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ATS17501PSGATN-SDFUYK PDF预览

ATS17501PSGATN-SDFUYK

更新时间: 2024-09-17 02:15:35
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急速微 - ALLEGRO /
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23页 1937K
描述
Dual Output Differential Speed and Direction Sensor IC

ATS17501PSGATN-SDFUYK 数据手册

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ATS17501  
Dual Output Differential Speed and Direction Sensor IC  
FEATURES AND BENEFITS  
DESCRIPTION  
• High-speed switching bandwidth up to 40 kHz  
• Two independent output channels with options for high  
resolution XOR speed, pulse, and direction protocol  
• ASIL B(D) compliant (ISO 26262), assessment pending  
• Optional fault detection output protocol  
• Immune to common external magnetic disturbance  
• EEPROM enables factory traceability throughout product  
life cycle  
TheATS17501 is a single IC solution designed for rotational  
position sensing of a ferrous gear target found in automotive  
and industrial electric motor applications (often with specific  
application and safety requirements). The IC is housed in an  
SG package that incorporates a rare-earth magnetic pellet for  
ease of manufacturing, consistent application performance  
over temperature, and enhanced reliability.  
ThreeHallelementsareincorporatedtocreatetwoindependent  
differential channels. These inputs are processed by digital  
circuits and robust algorithms designed to eliminate the  
detrimental effects of magnetic and system offsets, and to  
address false output transitions caused by target vibrations  
in electric motors at startup and low speed operation. The  
differential signals are used to produce a highly accurate  
speed output and, if desired, provide information on the  
direction of rotation.  
• Ideally suited for asynchronous electric motor applications  
2
-
Advanced calibration techniques are used to optimize signal  
offset and amplitude. This calibration, combined with the  
digital tracking of the signal, results in accurate switch points  
over air gap, speed, and temperature.  
PACKAGE:  
The IC can be programmed for a variety of applications  
requiring dual-phase gear speed and position signal  
information or simultaneous high-resolution gear speed  
and direction information. It can be configured to enable  
Fault Detection mode for ASIL B(D) utilization (assessment  
pending).  
4-Pin SIP  
(suffix SG)  
The ATS17501 SG package is a lead (Pb) free 4-pin SIP  
package with an integrated back-biasing magnet and a 100%  
matte-tin-plated lead frame.  
Not to scale  
Functional Block Diagram  
Analog  
Regulator  
EEPROM  
VCC  
Diagnostics  
Digital  
Regulator  
Temperature  
Sensor  
OUTA  
Digital  
Controller  
Oscillator  
Hall  
Elements  
Analog  
Gain  
OUTB  
GND  
ADC  
Filter  
Analog  
Filter  
Gain  
ADC  
ATS17501-DS, Rev. 2  
MCO-0000734  
March 19, 2020  
Advance Information Datasheet • Subject to Change Without Notice  

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