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HDC3020-Q1

現行

車用 0.5% RH 數位濕度感測器、0.19% 長期偏移、400 nA、4 秒回應時間

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HDC3020-Q1

現行
產品規格表 立即訂購

產品詳細資料

Relative humidity accuracy (typ) (%RH) 0.5 Temperature accuracy (typ) (°C) 0.1 Relative humidity operating range (typ) (%RH) 0 to 100 Supply voltage (min) (V) 1.62 Supply voltage (max) (V) 5.5 Average supply current (typ) (A) 0.0000004 Operating temperature range (°C) -40 to 125 Interface type I2C Rating Automotive
Relative humidity accuracy (typ) (%RH) 0.5 Temperature accuracy (typ) (°C) 0.1 Relative humidity operating range (typ) (%RH) 0 to 100 Supply voltage (min) (V) 1.62 Supply voltage (max) (V) 5.5 Average supply current (typ) (A) 0.0000004 Operating temperature range (°C) -40 to 125 Interface type I2C Rating Automotive
WSON (DEF) 8 6.25 mm² 2.5 x 2.5
  • AEC-Q100 qualified for automotive applications
    • Temperature Grade 1: –40°C to 125°C
    • Device HBM ESD Classification Level 2
    • Device CDM ESD Classification Level C4
  • Functional Safety-Capable
  • Relative humidity (RH) sensor:
    • Operating range: 0% to 100%
    • Accuracy: ±0.5% typical
    • Offset Error Correction: reduces offset to return device to within accuracy specification
    • Long-term drift: 0.19%RH/yr
    • Condensation protection with integrated heater
  • Temperature sensor:
    • Operating range: –40°C to 125°C
    • Accuracy: ±0.1°C typical
  • NIST traceability: relative humidity & temperature
  • Low power: average current 0.4 µA
  • I 2C interface compatibility up to 1-MHz speeds
    • Four selectable I 2C addresses
    • Data protection through CRC checksum
  • Supply voltage: 1.62 V to 5.50 V
  • Available auto measurement mode
  • Programmable interrupts
  • Programmable RH and Temp measurement offset
  • Factory-installed polyimide tape assembly cover
  • Factory-installed IP67 rated environmental cover
  • WSON package with wettable flanks options
  • AEC-Q100 qualified for automotive applications
    • Temperature Grade 1: –40°C to 125°C
    • Device HBM ESD Classification Level 2
    • Device CDM ESD Classification Level C4
  • Functional Safety-Capable
  • Relative humidity (RH) sensor:
    • Operating range: 0% to 100%
    • Accuracy: ±0.5% typical
    • Offset Error Correction: reduces offset to return device to within accuracy specification
    • Long-term drift: 0.19%RH/yr
    • Condensation protection with integrated heater
  • Temperature sensor:
    • Operating range: –40°C to 125°C
    • Accuracy: ±0.1°C typical
  • NIST traceability: relative humidity & temperature
  • Low power: average current 0.4 µA
  • I 2C interface compatibility up to 1-MHz speeds
    • Four selectable I 2C addresses
    • Data protection through CRC checksum
  • Supply voltage: 1.62 V to 5.50 V
  • Available auto measurement mode
  • Programmable interrupts
  • Programmable RH and Temp measurement offset
  • Factory-installed polyimide tape assembly cover
  • Factory-installed IP67 rated environmental cover
  • WSON package with wettable flanks options

The HDC302x-Q1 is an integrated capacitive based relative humidity (RH) and temperature sensor. The device provides high accuracy measurements over a wide supply range (1.62 V – 5.5 V), along with ultra-low power consumption in a compact 2.5-mm × 2.5-mm package. Both the temperature and humidity sensors are 100% tested and trimmed on a production setup that is NIST traceable and verified with equipment that is calibrated to ISO/IEC 17025 standards.

Offset Error Correction reduces RH sensor offset due to aging, exposure to extreme operating conditions, and contaminants to return device to within accuracy specifications. For battery IoT applications, auto measurement mode and ALERT feature enable low system power by maximizing MCU sleep time. There are four different I 2C addresses that support speeds up to 1 MHz. A heating element is available to dissipate condensation and moisture.

The HDC3020 -Q1 is an open cavity package without protective cover. Two device variants have a cover option to protect the open cavity RH sensor: HDC3021 -Q1 and HDC3022 -Q1. HDC3021 -Q1 has removable protective tape to allow conformal coatings and PCB wash. HDC3022 -Q1 has a permanent IP67 filter membrane to protect against dust, water and PCB wash. All three package variants have wettable flanks option.

The HDC302x-Q1 is an integrated capacitive based relative humidity (RH) and temperature sensor. The device provides high accuracy measurements over a wide supply range (1.62 V – 5.5 V), along with ultra-low power consumption in a compact 2.5-mm × 2.5-mm package. Both the temperature and humidity sensors are 100% tested and trimmed on a production setup that is NIST traceable and verified with equipment that is calibrated to ISO/IEC 17025 standards.

Offset Error Correction reduces RH sensor offset due to aging, exposure to extreme operating conditions, and contaminants to return device to within accuracy specifications. For battery IoT applications, auto measurement mode and ALERT feature enable low system power by maximizing MCU sleep time. There are four different I 2C addresses that support speeds up to 1 MHz. A heating element is available to dissipate condensation and moisture.

The HDC3020 -Q1 is an open cavity package without protective cover. Two device variants have a cover option to protect the open cavity RH sensor: HDC3021 -Q1 and HDC3022 -Q1. HDC3021 -Q1 has removable protective tape to allow conformal coatings and PCB wash. HDC3022 -Q1 has a permanent IP67 filter membrane to protect against dust, water and PCB wash. All three package variants have wettable flanks option.
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類型 標題 日期
* Data sheet HDC302x-Q1 Automotive 0.5%RH Digital Relative Humidity Sensor, 0.19%RH/yr Long Term Drift, 4s Response, Offset Error Correction, 0.1°C Temperature Sensor datasheet (Rev. C) PDF | HTML 2023年 3月 24日
* User guide HDC302x Silicon Users Guide (Rev. C) PDF | HTML 2023年 7月 13日
Application brief How TI Humidity Sensors Remove Device Condensation Using On-Chip Heaters PDF | HTML 2023年 2月 10日
Application brief Using RH to Derive Vapor Pressure, Dew Point, Absolute Humidity, and Enthalpy PDF | HTML 2023年 2月 9日
Functional safety information HDC3020-Q1 Functional Safety FIT Rate, FMD and Pin FMA PDF | HTML 2022年 8月 16日
Technical article Achieving accurate temperature and humidity sensing in ADAS sensor modules PDF | HTML 2022年 1月 28日
Application brief Improving System Reliability in Auto and Ind. Cameras w/ AccurateTemp. Sensing PDF | HTML 2022年 1月 3日
White paper 85°C/85% RH Accelerated Life Test Impact on Humidity Sensors (Rev. A) PDF | HTML 2021年 9月 7日
Application brief Leveraging Relative Humidity Sensor Enhanced Features for Ultra-Low-Power System (Rev. A) PDF | HTML 2021年 9月 1日
Application brief How the HDC3020 Humidity Sensor Family Achieves The Industry's Lowest Drift (Rev. A) PDF | HTML 2021年 8月 31日
Technical article Why long-term consistent performance matters for relative humidity sensors PDF | HTML 2021年 6月 21日
Technical article Interface to sensors in seconds with ASC Studio PDF | HTML 2020年 11月 12日

設計與開發

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開發板

HDC3020EVM — 適用於溫度和濕度感測器的 HDC3020 耗評估模組

設計人員可利用 HDC3020EVM 評估模組 (EVM) 評估 HDC3020 相對濕度及溫度感測器的操作和性能。此 EVM 託管 MSP430F5528 微控制器 (µC) 以及 HDC3020。µC 用於控制 HDC3020 並透過 USB 埠與主機 PC 通訊。如有必要 EVM 的設計可分成兩個部分。穿孔允許使用者中斷 HDC3020 的連接，以靈活地進行評估。

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