DRV5056
- Unipolar linear hall effect magnetic sensor
- Operates from 3.3V and 5V power supplies
- Analog output with 0.6V quiescent offset:
- Maximizes voltage swing for high accuracy
- Magnetic
sensitivity options (at VCC = 5V):
- A1/Z1: 200mV/mT, 20mT range
- A2/Z2: 100mV/mT, 39mT range
- A3/Z3: 50mV/mT, 79mT range
- A4/Z4: 25mV/mT, 158mT range
- A6: 100mV/mT, 39mT range
- A8: 66.6mV/mT, 64mT range
- Fast 20kHz sensing bandwidth
- Low-noise output with ±1mA drive
- Compensation for magnet temperature drift for A1/A2/A3/A4/A6/A8 versions and None for the Z1/Z2/Z3/Z4 versions
- Standard
industry packages:
- Surface-mount SOT-23
- Through-hole TO-92
The DRV5056 is a linear Hall-effect sensor that responds proportionally to flux density of a magnetic south pole. The device can be used for accurate position sensing in a wide range of applications.
Featuring a unipolar magnetic response, the analog output drives 0.6V when no magnetic field is present, and increases when a south magnetic pole is applied. This response maximizes the output dynamic range in applications that sense one magnetic pole. Multiple sensitivity options further maximize the output swing based on the required sensing range.
The device operates from 3.3V or 5V power supplies. Magnetic flux perpendicular to the top of the package is sensed, and the two package options provide different sensing directions.
The device uses a ratiometric architecture that can minimize error from VCC tolerance when the external analog-to-digital converter (ADC) uses the same VCC for the reference. Additionally, the device features magnet temperature compensation to counteract how magnets drift for linear performance across a wide –40°C to +125°C temperature range. Device options for no temperature compensation of magnet drift are also available.
技術文件
| 重要文件 | 類型 | 標題 | 格式選項 | 下載最新的英文版本 | 日期 | |
|---|---|---|---|---|---|---|
| * | 資料表 | DRV5056 Unipolar Ratiometric Linear Hall-Effect Sensor datasheet (Rev. C) | PDF | HTML | 2025/12/11 | ||
| Application brief | Head-on Linear Displacement Sensing Using Hall-Effect Sensors (Rev. A) | PDF | HTML | 2024/5/22 | |||
| Application brief | Introduction to TI Magnetic Sense Simulator Features | PDF | HTML | 2023/12/5 | |||
| 使用指南 | Texas Instruments' Magnetic Sense Simulator User's Guide | PDF | HTML | 2023/12/4 | |||
| 類比設計期刊 | Using hall-effect sensors for contactless linear movement sensing | PDF | HTML | 2022/3/31 | |||
| Application brief | Hall-Effect Sensors in Vacuum Robots | PDF | HTML | 2022/3/22 | |||
| 應用說明 | Linear Hall-Effect Sensor Angle Measurement Theory, Implementation... (Rev. B) | PDF | HTML | 2021/11/5 | |||
| 技術文章 | Intro to linear Hall effect sensors: Achieve contactless accurate position sensing | PDF | HTML | 2018/9/6 | |||
| Application brief | Overview Using Linear Hall Effect Sensors to Measure (Rev. A) | 2018/8/22 |
設計與開發
如需其他條款或必要資源，請按一下下方的任何標題以檢視詳細頁面 (如有)。
DRV5055-5057EVM — DRV5055、DRV5056 和 DRV5057 線性霍爾效應感測器評估模組
HALL-ADAPTER-EVM — 霍爾感測器匯接轉接器評估模組
HALL-TRIGGER-EVM — 適用於具有外部現場保護之非接觸式、霍爾效應變動速度觸發器的評估模組
TI-MAGNETIC-SENSE-SIMULATOR — TI Magnetic sensing simulation tool
HALL-PROXIMITY-DESIGN — Magnetic Sensing Proximity Tool
HALL-PROXIMITY-DESIGN 是一款軟體工具，可幫助磁鐵與霍爾效應感測器系統的快速重複設計。
SBAC231 — DRV5056 Distance Measurement Tool
TIDA-060032 — 具有外部現場保護的非接觸式、霍爾效應變動速度觸發參考設計
此參考設計使用霍爾效應感測器來實作觸發器，而該觸發器是根據按下觸發器的程度來輸出不同電壓。這些類型的觸發器對於無線供電工具或其他任何使用觸發位移資訊的終端設備都很有用。
與傳統的機械式觸發器相比，此設計採用非接觸式的方法減少磨損，因從而延長產品使用壽命。低功耗霍爾效應開關與負載開關搭配使用，因此當未按下觸發器時，可讓系統維持低功耗待機模式。此外，當存在強大的外部磁場時，選擇性使用停用電壓輸出的磁場保護功能。
| 封裝 | 針腳 | CAD 符號、佔位空間與 3D 模型 |
|---|---|---|
| TO-92 (LPG) | 3 | Ultra Librarian |
| SOT-23 (DBZ) | 3 | Ultra Librarian |
訂購與品質
建議產品可能具有與此 TI 產品相關的參數、評估模組或參考設計。