Evaluate: MAX8713 19-3532 Rev 0 1/05 MAX8713 Evaluation Kit/Evaluation System General Description Features The MAX8713 evaluation kit (EV kit) is an efficient, mul- 0.6% Battery Voltage Accuracy tichemistry battery charger. It uses the Intel system 5% Battery Charge-Current Accuracy management bus (SMBus) to control the battery reg- ulation voltage and charger current output. Up to 2A Battery Charge Current The MAX8713 EV kit can charge one, two, three, or four +8V to +25V Input Voltage Range series Li+ cells with a current up to 2A. Charge Li+, NiCd, and NiMH Battery Chemistries The MAX8713 evaluation system (EV system) consists of a MAX8713 EV kit and the Maxim SMBUSMON2 Cycle-by-Cycle Current Limiting board. The MAX8713 EV kit includes Windows 95-/98- SMBus-Compatible 2-Wire Serial Interface /2000-/XP-compatible software to provide a user- friendly interface. Includes Windows 95-/98-/2000-/XP-Compatible Software and Demo PC Board Fully Assembled and Tested Ordering Information SMBus TEMP IC PART INTERFACE RANGE PACKAGE TYPE 24 Thin QFN, MAX8713EVKIT 0C to +70C Not included 4mm x 4mm 24 Thin QFN, MAX8713EVSYS 0C to +70C SMBUSMON2 4mm x 4mm Note: The MAX8713 EV kit software is provided with the MAX8713EVKIT. However, to use the software, the SMBUSMON2 board is required to interface the EV kit to the computer. Component List DESIGNATION QTY DESCRIPTION DESIGNATION QTY DESCRIPTION 0.1F 10%, 50V X7R (1206) 0.1F 10%, 25V X7R (0603) ceramic capacitor ceramic capacitors C1 1 C7, C9 2 Murata GRM319R71H104K Murata GRM188R71E104K TDK C3216X7R1H104K TDK C1608X7R1E104K 1F 10%, 10V X5R (0603) C12, C13, C14 0 Not installed, 0603 ceramic capacitors Schottky diode, 3A, 40V SMA C2, C6, C8 3 Murata GRM188R61A105K Central Semiconductor D1 1 TDK C1608X5R1A105K CMSH3-40MA 0.01F 10%, 50V X7R (0603) Diodes Inc. B340A ceramic capacitors Diodes, 1N4148-type, SOD-123 C3, C4, C10 3 Murata GRM188R71H103K D2, D3 2 Diodes Inc. 1N4148W TDK C1608X7R1H103K Fairchild Semiconductor MMSD4148 22F 20%, 25V X5R (1812) J1 1 2 x 10 right-angle female receptacle C5, C11 2 ceramic capacitors Smart-battery header assembly, TDK C4532X5R1E226M J2 1 right angle, keyless, 5 position TYCO Electronics (AMP) 787441-1 SMBus is a trademark of Intel Corp. Windows is a registered trademark of Microsoft Corp. Maxim Integrated Products 1 For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct at 1-888-629-4642, or visit Maxims website at www.maxim-ic.com.MAX8713 Evaluation Kit/Evaluation System 4) Install the software by running the INSTALL.EXE pro- Component List (continued) gram. The install program copies the files and creates icons for them in the Windows 95/98/2000/XP Start DESIGNATION QTY DESCRIPTION menu. An uninstall program is included with the soft- 22H, 2.6A, 75m inductor L1 1 ware. Click on the UNINSTALL icon to remove the EV Sumida CDRH8D43-220NC kit software from the hard drive. MOSFETs, dual n-channel, 7.5A, 30V, 5) Connect power to the SMBUSMON2 board. N1A, N1B 2 8-pin SO Fairchild Semiconductor FDS6990A 6) Connect the input-current supply across the R1 1 10k 5% (0603) resistor ADAPTER IN and PGND pads. R2 1 33 5% (0603) resistor 7) Connect a smart battery to connector J2. R3 1 100k 5% (0603) resistor 8) Turn on the power supply. 0.04 1%, 0.5W (2010) sense 9) Start the MAX8713 EV kit software. resistor R4 1 10) Verify current is being delivered to the battery. Vishay Dale WSL2010 0.040 1.0% IRC LRC-LR2010-01-R040-F Detailed Description of Software R5R8 0 Not installed, 0603 The MAX8713 program provides easy access to the MAX8713ETG, 24-pin, 4mm x 4mm, U1 1 MAX8713 registers. It is also capable of reading the reg- thin QFN isters of a smart battery and monitoring SMBus traffic. None 1 PC board MAX8713 EV kit Upon execution of the program, the software enables the MAX8713 smart-charger command panel (Figure 1), after which any of the allowed SMBus commands Quick Start can be sent to the MAX8713. Refer to the MAX8713 data sheet for more information regarding the allowed Recommended Equipment SMBus commands. DC source to supply the input current to the charg- erthis source must be capable of supplying a volt- Smart Charger Command Panel age greater than the battery-voltage set point and ChargeVoltage() have sufficient current rating To issue the ChargeVoltage() command to the Voltmeter MAX8713, enter the desired voltage, in millivolts, into Smart battery the Charging Voltage edit field and select the adjacent Write button. Computer running Windows 95, 98, 2000, or XP 9-pin serial extension cable ChargeCurrent() To issue the ChargeCurrent() command to the SMBUSMON2 board MAX8713, enter the desired current, in milliamps, into the Charging Current edit field and select the adjacent Procedure Write button. The MAX8713 EV kit is a fully assembled and tested board. Follow the steps below to verify board operation. ManufacturerID() Do not turn on the power supply until all connec- ManufacturerID() returns the manufacturer ID (0x004D) tions are completed. Observe all precautions on the from the MAX8713. This command is available through battery manufacturers data sheet. the Other Bitmapped Charger Registers... panel (Figure 1) Set the VPP jumper on the SMBUSMON2 board to 2). Select manufacturer ID by picking it from the pull- VCC5. down list located directly under the Other Bitmapped Charger Registers... label. Issue a ManufacturerID() 2) Carefully connect the boards by aligning the 20-pin connector of the MAX8713 EV kit with the 20-pin command by selecting the Read button. The returned header of the SMBUSMON2 board. Gently press hexadecimal value is shown at the bottom of the panel. them together. 3) Connect a cable from the computers serial port to the SMBUSMON2 interface board. Use a straight-through 9-pin female-to-male cable. 2 Evaluate: MAX8713