Click here for production status of specific part numbers. Evaluates: MAX14916 MAX14916 Evaluation Kit General Description Features The MAX14916 evaluation kit (EV kit) provides a proven Robust Operation with Wide Range Of Input Voltages design to evaluate the MAX14916, 2.4A (min) quad high- and Load Conditions side switch with extended diagnostics. The EV kit includes VDDOK Indication the MAX14916 evaluation board and a graphical user inter- LED Indication of Channels Status and Fault face (GUI) that provides communication from a PC to the Conditions target device through a USB port and the USB2GPIO Fast Inductive Load Demagnetization interface board. The USB2GPIO EV kit should be ordered separately. Open-wire, Overload, Undervoltage, Overcurrent, The GUI is compatible with Windows 10 for exercising the Thermal Shutdown Fault Conditions Indication features of the MAX14916 IC. The EV kit GUI allows indi- Supports Watchdog and SYNCH Features vidually controlling of eight high-side switches, which hard- Communication Error Indication ware configured for quad high-current operation, through Wide Logic Voltage Range the high-speed SPI interface and receive a diagnostic information from the MAX14916, including open-wire/ Pin Addressable SPI Communication open-load conditions, state of the output channels, -40C to +125C Temperature Range multiple undervoltage alarms, global and per channel Proven PCB Layout overtemperature alarms, and multiple fault alarms. Fully Assembled and Tested The MAX14916 EV kit must be powered from an external +24V power supply and can consume more than 10A Windows 10 Compatible Software when fully loaded. The USB2GPIO interface board is powered from the USB port. Ordering Information appears at end of data sheet. The MAX14916 EV kit board comes with a MAX14916AFM+ installed in a 48-pin, 6 x 6mm FC2QFN package. MAX14916 EV System 319-100443 Rev 0 9/19Evaluates: MAX14916 MAX14916 Evaluation Kit System Block Diagram SPI USB USB2GPIO MAX14916EVKIT PC GPIO BOARD MAX14916 EV kit Files FILE DECRIPTION MAX14915 6EV kitSetupV1.1.exe Application Program (GUI) tained locally. Quick Start 6) Start the EV kit software by opening its icon in the Required Equipment Start Programs menu. Select the MAX14916EVKIT MAX14916 EV kit button in the startup window. The EV kit software USB2GPIO EV kit (must be ordered separately) appears as shown in Figure 1. Verify that the lower-right status bar indicates the EV kit hardware is Connected. +24V DC power supply The GUI automatically detects EV kit is connected to PC with installed Windows 10 and a USB port the PC and enables serial communication. Any config- USB-A to micro-USB cable (not included) uration change can be made on Register Settings tab. (The following steps are used to verify functionality of Note: In the following section(s), software-related items the MAX14916) are identified by bolding. Text in bold refers to items directly from the EV system software. Text in bold and 7) Select Register Settings tab and press the Read All underline refers to items from the Windows operating button twice to clear the initially detected undervolt- system. age global conditions in the GlobalErr register 0x09. 8) Enable the desirable diagnostics in registers 0x0A Procedure through 0x0F. For example, allowing STATUS LEDs The EV kit is fully assembled and tested. Follow the steps and FAULT LEDs to be controlled autonomously by below to verify board operation: the internal logic, by disabling SLEDSet and FLEDSet 1) Visit HERE and click on Design Resources to bits in the Config1 register 0x0D 1:0 = 00b. Select download the latest version of the EV kit software, register 0x0D in the Register map table on the left MAX14915 6EVKITSetupV1.1.exe. and choose 0: Disabled from the pull-down menu of 2) Install the EV kit software on your computer by the bit Setting column of the register description table running the MAX14915 6EVKITSetupV1.1.exe pro- on the right. The font color of the modified register is gram inside the temporary folder. The program files changed from black to red. Click Write Modified but - are copied to your PC and icons are created in the ton to write a new configuration into the register. Windows Start Programs menu. 9) Set all OUTPUT switches ON, by typing in 255 deci- 3) Verify that all jumpers are in their default positions mal number into SetOUT register 0x00. Note, the GUI (Table 1). accept decimal, hex or binary numbers (e.g., 255, or 0xFF, or 0b11111111). The user can enable Auto Write 4) Power up the EV kit with +24V from an external power button to allow auto write the changes instead of click- supply through J1 and J2 Banana Plugs. ing Write Modified or Write Selected buttons, that al - 5) Connect the EV SYS to a USB port of a PC. low individual command to be sent to the MAX14916. A micro-USB cable is not included and should be ob- Maxim Integrated 2 www.maximintegrated.com