MAX20343EVKIT# Analog Devices

Click here for production status of specific part numbers. Evaluates: MAX20343/MAX20344 MAX20343 Evaluation Kit General Description Quick Start The MAX20343 evaluation kit (EV kit) is a fully assembled Required Equipment and tested circuit that evaluates the MAX20343/MAX20344 The following equipment is required to verify the function- 3.5W, buck-boost regulator. The MAX20343 is designed ality of this EV kit. The list assumes the EV kit is used with for low-noise, battery-powered applications that require 2 the I C-controlled version of MAX20343. 2 long runtimes. The EV kit is compatible with both the I C USB-A to Micro-USB Cable controlled and single-pin-enabled versions of the MAX20343/MAX20344. Host PC with One USB Port and the MAX20343 Evaluation Kit Tool Installed Refer to the MAX20343/MAX20344 IC data sheet for detailed information regarding the operation and features Adjustable Power Supply with 5.5V Capability of the device. Voltmeter Optional Equipment Features The following equipment can be used for more complete RoHS Compliant evaluation of the EV kit: Proven PCB Layout Fully Assembled and Tested Two (2) Ammeters 2 USB Controllable for I C Configured Devices Load (Electronic or Passive) Procedure Ordering Information appears at end of data sheet. The EV kit is fully assembled and tested. Follow the 2 steps below to verify board operation when using the I C controlled version of MAX20343: MAX20343 EV Kit Files 1) Install the MAX20343 Evaluation Kit Tool on the host PC. FILE DESCRIPTION 2) Connect the USB cable from the host PC to the MAX20343 MAX20343EVKIT and run the GUI. MAX20343EVKitSetupV140.zip Evaluation Kit Tool 3) Verify that the shunt jumpers are installed in their default positions. 4) Set the voltage on the power supply to 3.3V, then connect the positive terminal to V and the com- IN mon/negative terminal to GND. 5) Verify that the GUI has detected and connected to the EV kit and that LED D5 on the EV kit is illuminated. 6) On the General tab of the GUI, uncheck the boxes for Output Voltage Interrupt Mask and Input UVLO Interrupt Mask. 7) Press the Read button to read the interrupt states. Verify that LED D2 is off. 8) Switch to the Buck-Boost tab of the GUI and verify that the Output Voltage slider is set to 5.5V, then enable the regulator using the Buck-Boost Enable radio button. 9) Verify that LED D2 is illuminated. 319-100335 Rev 1 12/20Evaluates: MAX20343/MAX20344 MAX20343 Evaluation Kit 10) Use the voltmeter to measure V and confirm that to the Maxim Integrated main website and support website. OUT it is 5.5V 3%. It can be disabled by checking the box Disable Splash. To measure the efficiency of the MAX20343: After the splash screen closes, the main window opens to the General tab of the GUI. The GUI starts up assum- 11) Remove the shunt jumpers from J1 and J2. ing all configuration bits are set to 0, so the informa- 12) Connect the first ammeter in series to the input sup - tion displayed might not match the values stored in the ply by attaching the input terminal to pin 1 of J1 and MAX20343 until the device is read manually or automati- the output terminal to pin 2 of J1. cally through polling. 13) Connect the second ammeter in series to output load by attaching the input terminal to pin 1 of J2 and the output terminal to pin 2 of J2. 14) Attach the load to V and measure the input volt- OUT age, input current, output voltage, and output current. Detailed Description of Software The MAX20343 Evaluation Kit Tool is a GUI that provides a simple and quick way to test different configuration 2 settings for the I C-controlled version of the MAX20343. The GUI contains several tabs to configure different parameters of the MAX20343 and a register map to access all registers. Connecting to the Hardware When the GUI is first opened, a splash screen appears. The Figure 1. Initial Splash Screen splash screen displays the GUI software revision and links Figure 2. GUI Main Tab on Startup Maxim Integrated 2 www.maximintegrated.com