AS5145B-HSST

Product Overview

Category

The AS5145B-HSST belongs to the category of magnetic rotary position sensors.

Use

It is used for accurately measuring the angular position of a magnetic field.

Characteristics

• High accuracy
• Robust design
• Contactless operation
• Wide temperature range
• High-speed serial interface

Package

The AS5145B-HSST is available in a small surface-mount package, making it suitable for various applications where space is limited.

Essence

The essence of the AS5145B-HSST lies in its precise and reliable measurement of angular position using magnetic fields.

Packaging/Quantity

The sensor is typically supplied in reels or tubes, with quantities varying based on customer requirements.

Specifications

• Operating Voltage: 3.3V to 5.5V
• Output Interface: SPI
• Resolution: 12-bit
• Operating Temperature Range: -40°C to 150°C
• Maximum Speed: 30,000 RPM

Detailed Pin Configuration

The AS5145B-HSST features a standard SPI interface with pins for power supply, ground, and communication.

| Pin Name | Description | |----------|-------------------| | VDD | Power Supply | | GND | Ground | | CS | Chip Select | | SCK | Serial Clock | | MISO | Master In Slave Out (Data Output) | | MOSI | Master Out Slave In (Data Input) |

Functional Features

• Absolute angle measurement
• Non-contact operation
• High-speed data output
• On-chip diagnostics for fault detection

Advantages

• High accuracy and resolution
• Reliable performance in harsh environments
• Compact form factor
• Easy integration with microcontrollers

Disadvantages

• Sensitive to external magnetic interference
• Higher cost compared to some alternative technologies

Working Principles

The AS5145B-HSST utilizes Hall effect sensors to detect changes in the magnetic field, converting them into precise angle measurements. The sensor's internal processing unit then communicates this information through the SPI interface.

Detailed Application Field Plans

The AS5145B-HSST is well-suited for applications such as: - Automotive systems (e.g., electronic power steering) - Industrial automation (e.g., robotics) - Consumer electronics (e.g., gaming peripherals)

Detailed and Complete Alternative Models

Some alternative models to the AS5145B-HSST include: - AS5048A: Lower resolution but lower cost - AS5045B: Similar resolution and features, different package

In conclusion, the AS5145B-HSST offers high-precision angular position sensing in a compact and robust package, making it an ideal choice for various demanding applications.

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