ST STEVAL-AETKT4V1 User Manual
  1. Manuals
  2. Brands
  3. ST Manuals
  4. Motherboard
  5. STEVAL-AETKT4V1
  6. User manual

ST STEVAL-AETKT4V1 User Manual

Hide thumbs
Table of Contents

Advertisement

Quick Links

Download this manual
UM3408
User manual
Getting started with the STEVAL-AETKT4V1 evaluation kit for high precision
bidirectional and high voltage current sense amplifiers
Introduction
TSC202x family is a current sense amplifier specially designed to accurately measure current by amplifying the voltage across a
shunt resistor connected to its input. It is a zero-drift topology allowing to reach a high CMRR level of 100dB min and high level
of input offset voltage of 200µV at 12V common mode voltage and over temperature.
Multiple fixed gain versions are available (x20, x50, x100) for design optimization. Thanks to the use of thin film resistor,
TSC202x offers an extremely precise gain and very high CMRR performance even in high frequency range. Moreover, there is
the possibility to fix the output common mode voltage allowing the TSC202x to be either used as unidirectional or bidirectional
current sensing amplifier.
TSC202x provides an extended input common range from -4V below negative supply voltage, and up to 100V allowing either
low side or high side current sensing, while the TSC202x devices can operate from 2.7 to 5.5 V.
TSC202x embedded a system to optimize the PWM rejection, allowing to reduce the effect of fast input common mode voltage
variation, on the output signal.
The parameters are very stable in the full Vcc range, and several characterization curves show the TSC2020 device
characteristics at 2.7V and 5.0 V. Additionally, the main specifications are guaranteed in extended temperature ranges from -40
to 125 °C.
Figure 1.
STEVAL-AETK4TV1 evaluation kit
Notice:
For dedicated assistance, submit a request through our online support portal at www.st.com/support.
UM3408 - Rev 2 - October 2024
www.st.com
For further information contact your local STMicroelectronics sales office.

Advertisement

Table of Contents
loading
Need help?

Need help?

Do you have a question about the STEVAL-AETKT4V1 and is the answer not in the manual?

Questions and answers

Related Manuals for ST STEVAL-AETKT4V1

Summary of Contents for ST STEVAL-AETKT4V1

  • Page 1: Figure 1. Steval-Aetk4Tv1 Evaluation Kit

    2.7V and 5.0 V. Additionally, the main specifications are guaranteed in extended temperature ranges from -40 to 125 °C. Figure 1. STEVAL-AETK4TV1 evaluation kit Notice: For dedicated assistance, submit a request through our online support portal at www.st.com/support. UM3408 - Rev 2 - October 2024 www.st.com For further information contact your local STMicroelectronics sales office.

  • Page 2: Overview

    UM3408 Overview Overview • Wide common-mode voltage: -4 to 100 V • High common-mode rejection CMR: 100 dB min. • Offset voltage: ±150 µV max. • Offset drift: 0.5 µV/°C max. • Enhanced PWM rejection • 2.7 to 5.5 V supply voltage •...

  • Page 3: Setting

    UM3408 Setting Setting The connector J5 (5 pins) on the right of the board allows you to set up the power supply voltage, output common mode voltage, and read the current sense output voltage. The connector J1 and J3 allow a quick setup of the output common mode voltage. The connector J4, on the left of the board is used to set the inputs of the TSC202x current sensing.

  • Page 4: Unidirectional/Bidirectional Operation

    UM3408 Unidirectional/bidirectional operation Unidirectional/bidirectional operation The TSC202x output common mode voltage level can be set thanks to voltages applied on the Vref1 and Vref2 pins. These two pins allow to set the device either in bidirectional or in unidirectional operation. The voltage applied on those pins must not exceed the Vcc range.

  • Page 5: Bidirectional Operation

    UM3408 Unidirectional/bidirectional operation Vout = IN − IN *Gain + Vcc − This configuration allows the full-scale output in unidirectional mode to measure a current flowing into the shunt from IN+ to IN-. Bidirectional operation Bidirectional mode of operation allows the device to measure currents through a shunt resistor in two directions. The output reference can be set anywhere within the power supply range.
  • Page 6 UM3408 Unidirectional/bidirectional operation When the output common mode voltage is supplied by an external power supply, to improve the output voltage measurement, it is recommended to measure the Vout differentially with respect to Vref voltage. It will provide the best CMRR measurement, the best noise immunity and a more accurate Vout voltage. A decoupling capacitance of 1nF minimum can be also added to better filter the power supply UM3408 - Rev 2 page 6/20...

  • Page 7: Shunt Resistance

    UM3408 Shunt resistance Shunt resistance STEVAL-AETKT4V1 offers the possibility to solder shunt resistance directly on the PCB. Two footprints have been defined. A two-wire connection shunt as described in Figure 7 and a four-wire connection shunt as described in Figure It is up to the user to choose the most appropriate shunt for its application.

  • Page 8: Tvs Protection Diode

    UM3408 TVS protection diode TVS protection diode While the high side current sensing TSC2020 is naturally well immunized against ESD in a controlled environment such as laboratory or production site, thanks to its good CDM and HBM immunity level, it must be protected when it is used in uncontrolled environment.

  • Page 9: Daughter Board Connection

    UM3408 Daughter board connection Daughter board connection The STEVAL-AETKT4V1 evaluation kit allows you to use 3 different current sense amplifiers, and each of them can be connected on the mother board STEVAL-AET041V1 as suggested by figure 10. Figure 10. Daughter board connection...

  • Page 10: Schematic Diagrams

    UM3408 Schematic diagrams Schematic diagrams Figure 11. STEVAL-AET041V1B circuit schematic 100nF SMT - 0805 SET VREF1 VREF1 SMT - 0805 SMT - SMA-J 1µF SMT - 0805 PAD8 VIN+ PAD5 SMT - 0805 INPUT OAR1 - R020FI SMT - 3637 PAD1 VREF1 CAMDENBOSS...

  • Page 11: Figure 14. Steval-Aet044V1B Circuit Schematic

    UM3408 Schematic diagrams Figure 14. STEVAL-AET044V1B circuit schematic Vref1 SAMTEC TSC2022 SAMTEC TS-104-G-A TS-104-G-A MSO 8 Vin- Vin+ Vin+ Vref1 Vref2 Vin- Vref2 UM3408 - Rev 2 page 11/20...

  • Page 12: Bill Of Materials

    UM3408 Bill of materials Bill of materials Table 1. STEVAL-AETKT4V1 bill of materials Item Ref. Part/value Description Table 2 Main Board Table 3 Daughter Board Gain20 Table 4 Daughter Board Gain50 Table 5 Daughter Board Gain100 Table 2. STEVAL-AET041V1B bill of materials...

  • Page 13: Table 3. Steval-Aet042V1B Bill Of Materials

    UM3408 Bill of materials Table 3. STEVAL-AET042V1B bill of materials Manufactu Order Item Ref. Part/value Description code CAPACITOR CI CONNECTOR - BREAKABLE MALE- TS-104-G- J1, J2 4CTS SAMTEC MALE BARS, -55°C TO 125°C IC - High Voltage, TSC2020, MSO Precision, Bidirectional TSC2020 Current-sense amplifier Gain x20r...

  • Page 14: Kit Versions

    STEVAL$AETKT4V1A bill of materials STEVAL$AETKT4V1A 1. This code identifies the STEVAL-AETKT4V1 evaluation kit first version. The kit consists of a STEVAL-AET041V1B whose version is identified by the code STEVAL$AET041V1B, a STEVAL-AET042V1B whose version is identified by the code STEVAL$AET042V1B, a STEVAL-AET043V1B whose version is identified by the code STEVAL$AET043V1B and a STEVAL-AET044V1B whose version is identified by the code STEVAL$AET044V1B.

  • Page 15: Regulatory Compliance Information

    UM3408 Regulatory compliance information Regulatory compliance information Notice for US Federal Communication Commission (FCC) For evaluation only; not FCC approved for resale FCC NOTICE - This kit is designed to allow: (1) Product developers to evaluate electronic components, circuitry, or software associated with the kit to determine whether to incorporate such items in a finished product and (2) Software developers to write software applications for use with the end product.

  • Page 16: Revision History

    UM3408 Revision history Table 7. Document revision history Date Revision Changes 03-Oct-2024 Initial release. 14-Oct-2024 Updated Section 8: Bill of materials. UM3408 - Rev 2 page 16/20...

  • Page 17: Table Of Contents

    UM3408 Contents Contents Overview ................2 Setting .

  • Page 18: List Of Tables

    STEVAL-AETKT4V1 bill of materials........

  • Page 19: List Of Figures

    UM3408 List of figures List of figures Figure 1. STEVAL-AETK4TV1 evaluation kit ............1 Figure 2.
  • Page 20 ST’s terms and conditions of sale in place at the time of order acknowledgment. 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’...

Table of Contents