DRV5057
- PWM-output linear Hall effect magnetic sensor
- Operates from 3.3-V and 5-V power supplies
- 2-kHz clock output with 50% quiescent duty cycle
- Magnetic sensitivity options (at VCC = 5 V):
- A1/Z1: 2%D/mT, ±21-mT range
- A2/Z2: 1%D/mT, ±42-mT range
- A3/Z3: 0.5%D/mT, ±84-mT range
- A4/Z4: 0.25%D/mT, ±168-mT range
- Open-drain output with 20-mA sink capability
- Compensation for magnet temperature drift for A1/A2/A3/A4 Versions and None for Z1/Z2/Z3/Z4 Versions
- Industry standard package:
- Surface-mount SOT-23
- Through-hole TO-92
The DRV5057 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 output produces a clock with a 50% duty cycle. The output duty cycle changes linearly with the applied magnetic flux density, and four sensitivity options maximize the output dynamic range based on the required sensing range. North and south magnetic poles produce unique outputs. The typical pulse-width modulation (PWM) carrier frequency is 2 kHz.
Magnetic flux perpendicular to the top of the package is sensed, and the two package options provide different sensing directions.
Because the PWM signal is based on edge-to-edge timing, signal integrity is maintained in the presence of voltage noise or ground potential mismatch. This signal is suitable for distance transmission in noisy environments, and the always-present clock allows the system controller to confirm there are good interconnects. 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 | DRV5057 Linear Hall Effect Sensor With PWM Output datasheet (Rev. A) | PDF | HTML | 2020/8/26 | ||
| 應用說明 | Linear Hall-Effect Sensor Array Design (Rev. B) | PDF | HTML | 2024/5/24 | |||
| Application brief | Absolute Angle Measurements for Rotational Motion Using Hall-Effect Sensors (Rev. B) | PDF | HTML | 2024/5/24 | |||
| Application brief | Tracking Slide-By Displacement With Linear Hall-Effect Sensors (Rev. B) | PDF | HTML | 2024/5/21 | |||
| Product overview | Introduction to Hall-Effect Sensors (Rev. B) | PDF | HTML | 2024/4/25 | |||
| 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 | |||
| 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
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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
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。
| 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。