SBOU264B May   2021  – December 2022 INA232 , INA234 , INA236

 

  1.   Abstract
  2. 1Trademarks
  3. 2Overview
    1. 2.1 Kit Contents
    2. 2.2 Related Documentation From Texas Instruments
  4. 3Hardware
    1. 3.1 Features
  5. 4Operation
    1. 4.1 Quick Start Setup
    2. 4.2 EVM Operation
      1. 4.2.1 Setup
        1. 4.2.1.1 Driver Installation
        2. 4.2.1.2 Firmware
          1. 4.2.1.2.1 Firmware Debug
        3. 4.2.1.3 GUI Setup and Connection
          1. 4.2.1.3.1 Initial Setup
          2. 4.2.1.3.2 GUI to EVM Connection
      2. 4.2.2 GUI Operation
        1. 4.2.2.1 Homepage Tab
        2. 4.2.2.2 Configuration Tab
        3. 4.2.2.3 Registers Tab
        4. 4.2.2.4 Results Data Tab
      3. 4.2.3 Current Sensing Operation
        1. 4.2.3.1 Without Shunt Resistor
        2. 4.2.3.2 With Shunt Resistor
      4. 4.2.4 Direct EVM USB Communication
        1. 4.2.4.1 Standard USB CDC Read and Write Operations
        2. 4.2.4.2 Collect Data Through the USB BULK Channel
  6. 5Circuitry
    1. 5.1 Current Sensing IC
    2. 5.2 Input Signal Path
    3. 5.3 Digital Circuitry
      1. 5.3.1 I2C
  7. 6Schematics, PCB Layout, and Bill of Materials
    1. 6.1 Schematics
      1. 6.1.1 SENS079 (INA234EVM, INA236EVM)
      2. 6.1.2 SENS090 (INA232EVM)
    2. 6.2 PCB Layout
      1. 6.2.1 SENS079 (INA234EVM, INA236EVM)
      2. 6.2.2 SENS090 (INA232EVM)
    3. 6.3 Bill of Materials
      1. 6.3.1 SENS079 (INA234EVM, INA236EVM)
      2. 6.3.2 SENS090 (INA232EVM)
  8. 7Revision History

6.3.2 SENS090 (INA232EVM)

Table 6-4 shows the parts common to both SENS090 variants.

Table 6-4 SENS090 Variants Bill of Materials
DesignatorQTYValueDescriptionPackage ReferencePart NumberManufacturer
!PCB11Printed Circuit BoardSENS079Any
C111uFCAP, CERM, 1 µF, 16 V,+/- 20%, X5R, 04020402C1005X6S1C105K050BC

TDK

C210.1uFCAP, CERM, 0.1 uF, 50 V, +/- 20%, X7R, 04020402GRM155R71H104ME14DMuRata
D1, D22WhiteLED, White, SMD0805VAOL-S8WR4Visual Communications Company, LLC
H1, H2, H3, H44Bumpon, Hemisphere, 0.25 X 0.075, Clear75x250 milSJ53823M
J11TERM BLK 6POS SIDE ENTRY 5MM PCBASSEMBLY NOTE: Trim leads per ZZ5HDR6691137710006Wurth Electronics
J21Receptacle, 2mm, 6x2, Gold, R/A, THReceptacle, 2mm, 6x2, R/A, THNPPN062FJFN-RCSullins Connector Solutions
J31'Connector Header Through Hole, Right Angle 12 position 0.079" (2.00mm)HDR12NRPN062PARN-RCSullins Connector Solutions
J4 1 Header, 2.54 mm, 2x1, Gold, TH Header, 2.54mm, 2x1, TH 61300211121 Wurth Elektronik
LBL11Thermal Transfer Printable Labels, 0.650" W x 0.200" H - 10,000 per rollPCB Label 0.650 x 0.200 inchTHT-14-423-10Brady
R2, R320RES, 0, 5%, 0.125 W, 06030603MCT06030Z0000ZP500Vishay/Beyschlag
R4, R7210kRES, 10 k, 5%, 0.063 W, AEC-Q200 Grade 0, 04020402CRCW040210K0JNEDVishay-Dale
R5, R6, R834.7kRES, 4.7 k, 5%, 0.063 W, AEC-Q200 Grade 0, 04020402CRCW04024K70JNEDVishay-Dale
SH-J4 1 Shunt, 2.54mm, Gold, Black Shunt, 2.54mm, Black 60900213421 Wurth Elektronik
SW01Slide Switch SP4T Surface Mount, Right AngleSMT_SW_11MM3_4MM1CUS-14TBNidec Copal Electronics
TP2, TP3, TP4, TP5, TP7, TP8, TP10, TP11, 8Test Point, Miniature, SMTTestpoint_Keystone_Miniature5015Keystone
U1 1 48-V, 16-Bit, Current, Voltage, and Power Monitor With an I2C Interface SOT23-8 INA232AIDDFR Texas Instruments
C300.1uFCAP, CERM, 0.1 uF, 100 V, +/- 10%, X7S, AEC-Q200 Grade 1, 06030603CGA3E3X7S2A104K080ABTDK
FID1, FID2, FID30Fiducial mark. There is nothing to buy or mount.N/AN/AN/A
R1010 mOhms ±0.5% 2W Chip Resistor 2512 (6432 Metric) Automotive AEC-Q200, Current Sense, Moisture Resistant Metal Film2512PCS2512DR0100ETOhmite