Automotive-Grade High-Precision, Low-Power I2C Digital Interface Temperature and Humidity Sensor
NSHT30-Q1 is a CMOS-MEMS-based automotive-grade relative humidity (RH) and temperature sensor. Integrated on a single chip, NSHT30-Q1 features a capacitive relative humidity sensor, CMOS temperature sensor, signal processor, and I2C digital communication interface, all housed in a 2.5mm*2.5mm*0.9mm DFN package. Its I2C interface, small form factor, and low-power characteristics allow NSHT30 to be widely integrated into various automotive applications. Additionally, NSHT30 offers two selectable I2C addresses, supports communication speeds up to 1MHz, operates over a wide voltage range, ensuring compatibility across different application environments. It also includes programmable interrupt thresholds for alerting and system wake-up without continuous monitoring by a microcontroller.
Product Features
• Relative Humidity (RH) Sensor:
- Operating Range: 0%RH to 100%RH
- Accuracy: ±3%RH (typical)
• Temperature Sensor:
- Operating Temperature Range: -40°C to 125°C
- Accuracy: ±0.3°C (typical)
• Digital Output with Relative Humidity and Temperature Compensation
• Wide Supply Voltage Range: 2.0V to 5.5V
• I2C Digital Interface, Communication Speed up to 1MHz
- Two Selectable Addresses
- Data Protection with CRC Checksum
• Low Power Consumption: Average Current 3.2μA
• 8-Pin DFN Package
• AEC-Q100 Grade 1
Application
• Automotive Intelligent Defogging System
• Vehicle Air Conditioning
• Automotive LiDAR
• Battery Management System
• Vehicle Cameras
• Air Flow Meter
Functional Block Diagram
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