TMAG6181-Q1
- AEC-Q100 qualified for automotive applications:
- Temperature grade 0: –40°C to 150°C
-
Functional Safety-Compliant
- Developed for functional safety applications
- Documentation to aid ISO 26262 system design up to ASIL B
- High-accuracy, low angle error AMR sensor:
- 0.1° (typical)
- 0.4° (maximum across temperature at 3.3V)
- 0.56° (maximum across temperature at 5.5V)
- High-speed AMR angle sensor:
- Ultra low latency < 2µs supports up to 100krpm
- Angle range: 180°
- Low angle drift eliminates the need for calibration across temperatures
- Wide operating magnetic field range: 20mT to 1T
- Sine and cosine differential ratiometric analog outputs
- Supports differential-ended or single-ended applications
- Fast start-up time: < 40µs
- Integrated Turns Counter provides
rotation turns count using PWM output:
- Low-power mode with turns counter enabled of 50µA
- Intelligent rotation tracking enables to track up to 8krpm in low-power mode
- Dedicated pin to enter sleep mode: < 5µA
- Supply voltage range: 2.7V to 5.5V
The TMAG6181-Q1 is a high-precision angle sensor based on Anisotropic Magneto Resistive (AMR) technology. The device features integrated signal conditioning amplifiers and provides differential sine and cosine analog outputs related to the direction of the applied in-plane magnetic field. This device also features two independent Hall sensors at X and Y axes that are used to keep track of rotations.
The TMAG6181-Q1 features a wide operating magnetic field (20mT – 1T) that enables flexible mechanical placements as well as low latency (< 2µs) outputs for high-speed applications like rotor position sensing. The fast start-up time (<40µs) enables low power applications by using a sleep pin that enables the device to enter two low power modes: sleep mode and a low power turns counting mode. An integrated turns counter keeps track of the number of rotations, and the turns counter value is transmitted using PWM on the TURNS pin.
The TMAG6181-Q1 offers extensive diagnostics and is designed for Functional Safety applications. The device performs consistently across a wide ambient temperature range of –40°C to 150°C with minimal thermal drift and lifetime errors.
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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 | TMAG6181-Q1 High-Precision Analog AMR Angle Sensor With Integrated Turns Counter datasheet (Rev. B) | PDF | HTML | 2024/8/12 | ||
| 白皮書 | 位置感測器如何在汽車與工業應用中實現創新 (Rev. A) | PDF | HTML | Download English Version (Rev.A) | PDF | HTML | 2024/3/22 | |
| 技術文章 | 利用 AMR 角度感測器設計位置感測系統 | PDF | HTML | Download English Version | PDF | HTML | 2024/3/13 | |
| 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 | |||
| Application brief | Benefit of Low-Power Turns Count in AMR Sensing | PDF | HTML | 2023/11/29 | |||
| 白皮書 | Auto Functional Safety and How TI is Helping Customers W/ High-Precision Sensors | PDF | HTML | 2023/8/28 |
設計與開發
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TMAG6180-6181EVM — 具有差動正弦和餘弦類比輸出的 TMAG6180 和 TMAG6181 評估模組
TMAG6180-6181EVM 評估模組 (EVM) 是一款方便的平台，可評估 AMR 感測器 TMAG6180 和 TMAG6181 的效能。這些裝置提供差動正弦和餘弦類比輸出，可用於高速角度量測。TMAG6180 裝置提供正交輸出，TMAG6181 裝置則配備有 PWM 輸出的整合式旋轉計數器。
TI-MAGNETIC-SENSE-SIMULATOR — TI Magnetic sensing simulation tool
| 封裝 | 針腳 | CAD 符號、佔位空間與 3D 模型 |
|---|---|---|
| VSSOP (DGK) | 8 | 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。