MAX77932EVKIT# Analog Devices

Click Click herehere to ask about the production status of specific part numbers. to ask about the production status of specific part numbers. Evaluates: MAX77932C MAX77932 Evaluation Kit General Description Quick Start The MAX77932 evaluation kit (EV kit) is a fully assembled Required Equipment and tested surface-mount PCB that evaluates the 8A MAX77932 EV kit dual-phase switched-capacitor converter MAX77932C. Bench power supply or 2-series cell battery pack The MAX77932 EV kit includes the IC evaluation board with protector 2 with an integrated I C communication interface and a Calibrated load box or system load for testing USB micro-B cable. Windows based graphical-user Calibrated 6 digit or higher accuracy multimeter interface (GUI) software is available for use with the (optional for efficiency measurement) EV kit and can be downloaded from Maxims website at www.maximintegrated.com/products/MAX77932C Lab cables with appropriate current rating (under the Design Resources tab). Windows 7 or newer 2-Pin jumper headers (included on the EV kit board) Windows operating system is required to use the EV kit USB micro-B cable (included with the EV kit) software. PC with Windows 7 or newer operating system and Features and Benefits USB port 8A Switched-Capacitor Converter Note: In the following sections, software-related items are 2S to 1S Battery Voltage Conversion identified by bolding. Text in bold refers to items directly from the EV kit software. Text in bold and underlined Integrated Power Switch refers to items from the Windows operating system. Soft-Start Procedure Programmable Protection Thresholds The EV kit is fully assembled and tested. Follow the steps Thermal Alarm and Protection to install the EV kit software, make required hardware con- Chip Enabled nections, and start operation of the kit. The EV kit software 2 can be run without hardware attached. Note that after com- I C Interface with Interrupt Feature munication is established, the IC must still be configured 2 On-Board I C Communication Interface correctly for desired operation mode. Make sure the PC is Windows 7 or Newer Compatible Software connected to the internet throughout the process so that Proven PCB Layout the USB driver can be automatically installed. Fully Assembled and Tested 1) Visit www.maximintegrated.com/products/MAX77932C under the Design Resources tab to download the latest version of the MAX77932 EV kit software. Save MAX77932 EV Kit Files the software to a temporary folder and unpack the zip file. FILE DESCRIPTION 2) Install the EV kit software on the computer by running Installs EV kit files onto MAX77932GUISetupX.X.X.exe the MAX77932GUISetupX.X.X.exe program inside computer the temporary folder. This copies the program files and creates an icon in the Windows Start menu. The Ordering Information appears at end of data sheet. software requires the .NET Framework 4.5 or later. If connected to the internet, Windows automatically updates the .NET Framework as needed. 3) The EV kit software launches automatically after in- Windows is a registered trademark and registered service mark stall, and it can be launched by clicking on its icon in of Microsoft Corporation. the Windows Start menu. 310-100554 Rev 1 6/20Evaluates: MAX77932C MAX77932 Evaluation Kit 4) Make jumper connections based on the Default Connection column in Table 1. This can be changed later when evaluating other features. MAX77932 EV KIT 5) Make connections to the EV kit board as shown in PGNDINS Figure 1. Set the power supply voltage between 5V BENCH VOLTMETER and 9V and power on. Make sure the load box is in VINS the off state. OUT A LOAD BOX 6) Connect the EV kit to a USB port on the PC using the A IN PGND1 SUPPLY / 2S USB cable. BATTERY PGND 7) Open the software and click Device > Connect. VOUTS BENCH Next, a window pops up showing that a slave address VOLTMETER PC USB INTERFACE PGNDOS corresponding to MAX77932C has been found. If not, check the connection. 8) Enable the part through the EN pin by clicking the SW1 button or follow the Detailed Description of Figure 1. MAX77932 EV Kit Board Connections Software section to enable the part through the soft- ware. The multimeter at the output should show about VIN. Apply system load to start evaluation. Table 1. Jumper Connection Guide DEFAULT JUMPER FEATURE CONNECTION Open: Disable power VIO from IN through U2 LDO. VIO power from USB through U5 LDO J1 Open Closed: Enable power VIO from IN through U2 LDO. Need to depopulate R21 beforehand to disable VIO power through USB Open: Disconnect VIO from any power source J2 Pin 1 and 2 Pin 1 and 2: VIO power from USB or IN, depending on J1, R21 Pin 2 and 3: VIO power from external power supply Open: Disable EN button feature J3 Pin 1 and 2 Pin 1 and 2: Default Pin 2 and 3: Do not configure Open: Disable power good LED indication J4 Open Closed: Enable power good LED indication Open: Default J6 Open Closed: Do not configure 2 Open: Disconnect IC SCL from on-board I C interface to allow communication with host device J9 Closed through SCL and SDA test points 2 Closed: Connect IC SCL with on-board I C interface to allow communication with the software 2 Open: Disconnect IC SDA from on-board I C interface to allow communication with host device J10 Closed through SCL and SDA test points 2 Closed: Connect IC SDA with on-board I C interface to allow communication with the software Open: Does not matter J11 Open Closed: Does not matter Open: Disable fault interrupt LED indication J13 Open Closed: Enable fault interrupt LED indication Default options are bold Maxim Integrated 2 www.maximintegrated.com