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Datasheet
AS5134
360 Step Programmable High Speed Magnetic Rotary Encoder
1 General Description
The AS5134 is a contactless magnetic rotary encoder for accurate
angular measurement over a full turn of 360o. 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 absolute angle measurement
provides instant indication of the magnet’s angular position with a
resolution of 8.5 bit = 360 positions per revolution. This digital data is
available as a serial bit stream and as a PWM signal. In addition to
the angle information, the strength of the magnetic field is also
available as a 6-bit code.
Data transmission can be configured for 1-wire (PWM), 2-wires
(DCLK, DIO) or 3-wires (DCLK, DIO, CS).
A software programmable (OTP) zero position simplifies assembly
as the zero position of the magnet does not need to be mechanically
aligned.
?? Two digital 360 step (8.5 bit) absolute outputs: Serial interface
and Pulse width modulated (PWM) output
?? User programmable zero position and sensitivity
?? High speed: up to 76875 rpm
?? Direct measurement of magnetic field strength allows exact
determination of vertical magnet distance
?? Incremental Outputs ABI Quadrature: 90 ppr, step direction:
180ppr, fixed pulse width 360ppr
?? BLDC Outputs UVW, selectable for 1,2,3,4,5,6 pole pairs
?? Daisy-Chain mode for cascading of multiple sensors
?? 9-bit multi turn counter
?? Low power mode with fast startup
?? Wide magnetic field input range: 20- 80 mT
?? Wide temperature range: -40oC to +140oC
?? Fully automotive qualified to AEC-Q100
A Power Down Mode together with fast startup and measurement
cycles allows a very low average power consumption.
?? Small Pb-free
package: SSOP 20
2 Key Features
?? 360o contactless angular position encoding
3 Applications
The AS5134 is suitable for contactless rotary position sensing, rotary
switches (human machine interface), AC/DC motor position control
and Brushless DC motor position control.
Figure 1. AS5134 Magnetic Rotary Encoder Block Diagram
VDD 5 V
U V W
A B Index
Commutation
Interface
Incremental
Interface
PWM Decoder
PWM
Multiturn
Hall Array
&
Frontend
Amplifier
AS5134
Tracking ADC
& Angle
Decoder
AGC
Zero
Pos. Angle
Mag
AGC
Counter
Absolute
Serial
Interface
(SSI)
DIO
CS
CLK
C2
DX
Power Management
GND
www.austriamicrosystems.com/AS5134
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相关代理商/技术参数
AS5134-AB
制造商:ams 功能描述:AS5134 Adapter Board
AS5134-ASSU
制造商:AMS 功能描述:ENCODER MAGNETIC ROTARY 8BIT 20SSOP 制造商:AMS 功能描述:ENCODER, MAGNETIC, ROTARY, 8BIT, 20SSOP
AS5134-DB
制造商:ams 功能描述:AS5134 Demo Board
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功能描述:磁传感器开发工具 AS5134 Progamming Board RoHS:否 制造商:Maxim Integrated 工具用于评估: 接口类型: 工作电压:
AS5134-SS_EK_AB
功能描述:AS5134 - Magnetic, Rotary Position Sensor Evaluation Board 制造商:ams 系列:- 零件状态:有效 传感器类型:磁性，旋转位置 感应范围:360° 接口:串行 灵敏度:- 电压 - 电源:4.5 V ~ 5.5 V 嵌入式:否 所含物品:板 使用的 IC/零件:AS5134 标准包装:1
AS5134-SS_EK_DB
功能描述:AS5134 - Magnetic, Rotary Position Sensor Evaluation Board 制造商:ams 系列:- 零件状态:有效 传感器类型:磁性，旋转位置 感应范围:360° 接口:USB 灵敏度:- 电压 - 电源:5V USB 或 9V 嵌入式:是，MCU，8 位 所含物品:板，线缆 使用的 IC/零件:AS5134 标准包装:1
AS5134-SS_EK_PB
功能描述:AS5000 Programmer, AS5134 - ZIF Socket 制造商:ams 系列:- 零件状态:有效 模块/板类型:ZIF 插口 配套使用产品/相关产品:AS5000 编程器，AS5134 标准包装:1
AS5134-ZSSM
制造商:AMS 功能描述:IC ENCODER RPTARY 20-SSOP