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bq2083/bq29311 Circuit Module Schematic

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bq2083/bq29311-Based Circuit Module and Schematic

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bq2083/bq29311 Circuit Module Schematic

The schematic shows the circuit for the bq2083/bq29311 implementation.

Figure 2−1. bq2083EVM-001 Schematic

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Summary of Contents for bq2083EVM-001

Page 1: ... November 2002 High Performance Analog User s Guide SLUU133 ...

Page 2: ...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...

Page 3: ... 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 A...

Page 4: ...t 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 60 C The EVM is designed to operate properly with certain components above 60 C as long as the input and output ranges are maintained These components include but are not limited to linear regulators switching transi...

Page 5: ...re Setup Chapter 6 Operation FCC Warning This equipment is intended for use in a laboratory test environment only It gen erates uses and can radiate radio frequency energy and has not been tested for compliance with the limits of computing devices pursuant to subpart J of part 15 of FCC rules which are designed to provide reasonable protection against radio frequency interference Operation of this...

Page 6: ...nents that can potentially be damaged by electrostatic discharge Always transport and store the EVM in its supplied ESD bag when not in use Handle using an antistatic wristband Operate on an antistatic work surface For more information on proper handling refer to SSYA008 ...

Page 7: ... Bill of Materials 3 3 4 bq2083 bq29311 Circuit Module Performance Specification Summary 4 1 5 EVM Hardware and Software Setup 5 1 5 1 Software Installation 5 2 5 2 Hardware Connection 5 2 5 2 1 Connecting the bq2083 bq29311EVM 001 Circuit Module to a Battery Pack 5 2 5 2 2 PC Interface Connection 5 2 6 Operation 6 1 6 1 Starting the Program 6 2 6 2 Setting Programmable bq2083 and bq29311 Options ...

Page 8: ...en 6 2 6 2 SBS Data Screen Status Bit Window 6 3 6 3 Flash Data Screen 6 4 6 4 SBS Data Screen AFE Configuration and Module Calibration Locations 6 5 6 5 Calibration Screen 6 6 6 6 Pro Screen 6 7 1 1 Ordering Information 1 2 3 1 bq2083EVM 001 Bill of Materials 3 3 4 1 Performance Specification Summary 4 1 5 1 Circuit Module to EV2200 Connections 5 3 6 1 Example Log File 6 3 ...

Page 9: ...rforms cell balancing monitors critical parameters protects the cells from overcharge over discharge short circuit and overcurrent in 3 or 4 series cell Li Ion or Li Polymer battery packs The circuit module connects directly across the cells in a battery With the EV2200 interface board and software the user can read the bq2083 data registers program the chipset for different pack configurations lo...

Page 10: ...nterface board for easy evaluation Software that allows data logging for system analysis 1 2 Kit Contents bq2083 bq29311 circuit module Sense resistor EV2200 PC interface board Set of evaluation software disks entitled EV2200 83 PC serial cable Set of support documentation 1 3 Ordering Information Table 1 1 Ordering Information EVM Part Number Chemistry Configuration Capacity bq2083EVM 001 Li Ion ...

Page 11: ...otection IC and all other components necessary to accurately predict the capacity of 3 or 4 series cells Contacts on the circuit module provide direct connection to the cells BAT 1P 2P 3P BAT and the serial communications port SMBC SMBC The system load and charger connect across PACK and PACK The SAFE output reflects the state of the safety output from the bq2083 and has extra ESD protection just ...

Page 12: ...f first bottom cell 2P ve connection of second cell 3P ve connection of third cell BAT ve connection of fourth top cell SMBC Serial communication port clock SMBD Serial communication data port SAFE bq2083 safety output PACK Pack negative terminal VSS Pack negative terminal PACK Pack positive terminal ...

Page 13: ...it Module Schematic 2 3 bq2083 bq29311 Based Circuit Module and Schematic 2 2 bq2083 bq29311 Circuit Module Schematic The schematic shows the circuit for the bq2083 bq29311 implementation Figure 2 1 bq2083EVM 001 Schematic ...

Page 14: ...2 4 ...

Page 15: ... Module Physical Layouts and Bill of Materials This chapter contains the board layout and assembly drawings for the bq2083 bq29311circuit module Topic Page 3 1 Board Layout 3 2 3 2 Bill of Materials 3 3 Chapter 3 ...

Page 16: ...Board Layout 3 2 3 1 Board Layout Figure 3 1 shows the dimensions PCB layers and assembly drawing for the bq2083 bq29311 module Figure 3 1 bq2083EVM 001 Layout ...

Page 17: ...16 V X7R 603 Any 1 D1 Diode dual ultra fast series BAV99 200 mA 70 V SOT23 Fairchild BAV99 4 D2 D4 D5 D7 Diode LED green gullwing GW Type 20 mA 7 5 mcd typ SMT Panasonic LN1361C 3 D3 D6 D8 Diode Zener 5 6 V 350 mW SOT23 Diodes Inc BZX84C5v6T 4 J1 J2 J3 J4 Terminal Block 3 pin 6 A 3 5 mm TH OST ED1515 3 Q1 Q2 Q3 MOSFET P channel 30 V 8 0 A 20 mΩ S08 Siliconix Si4435DY 11 R1 R2 R3 R4 R5 R18 R26 R27 ...

Page 18: ... Resistor chip 300 Ω 1 W 5 2512 Vishay Dale CRCW2512LR301 1 RT1 Thermistor 10 kΩ 8 5 A trip 2 6 W TH SEMTIC 103AT 1 SW1 Switch push button momentary N O low profile TH Panasonic EVQPLHA15 1 TP1 Jack test point clr TH Farnell 240 333 1 U1 IC bq29311pw 24TSSOP TI bq29311PW 1 U2 IC Advanced Gas Gauge bq2083DBT 38TSSOP TI bq2083DBT 1 Y1 Crystal 32 768 kHz 7 12 pF capacitance SMT Epson or KDS FC2550000...

Page 19: ...le Table 4 1 gives the performance specifications of the circuit Table 4 1 Performance Specification Summary Specification Min Typ Max Units Input Voltage Pack to Pack 6 0 25 V Charge and Discharge Current See Note A Note Maximum currents are determined by the value of the sense resistor used and the short circuit threshold setting of the bq29311 Chapter 4 ...

Page 20: ...4 2 ...

Page 21: ...nd Software Setup This section describes how to install the bq2083EVM 001 PC software and how to connect the different components of the EVM Topic Page 5 1 Software Installation 5 2 5 2 Hardware Connection 5 2 Chapter 5 ...

Page 22: ...C 5 2 1 Connecting the bq2083 bq29311 Circuit Module to a Battery Pack Figure 5 1 shows how to connect the bq2083 bq29311circuit module to the cells and system load charger The cells should be connected in the following order 4 Cell Pack BAT BAT 1P 2P and then 3P see Section 2 1 for definitions 3 Cell Pack BAT BAT 1P 2P and then connect BAT and 3P together Figure 5 1 bq2083 bq29311 Circuit Module ...

Page 23: ...oftware Setup Table 5 1 Circuit Module to EV2200 Connections bq2083 bq29311 Based Battery EV2200 SMBD SMBD HDQ1 SMBC SMBC HDQ2 VSS VSS 2 Connect the PC serial cable to the EV2200 and the PC COM port The bq2083EVM 001 is now set up for operation ...

Page 24: ...5 4 ...

Page 25: ... of the EV2200 83 software Topic Page 6 1 Starting the Program 6 2 6 2 Setting Programmable bq2083 and bq29311 Options 6 4 6 3 Calibration of a bq2083 bq29311 Based Module Using the EV2200 83 Software 6 6 6 4 Direct Access Communication 6 7 Chapter 6 ...

Page 26: ...reen as seen pointing to Charging Current in Figure 6 1 To disable the scan feature select Options Scan Off Figure 6 1 SBS Data Screen This screen shows the SBS data set along with additional ManufacturersAccess command information such as individual cell measurements Static data is shown in a box at the bottom right which by clicking on the Status button changes to show the status bits of the bq2...

Page 27: ...ion 1 0 0 Texas Instruments bq2083 Gas Gauge 8 28 2002 20 08 Design Capacity 3600 Design Voltage 10800 Specification Info 31 Mfg Date yyyy mm dd 2002 02 15 Serial Number 1 Mfr Name Texas Instruments Device Name bq2083 Device Chemistry LION Sample Stamp Elapsed s Temp Voltage Current AvgCurr RSOC RemCap 1 8 09 09 PM 10 30 05 11922 1438 1195 64 2295 2 8 09 19 PM 21 30 25 11926 1402 1286 64 2300 3 8 ...

Page 28: ...ettings can be configured using the Flash Data Screen Figure 6 3 Flash Data Screen To read all the data from the bq2083 data flash click on Read All To read only a selected location click on the desired location and the Read Selected Location button is activated When this button is clicked the data is read and the screen is updated The same procedure can be followed for the writing of all the data...

Page 29: ...to be preserved the Write All Preserve Calibration button should be used The configuration information of the bq29311 and module calibration data is also held in the bq2083 data flash as highlighted below Figure 6 4 SBS Data Screen AFE Configuration and Module Calibration Locations AFE Configuration Data Calibration Data ...

Page 30: ...e allows the board offset to be measured An average of several modules should be taken and then this value entered in all like modules The calibration screen offers a simple to use interface for this procedure Follow the screen down and the instructions that are present Click Start to begin the test and further instructions appear for that particular calibration procedure until it is complete Figu...

Page 31: ...tion 6 7 Operation 6 4 Direct Access Communication The bq2083 allows access to the various internal registers through the Pro screen Here individual byte or block reads and block writes can be performed Figure 6 6 Pro Screen ...

Page 32: ...6 8 ...

Page 33: ...Mouser Electronics Authorized Distributor Click to View Pricing Inventory Delivery Lifecycle Information Texas Instruments BQ2083EVM 001 ...

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