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QMC5883L

Name: QMC5883L
Rating: 4.7 (12 reviews)

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資料表 QMC5883L DataSheet
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規格

Manufacturer	QST
Package	LGA-16(3x3)

概述

Description

The QMC5883L is a digital compass sensor that measures magnetic field strength along three axes (X, Y, and Z) to determine the orientation of the device in space. It uses a three-axis magnetometer technology, allowing users to sense the Earth's magnetic field and compute heading or orientation relative to magnetic north.
Key features include a digital I2C interface for easy communication with microcontrollers, low power consumption, and a small form factor, making it suitable for portable applications. The QMC5883L offers various output data rates and configurable settings to adapt to different use cases, such as robotics, drones, and smartphones.
In addition to magnetic field measurements, the sensor can provide tilt compensation when combined with accelerometers, enhancing its accuracy in determining the heading. The QMC5883L is widely used in projects requiring navigation and positioning capabilities due to its reliability and ease of integration.

Features

The QMC5883L is a three-axis digital magnetometer designed for compass applications. Key features include:
1. Three-Axis Magnetic Field Sensing: Measures magnetic fields along the X, Y, and Z axes.
2. Digital Output: Communicates via I2C or SPI interface, simplifying integration with microcontrollers.
3. Low Power Consumption: Suitable for battery-operated devices, with a low power sleep mode.
4. Wide Operating Voltage: Functions within a voltage range of 2.2V to 3.6V.
5. High Resolution: Offers a resolution of up to 0.1 µT, providing accurate measurements.
6. Calibration Capability: Can be calibrated to correct for hard and soft iron distortions.
7. Operating Temperature Range: Functions effectively from -40°C to +85°C, making it suitable for various environments.
8. Small Package Size: Compact design allows for easy integration into space-constrained applications.
These features make the QMC5883L ideal for mobile devices, drones, robotics, and navigational systems.

Package

The QMC5883L is typically available in a VQFN (Very Thin Quad Flat No-lead) package type, which allows for a compact design and efficient thermal performance. It is commonly found in a 3mm x 3mm footprint.

Pinout

The QMC5883L is a digital compass and 3-axis magnetometer with a total of 10 pins. Below is a brief description of the pin count and their functions:
1. VCC: Power supply (typically 2.2V to 3.6V).
2. GND: Ground connection.
3. SDA: Serial Data Line for I2C communication.
4. SCL: Serial Clock Line for I2C communication.
5. DRDY: Data Ready signal (optional, indicates when new data is available).
6. CS: Chip Select (for SPI mode, if applicable).
7. MOSI: Master Out Slave In (for SPI mode).
8. MISO: Master In Slave Out (for SPI mode).
9. SCLK: Serial Clock (for SPI mode).
10. N/C: Not Connected (reserved or unused).
The QMC5883L primarily communicates over I2C but can also support SPI. It is commonly used for navigation and orientation applications.

Manufacturer

The QMC5883L is manufactured by QST (QinHeng Electronics), a company based in China. QST specializes in designing and producing a variety of electronic components, including sensors, microcontrollers, and other integrated circuits. The QMC5883L is a digital compass sensor that measures magnetic fields in three dimensions and is commonly used in applications such as navigation, robotics, and mobile devices. QST’s focus is on providing cost-effective and reliable solutions for the electronics industry, catering to a wide range of markets.

Application

The QMC5883L is a digital compass and magnetic field sensor commonly used in various applications, including smartphones, tablets, drones, robotics, and navigation systems. It facilitates orientation detection, heading measurement, augmented reality, and geolocation services. Additionally, it is utilized in wearable devices for fitness tracking and in automotive systems for stability control and navigation assistance.

Equivalent

Equivalent products to the QMC5883L chip include the HMC5883L, MAG3110, and LSM303. These chips also serve as digital three-axis magnetometers and can be used in similar applications, such as navigation and orientation detection. Be sure to check specific features and compatibility for your project requirements.