HS300x Datasheet

© 2021 Renesas Electronics Corporation

2

April 20, 2021

Contents

1. Pin Assignments...........................................................................................................................................................................................4

2. Pin Descriptions............................................................................................................................................................................................4

3. Absolute Maximum Ratings..........................................................................................................................................................................5

4. Recommended Operating Conditions ..........................................................................................................................................................5

5. Humidity and Temperature Sensor Performance .........................................................................................................................................6

5.1 Humidity Sensor Specification.............................................................................................................................................................6

5.2 Temperature Sensor Specification ......................................................................................................................................................7

5.3 Sleep Current ......................................................................................................................................................................................7

5.4 Humidity Sensor Accuracy Graphs......................................................................................................................................................8

5.5 Temperature Sensor Accuracy Graphs...............................................................................................................................................9

6. Sensor Interface .........................................................................................................................................................................................10

6.1 I2C Features and Timing...................................................................................................................................................................10

6.2 Sensor Slave Address.......................................................................................................................................................................10

6.3 I2C Communication...........................................................................................................................................................................11

6.4 Measurement Mode...........................................................................................................................................................................11

6.5 Measurement Requests (MR) ...........................................................................................................................................................11

6.6 Data Fetch (DF).................................................................................................................................................................................12

6.7 Status Bits .........................................................................................................................................................................................13

6.8 Accessing the Non-volatile Memory ..................................................................................................................................................13

6.9 Setting the Measurement Resolution ................................................................................................................................................14

6.10 Reading the HS300x ID Number.......................................................................................................................................................14

7. Calculating Humidity and Temperature Output...........................................................................................................................................15

8. Application Circuit.......................................................................................................................................................................................15

9. Package Outline Drawings .........................................................................................................................................................................16

10. Soldering Information .................................................................................................................................................................................16

11. PCB Layout Guide......................................................................................................................................................................................17

12. Storage and Handling.................................................................................................................................................................................17

13. Quality and Reliability.................................................................................................................................................................................17

14. Ordering Information...................................................................................................................................................................................18

15. Revision History..........................................................................................................................................................................................18

List of Figures

Figure 1. Pin Assignments for 3mm × 2.41mm 6-LGA Package (Top View) .....................................................................................................4

Figure 2. Sleep Current Variation over Temperature, VDD at 3.3V......................................................................................................................7

Figure 3. HS3001 RH Accuracy Tolerance at 25°C ...........................................................................................................................................8

Figure 4. HS3001 RH Accuracy over Temperature............................................................................................................................................8

Figure 5. HS3002 RH Accuracy Tolerance at 25°C ...........................................................................................................................................8