ISL9205EVAL1Z Renesas

USERS MANUAL ISL9205xEVAL1Z AN1375 Rev 1.00 Evaluation Board Application Manual October 22, 2008 The ISL9205xEVAL1Z is an evaluation tool for the ISL9205 What is Needed single-cell Li-ion battery charger. The evaluation tool The following instruments will be needed to perform testing: provides a complete evaluation platform addressing all data Power supplies: sheet specifications and functionality. The jumpers on the board facilitate the programming of the charge current and - PS1: DC 30V/5A different charging conditions. They can also be used to make - PS2: DC 20V/5A other necessary connections, such as current measurement. DC Electronic load: 20V/5A The ISL9205 is a fully integrated single-cell Li-ion battery Multimeters charger that accepts input voltages ranging from up to 6.5V. Function generator After being powered up, the ISL9205 is capable of operating at an input voltage as low as 2.5V. The low operating voltage Oscilloscope allows the charger to work with a variety of AC adapters. Cables and wires The ISL9205 offers both a 3 package and pinout option and a total of 5 functional variants. The evaluation board Quick Setup Guide (Refer to Figure 1) accommodates all of these variants. The board provides the pads for 2 package types: the 16 Ld package and the 10 Ld DO NOT APPLY POWER UNTIL STEP 8 package. On the 10 Ld package option, there are 2 pin functions for pin 9 temperature function (TEMP) and the Step 1: Connect a 5V supply PS1 to J1 with the current remote voltage sensing (VSEN) function. Two 0 resistors limit set at 1.2A are used to select these functions. Please refer to the ordering information table to order the evaluation board. Step 2: Insert a jumper shunt between pins 2 and 3 of J2, as shown in Figure 1 Ordering Information Step 3: Connect a 3.7V supply PS2 to J2 as shown in PART NUMBER DESCRIPTION Figure 1, with the current limit set at 1.2A ISL9205EVAL1Z Evaluation Board for ISL9205 Step 4: Connect the DC electronic load of 1.2A to J2 ISL9205AEVAL1Z Evaluation Board for ISL9205A Step 5: Connect amp-meter I2 as shown in Figure 1 ISL9205BEVAL1Z Evaluation Board for ISL9205B Step 6: Insert a thermistor (type 103ET), or a 10k ISL9205CEVAL1Z Evaluation Board for ISL9205C resistor on JP2 to set a valid temperature window ISL9205DEVAL1Z Evaluation Board for ISL9205D Step 7: Switch off all bits of the DIP switch except Bit 9 Key Features Step 8: Turn on Power Supplies and DC electronic load A Complete Evaluation Platform for the ISL9205 Charger Step 9: The green LED should be on, indicating normal Accommodates All Package Options charging operation Accepts Input Voltage up to 6.5V Step 10: The current meter I2 in series with PS2 should read about 90mA as the charging current Flexible Power Connectors each with a Hook and a Solder Pad Providing Variety to Users Step 11: Switch on Bit 5 of the DIP switch, the current meter I2 should read about 800mA Convenient Jumpers for Programming the Charge Current, Charge Mode and for Current Measurement Step 12: Switch on both Bit 5 and Bit 6 the current meter I2 should read about 1000mA 89mmx65mm Board Size Handy for Evaluation Six Thermal Vias in the Thermal Pad Similar To Customers Thermally Enhanced Environment On-Board LEDs for Input FAULT and STATUS State Indication AN1375 Rev 1.00 Page 1 of 9 October 22, 2008ISL9205xEVAL1Z V2 V1 I2I2 PSI PS1 PS2 - + PS2 - + + - + - - + + - E-load E-LOAD FIGURE 1. CONNECTION OF INSTRUMENTS Detailed Description ON O N The ISL9205xEVAL1Z is a complete evaluation platform addressing all datasheet specifications and functionality. The OFF jumpers on the board facilitate the necessary connections, O F F 12 3456 789 1 2 3 4 5 6 7 8 9 such as current measurement. FIGURE 2. DIP SWITCH BIT DESCRIPTION Jumpers JP1 - A shunt installed on JP1 connects the input source DIP Switch Settings from connector J1 to the circuit if input current measurement A 9-bit DIP switch is provided to set up current reference, is not needed. The shunt can be replaced by a current meter end-of-charge (EOC) current, and so on. The functionality of if input current measurement is needed. the bits are described in Table 1. JP2 - Connection for the thermistor. An industrial standard TABLE 1. JUMPER SETTINGS 103ET type of thermistor or similar type that has a room JUMPER FUNCTION temperature resistance of 10k should be connected to JP2. JP1 Connect the input power at J1 to VIN pin If temperature measurement is not needed, a regular 10k resistor can be used to set a valid temperature window. Note JP2 For thermistor connection that leaving JP2 open will cause the charge to shut down. JP3 Connects VBAT to connector J2 JP3 - A shunt installed on JP3 connects the VBAT pin to the output connector J2 if output current measurement is not needed. The shunt can be replaced by a current meter if output current measurement is needed. AN1375 Rev 1.00 Page 2 of 9 October 22, 2008