Datasheet > AS5040

AS5040

更新时间： 2024-10-01 06:37:51

品牌	Logo	应用领域
艾迈斯 - AMSCO		编码器
页数	文件大小	规格书
28页	654K
描述
10 BIT 360° PROGRAMMABLE MAGNETIC ROTARY ENCODER

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AS5040 数据手册

AS5040 10-BIT PROGRAMMABLE MAGNETIC ROTARY ENCODER

AS5040

10 BIT 360° PROGRAMMABLE MAGNETIC ROTARY ENCODER

DATA SHEET

General Description

1.2 Key Features

The AS5040 is a contactless magnetic rotary encoder for

accurate angular measurement over a full turn of 360°.

Contactless high resolution rotational position

encoding over a full turn of 360 degrees

It is

a system-on-chip, combining integrated Hall

Two digital 10bit absolute outputs:

- Serial interface and

elements, analog front end and digital signal processing

in a single device.

- Pulse width modulated (PWM) output

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.

Three incremental output modes:

- Quadrature A/B and Index output signal

- Step / Direction and Index output signal

- 3-phase commutation for brushless DC motors

- 10, 9, 8 or 7 bit user programmable resolution

The absolute angle measurement provides instant

indication of the magnet’s angular position with

resolution of 0.35° = 1024 positions per revolution. This

digital data is available as a serial bit stream and as a

PWM signal.

User programmable zero / index position

Failure detection mode for magnet placement

monitoring and loss of power supply

Furthermore, a user-programmable incremental output is

available, making the chip suitable for replacement of

various optical encoders.

Rotational speeds up to 10,000 rpm

Push button functionality detects movement of

magnet in Z-axis

An internal voltage regulator allows the AS5040 to

operate at either 3.3 V or 5 V supplies

Serial read-out of multiple interconnected AS5040

devices using Daisy Chain mode

Wide temperature range: - 40°C to + 125°C

Fully automotive qualified to AEC-Q100, grade 1

Small Pb-free package: SSOP 16 (5.3mm x 6.2mm)

1.3 Applications

Industrial applications:

- Contactless rotary position sensing

- Robotics

- Brushless DC motor commutation

- Power tools

Figure 1: Typical arrangement of AS5040 and magnet

Automotive applications:

1.1 Benefits

- Steering wheel position sensing

- Gas pedal position sensing

- Transmission gearbox encoder

- Headlight position control

- Power seat position indicator

Complete system-on-chip

Flexible system solution provides absolute, PWM

and incremental outputs simultaneously

Ideal for applications in harsh environments due to

contactless position sensing

Office equipment: printers, scanners, copiers

Replacement of optical encoders

Front panel rotary switches

Tolerant to magnet misalignment and airgap

variations

No temperature compensation necessary

No calibration required

Replacement of potentiometers

Revision 1.6, 03-Oct-06

www.austriamicrosystems.com

Page 1 of 28

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与AS5040相关器件

型号	品牌	获取价格	描述	数据表
AS5040_09	AMSCO	获取价格	10Bit 360 Programmable Magnetic Rotary Encoder
AS5040_1	AMSCO	获取价格	10Bit 360 Programmable Magnetic Rotary Encoder
AS5040ASST	AMSCO	获取价格	10Bit 360 Programmable Magnetic Rotary Encoder
AS5040ASSU	AMSCO	获取价格	10Bit 360 Programmable Magnetic Rotary Encoder
AS-5042-A	BUD	获取价格	SLIDING MECHANISMS
AS5043	AMSCO	获取价格	PROGRAMMABLE 360° MAGNETIC ANGLE ENCODER WITH
AS5043_09	AMSCO	获取价格	Programmable 360 Magnetic Angle Encoder with Absolute SSI and Analog Outputs
AS5043_1	AMSCO	获取价格	Programmable 360 Magnetic Angle Encoder with Absolute SSI and Analog Outputs
AS5043ASST	AMSCO	获取价格	Programmable 360 Magnetic Angle Encoder with Absolute SSI and Analog Outputs
AS5043ASSU	AMSCO	获取价格	Programmable 360 Magnetic Angle Encoder with Absolute SSI and Analog Outputs

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