Evaluates: MAX77801 MAX77801 Evaluation Kit General Description Quick Start The MAX77801 evaluation kit demonstrates the IC 2A, Required Equipment 2 buck-boost with I C capability. The EV kit enables user to MAX77801 EV kit evaluate MAX77801 performances with preprogrammed MINIQUSB command module (optional, USB cable 2 output voltage even without I C interface board (e.g., included) MINIQUSB). The two output voltages supported by default are 3.3V and 3.4V and it can be set by pulling DVS high/ Adjustable DC power supply 2 low. With I C interface board (additional order required 1.8V DC power supply (optional) if necessary), user can set output voltage from 2.6V to Digital multimeters 4.1875V with 12.5mV step. The EV kit comes standard with the MAX77801EWP+ installed. The MINIQUSB interface board can be used to enable PC communication through the USB interface board. Windows 2000-, Windows XP-, Windows Vista-, and Windows 7-compatible software along with an extender board allows an IBM-compatible PC to use to the USB 2 port to emulate an I C 2-wire inter-face. This menu-driven program offers a graphical user interface (GUI) with con- trol buttons. Benefits and Features Kelvin Sense Pins at the Input and Output of the Regulator Ensure Accurate Efficiency Measurement Figure 1. MAX77801 Evaluation Board Ordering Information appears at end of data sheet. Windows, Windows XP, and Windows Vista are registered trademarks and service marks of Microsoft Corporation. 19-7523 Rev 0 2/15Evaluates: MAX77801 MAX77801 Evaluation Kit 6) Switch JU2 to VIO (1-2) to enable the MAX77801. Procedure 7) Apply load for desired test. If reading register (e.g., The EV kit is fully assembled and tested. Follow the steps reading status register) or writing register (e.g., pro- below to verify board operation. Use twisted wires of gramming specific output voltage) is required, then appropriate gauge (20AWG) that are as short as possible proceed to step 8. to connect the load and power sources. 8) Visit www.maximintegrated.com/evkitsoftware to 1) Ensure that the EV kit has the correct jumper set- download the latest version of the EV kit software, tings, as shown in Table 1. MAX77801Rxx.ZIP. Save the EV kit software to a 2 2) Connect the MINIQUSB interface board (if I C con- temporary folder and uncompress the ZIP file. trol is required to test). 9) Install the EV kit software on your computer by run- 3) Preset the DC power supply to 3.8V. Turn off the ning the INSTALL.EXE program inside the temporary power supply. Do not turn on the power supply until folder. The program files are copied and icons are all connections are completed. created in the Windows Start Programs menu. 4) Connect the EV kit to the power supply and meters. 10) Connect the USB cable from the PC to the Adjust the ammeters to their largest current range MINIQUSB board. to minimize their series impedance. Do not allow 11) Start the EV kit software by opening its icon in the the ammeters to operate in their autorange mode. Start Programs menu. The EV kit software main If current readings are not desired, short across the window appears, as shown in Figure 2. ammeters. 12) The EV kit is now ready for testing. 5) Turn on the power supply. Maxim Integrated 2 www.maximintegrated.com