Getting Started with the KITFS0400SKTEVM Evaluation Board

Last Modified: Jun 29, 2026 new Supports KITFS0400SKTEVM

Contents of this document

  • 1

    Out of the Box
  • 2

    Get Hardware
  • 3

    Configure Hardware

1. Out of the Box

The NXP analog product development boards provide an easy-to-use platform for evaluating NXP products. The boards support a range of analog, mixed-signal and power solutions. They incorporate monolithic integrated circuits (ICs) and system-in-package (SiP) devices built on proven high-volume technologies. NXP products offer longer battery life, a smaller form factor, reduced component counts, lower cost, and improved performance in powering state-of-the-art systems.

This page will guide you through setting up and using the KITFS0400SKTEVM board.

1.1 Kit Contents

The KITFS0400SKTEVM kit contains the following items:

  • Assembled and tested KITFS0400SKTEVM evaluation board (socketed Rev. C) in an anti-static bag with the following Power Management Integrated Circuit (PMIC) setup:
    • One FS04 in the socket (U1)
  • Fully assembled FRDM-KL25Z
  • USB-STD A to USB Type-C cable
  • Jumpers to configure the board
  • Nylon spacers and screws

1.2 Additional Hardware

In addition to the kit contents, the following hardware is recommended when working with this kit:

  • One power supply with a range up to 40 V and a current limit initially set to 1.0 A.

1.3 Minimum System Requirements

This evaluation kit requires a Windows PC workstation with a USB connection.

1.4 Software

Before working with this evaluation board, software must be installed. All listed software is available on the KITFS0400SKTEVM evaluation board's information page. See UM12183 for more information about installing the software.

  • NXP graphical user interface (GUI), latest version

2. Get to Know the Hardware

2.1 Board Features

The KITFS0400SKTEVM evaluation board allows a user to:

  • Configure an evaluation environment that meets specific design requirements using the connectors, jumpers and switches on the board
  • Monitor the system performance in real time using the LEDs and test points on the board

2.2 Kit Overview

The KITFS0400SKTEVM kit provides an integrated platform for evaluating designs based on NXP’s FS04 high voltage ASIL D Power Management Integrated Circuit (PMIC) for the S32N processor.

The KL25Z freedom board can be connected to the bottom side of the KITFS0400SKTEVM. The KL25Z provides the interface between the FS0400 PMIC device and the NXP GUI, using the inter-integrated circuit (I²C) channel. The KL25Z can also be configured to command and monitor various I/O channels. It can supply 1.8 V or 3.3 V supply voltage (VDDIO) and provide 8 V for the one-time programmable memory supply pin (VDDOTP) (after regulators).

The default configuration for the jumpers and switches is provided in Figure 1 of this document.

2.3 Board Components

Figure 1. Evaluation Board Overview with Placement of Connectors, LEDs, Jumpers and Switches

Figure 1. Evaluation Board Overview with Placement of Connectors, LEDs, Jumpers and Switches

3. Configure the Hardware

3.1 Mounting the Spacers

Four spacers and screws are supplied with the kit. These spacers and screws are there to be mounted in each corner of the board, serving as a base.

3.2 Setting the Jumpers into Default Configuration

The jumpers required to configure the board are provided with the kit. Figure 1 shows the default jumper and switch configuration.

3.3 Mounting the KL25Z

Once the KL25Z firmware is flashed, the KL25Z board should be mounted onto the bottom side of the FS04 evaluation board using the corresponding connectors.

Figure 2. KL25Z Assembly on FS04 Evaluation Board

Figure 2. KL25Z Assembly on FS04 Evaluation Board

3.4 Launching the Setup

To launch the setup, the typical hardware procedure is to:

  1. Connect the KL25Z on the development board to the Windows PC workstation via USB.
  2. Connect the VBAT connector of the development board to the power supply.

In the initial hardware configuration, the KL25Z provides:

  • I²C communication and I/O connections
  • 5.0 V used to generate VDDIO voltage level at 3.3 V or 1.8 V from an external regulator, to generate one-time programmable (OTP) 8.0 V using a external regulator, and to supply the signaling LEDs
  • 3.3 V voltage level for the level shifters between the PMIC and the KL25Z

Design Resources

Additional References

  1. KITFS0400SKTEVM: detailed information on this board, including documentation, downloads, and software and tools.
  2. FS04: detailed information on FS04, high- voltage ASIL D PMIC for the S32N processor.
  3. FS04 Data Sheet: detailed information on data sheet (NDA required).
  4. FS04 Device Design Guidelines: detailed information on device design guidelines (NDA required).