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數位溫度感測器

LMT01-Q1

現行

具有脈衝串介面的車規、0.5°C 準確 2 針腳溫度感測器

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產品規格表

LMT01-Q1

現行
產品規格表 立即訂購

產品詳細資料

Local sensor accuracy (max) 0.5 Type Local Operating temperature range (°C) -40 to 150 Supply voltage (min) (V) 2 Interface type Pulse Count Supply voltage (max) (V) 5.5 Features NIST traceable Supply current (max) (µA) 39 Temp resolution (max) (bps) 13 Remote channels (#) 0 Rating Automotive
Local sensor accuracy (max) 0.5 Type Local Operating temperature range (°C) -40 to 150 Supply voltage (min) (V) 2 Interface type Pulse Count Supply voltage (max) (V) 5.5 Features NIST traceable Supply current (max) (µA) 39 Temp resolution (max) (bps) 13 Remote channels (#) 0 Rating Automotive
TO-92 (LPG) 2 6.08 mm² 4 x 1.52 WSON (DQX) 2 3.4 mm² 2 x 1.7
  • AEC-Q100 Qualified With the Following Results:
    • Temperature Grade 0 (E): –40°C to +150°C (2)
    • Temperature Grade 1 (Q): –40°C to +125°C
    • HBM ESD Component Classification Level 2
    • CDM ESD Component Classification Level C5
  • High Accuracy Over –40°C to 150°C Wide Temperature Range
    • –20°C to 90°C: ±0.5°C (Maximum)
    • 90°C to 120°C: ±0.625°C (Maximum)
    • –40°C to –20°C: ±0.625°C (Maximum)
  • Precision Digital Temperature Measurement Simplified in a 2-Pin Package
  • Pulse Count Current Loop Easily Read by Processor. Pulse Count Proportional to Temperature With 0.0625°C Resolution
  • Communication Frequency: 88 kHz
  • Conversion Current: 34 µA
  • Continuous Temperature Update Every 100 ms
  • Floating 2-V to 5.5-V (VP–VN) Supply Operation With Integrated EMI Immunity
  • Multiple 2-Pin Package Offerings: TO-92/LPG (3.1 mm × 4 mm × 1.5 mm) – ½ the Size of Traditional TO-92 and WSON With Wettable Flanks
  • AEC-Q100 Qualified With the Following Results:
    • Temperature Grade 0 (E): –40°C to +150°C (2)
    • Temperature Grade 1 (Q): –40°C to +125°C
    • HBM ESD Component Classification Level 2
    • CDM ESD Component Classification Level C5
  • High Accuracy Over –40°C to 150°C Wide Temperature Range
    • –20°C to 90°C: ±0.5°C (Maximum)
    • 90°C to 120°C: ±0.625°C (Maximum)
    • –40°C to –20°C: ±0.625°C (Maximum)
  • Precision Digital Temperature Measurement Simplified in a 2-Pin Package
  • Pulse Count Current Loop Easily Read by Processor. Pulse Count Proportional to Temperature With 0.0625°C Resolution
  • Communication Frequency: 88 kHz
  • Conversion Current: 34 µA
  • Continuous Temperature Update Every 100 ms
  • Floating 2-V to 5.5-V (VP–VN) Supply Operation With Integrated EMI Immunity
  • Multiple 2-Pin Package Offerings: TO-92/LPG (3.1 mm × 4 mm × 1.5 mm) – ½ the Size of Traditional TO-92 and WSON With Wettable Flanks

The LMT01-Q1 device is a high-accuracy, 2-pin temperature sensor with an easy-to-use pulse count current loop interface, which makes it suitable for onboard and offboard applications in automotive, industrial, and consumer markets. The LMT01-Q1 digital pulse count output and high accuracy over a wide temperature range allow pairing with any MCU without concern for integrated ADC quality or availability, while minimizing software overhead. TI’s LMT01-Q1 device achieves a maximum ±0.5°C accuracy with very fine resolution (0.0625°C) over a temperature range of –20°C to 90°C without system calibration or hardware and software compensation.

The LMT01-Q1’s pulse count interface is designed to directly interface with a GPIO or comparator input, thereby simplifying hardware implementation. Similarly, the LMT01-Q1’s integrated EMI suppression and simple 2-pin architecture makes it suitable for onboard and offboard temperature sensing in a noisy environment. The LMT01-Q1 device can be easily converted into a two-wire temperature probe with a wire length up to two meters.

The LMT01-Q1 device is a high-accuracy, 2-pin temperature sensor with an easy-to-use pulse count current loop interface, which makes it suitable for onboard and offboard applications in automotive, industrial, and consumer markets. The LMT01-Q1 digital pulse count output and high accuracy over a wide temperature range allow pairing with any MCU without concern for integrated ADC quality or availability, while minimizing software overhead. TI’s LMT01-Q1 device achieves a maximum ±0.5°C accuracy with very fine resolution (0.0625°C) over a temperature range of –20°C to 90°C without system calibration or hardware and software compensation.

The LMT01-Q1’s pulse count interface is designed to directly interface with a GPIO or comparator input, thereby simplifying hardware implementation. Similarly, the LMT01-Q1’s integrated EMI suppression and simple 2-pin architecture makes it suitable for onboard and offboard temperature sensing in a noisy environment. The LMT01-Q1 device can be easily converted into a two-wire temperature probe with a wire length up to two meters.

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類型 標題 日期
* Data sheet LMT01-Q1 0.5°C Accurate 2-Pin Digital Output Temperature Sensor With Pulse Count Interface datasheet (Rev. C) PDF | HTML 2018年 6月 1日
Technical article How to maximize powertrain efficiency and reliability with high-accuracy temperatu PDF | HTML 2021年 5月 10日
Technical article How to use temperature sensors to protect an automotive transmission PDF | HTML 2018年 5月 31日

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)。

參考設計

TIDA-01235 — 車用高溫感測器 (HTS) 參考設計

TIDA-01235 參考設計的主要重點是提供高密度、低成本和高準確度的熱電偶類比前端設計中涉及的保護策略可保護類比前端免受耦合暫態影響。此設計符合汽車廢氣溫度感測器的要求。
Design guide: PDF
電路圖: PDF
參考設計

TIDA-03050 — 車用 mA 至 kA 級電流分流感測器參考設計

此參考設計展示如何使用匯流排式分流電阻器，偵測來自 mA 至 kA 範圍的電流。電動車 (EV) 與混合動力電動車 (HEV) 對高容量電池的需求與日俱增，推動了對更大電流跨度與高準確度電流感測器的需求。由於系統中有大量雜訊，因此在三個數量級（mA 至 A、1A 至 100A 和 100A 至 1000A）內要獲得良好準確度相當具挑戰性。此設計使用 TI 的高解析度類比轉數位轉換器 (ADC) 和高準確度電流分流監控器，可解決此問題。
Design guide: PDF
電路圖: PDF
封裝 針腳 CAD 符號、佔位空間與 3D 模型
TO-92 (LPG) 2 Ultra Librarian
WSON (DQX) 2 Ultra Librarian
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訂購與品質

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  • 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
  • 認證摘要
  • 進行中持續性的可靠性監測
內含資訊：
  • 晶圓廠位置
  • 組裝地點

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