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bq26500EVM Circuit Module Schematic

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bq26500EVM Circuit Module Schematic

Figure 1

shows the circuit module schematic diagram.

Figure 1. bq26500EVM Circuit Module Schematic

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bq26500EVM Single-Cell Battery Fuel Gauge Evaluation Module

SLUU174A – March 2006 – Revised October 2013

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Copyright © 2006–2013, Texas Instruments Incorporated

Summary of Contents for bq26500EVM

Page 1: ...M Circuit Module Performance Specification Summary 7 7 EVM Hardware and Software Setup 7 8 Operation 9 List of Figures 1 bq26500EVM Circuit Module Schematic 4 2 bq26500EVM Topside Assembly 5 3 bq26500EVM Silkscreen 5 4 bq26500EVM Layer 1 Layout 6 5 bq26500EVM Layer 2 Layout 6 6 bq26500EVM Circuit Module Connection to Cells and System Load Charger 8 7 Initial Register Screen 9 8 EEPROM Screen 10 9 ...

Page 2: ...chip configuration EEPROM and evaluate the functions of the bq26500 under different charge and discharge conditions 1 1 Features Complete evaluation system for the bq26500 battery gas gauge Populated circuit module for quick setup PC software and interface board for easy evaluation Software allows EEPROM programming and data logging for system analysis 1 2 Kit Contents 1 bq26500 circuit module wit...

Page 3: ...de direct connection to the cell J1 1 J2 2 the serial communications port J1 3 The system load and charger connect across J1 1 and J2 1 2 1 Test Points Table 2 describes the EVM test points and lists their signal names Table 2 bq26500EVM Test Points Test Point Signal Name description J1 1 PACK Cell positive pack positive J1 2 GPIO GPIO pin of the bq26500 J1 3 HDQ Serial communications port J2 1 PA...

Page 4: ...ic Figure 1 shows the circuit module schematic diagram Figure 1 bq26500EVM Circuit Module Schematic 4 bq26500EVM Single Cell Battery Fuel Gauge Evaluation Module SLUU174A March 2006 Revised October 2013 Submit Documentation Feedback Copyright 2006 2013 Texas Instruments Incorporated ...

Page 5: ...e 4 1 Board Layout Figure 2 through Figure 5 show the PCB layers and assembly drawing for the bq26500EVM circuit module Figure 2 bq26500EVM Topside Assembly Figure 3 bq26500EVM Silkscreen 5 SLUU174A March 2006 Revised October 2013 bq26500EVM Single Cell Battery Fuel Gauge Evaluation Module Submit Documentation Feedback Copyright 2006 2013 Texas Instruments Incorporated ...

Page 6: ...re 4 bq26500EVM Layer 1 Layout Figure 5 bq26500EVM Layer 2 Layout 6 bq26500EVM Single Cell Battery Fuel Gauge Evaluation Module SLUU174A March 2006 Revised October 2013 Submit Documentation Feedback Copyright 2006 2013 Texas Instruments Incorporated ...

Page 7: ...PCB Any HPA033 6 bq26500EVM Circuit Module Performance Specification Summary This section summarizes the performance specifications of the bq26500EVM circuit module Table 4 gives the performance specifications of the circuit Table 4 Performance Specification Summary Specification MIN TYP MAX Units Input Voltage PACK BAT 2 6 4 5 V Charge and Discharge Current 3 1 A 1 Charge and discharge max is lim...

Page 8: ...re included with EV2300 to bq26500EVM using Table 5 as a guide 2 Connect the connector with colored wires to the HDQ connector that is on EV2300 HDQ connection is located on the top right of EV2300 3 Connect the PC USB cable to the EV2300 and the PC USB port The bq26500EVM is now set up for operation Table 5 lists the circuit module to EV2300 connections Table 5 Circuit Module to EV2300 Connection...

Page 9: ... the bq26500 is evaluated 8 2 1 Loading the Sense Resistor Value The bq26500EVM comes with a 20 mΩ sense resistor on the circuit board Make sure the sense resistor value is entered in the RS box at the top of the initial register screen This value is used by the PC program to convert the bq26500 data set to engineering units Checking the display engineering units box displays the data set in engin...

Page 10: ...OM button can be used to write all the EEPROM values at once NOTE Changing EEPROM data affects critical aspects of the bq26500 operation Please review the bq26500 data sheet to determine how to develop new data for the EEPROM based on your application It is recommend to first save the default EEPROM data as a file first before changing the data In this way the default data programming can easily b...

Page 11: ...x in each row of data A check mark in the box indicates that that data item will be scanned and updated on the PC display 8 4 The Pro Screen The pro screens allows the data location in the bq26500 to be addressed individually by entering the address to be read or the address and data to be written Figure 9 Pro Screen 11 SLUU174A March 2006 Revised October 2013 bq26500EVM Single Cell Battery Fuel G...

Page 12: ...40 3800 1087 48 1087 48 5 3 32 10 50 3786 1087 48 1087 48 6 3 32 20 60 3786 1087 48 1087 48 7 3 32 30 70 3630 1087 78 1087 78 8 3 32 40 80 3622 1084 12 1064 91 9 3 32 50 90 3614 1081 68 1062 47 10 3 33 00 100 3609 1078 02 1060 03 11 3 33 10 110 3603 1075 74 1033 34 12 3 33 20 120 3754 1075 74 1033 34 13 3 33 30 130 3762 1075 74 1033 34 14 3 33 40 140 3765 1075 74 1033 34 15 3 33 50 150 3767 1075 7...

Page 13: ...ency energy and has not been tested for compliance with the limits of computing devices pursuant to part 15 of FCC or ICES 003 rules which are designed to provide reasonable protection against radio frequency interference Operation of the equipment may cause interference with radio communications in which case the user at his own expense will be required to take whatever measures may be required t...

Page 14: ... its gain should be so chosen that the equivalent isotropically radiated power e i r p is not more than that necessary for successful communication This radio transmitter has been approved by Industry Canada to operate with the antenna types listed in the user guide with the maximum permissible gain and required antenna impedance for each antenna type indicated Antenna types not included in this l...

Page 15: ...tained the Technical Regulations Conformity Certification as provided in Radio Law of Japan with respect to this product Also please do not transfer this product unless you give the same notice above to the transferee Please note that if you could not follow the instructions above you will be subject to penalties of Radio Law of Japan Texas Instruments Japan Limited address 24 1 Nishi Shinjuku 6 c...

Page 16: ...derations per the user guidelines Exceeding the specified EVM ratings including but not limited to input and output voltage current power and environmental ranges may cause property damage personal injury or death If there are questions concerning these ratings please contact a TI field representative prior to connecting interface electronics including input power and intended loads Any loads appl...

Page 17: ...esponsible for compliance with all legal regulatory and safety related requirements concerning its products and any use of TI components in its applications notwithstanding any applications related information or support that may be provided by TI Buyer represents and agrees that it has all the necessary expertise to create and implement safeguards which anticipate dangerous consequences of failur...

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