:汽车级，AEC-Q100 零件状态:有效 编码器类型:磁性 输出类型:正交（增量） 每转脉冲数:- 电压 - 电源:3 V ~ 3.6 V，4.5 V ~ 5.5 V 致动器类型:外磁铁，不含 棘爪:无 内置开关:无 安装类型:表面贴装 朝向:- 端子类型:SMD（SMT）接片 旋转寿命（最少次数）:- 标准包装:4,000 |
| AS5245HQFT | 制造商:ams 功能描述:QFN 32 |
| AS5245-HQFT | 功能描述:IC ENCODER PROG 32-QFN RoHS:是 类别:传感器，转换器 >> 磁性 - 霍尔效应，数字式开关，线性，罗盘 (IC) 系列:- 标准包装:1 系列:- 传感范围:20mT ~ 80mT 类型:旋转 电源电压:4.5 V ~ 5.5 V 电流 - 电源:15mA 电流 - 输出（最大）:- 输出类型:数字式，PWM，8.5 位串行 特点:可编程 工作温度:-40°C ~ 150°C 封装/外壳:20-SSOP（0.209"，5.30mm 宽） 供应商设备封装:20-SSOP 包装:Digi-Reel® 其它名称:AS5132-HSST-500DKR |
| AS5245HQFT500 | 制造商:ams 功能描述:T&R / QFN 32 |
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