程式碼範例或展示
DRV5055
- Ratiometric Linear Hall Effect Magnetic Sensor
- Operates From 3.3-V and 5-V Power Supplies
- Analog Output With VCC / 2 Quiescent Offset
- Magnetic Sensitivity Options (At VCC = 5 V):
- A1/Z1: 100 mV/mT, ±21-mT Range
- A2/Z2: 50 mV/mT, ±42-mT Range
- A3/Z3: 25 mV/mT, ±85-mT Range
- A4/Z4: 12.5 mV/mT, ±169-mT Range
- Fast 20-kHz Sensing Bandwidth
- Low-Noise Output With ±1-mA Drive
- Compensation For Magnet Temperature Drift for A1/A2/A3/A4 Versions and None for Z1/Z2/Z3/Z4 Versions
- Standard Industry Packages:
- Surface-Mount SOT-23
- Through-Hole TO-92
The DRV5055 is a linear Hall effect sensor that responds proportionally to magnetic flux density. The device can be used for accurate position sensing in a wide range of applications.
The device operates from 3.3-V or 5-V power supplies. When no magnetic field is present, the analog output drives half of VCC. The output changes linearly with the applied magnetic flux density, and four sensitivity options enable maximal output voltage swing based on the required sensing range. North and south magnetic poles produce unique voltages.
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 eliminate error from VCC tolerance when the external analog-to-digital converter (ADC) uses the same VCC for its 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.
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開發板
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使用指南: PDF
開發板
DRV5055-5057EVM — DRV5055、DRV5056 和 DRV5057 線性霍爾效應感測器評估模組
TheDRV505x is a linear Hall Effect magnetic-sense solution that provides ease of use and high performance. The DRV5055-5057EVM is intended to provide basic functional evaluation of this device family. The fixture layout is not intended to be a model for the target circuit, nor is it laid out for (...)
使用指南: PDF
開發板
DRV5055-ANGLE-EVM — DRV5055 角度評估模組
The DRV5055 is a linear Hall-effect magnetic sensor optimized for accurate position sensing. This EVM demonstrates the effectiveness of the DRV5055 in precision angle sensing applications that need SIN/COS encoding.
使用指南: PDF
開發板
DRV5055EVM — DRV5055 評估模組
TheDRV5055 is a linear Hall Effect magnetic-sense solution that provides ease of use and high performance. The DRV5055EVM is intended to provide basic functional evaluation of this device family. The fixture layout is not intended to be a model for the target circuit, nor is it laid out for (...)
使用指南: PDF
開發板
HALL-ADAPTER-EVM — 霍爾感測器匯接轉接器評估模組
Speed up your switch, latch and linear Hall sensor prototyping and testing with the HALL-ADAPTER-EVM, which provides a fast, easy and inexpensive way to interface with small ICs. You can connect any supported Hall sensor using the included Samtec terminal strips or wire them directly to existing (...)
程式碼範例或展示
SLIC026 — DRV5055-ANGLE-EVM Source Code
支援產品和硬體
產品
線性霍爾效應感測器
硬體開發
開發板
外掛程式
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支援產品和硬體
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數位溫度感測器
超音波感測器 AFE
Wi-Fi 產品
線性霍爾效應感測器
濕度感測器
精確 ADC
低耗電 2.4-GHz 產品
周圍光源感測器
硬體開發
軟體程式設計工具
SLIC027 — DRV5055-ANGLE-EVM MSP Flasher Batch File
支援產品和硬體
產品
線性霍爾效應感測器
硬體開發
開發板
計算工具
HALL-PROXIMITY-DESIGN — Magnetic Sensing Proximity Tool
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支援產品和硬體
產品
多軸線性與角度位置感測器
線性霍爾效應感測器
霍爾效應鎖存器和開關
硬體開發
開發板
軟體
計算工具
模擬工具
TI-MAGNETIC-SENSE-SIMULATOR — TI Magnetic sensing simulation tool
The TI-MAGNETIC-SENSE-SIMULATOR (TIMSS) webtool estimates magnetic flux density and TI magnetic sensor outputs for magnetic position sensing systems. The tool has device emulation and supports various magnet shapes, grades and motion types.
支援產品和硬體
產品
霍爾效應鎖存器和開關
線性霍爾效應感測器
多軸線性與角度位置感測器
硬體開發
軟體
計算工具
參考設計
TIDA-060040 — 具備用於精確馬達位置控制之霍爾效應感測器的絕對角度編碼器參考設計
TIDA-060040 參考設計展示了精密馬達控制應用 (例如機器手臂控制) 中典型的絕對角度編碼方法。角度編碼可利用各種磁感技術加以實現。這是透過檢測兩個自然異相 90° 的磁通量密度、B 場向量分量來完成的。磁鐵旋轉時，感測器輸入為正弦，因此能使用三角函數屬性進行計算。
然而由於系統的電氣和機械特性，通常需要修正最終結果以達到最高準確度。一般而言，在大多數精密馬達控制應用中，最終目標誤差要小於 0.1°。此設計探索了選擇磁鐵、決定放置與修正系統層級缺陷的過程，以實現高準確度的角度量測。
Design guide: PDF
| 封裝 | 引腳 | 下載 |
|---|---|---|
| SOT-23 (DBZ) | 3 | 檢視選項 |
| TO-92 (LPG) | 3 | 檢視選項 |
訂購與品質
內含資訊：
- RoHS
- REACH
- 產品標記
- 鉛塗層/球物料
- MSL 等級/回焊峰值
- MTBF/FIT 估算值
- 材料內容
- 資格摘要
- 進行中可靠性監測
內含資訊：
- 晶圓廠位置
- 組裝地點
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。