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 and system-in-package devices that use proven high-volume technology. 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 the process of setting up and using the KITFS26SKTEVM evaluation board.
1.1 Kit Contents/Packing List
The KITFS26SKTEVM contents include:
Assembled and tested evaluation board and preprogrammed FRDM-KL25Z microcontroller board in an anti-static bag
3.0 ft USB-STD A to USB-B-mini cable
Two connectors, terminal block plug, 2 pos., str. 3.81 mm
Three connectors, terminal block plug, 3 pos., str. 3.81 mm
Jumpers mounted on board
Quick start guide
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1.2 Additional Hardware
In addition to the kit contents, the following hardware is necessary or beneficial when working with this kit.
Power supply with a range of 8.0 V to 40 V and a current limit set initially to 1.0 A
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1.3 Windows PC Workstation
This evaluation board requires a Windows PC workstation. Meeting these minimum specifications should produce great results when working with this evaluation board.
USB-enabled computer with Windows 7 or Windows 10
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1.4 Software
Installing software is necessary to work with this evaluation board.
VPRE output output voltage from 3.2 V to 6.35 V, current capability up to 1.5 A
VBOOST in independent mode or in front-end topology to support battery cranking profiles
VCORE output voltage from 0.8 V to 3.35 V, current capability up to 1.65 A
LDO1 and LDO2 from 3.3 V or 5.0 V, up to 400 mA
VTRK1 and VTRK2, from 3.3 V or 5.0 V, up to 150 mA
VREF 0.75 % accuracy regulator for external ADC reference
FS0B, FS1b external safety pins
USB to SPI protocol for easy connection to software GUI
LEDs that indicate signal or regulator status
Manual or Automated OTP fuse programming
Advance system monitoring via AMUX or external ADC
Analog variable resistor to test external VMON
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2.2 Board Description
The KITFS26SKTEVM provides flexibility to play with all the features of the device and make measurements on the main part of the application. The KL25Z Freedom connected to the board, combined with the FS26 NXP GUI software allows to fully configure and control FS26 SBC. The LQFP48 Socket on board allows to test or to program different samples.
An FS26 SBC sample must be inserted in the socket to enable OTP programming, emulation or evaluation. The performance on this board is limited and KITFS26AEEVM must be used for further evaluation.
The programming/evaluation boards are always delivered with the GUI firmware already flashed. If the MCU firmware is already flashed, this section can be ignored. If it is specified that the firmware must be updated, or if it is malfunctioning, follow these instructions.
3.1 Flashing or Updating the GUI Firmware
The KITFS26SKTEVM is delivered with the GUI firmware flashed. If MCU firmware is flashed, ignore this section. If it is specified to update the firmware or it is malfunctioning, follow the instructions below.
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3.2 Flashing Freedom Board Firmware from Windows 7/10
If BOOTLOADER is already loaded in the FRDM Board, steps 1 to 3 are not required. Start from step 4.
Disable the Storage Service and Windows Search: Run Services, double click, and stop them as shown below
Steps 2 and 3 are not required if BOOTLOADER is already loaded in the Freedom board
Press the RST push-button and connect the USB cable into the SDA port on the Freedom board.
A new “BOOTLOADER” device should appear on the left pane of the File explorer.
Drag and drop the file “MSD-DEBUG-FRDM-KL25Z_Pemicro_v118.SDA” to the BOOTLOADER drive.
Note: Make sure to allow enough time for the firmware to be saved in the BOOTLOADER.
Disconnect and reconnect the USB cable into the SDA port.
This time without pressing the RST push-button, FRDM_KL25Z device should appear on the left pane of the File explorer as pictured below.
Locate the file “nxp-gui-fw-frdmkl25z-usb_hid-fs2630_vX.Y.bin” from the package and drag and drop the file into the FRDM_KL25Z device.
Note: Make sure to allow enough time for the firmware to be saved.
Freedom board Firmware is successfully loaded. Disconnect and reconnect the USB cable into the KL25Z USB port.
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3.3 Installing GUI Software Package
To install the FS26 NXP GUI, download or obtain the NXP GUI package, unzip 1- NXP_GUI_Setup folder:
Then, double-click NXP_GUI_version-Setup.exe and follow the instructions.
To install the application on Windows PC, proceed with the following pop-up windows:
Figure 1. Application Setup
Figure 2.License Agreement
Figure 3.Select FS2630_GUI
Figure 4. Choose the folder to install
Select the following options before completing the installation of the setup:
Run NXP_GUI
Show Readme
Select Finish to complete the installation.
Figure 5. Run NXP_GUI
When the installation is finished, you can find the application by searching for NXPGUI in the windows search bar. Click to launch.
To configure the hardware and workstation, complete the following procedure:
With SW1 in middle position, set DC power supply to 12 V and current limit to 1.0 A. Attach the DC power supply positive and negative output to KITFS26SKTEVM VBAT Phoenix connector (J20). Or connect 12 V power supply to VBAT Jack (J21)
4.1 VBAT Phoenix connector (J1)
Schematic label
Signal name
Description
J20-1
VBAT
Battery voltage supply input
J20-2
GND
Ground
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4.2 VBAT Three Position Connector (SW1)
Schematic label
Signal name
Description
SW1 pin 2-3
VBAT Phoenix
Board supplied by Phoenix connector
SW1 pin 2 (middle position)
VBAT
Board not supplied
SW1 pin 2-1
VBAT jack
Board supplied by Jack connector
Connect the Windows PC USB port to the KL25Z USB side of the freedom board included in the kit, using the provided USB 2.0 cable.
Turn on SW6 to apply VDBG to the DEBUG pin or SW7 to apply VOTP.
Turn on the power supply
Close SW1
Note: At this step, the product is either in Debug mode, and all regulators are turned off, or in OTP emulation mode. In the latter, the user can then power up with a preloaded OTP configuration or manually configure the mirror registers before powering up (the power up is effective as soon as SW7 is turned off).
