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Getting started with the STEVAL-AETKT2V1 evaluation kit for high precision
Introduction
The
STEVAL-AETKT2V1
evaluation kit implements bidirectional current sense amplifiers by placing a sense resistor either in
the high side or in the low side.
The
STEVAL-AETKT2V1
kit consists of a mother board and two different daughter boards for different gain configurations.
TSC21x family implements zero drift technology and is specially designed to accurately measure current by amplifying the
voltage across a shunt resistor connected to its input. The voltage drop (V
Thanks to the use of thin film resistors, TSC21x offers an extremely precise gain and very high CMRR performance.
Moreover, thanks to the possibility of fixing the output common mode voltage through a reference pin, the TSC21x can be either
used as unidirectional or bidirectional current sensing amplifier.
UM2859 - Rev 1 - June 2021
For further information contact your local STMicroelectronics sales office.
Figure 1.
STEVAL-AETKT2V1 evaluation kit
bidirectional current sense amplifiers
) is then amplified by an amplifier.
sense
UM2859
User manual
www.st.com
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Summary of Contents for ST STEVAL-AETKT2V1
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Page 1: Figure 1. Steval-Aetkt2V1 Evaluation Kit
UM2859 User manual Getting started with the STEVAL-AETKT2V1 evaluation kit for high precision bidirectional current sense amplifiers Introduction STEVAL-AETKT2V1 evaluation kit implements bidirectional current sense amplifiers by placing a sense resistor either in the high side or in the low side. -
Page 2: Getting Started
• RoHS compliant Shunt resistance STEVAL-AETKT2V1 offers the possibility of soldering a shunt resistance directly on the PCB. The board can host standard 2512 package size shunts on 4 W footprint optimized for minimal reading error. You can choose the appropriate shunt package and value for your own application. If the chosen shunt is not compatible with the footprint, it has be connected outside the evaluation kit. -
Page 3: Connection
UM2859 Connection Connection STEVAL-AETKT2V1 evaluation kit can be connected to the application design via J1 header. Table 2. J1 pin-out description J1 pin Description Output or input voltage reference (see Section 1.4 Voltage reference settings) Supply voltage Ground TSC21x analog output value Voltage reference settings As the TSC21x family devices can measure current in both directions, some voltage reference has to be provided. -
Page 4: Schematic Diagrams
Schematic diagrams Figure 2. STEVAL-AETKT2V1 main board (STEVAL-AET011V1B) circuit schematic The STEVAL-AET011V1B board is not available for separate sale 1µF 100nF 100pF SMA4F18A Vin+ TSC21x SMA4F18A TERMINAL Vin- SMA4F18A TSC21xDB 100k Vin+ TSB711 REF_2 REF_1 Vin- REF_1 100k REF_2 TS431... -
Page 5: Figure 3. Steval-Aetkt2V1 Daughter Board (Steval-Aet012V1B) Circuit Schematic
Figure 3. STEVAL-AETKT2V1 daughter board (STEVAL-AET012V1B) circuit schematic The STEVAL-AET012V1B board is not available for separate sale TSC213 DIP6 Figure 4. STEVAL-AETKT2V1 daughter board (STEVAL-AET013V1B) circuit schematic The STEVAL-AET013V1B board is not available for separate sale TSC210 DIP6... -
Page 6: Bill Of Materials
UM2859 Bill of materials Bill of materials Table 4. STEVAL-AETKT2V1 bill of materials Item Q.ty Ref. Part/Value Description Manufacturer Order code Table 5. STEVAL- Main board Not available for separate sale AET011V1B Table 6. STEVAL- Daughter board Not available for separate sale AET012V1B Table 7. -
Page 7: Table 6. Steval-Aet012V1B Bill Of Materials
UM2859 Bill of materials Item Q.ty Ref. Part/Value Description Manufacturer Order code Header 3, Connector M/ - J2A, J2B HDR1X3 , step Wurth Elektronik 61300311121 1 row 2.54 mm Header 4, Connector M/ - HDR1X4, step Wurth Elektronik 61300411121 1 row 2.54 mm NC, 0805, ±1%, Resistor (not... -
Page 8: Revision History
UM2859 Revision history Table 8. Document revision history Date Revision Changes 08-Jun-2021 Initial release. UM2859 - Rev 1 page 8/12... -
Page 9: Table Of Contents
UM2859 Contents Contents Getting started ..............2 Overview . -
Page 10: List Of Tables
STEVAL-AETKT2V1 bill of materials........ -
Page 11: List Of Figures
STEVAL-AETKT2V1 evaluation kit ............1 Figure 2. STEVAL-AETKT2V1 main board (STEVAL-AET011V1B) circuit schematic ......4 Figure 3. - Page 12 ST’s terms and conditions of sale in place at the time of order acknowledgement. Purchasers are solely responsible for the choice, selection, and use of ST products and ST assumes no liability for application assistance or the design of Purchasers’...
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