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A19571

A19571首页预览图
型号: A19571
PDF文件:
  • A19571 PDF在线浏览
功能描述: GMR Transmission Speed and Direction Sensor IC
PDF文件大小: 2130.46 Kbytes
PDF页数: 共17页
制造商: ALLEGRO[Allegro MicroSystems]
制造商LOGO: ALLEGRO[Allegro MicroSystems] LOGO
制造商网址: http://www.allegromicro.com
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  • 深圳市芯飞航电子科技有限公司

    4

    1772261790117722617901夏先生华强北路2006号曼哈商业广场A座4楼B80111013052

  • A19571LUBBTN-FSNPH
  • Allegro MicroSystems 
  •  
  • 2021 
  • 58168 
  • 绝对全新原装,现货热卖价优 
  • Email:505406974@QQ.COM
PDF页面索引
100%
A19571-DS
MCO-0000941
GMR technology delivers high magnetic sensitivity for
large air gaps and minimal jitter
SolidSpeed Digital Architecture provides robust,
adaptive performance with advanced algorithms that
provide vibration immunity over the full target pitch
Flexible orientation allows parallel or perpendicular
placement to the magnet
ISO 26262 ASIL B with integrated diagnostics and
certified safety design process (pending assessment)
EEPROM enables traceability throughout product life
cycle
Large Air Gap, Vibration-Tolerant,
GMR Transmission Speed and Direction Sensor IC
A19571
The A19571 is a magnetic sensor integrated circuit (IC) that
uses giant magnetoresistance (GMR) technology to encode the
speed and direction of rotating ring magnets. Using a state-of-
the-art GMR stack design integrated with a BiCMOS process,
the IC differentially measures magnetic fields and applies
advanced digital processing to robustly measure ring magnets
commonly used in automotive transmissions.
The A19571 features Allegro’s SolidSpeed Digital Archi-
tecture for robust and reliable target tracking that adapts to
changes in the air gap and the environment. Its advanced
algorithms distinguish vibration from rotation to provide
reliable speed and direction information to a controller.
The IC has been designed to a certified ISO 26262 design
process to allow easy integration into high safety level systems.
Integrated diagnostics are used to detect an IC failure that
impacts the output protocol’s accuracy, providing coverage
compatible with ASIL B compliance (pending assessment).
The A19571 is provided in a 2-pin miniature SIP package
(suffix UB) that is lead (Pb) free, with tin leadframe plating.
The UB package includes an IC and capacitor integrated into
a single overmolded package, with an additional molded
lead-stabilizing bar for robust shipping and ease of assembly.
FEATURES AND BENEFITS
DESCRIPTION
September 4, 2020
Figure 1: Functional Block Diagram
VCC
GMR
Elements
Front End
Amplifiers
+
+
Bias
Control
Current
Source
Diagnostics EEPROM
Digital
Controller
GND
ESD,
EMC
ADC
ADC
Voltage
Regulators
PACKAGE:
Not to scale
2-Pin SIP
(suffix UB)
2
-
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