Datasheet

ManualsBrandsBourns ManualsHumidity SensorsHumidity Sensor 0 ... 100% RH Digital I²C

Features

n Low voltage operation

n Low current consumption

n Miniature SMD package size

n I

C communication protocol

n Established reliability

n Capacitive technology

Applications

Industrial:

n HVAC systems

n Process monitoring

n Packaging automation

**Medical Devices (low/medium risk):

n Diagnostic equipment

n Analysis equipment

BPS230 Series - 2 mm Humidity Sensor

Absolute Maximum Ratings

Supply Voltage (V

) ............................................................................................................................................................................. -0.3 to 7.0 V

Input Voltage (V

)

CE ............................................................................................................................................................................................-0.3 to V

+ 0.3 V

SCL/SDA ........................................................................................................................................................................................... -0.3 to 7.0 V

Output Voltage (VO) ....................................................................................................................................................................-0.3 to V

+ 0.3 V

Hi-level Output Current (IOH)

1 Terminal ................................................................................................................................................................................................... -5 mA

All Terminals Total ..................................................................................................................................................................................... -20 mA

Low-level Output Current (IOL)

Operating Temperature (T

) ............................................................................................................................. -40°C to +105°C (-40°F to +221°F)

Storage Temperature (T

stg

) .............................................................................................................................. -50°C to +125°C (-58°F to +257°F)

Recommended Operating Conditions

Power Supply Voltage (V

) ........................................................................................................................................................... 1.62 to 5.5 VDC

Capacitance between V

and V

) ............................................................................................................................................. 0.1 µF typical

Pull Up Resistor Value on SDA

(R1) .................................................................................................................................................... 5 kΩ typical

Pull Up Resistor Value on SCL

(R2) .................................................................................................................................................... 5 kΩ typical

Select the resistance value to meet AC characteristics.

Electrical Characteristics

Humidity Detection

Measurement Range .................................................................................................................................................................... 0 to 100 % RH

Resolution (10-bit)...................................................................................................................................................................... 0.1 % RH typical

Humidity Accuracy

@ 25 °C (20 to 80 % RH) ............................................................................................................................................................... ±3 % RH

@ 5 °C to 45 °C (0 to 100 % RH) ................................................................................................................................................... ±5 % RH

Hysteresis @ 5 °C to 45 °C (0 to 100 % RH) ............................................................................................................................. ± 1 % RH typical

Response Time

Reach (τ 63 % @ 25 °C, wind velocity @ 1.0 m/s) ...................................................................................................................... 8 seconds

Unless otherwise specied: V

= 1.62 to 5.5 V, V

= 0 V, T

= -20 °C to 100 °C

Temperature Detection

Measurement Range ................................................................................................................................ -30 °C to +100 °C (-22 °F to +212 °F)

Resolution (11 bit)

-10 °C to +70 °C .................................................................................................................................................................0.1 °C (32.18 °F)

All other temperatures ........................................................................................................................................................0.4 °C (32.72 °F)

Temperature Accuracy

@ 5 °C to 60 °C .............................................................................................................................................................± 0.4 °C (±32.72 °F)

@ -20 °C to 85 °C ...........................................................................................................................................................± 1.0 °C (±33.8 °F)

Reproducibility @ -30 °C to 100 °C ......................................................................................................................................± 0.1 °C (±32.18 °F)

Response Time

Reach (τ 63 % (dependent on surrounding heat conduction) .................................................................................................... 30 seconds

Unless otherwise specied: V

= 1.62 to 5.5 V, V

= 0 V, T

= -30 °C to 100 °C

Current Consumption

Sleep Current (CE=0, Sleep Mode) ........................................................................................................................10 nA typical, 400 nA maximum

Average Operating Current ..................................................................................................................................... 13 µA typical, 35 µA maximum

Unless otherwise specied: V

= 1.62 to 5.5 V, V

= 0 V, T

= 0 °C to 60 °C

* RoHS3 Directive 2015/863 Amendments of Annex II on March 31, 2015

** Bourns

products have not been designed for and are not intended for use in “lifesaving,” “life-critical” or “life-sustaining” applications nor any other applications

where failure or malfunction of the Bourns

product may result in personal injury or death. See Legal Disclaimer Notice on the last page of this document, and at

www.bourns.com/docs/legal/disclaimer.pdf.

Speciﬁcations are subject to change without notice.

Users should verify actual device performance in their speciﬁc applications.

The products described herein and this document are subject to speciﬁc legal disclaimers as set forth on the last page of this document, and at www.bourns.com/docs/legal/disclaimer.pdf.

WARNING Cancer and Reproductive Harm - www.P65Warnings.ca.gov

*RoHS COMPLIANT

*RoHS & AEC COMPLIANT

*RoHS COMPLIANT

AEC APPROVED (Select Models)

LEAD FREE

*RoHS COMPLIANT

VERSIONS

AVAILABLE

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VERSIONS ARE

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Summary of content (10 pages)

PAGE 1
PL IA N T Features Applications M n Low voltage operation Industrial: n HVAC systems n Process monitoring n Packaging automation **Medical Devices (low/medium risk): n Diagnostic equipment n Analysis equipment *R oH S CO n Low current consumption n Miniature SMD package size n I2C communication protocol n Established reliability LE AD FR EE n Capacitive technology BPS230 Series - 2 mm Humidity Sensor Absolute Maximum Ratings Recommended Operating Conditions *R oH S & AE C CO M PL IA N
PAGE 2
75 30) 25 29) BPS230 - 2 mm Humidity Sensor 3312 - 2Series mm SMD Trimming Potentiometer Input/Output Terminal Characteristics High Level Input Voltage 1 (VIH1) [Target Terminal: SCL, SDA]............................................................................0.7 Vcc minimum, Vcc maximum High Level Input Voltage 2 (VIH2) [Target Terminal: CE]........................................................................................0.
PAGE 3
BPS230 Series - 10 2 mm Sensor BPS130 mmHumidity Analog High Pressure Sensor Basic Circuit Schematic Vcc 1. CE 6. SCL 2. Vss 5. SDA 3. Vcc 4. Vpp Cp.......... 0.1 µF R1 ......... 5k Ω R2 ......... 5k Ω R2 R1 NOTE: R1 and R2 are reference values. Resistor values should be selected to meet the AC characteristics. Cp MAIN SYSTEM Operation Mode Operation Mode Terminal Setup Operation State of Each Functional Block CE Vpp Power Supply Oscillation Temp.
PAGE 4
BPS230 - 2 mm Humidity Sensor 3312 - 2Series mm SMD Trimming Potentiometer Control Register Map (Continued) Address 01h Bit Bit Name Function Value D1 - Reserved - D0 D7-1 03h 04h D0 MAN ERR Manual Detection Error Flag D7-0 HC[7:0] D7-2 - Reserved HC[9:8] Humidity Detection Result D7-0 TC[7:0] Temperature Detection Result D7-3 - Reserved TC[10:8] Temperature Detection Result K[7:0] Capacity Detection Result D1-0 07h D2-0 0Ah Reserved Humidity Detection Result 05h 06h
PAGE 5
BPS230 Series - 10 2 mm Sensor BPS130 mmHumidity Analog High Pressure Sensor Control Register Map (Continued) Address Bit 0Bh Bit Name Function D7-0 K[15:8] Capacity Detection Result D7-5 - Reserved - - 0 Outside Capacity Cutting D4 SCR_ON_R Standard Capacity Connection Control 1 Outside Capacity Connection D3-0 SCI_ ON_R[3:0] Internal Capacity Connection Control D7-1 - Reserved 0 No Error ERR Manual Detection Error Flag Nothing is Done 1 Error Occurred Error Flag Reset (Be
PAGE 6
BPS230 - 2 mm Humidity Sensor 3312 - 2Series mm SMD Trimming Potentiometer Capacitance/Temperature Detection Sequence How To Order BPS230 - D 3P0 - S 10 E Model Series Humidity-Temperature Sensor Output Type D = Digital Accuracy (% RH) 3P0 = ±3.0 Moisture Sensitivity S = Standard Resolution 10 = 10-bit Packaging Designator E = 3000 pcs. per 7-inch Reel Specifications are subject to change without notice. Users should verify actual device performance in their specific applications.
PAGE 7
BPS230 Series - 10 2 mm Sensor BPS130 mmHumidity Analog High Pressure Sensor Output Type Waveform and Data Read/Write Procedure I2C-BUS Data Read-out Procedure 1 I2C master device releases START condition. 2 I2C master device transmits slave address and WRITE mode selection. 3 I2C master device transmits register address of this IC. 4 I2C master device releases repeated START condition. (Release method is same as START condition.
PAGE 8
2 I2C master device transmits slave address and WRITE mode selection. 3 I2C master device transmits register address of this IC. 4 I2C master device releases repeated START condition. (Release method is same as START condition.) 5 I2C master device again transmits slave address and READ mode selection. (Read mode can be selected by transmitting “1” in 8th bit.) 6 I2C master device reads-out data from register address designated at 3 .
PAGE 9
BPS230 - 2 mm Humidity Sensor 3312 - 2Series mm SMD Trimming Potentiometer Packaging Specification 3000 pieces per 7-inch reel. Meets specifications of EIA-481-1 or EIA-481-2. 2.0 ± 0.5 (0.079 ± 0.020) EQUAL SPACED 3 PLCS. 13.0 DIA. (0.512) 11.4 ± 1.0 (0.449 ± 0.039) 21.0 DIA. (0.827) 60.0 (2.362) DIA. 13.0 (0.512) DIMENSIONS: 9.0 (0.354) 180 DIA. (7.087) 4.0 (0.157) 2.0 ± 0.5 (0.079 ± 0.020) 3.5 (0.138) MM (INCHES) 1.50 DIA. (0.059) 1.75 (0.069) COVER TAPE 8.0 ± 0.2 (0.315 ± 0.008) 2.3 (0.
PAGE 10
Legal Disclaimer Notice This legal disclaimer applies to purchasers and users of Bourns® products manufactured by or on behalf of Bourns, Inc. and its affiliates (collectively, “Bourns”). Unless otherwise expressly indicated in writing, Bourns® products and data sheets relating thereto are subject to change without notice. Users should check for and obtain the latest relevant information and verify that such information is current and complete before placing orders for Bourns® products.