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Related Manuals for Texas Instruments bq26220EVM-001
Summary of Contents for Texas Instruments bq26220EVM-001
- Page 1 User’s Guide bq26220EVM 001 Single Cell Battery Monitor Evaluation Module User’s Guide...
- Page 2 EVM IMPORTANT NOTICE Texas Instruments (TI) provides the enclosed product(s) under the following conditions: This evaluation kit being sold by TI is intended for use for ENGINEERING DEVELOPMENT OR EVALUATION PURPOSES ONLY and is not considered by TI to be fit for commercial use. As such, the goods being provided may not be complete in terms of required design-, marketing-, and/or manufacturing-related protective considerations, including product safety measures typically found in the end product incorporating the goods.
- Page 3 EVM User’s Guide. When placing measurement probes near these devices during operation, please be aware that these devices may be very warm to the touch. Mailing Address: Texas Instruments Post Office Box 655303 Dallas, Texas 75265 Copyright 2003, Texas Instruments Incorporated...
- Page 4 ................Introduction The bq26220EVM-001 is a complete evaluation system for the bq26220 flash-based battery monitoring IC. The EVM includes one bq26220 circuit module, an EV2200 PC interface board for gas-gauge evaluation, a PC serial cable, and Windows-based PC software.The circuit...
- Page 5 SLUU151 – April 2003 Circuit Module The circuit module in the bq26220EVM-001 is a complete and compact example solution for battery monitoring of a single-cell Li-on pack.The circuit module incorporates a bq26220 battery monitor IC and all other components necessary to accurately protect and monitor the charge and discharge of one Li-Ion cell.
- Page 6 SLUU151 – April 2003 Circuit Module Physical Layouts This section contains the board layout and assembly drawings for the bq26220EVM-001 circuit module (SLUP165) 2.3.1 Board Layout Figure 2 shows the PCB layers and assembly drawing for the circuit module. Figure 2. Top Assembly Figure 3.
- Page 7 SLUU151 – April 2003 Figure 4. Layer 1 Figure 5. Layer 2 bq26220EVM-001 Single Cell Battery Monitor Evaluation Module...
- Page 8 3. This assembly must be clean of flux residues and contaminants. 4. Use of no-clean flux is not acceptable. Performance Specification Summary This section summarizes the performance specifications of the bq26220EVM-001 circuit module. Table 3 gives the performance specifications of the circuit. Table 3. Performance Specification Summary...
- Page 9 The EV2200 PC interface board The PC 3.2.1 Connecting the bq26220EVM-001 Circuit Module to a Battery Pack Figure 6 shows how to connect the bq26220EVM-001 circuit module to a Li-Ion cell and the system load/charger. Battery Pack Cell BAT– bq26220EVM-001 Circuit Module PACK–...
- Page 10 Connect bq26220EVM–001 to the EV2200 using wire leads as in the following table. Table 4. Circuit Module-to-EV2200 Connection bq26220 Based Battery EV2200 SMBD/HDQ1 PACK– Connect the PC serial cable to the EV2200 and the PC COM port. The bq26220EVM-001 is now set up for operation. bq26220EVM-001 Single Cell Battery Monitor Evaluation Module...
- Page 11 SLUU151 – April 2003 Operation This section details the operation of the bq26220EVM-001 software. Starting the Program Run EV2200–26220 from the Start|Programs|Texas Instruments|bq26220 Battery Monitor menu sequence.The software defaults to PC Com port 1 for communication.If the EV2200 is connected to Com port 1, the program should load and display the initial data screen.
- Page 12 GPIO pin by clicking the STAT box at the 0x64 location. To reset, click the box again. 4.2.2 Register Clearing Each counter in the bq26220 can be cleared (set to 00) by depressing the adjacent Clr button.The All button clears all counting registers in one sequence. bq26220EVM-001 Single Cell Battery Monitor Evaluation Module...
- Page 13 File|Open Flash File command from the pull down menu.Once the flash file is loaded into the program, the Write Flash button can be used to store the data in the bq26220. Figure 8. Flash Register Screen bq26220EVM-001 Single Cell Battery Monitor Evaluation Module...
- Page 14 Write RAM button can be used to store the data in the bq26220. On this screen, two other buttons are available to transfer data RAM to flash page 0 and from flash page 0 to RAM. Figure 9. RAM Register Screen bq26220EVM-001 Single Cell Battery Monitor Evaluation Module...
- Page 15 3:04:43 PM 2008 3:04:53 PM 2008 3:05:03 PM 2008 3:05:13 PM 2053 3:05:23 PM 2063 3:05:33 PM 2074 3:05:43 PM 2086 3:05:53 PM 2098 3:06:03 PM 21–7 3:06:13 PM 2123 3:06:23 PM 2134 bq26220EVM-001 Single Cell Battery Monitor Evaluation Module...
- Page 16 IMPORTANT NOTICE Texas Instruments Incorporated and its subsidiaries (TI) reserve the right to make corrections, modifications, enhancements, improvements, and other changes to its products and services at any time and to discontinue any product or service without notice. Customers should obtain the latest relevant information before placing orders and should verify that such information is current and complete.
- Page 17 Mouser Electronics Authorized Distributor Click to View Pricing, Inventory, Delivery & Lifecycle Information: Texas Instruments BQ26220EVM-001...