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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.
As a prototype, this product does not fall within the scope of the European Union directive on electromagnetic
compatibility and therefore may not meet the technical requirements of the directive.

Should this evaluation kit not meet the specifications indicated in the EVM User’s Guide, the kit may be returned
within 30 days from the date of delivery for a full refund. THE FOREGOING WARRANTY IS THE EXCLUSIVE
WARRANTY MADE BY SELLER TO BUYER AND IS IN LIEU OF ALL OTHER WARRANTIES, EXPRESSED,
IMPLIED, OR STATUTORY, INCLUDING ANY WARRANTY OF MERCHANTABILITY OR FITNESS FOR ANY
PARTICULAR PURPOSE.

The user assumes all responsibility and liability for proper and safe handling of the goods. Further, the user
indemnifies TI from all claims arising from the handling or use of the goods. Please be aware that the products
received may not be regulatory compliant or agency certified  (FCC, UL, CE, etc.). Due to the open construction
of the product, it is the user’s responsibility to take any and all appropriate precautions with regard to electrostatic
discharge.

EXCEPT TO THE EXTENT OF THE INDEMNITY SET FORTH ABOVE, NEITHER PARTY SHALL BE LIABLE
TO THE OTHER FOR ANY INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES.

TI currently deals with a variety of customers for products, and therefore our arrangement with the user is not
exclusive
.

TI assumes no liability for applications assistance, customer product design, software performance, or
infringement of patents or services described herein
.

Please read the EVM User’s Guide and, specifically, the EVM Warnings and Restrictions notice in the EVM
User’s Guide prior to handling the product. This notice contains important safety information about temperatures
and voltages. For further safety concerns, please contact the TI application engineer.

Persons handling the product must have electronics training and observe good laboratory practice standards.

No license is granted under any patent right or other intellectual property right of TI covering or relating to any
machine, process, or combination in which such TI products or services might be or are used.

Mailing Address:

Texas Instruments
Post Office Box 655303
Dallas, Texas 75265

Copyright 

 2003, Texas Instruments Incorporated

Содержание bq26220EVM-001

Страница 1: ...User s Guide 1 User s Guide ...

Страница 2: ...e handling or use of the goods Please be aware that the products received may not be regulatory compliant or agency certified FCC UL CE etc Due to the open construction of the product it is the user s responsibility to take any and all appropriate precautions with regard to electrostatic discharge EXCEPT TO THE EXTENT OF THE INDEMNITY SET FORTH ABOVE NEITHER PARTY SHALL BE LIABLE TO THE OTHER FOR ...

Страница 3: ...put If there is uncertainty as to the load specification please contact a TI field representative During normal operation some circuit components may have case temperatures greater than 70 C The EVM is designed to operate properly with certain components above 70 C as long as the input and output ranges are maintained These components include but are not limited to linear regulators switching tran...

Страница 4: ... The circuit module connects directly across the cell in a battery With the EV2200 interface board and software the user can read the bq26220 data registers and evaluate the functions of the bq26220 under different charge and discharge conditions 1 1 Features The following list highlights some of the features of the bq26220 single cell battery monitor Complete evaluation system for the bq26220 bat...

Страница 5: ...ommunications port HDQ The system load and charger connect across PACK and PACK 2 1 Pin Descriptions BAT PACK Cell positive pack positive BAT Cell negative PACK Pack negative HDQ Serial communications port STAT Status output GPIO Programmable input output port 2 2 Circuit Module Schematic The schematic shows the circuit for the bq26220EVM 001 implementation 2 2 1 Schematic Figure 1 is the bq26220E...

Страница 6: ...dule 2 3 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 Silk 1 ...

Страница 7: ...SLUU151 April 2003 7 bq26220EVM 001 Single Cell Battery Monitor Evaluation Module Figure 4 Layer 1 Figure 5 Layer 2 ...

Страница 8: ... D2 2 Diode zener 5 6 V Zetex BZX84C5V6 SPT 23 U1 1 Integrated circuit gas gauge bq26220PW TI bq26220PW TSSOP 8 Component count 16 Assembly Notes 1 This assembly is ESD sensitive 2 This assembly must comply with IPC A 610 class 2 or better 3 This assembly must be clean of flux residues and contaminants 4 Use of no clean flux is not acceptable 2 5 Performance Specification Summary This section summ...

Страница 9: ...the Setup exe icon 4 The setup program prompts for the remaining disks and installs a Windows application group 3 2 Hardware Installation There are three hardware components to the bq26220EVM 001 1 The bq26220EVM 001 circuit module 2 The EV2200 PC interface board 3 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 m...

Страница 10: ...configure the hardware for interface to the PC 1 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 HDQ SMBD HDQ1 PACK VSS 2 Connect the PC serial cable to the EV2200 and the PC COM port The bq26220EVM 001 is now set up for operation ...

Страница 11: ...he 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 Figure 7 Internal Register Screen If the EV2200 is connected to PC Com port 2 or no port the program displays a blank screen in Binary Hex Dec and Total Decimal columns Once the appropriate Com Port is selected the program loads the initial re...

Страница 12: ...ion 0x64 This designates the potential across the sense resistor below which the bq26220 goes to sleep 4 2 1 2 GPIO and STAT Boxes To configure the GPIO pin as input or output click on the GPIO box at 0x64 location To turn off the GPIO as ouput set the 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 clea...

Страница 13: ...l flash pages or click on the individual page number to read the pages individually Each flash location can be modified by clicking on the individual location and entering the new value in hex The flash values can be stored to disk as one data file To do this select File Save Flash File and enter the file name in the Store Flash File window The file can subsequently be opened using the the File Op...

Страница 14: ...e new value in hex The RAM values can be stored to disk as one data file To do this select File Save RAM File and enter the file name in the Store Ram File window The file can subsequently be opened using the the File Open Ram File command from the pulldown menu Once the FLASH file is loaded into the program the Write RAM button can be used to store the data in the bq26220 On this screen two other...

Страница 15: ... editor spreadsheet or word processor program Example data log EV2200 26220 Version 0 0 1 Texas Instruments bq26220 battery monitor 5 6 02 3 04 23 PM ROM ID 32 8C 00 02 01 11 00 26 Sample Stamp Elapsed s DCR CCR SCR DTC CTC MODE WOE CLR TEMP 1 3 04 33 PM 10 27 3 0 2008 955 78 96 297 2 3 04 43 PM 20 27 3 0 2008 955 78 96 297 3 3 04 53 PM 30 27 3 0 2008 955 78 96 297 4 3 05 03 PM 40 27 3 0 2008 955 ...

Страница 16: ...nt that any license either express or implied is granted under any TI patent right copyright mask work right or other TI intellectual property right relating to any combination machine or process in which TI products or services are used Information published by TI regarding third party products or services does not constitute a license from TI to use such products or services or a warranty or end...

Страница 17: ...Mouser Electronics Authorized Distributor Click to View Pricing Inventory Delivery Lifecycle Information Texas Instruments BQ26220EVM 001 ...

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