2SMPB-01-01
Contents
1. 0 8 msec Pulse Width of Asynchronous Reset trar 100 100 usec Power On Reset 2 4 V VDD Tpor re l Note 1 When the power is turned on please activate power on reset For more information please refer to the section of Power on Reset p 8 Note 2 About detailed I2C bus information please refer to the 12C bus specification and user manual presented by NXP E Characteristics by Power Mode Waiting Time msec 2 Average Current 1 sample s yA 2 rms Noise Pa 2 Standard mode 9 5 3 High accuracy mode 17 9 2 1 Please see I2C_SREQ Sensor Request Register p 13 for setting up power mode 2 Please see Execute timing chart p 6 for meaning of waiting time These characteristics are guaranteed by design a Q mM A T N Q k pa mM A T N 2SM PB 01 01 Absolute Pressure Sensor Connection E Block Diagram VDDIO VDD GND Logic Block DIGITAL FILTER PTAT O O CLK Gen gt 12C a 100 kHz E Typical Connection l2C Interface VDDIO VDD Description OTP write enable Power Digital I O Power Analog out for test NI or A RST Asynchronous reset CL S I2C clock SDA I2C data GND Ground These pins are for test purpose only Please leave open Non connect while operating CO N 2SM PB 01 01 Absolute Pressure Sensor Dimensions Unit2. W R Word Address Device Address W R Read Data L side 8 bits gt EOh 70h WR gt 03h gt Eth 70h RD gt 35h RD data Each 8 bits data will be output as MSB first 4 Register Read Access Protocol Application OTP Registers 20h 34h Example Read calibration data 16 bits from COE_PR2 address 22h SDA mee l _ ia 7 eL BLA LELLO 7U BLA fof fol START SACK SAC io as a am ne Device Address W R se Word Address too gt EOh 70h WR gt 22h Address Re START SACK ACK MNACK SIOP T l l m N 7 SCLK l ng iP A E BUAL ELE LO M Pe BL RUSLA AUBL L PL EU L UE I Device Address W R Sa Read Data H 8 bits Sa Read Data L 8 bits hawt tos gt E1h 70h RD gt 12h Read Data gt 34h Read Data Set VBGACT bit L of 12C_AADJ before this operation Each 8 bits data will be output as MSB first E I2C Register Bits R W Default Contents 8 bits R 00h Data Register MSB 24 17 bits 8 bits 00h Data Resister LSB 9 i I2C_SREQ 03h 8 bits Sense Request 8 bits 65h OTP Read rae COE_PR2 22h 16 bits Pressure Linearity Calib 2 1st Coefficient COE_PR3 24h 16 bits Pressure Linearity Calib 3 offset F mM A T N 16 bits Temp Calibration 2 1st Coefficient COE_TEMP3 28h 16 bits Temp Calibration 3 offset 16 bits Temp Calibration 2 2 1st Coefficient 2 COE_PTAT2 2Eh 16 bits PTAT Linearity Calib 2 1st Coefficie
3. Charged materials e g a workbench and a floor and workers should provide measures against static electricity including ground connection 6 Overpowering pins may deform terminals and detract solder abilities of sensor terminals The product shall not be dropped and han dled roughly 7 The product shall not be used under dusty or damp condition Please connect the sensor terminals according to the connection diagram CO 9 The product shall not be used under high frequency vibration including ultrasonic wave 10 This product uses the elastic adhesive for bonding the lid so do not add excessive stress to the lid 11 If you use other conditions described in this document please check yourself in advance Environmental conditions for transport and storage 1 The product shall not be kept with corrosive gases e g organic solvents gases sulfur dioxide and hydrogen sulfide gases 2 The product are not water proof The product shall be kept dry during storage 3 By condition of the place and storage period there are cases that strength of outer boxes may be degraded Please use the product in order 4 For this product please keep away from direct sunlight or ultraviolet rays 5 The product shall be kept in appropriate conditions of temperature and humidity 6 Sometimes the color of terminals of the product may change depending on the conditions It is not covered under warranty 7 The product s
4. Value e Read calibration data which are contained in internal NVM through I2C These coefficients are used at compensation calculation below step 4 or step 5 e Read temperature data which are output by absolute pressure sensor through 12C This temperature data is used at step 4 using coefficients of step 1 for compensation e Read pressure data which are output by absolute pressure sensor through I2C This pressure data is used at step 5 using coefficients of step 1 for compensation e Using coefficients of step 1 and temperature data of step 2 the operator corrects temperature data by using following temperature compensation formula m A U N Tr Dt ca x ba0 Tr Calculation result 1 256 C Dt 2SMPB 01 digital output of temperature internal digit ba0 2SMPB 01 calibration coefficient 16 bits read value of COE_PTAT2 Reg ca 2SMPB 01 calibration coefficient 24 bits read value of COE_PTAT3 Reg and COE_CEX Reg 7 7 mM A T N 2SM PB 01 01 Absolute Pressure Sensor e Using coefficients of step 1 and pressure data of step 3 the operator corrects pressure data by using following pressure compensa tion formula PI Dp cp x bp0 PI Calculation result This result is a relative value from 90 kPa Pa Dp 2SMPB 01 digital output of pressure digit bp0 2SMPB 01 calibration coefficient 16 bits read value of COE_PR2 Reg cp 2SMPB 01 c
5. mm E Package Package Type QFN Quad Flat No lead package 8 pin Package Size 3 8 mm x 3 8 mm x 1 0 mm max E Outline Dimension Top view Bottom view e 3 80 0 10 gt 3 60 0 10 gt 2 90 0 10 1 pin 1 pin Front view 0 92 0 08 0 72 0 08 Terminal surface material Gold Plate 0 20 0 05 E Mounting PAD Dimensions Top View recommended Q 7 mM A T N PCB Land Pad E Marking structure P B O 1 Type Fixed X X X X E Sequence number from 0 to 9 from A to Z without O Q 1 Week of manufacture from 01 to 5 Year of manufacture One digit at the end of the year 2SM PB 01 01 Absolute Pressure Sensor Operations E Outline of Sensor Operation This page describes the typical operation after power on 1 Wait until OTP initialization waiting for OTP automatically initialize finish 2 Start up ADC by setting up I2C_SETUP register Write 02h in I2C_SETUP register 3 Access COE_ registers and get calibration parameters Write 25h in I2C_AADJ register to enable OTP read operation Access COE_ registers and get calibration data After completion of read operation write 65h to 12C_AADzJ register Set up I2C_SREQ register to enable temperature measurement Get temperature data from I2C_TXDO0 register after waiting time Set up I2C_SREQ register to enable pressure measurement Get pressure data from
6. sec me n When the power is turned on the power on reset should be activated If the power on reset is not working properly it can be returned to normal operation by executing reset using the asynchronous reset pin hardware reset or software reset Example of reset using the asynchronous reset pin Note Please fix the No 5 pin into Low during normal operation I2C Interface VDDIO VDD 100 usec Reset Pulse L 0 Examples of the reset pulse reset at the potential of High Pulse width 100 usec or more Q mM A T N 7 mM A T N 2SMPB 01 01 Absolute Pressure Sensor Example of the software reset Write address No Register Operation 1 0x05 Read 2 0x03 Write 0x10 12C Order MCU Operation search slave address of module by I2C_FINDO Note Refer to the next section of sequence for searching the slave address Write 0x10 to slave address Y resister address 0x03 Find the slave address of the module using the 12C_FINDO register Note For details see sequence for searching the slave ad dress in next section Explanation Run for the searched slave address below The searched slave address is shown as Y Single operation Setting low power mode for for clear early Waiting 20 msec or more Run for the slave address that searched slave address is Y Write 0x50 to slave address Y resister address 0x04 To ASIC forced mode of operati
7. 2SMPB 01 01 Absolute Pressure Sensor High accuracy and small size absolute pressure sensor with low current con sumption e Measure absolute pressure and temperature with high accuracy e Built in low noise 24 bits ADC e Digital control and output via I2C interface e Automatically power down non working circuit to minimize current consumption e Individual calibration parameters stored in OTP One Time Programmable Non Volatile Memory RoHS compliant Application Example e Smart Phone e Activity monitor e Wearable device Ordering Information E Standard Models with Surface Mounting Terminals Packaging Model Minimum Order Quantity Minimum Packing Unit Tape and Reel 2SMPB 01 01 TR 1 000 1 000 8 pin QFN A Q m A v N 7 mM A T N 2SMPB 01 01 Absolute Pressure Sensor Ratings Specifications and Function E Use conditions and recommended operating conditions Type of Pressure Absolute pressure Medium Air Operating Pressure Range 30 kPa to 110 kPa Never use corrosive gases E Absolute Maximum Ratings Symbol Rating Power Supply Voltage Vddmax 4 0 Input Voltage other than power 0 2 to Vopr 0 2 Unit V V Remark Maximum Pressure 160 kPa Storage Temperature Storage Humidity Hstr E Operating Ratings 40 to 85 10 to 95 C with no condensation or icing with no conde
8. I2C_TXDO0O register after waiting time Correct measured data with calibration data got at step 3 Repeat 6 to 8 May need step 4 5 and 8 when ambient temperature is changed o o NDA RA Execute timing chart Select Read Select Read Pressure lt gt Pressure PTAT lt gt PTAT I2C Access CEED T Internal Data Valid pressure data Valid PTAT data Sleep_mode 12C and OTP N V Memory are active even under sleep mode Note About waiting time please refer to section Characteristics by Power Mode Default Is Sleep Wake up after I2C access Sleep Automatically E Outline of Sleep Operation Sleep operation of this sensor is controlled by start stop internal clock e System will automatically stop clock and sleep after completion of analog to digital conversion e ADC and Digital Filter Block are powered down while sleeping e Other part such as OTP N V Memory and I2C continue working during sleep then can communicate outside via 12C interface e ADC and Digital Filter Block can be awaken by I2C_SREQ bit 4 ACTBIT 1 Q 7 mM A T N 2SM PB 01 01 Absolute Pressure Sensor E Compensation of pressure and temperature Read Values through 12C I F Calculate outside MCU 1 Read Calibration Data from N V Memory 2 Read Uncompensated Temperature Value 3 Read Uncompensated Pressure Value 4 Compensate Temperature Value 5 Compensate Pressure
9. L 1 PTAT 0 Pressure Default Note Proper operation will not be assured with bit combination not specified above Q mM A T N 12C AADJ OTP Read Register Address 08h EEE O l o o e o eee Reserved Set 0 when write register I2C_ADDJ 0 OTP Read Enabled 1 OTP Read Disabled Default Reserved Set 1_0 when write register 12C_ADDJ Reserved Set O_1 when write register 12C_ADDJ Reserved Set O_1 when write register 12C_ADDuJ Bit7 Reserved Bit6 OTP Read Mode VBGACT Bit5 to 4 Reserved Bit3 to 2 Reserved Bit1 to O Reserved Note Proper operation will not be assured with bit combination not specified above 13 2SMPB 01 01 2SM PB 01 01 Absolute Pressure Sensor aalik Set Up Register Address 0Ah C C a E a Initial Reserved Set 0 when write register 12C_SETUP ADC Power Up Mode bit1 to O Setup 1_0 Start ADC Setup Default 0_0 0_1 1_1 Please DO NOT USE bit7 to 2 Reserved Note 1 This set up is required to start ADC operation Note 2 Proper operation will not be assured with bit combination not specified above COE_PR Calibration Data Register for Pressure Linearity OTP Register Address 22h to 24h Initial Read only Calibration data is stored I2C_AADJ bit6 VBGACT bit should be set to 0 to enable read operation of these OTP registers COE_TEMP C
10. alibration Data Register for Temperature Correction of Pressure OTP Register Address 26h to 2Ah R W R R R ae R R R R a e e ooo eee Read only Calibration data is stored I2C_AADJ bit6 VBGACT bit should be set to 0 to enable read operation of these OTP registers COE_PTAT Calibration Data Register for PTAT Linearity OTP Register Address 2Ch to 32h a a a E C C C C CC Read only Calibration data is stored I2C_AADJ bit6 VBGACT bit should be set to 0 to enable read operation of these OTP registers COE_CEX Calibration Data Register for Extend Bits for PR3 amp PTAT3 OTP Register Address 34h R W R R R ms R R R R a e eee eee Read only Calibration data is stored Bit15 to 8 These bits are extend bits of COE_PR3 register Bit7 to 0 These bits are extend bits of COE_PTATS register I2C_AADJ bit6 VBGACT bit should be set to 0 to enable read operation of these OTP registers 14 2SM PB 01 01 Absolute Pressure Sensor Packaging Oo Model Packaging Minimum Order Quantity Minimum Packing Unit 2SMPB 01 01 TR Tape and Reel 1 000 1 000 E 2SMPB 01 01 TR Tape and Reel Configuration of shipment Packaging Embossed Carrier Tape SPQ 1 000 pcs Quantity Max 5 000 pcs reel 1 reel 1 Interior box Reel model EIAJ reel 830 mm dia Insert method see below Taping Emboss pitch 4 mm type amp tape width 12 mm type Trail
11. alibration coefficient 24 bits read value of COE_PR3 Reg and COE_CEX Reg The next by using the result data of step 4 the operator corrects pressure data temperature compensation PI 90000 PI 90000 ct0 btO x T 90000 Ta 25 C PI 90000 P 90000 ct20 bi20 x Th 90000 Ta lt 25 C Note Temperature calibration of the pressure is calculated after converting to absolute pressure value because PI is a relative value from 90 kPa Po Final compensated result This result is a relative value from 90 kPa Pa bt0 2SMPB 01 calibration coefficient 16 bits read value of COE_TEMP2 Reg cto 2SMPB 01 calibration coefficient 16 bits read value of COE_TEMP3 Reg bt20 2SMPB 01 calibration coefficient 16 bits read value of COE_TEMP22 Reg ct20 2SMPB 01 calibration coefficient 16 bits read value of COE_TEMP23 Reg 2SM PB 01 01 Absolute Pressure Sensor E Power on Reset Power on reset circuit of 2SMPB 01 is using the CR delay Therefore power on reset is not working properly on below situations At the time of the following circumstances when power is switched on again e The potential of the VDD pin is not 0 volt e The instantaneous voltage drop occurs in the VDD pin Circuit diagram of a power on reset and discharge characteristics of the VDD pin are as follow Power On Reset Circuit Discharge characteristic of VDD Terminal VDD Terminal OPEN at OFF 0 20 40 60 80 time
12. and then confirm that actual conditions coincide with the conditions shown in the table Fe Temperature C T2 a t4 to Preheating Soldering Time s Preheating T1 to T2 t1 Soldering T3 t2 Peak value T4 150 C to 180 C 120 s max 230 C min 30 s max 250 C max e We recommend a thickness of 150 to 200 um for the solder cream e Since the pressure sensor chip is exposed to atmosphere cleaning fluid shall not be allowed to enter inside the sensor s case e We recommend that the recommended mounting PAD dimensions should be used for the land pattern Q 7 mM A T N 17 Q F mM A T N 29SM PB 01 01 Absolute Pressure Sensor Safety Precautions Precautions for Correct Use Handling 1 Only air can be used as pressure media on the product directly It is prohibited to use pressure media including corrosive gases e g organic solvents gases sulfur dioxide and hydrogen sulfide gases fluid and any other foreign materials The product are not water proof The product shall be kept dry in use excluding the sensor port The product shall not be used under dew condensing conditions Frozen fluid on sensor chips may cause fluctuation of sensor out SSS we put and other troubles s The product shall be used within rated pressure Usage at pressure out of the range may cause breakage O1 The product may be damaged by static electricity
13. ence for searching the slave address Slave address 0x70 Read 8 bits data from 0x05 Result of Reading is Ox5A YES The current value is recognized as subsequent Slave Address 1 on slave address Slave address is Ox7F YES Abnormal termination error code issue End 10 2SM PB 01 01 Absolute Pressure Sensor I2C Protocol E About I2C Slave Address The 2SMPB 01 01 module I2C slave address is shown below em em emn e SMT a p RW e a S E E E E E T Write Access Please set LSB of slave address as 0 and this byte is EOh 1110_0000b 70h lt lt 1 WR 0 Read Access Please set LSB of slave address as 1 and this byte is E1h 1110_0001b 70h lt lt 1 RD 1 E I2C Access Protocol Examples Symbol e START START condition e STOP STOP condition e Re START Re START condition for Read e SACK Acknowledge by Slave e MACK Acknowledge by Master e MNACK Not Acknowledge by Master 1 Register Write Access Protocol Application Addresses other than OTP Registers 20h 34h Example Write data 8 bits to address 03h START SACK SACK SACK STOP Device Address W R Word Address SACK Write Data gt EOh 70h WR gt 03h Address gt 16Ch WR data 2 Register Read Access Protocol Application Pressure Temperature Data Register I2C_TXDO Example Read pressure data 24 bits from I12C_TXD0 add
14. er no Sensor y Embossed Carrier Tape Leader no Sensor 500 550 mm Sensor housing unit 540 590 mm rf i m gt ri ry f m mr r ri e m ry ry M F p cr aa y Core side oe m ANY e IE E a E la 9 R a avera o o oo o E e eL The same dimensions as Cover Tape the embossed carrier tape Cover Tape no Sensor ry Cover Tape no Sensor Core side of the reel Direction to pull out 1 pin mark in the upper left Q H 2 mM A T N 15 Q 9 mM A T N 2SMPB 01 01 Individual packaging EIAJ reel Desiccant Aluminum bag Individual packing box E 2SMPB 01 01 Embossed Carrier Tape Taping To ensure the reel for small shipment the tape will be cut into multiple units of 10 pieces length Embossed Carrier Tape Sensor housing unit 10 pcs x n Cover Tape Individual packing box These are chosen the packaging box following two patterns e Packing small reel cut type in the box with air cap e Packing the reel cut products shaped ring in the box with air cap Absolute Pressure Sensor 16 2SM PB 01 01 Absolute Pressure Sensor Recommended Soldering Method E Soldering method air reflow Max 2 times E Condition of Temperature Max 260 C within 10 seconds E Recommended Soldering Method Temperature profile conditions of reflow soldering should be set as shown in the below table
15. hall not be kept under dusty or damp condition e Application examples provided in this document are for reference only In actual applications confirm equipment functions and safety before using the product e Consult your OMRON representative before using the product under conditions which are not described in the manual or applying the product to nuclear control systems railroad systems aviation systems vehicles combustion systems medical equipment amusement machines safety equipment and other systems or equipment that may have a serious influence on lives and property if used improperly Make sure that the ratings and performance characteristics of the product provide a margin of safety for the system or equipment and be sure to provide the system or equipment with double safety mechanisms Note Do not use this document to operate the Unit OMRON Corporation Electronic and Mechanical Components Company Contact www omron com ecb Cat No A233 E1 01 0614 0614 0 18
16. nsation Vopr Operating Voltage 2 25 2 5 Typ Max 3 6 V VDD Vddio 1 62 2 5 3 6 V 85 C VDDIO Electrical Characteristics At Ta 25 C VDD 2 5 V unless otherwise noted Name Unit Remarks Sleep Mode Current Consumption Isleep 0 6 Measureable Pressure Range Popr 30 110 Max Average Current lhp UA 1 sample s High accuracy mode UA kPa Pa Absolute Pressure Accuracy Pabs1 Relative Pressure Accuracy Prel1 400 Min Typ 9 500 0 3 400 Pa 70 k to 110 kPa High accuracy mode 70 k to 110 kPa High accuracy mode rms Noise Pnois 6 2 70 k to 110 kPa High accuracy mode Absolute Temperature Accuracy Tabs 2 2 Pressure Resolution Pa C Pa High accuracy mode Temperature Resolution C High accuracy mode Discharge time of VDD These characteristics are guaranteed by design Time VDD From 2 5 V to 0 01 V 2SM PB 01 01 Absolute Pressure Sensor I2C Characteristics At Ta 25 C VDD 2 5 V unless otherwise noted Standard Mode Fast Mode Item Remark MIN MAX MIN MAX SCLK Clock Frequency 100 400 Digital Input L 12C VDDx0 2 VDDx0 2 Digital Input H 12C Vih2 VDDx0 8 VDD 0 2 VDDx0 8 VDD 0 2 Digital Output L 12C Vol2 0 0 4 0 0 4 Pull up Resister Rpullup 2 2 10 2 2 10 kQ Capacitive Load Cb 400 400 pF Power On Supply Startup Waiting Time Tpor 0 8
17. nt 16 bits PTAT Linearity Calib 3 offset omoes om Pressure amp PTAT Linearity extend bits COE_CEX 34h 16 bits Bit 15 8 gt COE_PR3 extend bit 23 16 Bit 7 0 gt COE_PTAT3 extend bit 23 16 12 2SM PB 01 01 Absolute Pressure Sensor I2C_TXDx Sensor Data TXDO Address 00h TXD1 Address 01h or TXD2 Address 02h Initial ADC output is stored with 22 to 24bit accuracy which depend on power mode Data can be retrieved as 24 bits by one operation If data consists of less than 24 bits additional O will be filled as shown in the table below lI2C_TXDO address can be accessed by memory map method Bit 22 bits data Low power mode 24 bits data Standard amp High Accuracy mode I2C_SREQ Sensor Request Register Address 03h O Eee ee eee eee Reserved Set 0 when write register I2C_SREQ Reserved Set 0 when write register I2C_SREQ Indicate operation mode while reading 1 sleep mode 0 operating mode Set 0 when write register I2C_SREQ Control sleep mode Set 1 when write register I2C_SREQ 1 Awaken the system 0 Not awaken the system Reserved Reserved Sleep state SLEEPST Wake up request ACTREQ Select measurement mode O_0_0 Low power mode O_1_0 Standard mode O_1_1 High accuracy mode Bit3 to 1 Mode select Sensor Input Select Sensor select PTATSE
18. on internal clock starts oscillating gt It is required for writing to 0x07 address 6 7 0x0C Write 0x00 8 0x08 Write 0x25 10 Write 0x02 to slave address Y resister address OxOA Write 0x00 to slave address Y resister address 0x0C Write 0x25 to slave address Y resister address 0x08 Waiting 10 msec or more Write 0x22 to slave address Y resister address 0x09 Normal initialization of Setup register Normal initialization of IOTEST register Change AADJ resister transision to OTP read mode Waiting of transission to OTP read mode Waiting time can afford Normal initialization of WAKEUP register 11 Read 16 bit from slave address Y resister address 0x30 and save as Z upper 8 bits Trimming value of W T results acquisition Note It is required OTP read mode on 8 Address of Z are 0x01 0x02 0x03 0x0OF Write Z to slave address Y resister adress 0x07 Write 0x10 to slave address 0x70 resister address 0x04 In particular run the 12C communication less than 100 kHz Henceforth slave address return 0x70 Normal initialization of MODESEL register ASIC sleep mode DSP nomal mode Write 0x16 Write 0x65 to slave address 0x70 resister address 0x08 Write 0x16 to slave address 0x70 resister address 0x03 Waiting 20 msec or more Normal initialization of AADJ register Single operation on high accuracy mode Reset program of absolute pressure sensor module termination Sequ
19. ress 00h ACK START SACK S l l l l l l Device Address W R Word Address Pas EOh 70h WR 00h Address Re START SACK MACK MACK MNACK STOP SDA J LP ee ee ee ee Ak Ues Ua URLAO 7 _JeL_ 5 _fal_ 3l_ fal fl IO 7 _Jel_ 5 _f4l_ 3l_ Jal fl Jo 7 _JeL_ 5 _ 4 _ 3 _ Jal 71 Jo l 4 p l l l gt Device Address W R 7 Read Data H 8 bits Fo Read Data L 8 bits iei Read Data XLS bitsy heed gt E1h 70h RD 12h Read data 34h Read data 56h Read data Pressure Temperature data consists of 24 bits and output as three blocks of 8 bits Data will be output as H L and XL order and each 8 bits also output as MSB first 24 bits data format is below Bit16 Bit15 Read Data H Read Data L Read Data XL In order to read only data L or data XL use next protocol 3 11 Q mM A T N 2SM PB 01 01 Absolute Pressure Sensor 3 Register Read Access Protocol Application Addresses other than OTP Registers 20h 34h 12C_TXDO Example Read data 8 bits from I2C_SREQ address 03h SDA START SACK SACK Re START SACK MNACK STOP I 3 I 3 1 i i 3 I ry SCLK 1 l I l l l l j I l li l 7ZLJeLisi J421 0 7L_J6L_ S J4 J3Ej2t 44 0 7LI6LJ5__ J4L J3 jay 0 7i Jesi J4 J3Ej2t 4 0 4 P j CC a oe toc baal tat kaal kasal kal A Device Address
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2SMPB 01 01 2smpb-01-01