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3T: Your partner for electronics & embedded systems

The power converter development board PEPPER was designed for precise control, characterization, and testing of various power components, including power supplies, transformers, inductors, actuators, and motors.

One standout feature of this digital amplifier is its ability to regulate both voltage and current outputs while accommodating a wide range of load impedances, from capacitive to inductive.

The dev kit PEPPER excels in flexibility, accuracy, efficiency, and bandwidth. Its adaptable digital amplifier design can seamlessly integrate into custom, application-specific solutions for our valued customers.

Benefits at a glance

  • High power density which makes compact design possible

  • High efficiency, accuracy and bandwidth

  • Low noise and ripple

  • Pulse Width Modulation (PWM) or Pulse Density Modulation (PDM) control

  • Good EMC and EMI characteristics

  • Robust: Overload and short-circuit protection

  • Configurable as source or load; current, voltage, power, impedance

  • Wide impedance range: inductive, resistive (positive / negative), capacitive

  • Powerful in combination with the FPGA development boar MINT and model-driven design

Technical specification of PEPPER

Technology GaN FETs (Si or SiC FETs possible)
Number of channels 4
Supply Voltage 0V to 50V
Output voltage 0V to 48V
Output Current – 5A to +5A
Output Ripple < 50 mVpp at 50V
Current Noise < 500 uArms at 5A
Efficiency up to 98%
Output Power 4 x 48V x 5A = 960W
Inputs 2 x Hall/Encoder input
Form factor FMC card compatible with most evaluation boards
Compatible with MINT

PEPPER - the flexible development board for various power converter applications

PEPPER is a 4-channel dev kit featuring cutting-edge Gallium-Nitride (GaN) FETs. Its output signals are meticulously filtered to eliminate interference, ensuring that typical issues seen with conventional motor drives have no impact. This not only simplifies EMC compliance but also minimizes disturbances within your system.

Implemented as an FMC (FPGA Mezzanine Card), the PEPPER power converter development board seamlessly connects to 3T's MINT FPGA development board. This FMC design ensures compatibility with most third-party FPGA or microcontroller development boards. When paired with MINT, PEPPER becomes a highly flexible amplifier, allowing you to implement control algorithms in either the FPGA or the ARM section of the Arria V System-On-Chip.
To streamline design efforts and verification, control algorithms can be developed in MATLAB/Simulink. Once validated through simulation, a Model-Based Design approach generates VHDL/C/C+ code. Hardware-in-the-Loop (HIL) testing enables validation of the control algorithm on PEPPER using MATLAB/Simulink.

PEPPER can function as both a source and a load, with fully adjustable output characteristics. This versatility makes it ideal for precision actuator control and the characterization of various components, including:

  • Voice coil or Lorentz actuators

  • Solenoids

  • Variable reluctances

  • Motors (DC, brushless, AC induction, sensorless, ironless, 2 or 3 phases)

  • Piezos

  • Laser and LED modulation

  • Heaters

  • Precision programmable power supply, voltage / current limited

  • Active loads

  • Battery cell charging, discharging, characterization (load curves, lifetime, automatic endurance tests)

 

Interested in learning more about PEPPER? Contact us, and we will gladly address all your questions!

Contact us!
Sales Team 3T
3T B.V. (HQ) - Industrial Actuators & Controls
Institutenweg 1
7521 PH Enschede
The Netherlands
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