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AS5145H Rotary Sensor

12-bit rotary position sensor with digital angle (interface) and PWM output

特点

  • Failure detection mode for magnet placement monitoring and loss of power supply
  • Serial read-out of multiple interconnected AS5145 devices using Daisy Chain mode
  • Detects movement of magnet in Z-axis (Red-Yellow-Green indicator)
  • Contactless high resolution rotational position encoding over a full turn of 360 degrees
  • Simple user-programmable zero position and settings
  • Serial communication interface (SSI)
    10-bit pulse width modulated (PWM) output
    Quadrature A/B and Index output signal
  • Rational speeds up to 30,000 rpm

优势

  • Highest reliability and durability
  • Simple programming
  • Multiple interfaces
  • Ideal for motor applications
  • Failure diagnostics
  • Easy setup
  • Great flexibility at a huge application area

产品参数

Resolution [bit] 12
Interface SSI
Output Digital angle (interface) / PWM
Max. Speed [rpm]
Overvoltage Protection
Redundant
Supply Voltage [V] 3.3 or 5.0
Temperature Range [°C] -40 to +150
Package SSOP-16
Automotive Qualified Yes
Longevity Program

综述

The AS5145H is a contactless magnetic rotary position sensor for accurate angular measurement over a full turn of 360° and over an extended ambient temperature range of -40°C to 150°C. The absolute angle measurement provides instant indication of the magnet’s angular position with a resolution of 0.0879° = 4096 positions per revolution via a serial bit stream and as a PWM signal.

With two decades of magnetic sensor system know-how, we have broad experience in selecting the most suitable magnets. ams experts recommend the following magnet suppliers.

本产品适用于以下应用:

  • Transmission gearbox position sensor
  • Headlight position control
  • Valve position sensing

工具

标题 分类 主标题 购买
AS5145DemoKit Application Board Demo Kit for AS5145
SD4Y-PP Accessories Production Programmer SD4Y

技术文档

类别 描述 语言
Datasheet Datasheet for AS5145 English
Application Note PPTRIM programming English
Application Note AN5000 Magnet Selection Guide v1-04 English
Application Note Tape & Reel Packing Information English
User Guide Programming tool English

环境文档

类别 描述 语言
Material Declaration Form MDF_177710073_AS5145H-HSST English
Material Declaration Form MDF_177710073_AS5145H-HSSM English
Material Declaration Form MDF_177710073_AS5145H English
RoHS Certificate RoHS Certificate_AS5145H_AS5145A_AS5145B English

通知

类别 描述 语言
EoL Notification AS5xxx, AS6204, AS8223 EoL Notification (issued August-10-2021) English
Product Change Notification PCN38-2018 (AS50xx, AS51xx, AS52xx, AS54xx, AS8xxx) English

其他信息

类别 描述 语言
Block Diagram AS5145 Block Diagram English
Image ASXXXX On-Axis SSOP16 Magnetic Field Lines
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