BQ40Z50EVM-561

BQ40Z50EVM-561

  • 厂商:

    BURR-BROWN(德州仪器)

  • 封装:

    Module

  • 描述:

    该评估模块是用于bq40z50或bq296000电池管理系统的完整评估系统。评估模块包括一个bq40z50和bq296000电路模块,以及一个与基于Microsoft Windows的PC软件的链接。...

  • 数据手册
  • 价格&库存
BQ40Z50EVM-561 数据手册
User's Guide SLUUAV7B – December 2013 – Revised September 2016 bq40z50EVM Li-Ion Battery Pack Manager Evaluation Module This evaluation module (EVM) is a complete evaluation system for the bq40z50 or bq296000 battery management system. The EVM includes one bq40z50 and bq296000 circuit module and a link to Microsoft® Windows® based PC software. The circuit module includes one bq40z50 integrated circuit (IC), one bq296000 IC, and all other onboard components necessary to monitor and predict capacity, perform cell balancing, monitor critical parameters, protect the cells from overcharge, over-discharge, short-circuit, and overcurrent in 1-, 2-, 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 EV2300 or EV2400 interface board and software, the user can read the bq40z50 data registers, program the chipset for different pack configurations, log cycling data for further evaluation, and evaluate the overall functionality of the solution under different charge and discharge conditions. 1 2 3 4 5 6 7 Contents Features ....................................................................................................................... 2 1.1 Kit Contents.......................................................................................................... 2 1.2 Ordering Information ............................................................................................... 2 1.3 Documentation ...................................................................................................... 2 1.4 bq40z50 and bq296000 Circuit Module Performance Specification Summary ............................. 2 bq40z50EVM Quick Start Guide ........................................................................................... 3 2.1 Items Needed for EVM Setup and Evaluation .................................................................. 3 2.2 Software Installation ................................................................................................ 3 2.3 EVM Connections ................................................................................................... 3 2.4 Update Firmware.................................................................................................... 5 Battery Management Studio ................................................................................................ 6 3.1 Registers Screen.................................................................................................... 6 3.2 Setting Programmable bq40z50 Options ........................................................................ 6 3.3 Calibration Screen .................................................................................................. 7 3.4 Chemistry Screen ................................................................................................... 9 3.5 Firmware Screen .................................................................................................. 10 3.6 Advanced Comm SMB Screen .................................................................................. 11 bq40z50EVM Circuit Module Schematic ................................................................................ 12 4.1 Pre-Charge ......................................................................................................... 12 4.2 LED Control ........................................................................................................ 12 4.3 Emergency Shutdown ............................................................................................ 12 4.4 Testing Fuse-Blowing Circuit .................................................................................... 12 4.5 PTC Thermistor ................................................................................................... 13 Circuit Module Physical Layouts ......................................................................................... 14 5.1 Board Layout ....................................................................................................... 14 5.2 Schematic .......................................................................................................... 17 Bill of Materials ............................................................................................................. 18 Related Documentation from Texas Instruments ...................................................................... 19 List of Figures 1 bq40z50 Circuit Module Connection to Cells and System Load or Charger ......................................... 4 2 Cell Connection Configuration ............................................................................................. 4 3 Registers Screen ............................................................................................................ SLUUAV7B – December 2013 – Revised September 2016 Submit Documentation Feedback bq40z50EVM Li-Ion Battery Pack Manager Evaluation Module Copyright © 2013–2016, Texas Instruments Incorporated 6 1 Features www.ti.com 4 Data Flash Screen ........................................................................................................... 7 5 Calibration Screen ........................................................................................................... 7 6 Chemistry Screen ............................................................................................................ 9 7 Firmware Screen ........................................................................................................... 10 8 Advanced Comm Screen.................................................................................................. 11 9 Fuse Trace Modifications 10 11 12 13 14 15 16 17 ................................................................................................. Top Silk Screen............................................................................................................. Bottom Silk Screen ......................................................................................................... Top Assembly............................................................................................................... Bottom Assembly ........................................................................................................... Top Layer ................................................................................................................... Internal Layer 1 ............................................................................................................. Internal Layer 2 ............................................................................................................. Bottom Layer ................................................................................................................ 12 14 14 14 15 15 15 16 16 Trademarks Impedance Track is a trademark of Texas Instruments. Microsoft, Windows are registered trademarks of Microsoft Corporation. 1 Features • • • 1.1 Kit Contents • • 1.2 Complete evaluation system for the bq40z50EVM Li-Ion Battery Pack Manager Evaluation Module and bq296000 independent overvoltage protection IC Populated circuit module for quick setup Software that allows data logging for system analysis bq40z50 and bq296000 circuit module Cable to connect the EVM to an EV2300 or EV2400 communications interface adapter Ordering Information For complete ordering information, see the product page at www.ti.com. Table 1. Ordering Information 1.3 EVM PART NUMBER CHEMISTRY CONFIGURATION CAPACITY bq40z50EVM-561 Li-ion 1-, 2-, 3-, or 4-cell Any Documentation See the device data sheets for bq40z50 and bq296000 and technical reference manuals (TRMs) on www.ti.com for information on device firmware and hardware. 1.4 bq40z50 and bq296000 Circuit Module Performance Specification Summary This section summarizes the performance specifications of the bq40z50 and bq296000 EVM. Table 2. Performance Specification Summary Specification 2 Minimum Typical Maximum Input voltage Pack+ to Pack– 3 15 26 V Charge and discharge current 0 2 7 A bq40z50EVM Li-Ion Battery Pack Manager Evaluation Module Units SLUUAV7B – December 2013 – Revised September 2016 Submit Documentation Feedback Copyright © 2013–2016, Texas Instruments Incorporated bq40z50EVM Quick Start Guide www.ti.com 2 bq40z50EVM Quick Start Guide This section provides the step-by-step procedures required to use a new EVM and configure it for operation in a laboratory environment. 2.1 Items Needed for EVM Setup and Evaluation • • • • • • • • 2.2 bq40z50 or bq296000 circuit module EV2300 or EV2400 communications interface adapter Cable to connect the EVM to an EV2300 or EV2400 communications interface adapter USB cable to connect the communications interface adapter to the computer Computer setup with Windows XP, or higher, operating system Access to the Internet to download the Battery Management Studio software setup program One-to-four battery cells or 1-kΩ resistors to configure a cell simulator A DC power supply that can supply 16.8 V and 2 A (constant current and constant voltage capability is desirable) Software Installation Find the latest software version in the bq40z50 tool folder on www.ti.com. Use the following steps to install the bq40z50 Battery Management Studio software: 1. Download and run the Battery Management Studio setup program from the Development Tools section of the bq40z50EVM product folder on www.ti.com. See Section 3 for detailed information on using the tools in the Battery Management Studio. 2. If the communications interface adapter was not previously installed, after the Battery Management Studio installation, a TI USB driver installer pops up. Click “Yes” for the agreement message and follow its instructions. Two drivers are associated with the EV2300 and an additional file may be required for the EV2400. Follow the instructions to install both. Do not reboot the computer, even if asked to do so. 3. Plug the communications interface adapter into a USB port using the USB cable. The Windows system may show a prompt that new hardware has been found. When asked, "Can Windows connect to Windows Update to search for software?", select "No, not this time", and click "Next". In the next dialog window, it indicates "This wizard helps you install software for: TI USB Firmware Updater". Select "Install the software automatically (Recommended)" and click "Next". It is common for the next screen to be the Confirm File Replace screen. Click "No" to continue. If this screen does not appear, then go to the next step. After Windows indicates that the installation was finished, a similar dialog window pops up to install the second driver. Proceed with the same installation preference as the first one. The second driver is TI USB bq80xx Driver. 2.3 EVM Connections This section covers the hardware connections for the EVM. See Figure 1. SLUUAV7B – December 2013 – Revised September 2016 Submit Documentation Feedback bq40z50EVM Li-Ion Battery Pack Manager Evaluation Module Copyright © 2013–2016, Texas Instruments Incorporated 3 bq40z50EVM Quick Start Guide www.ti.com EV2300 PACK– SYS PRES PACK+ SMBC VSS – + SMBD Load/Charger Figure 1. bq40z50 Circuit Module Connection to Cells and System Load or Charger • Direct connection to the cells: 1N (BAT–), 1P, 2P, 3P, 4P (BAT+) Attach the cells to the J1 and J5 terminal block. A specific cell connection sequence is not required; although, it is good practice to start with lowest cell in the stack (cell 1), then attach cells 2 through 4 in sequence. The U1 and U2 devices should not be damaged by other cell connection sequences, but there is a possibility that the bq296000 could blow the fuse. Attaching cells starting with cell 1 should eliminate this risk. A short should be placed across unused voltage sense inputs. See Figure 2. Number of Cells 1 2 3 4 1N ‐cell1+ ‐cell1+ ‐cell1+ ‐cell1+ J1 and J5 Terminal Block Connections 1P 2P 3P short short ‐cell2+ short ‐cell2+ ‐cell3+ ‐cell2+ ‐cell3+ 4P short short short ‐cell4+ Figure 2. Cell Connection Configuration • • • 4 A resistor cell simulator can be used instead of battery cells. Connect a resistor between each of the contacts on the J1 or J5 connector. For example, from 1N to 1P, from 1P to 2P, and so forth, until the desired number of cells has been achieved. A power supply can provide power to the cell simulator. Set the power supply to the desired cell voltage × the number of cells and attach the ground wire to 1N and the positive wire to 4P. For example, for a 3S configuration with a 3.6-V cell voltage, set the power supply to 3 × 3.6 = 10.8 V. Serial communications port (SMBC, SMBD) Attach the communications interface adapter cable to J2 and to the SMB port on the EV2300. System load and charger connections across PACK+ and PACK– Attach the load or power supply to the J3 or J4 terminal block. The positive load or power supply wire should be connected to at least one of the first two terminal block positions labeled PACK+. The ground wire for the load or power supply should be connected to the last terminal block positions labeled PACK–. System-present pin (SYS PRES) To start charge or discharge test, connect the SYS PRES position on the J3 terminal block to PACK–. bq40z50EVM Li-Ion Battery Pack Manager Evaluation Module SLUUAV7B – December 2013 – Revised September 2016 Submit Documentation Feedback Copyright © 2013–2016, Texas Instruments Incorporated bq40z50EVM Quick Start Guide www.ti.com • • 2.4 The SYS PRES can be left open if the non-removable (NR) bit is set to 1 in the Pack Configuration A register. To test sleep mode, disconnect the SYS PRES pin. Wake-up the device up from shutdown (WAKE) Press the Wake pushbutton switch to temporarily connect Bat+ to Pack+. This applies voltage to the PACK pin on the bq40z50 to power-up the regulators and start the initialization sequence. Parameter setup The default data flash settings configure the device for 3-series Li-Ion cells. The user should change the | Data Flash | Settings | DA Configuration register to set up the number of series cells to match the physical pack configuration. This provides basic functionality to the setup. Other data flash parameters should also be updated to fine tune the gauge to the pack. See the bq40z50 TRM for help with setting the parameters. Update Firmware Find the latest firmware version in the appropriate bq40z50 folder on www.ti.com. Use the following steps to install the bq40z50 Battery Management Studio software: 1. Run Battery Management Studio from the Start | Programs | Texas Instruments | Battery Management Studio menu sequence, or the Battery Management Studio shortcut. 2. Follow the directions in Section 3.5, select the firmware .srec file downloaded from www.ti.com, and click the Program button. 3. Once programming is finished, the EVM is ready to use with the latest firmware. SLUUAV7B – December 2013 – Revised September 2016 Submit Documentation Feedback bq40z50EVM Li-Ion Battery Pack Manager Evaluation Module Copyright © 2013–2016, Texas Instruments Incorporated 5 Battery Management Studio www.ti.com 3 Battery Management Studio 3.1 Registers Screen Run Battery Management Studio from the Start | Programs | Texas Instruments | Battery Management Studio menu sequence, or the Battery Management Studio shortcut. The Registers screen (see Figure 3) appears. The Registers section contains parameters used to monitor gauging. The Bit Registers section provides bit level picture of status and fault registers. A green flag indicates that the bit is 0 (low state) and a red flag indicates that the bit is 1 (high state). Data begins to appear once the Refresh (single-time scan) button is selected, or it scans continuously if the Scan button is selected. Figure 3. Registers Screen The continuous scanning period can be set via the | Window | Preferences | SBS | Scan Interval | menu selections. The Battery Management Studio program provides a logging function which logs the values that are selected by the Log check boxes located beside each parameter in the Register section. To enable this function, select the Log button; this causes the Scan button to be selected. When logging is stopped, the Scan button is still selected and has to be manually deselected. 3.2 Setting Programmable bq40z50 Options The bq40z50 data flash comes configured per the default settings detailed in the bq40z50 TRM. Ensure that the settings are correctly changed to match the pack and application for the solution being evaluated. NOTE: The correct setting of these options is essential to get the best performance. The settings can be configured using the Data Flash screen (see Figure 4). 6 bq40z50EVM Li-Ion Battery Pack Manager Evaluation Module SLUUAV7B – December 2013 – Revised September 2016 Submit Documentation Feedback Copyright © 2013–2016, Texas Instruments Incorporated Battery Management Studio www.ti.com Figure 4. Data Flash Screen 3.3 Calibration Screen The voltages, temperatures, and currents should be calibrated to provide good gauging performance. Press the Calibration button to select the Advanced Calibration window. See Figure 5. Figure 5. Calibration Screen SLUUAV7B – December 2013 – Revised September 2016 Submit Documentation Feedback bq40z50EVM Li-Ion Battery Pack Manager Evaluation Module Copyright © 2013–2016, Texas Instruments Incorporated 7 Battery Management Studio 3.3.1 • • • • • 3.3.2 3.3.3 www.ti.com Voltage Calibration Measure the voltage from Cell 1 to 1N and enter this value in the Applied Cell 1 Voltage field and select the Calibrate Voltage box. Measure the voltage from Bat+ to Bat– and enter this value in the Applied Battery Voltage field and select the Calibrate Battery Voltage box. Measure the voltage from Pack+ to Pack– and enter this value in the Applied Pack Voltage field and select the Calibrate Pack Voltage box. If the voltage is not present, then turn the charge and discharge FETs on by entering a 0x0022 command in the Manufacturer Access register on the Register screen. Press the Calibrate Gas Gauge button to calibrate the voltage measurement system. Deselect the Calibrate Voltage boxes after voltage calibration has completed. Temperature Calibration • Enter the room temperature in each of the Applied Temperature fields and select the Calibrate box for each thermistor to be calibrated. The temperature values must be entered in degrees Celsius. • Press the Calibrate Gas Gauge button to calibrate the temperature measurement system. • Deselect the Calibrate boxes after temperature calibration has completed. Current Calibration The Board Offset calibration option is not offered in Battery Management Studio, because it is not required when using the bq40z50EVM. The Board Offset calibration option is available in bqProduction. • Connect and measure a 2-A current source from 1N (–) and Pack– (+) to calibrate without using the FETs. (TI does not recommend calibration using the FETs.) • Enter –2000 in the Applied Current field and select the Calibrate Current box. • Press the Calibrate Gas Gauge button to calibrate. • Deselect the Calibrate Current box after current calibration has completed. NOTE: Current can also be calibrated using the FETs. Measure the current in the discharge path and enter this value in the Applied Current field. 8 bq40z50EVM Li-Ion Battery Pack Manager Evaluation Module SLUUAV7B – December 2013 – Revised September 2016 Submit Documentation Feedback Copyright © 2013–2016, Texas Instruments Incorporated Battery Management Studio www.ti.com 3.4 Chemistry Screen The chemistry file contains parameters that the simulations use to model the cell and its operating profile. It is critical to program a Chemistry ID that matches the cell into the device. Some of these parameters can be viewed in the Data Flash section of the Battery Management Studio. Press the Chemistry button to select the Chemistry window. Figure 6. Chemistry Screen • • • The table can be sorted by clicking the desired column. for example: Click the Chemistry ID column header. Select the ChemID that matches your cell from the table (see Figure 6). Press the Update Chemistry in the Data Flash button to update the chemistry in the device. SLUUAV7B – December 2013 – Revised September 2016 Submit Documentation Feedback bq40z50EVM Li-Ion Battery Pack Manager Evaluation Module Copyright © 2013–2016, Texas Instruments Incorporated 9 Battery Management Studio 3.5 www.ti.com Firmware Screen Press the Firmware button to select the Firmware Update window. This window allows the user to export and import the device firmware. Figure 7. Firmware Screen 3.5.1 Programming the Flash Memory The upper section of the Firmware screen is used to initialize the device by loading the default .srec into the flash memory (see Figure 7). • Search for the .srec file using the Browse button. • Select the Execute after programming box to automatically return the device to Normal mode after programming has completed. • Press the Program button and wait for the download to complete. 3.5.2 Exporting the Flash Memory The lower section of the Firmware screen is used to export all of the flash memory from the device (see Figure 7). • Press the Browse button and enter an .srec filename. • Press the Read Srec to save the flash memory contents to the file. Wait for the download to complete. 10 bq40z50EVM Li-Ion Battery Pack Manager Evaluation Module SLUUAV7B – December 2013 – Revised September 2016 Submit Documentation Feedback Copyright © 2013–2016, Texas Instruments Incorporated Battery Management Studio www.ti.com 3.6 Advanced Comm SMB Screen Press the Advanced Comm SMB button to select the Advanced SMB Comm window. This tool provides access to parameters using SMB and Manufacturing Access commands. See Figure 8. Figure 8. Advanced Comm Screen Examples: Reading an SMB Command. • Read SBData Voltage (0x09) – SMBus Read Word. Command = 0x09 – Word = 0x3A7B, which is hexadecimal for 14971 mV Sending a MAC Gauging() to enable IT via ManufacturerAccess(). • With Impedance Track™ disabled, send Gauging() (0x0021) to ManufacturerAccess(). – SMBus Write Word. Command = 0x00. Data = 00 21 Reading Chemical ID() (0x0006) via ManufacturerAccess() • Send Chemical ID() to ManufacturerAccess() – SMBus Write Word. Command = 0x00. Data sent = 00 06 • Read the result from ManufacturerData() – SMBus Read Block. Command = 0x23. Data read = 00 01 – That is 0x0100, chem ID 100 SLUUAV7B – December 2013 – Revised September 2016 Submit Documentation Feedback bq40z50EVM Li-Ion Battery Pack Manager Evaluation Module Copyright © 2013–2016, Texas Instruments Incorporated 11 bq40z50EVM Circuit Module Schematic 4 www.ti.com bq40z50EVM Circuit Module Schematic This section contains information on modifying the EVM and using various features on the reference design. 4.1 Pre-Charge The EVM provides a power resistor and FET to support a reduced current pre-charge path to charge the pack when cell voltages are below the pre-charge voltage threshold. This reduces heating that could lead to cell damage or reduced operating lifetime. The resistor (R1) is set up to limit the current to less than 40 mA for a 4S configuration. The user can change R1 to setup the pre-charge current to a different value. 4.2 LED Control The EVM is configured to support five LEDs to provide state-of-charge information for the cells. The LED interface is enabled by entering a 0x0027 command in the Manufacturing Access register on the Registers screen. Press the LED DISPLAY button to illuminate the LEDs for approximately 5 seconds. 4.3 Emergency Shutdown The Emergency Shutdown function allows the user to disable the charge and discharge FETs with an external GPIO pin. The EMSHUT and NR bits must be set high in the DA Configuration register to enable this feature. Press the SHUTDOWN pushbutton switch for one second to disable these FETs, and press it again for one second to enable them. NOTE: Remember to remove the SYS PRES-to-PACK– short, if present. 4.4 Testing Fuse-Blowing Circuit To prevent the loss of board functionality during the fuse-blowing test, the actual chemical fuse is not provided on the EVM. FET Q5 drives the FUSE test point low if a fuse-blow condition occurs. FUSE is attached to an open drain FET, so a pull-up resistor is required to check whether the FUSE pulls low. A FUSEPIN test point is attached to the gate of Q5; so, monitoring FUSEPIN can be used to test this condition without adding a pull-up resistor. Fuse placement on the application board is shown in the bq40z50 data sheet. A chemical fuse can also be soldered to the EVM for in-system testing. A copper bridge is included on the PCB to bypass the chemical fuse, so it has to be cut to allow the fuse to open the power path. The cut is illustrated in yellow on Figure 9 with arrows pointing to the location. Cut Copper here. Top Layer Bottom Layer Figure 9. Fuse Trace Modifications 12 bq40z50EVM Li-Ion Battery Pack Manager Evaluation Module SLUUAV7B – December 2013 – Revised September 2016 Submit Documentation Feedback Copyright © 2013–2016, Texas Instruments Incorporated bq40z50EVM Circuit Module Schematic www.ti.com 4.5 PTC Thermistor The PTC interface is designed to work with a specific PTC thermistor. The thermistor must have a 10-kΩ typical resistance over the normal operating temperature range and the resistance must be greater than 1.2 MΩ at the PTC trip temperature. The muRata PRF18BA103QB1RB thermistor will work with this device. The EVM has a 10-kΩ resistor installed on the PTC footprint. The PTC function can be disabled by connecting PTC and PTCEN to VSS. SLUUAV7B – December 2013 – Revised September 2016 Submit Documentation Feedback bq40z50EVM Li-Ion Battery Pack Manager Evaluation Module Copyright © 2013–2016, Texas Instruments Incorporated 13 Circuit Module Physical Layouts 5 www.ti.com Circuit Module Physical Layouts This section contains the printed-circuit board (PCB) layout, assembly drawings, and schematic for the bq40z50 and bq296000 circuit modules. 5.1 Board Layout This section shows the dimensions, PCB layers (see through Figure 17), and assembly drawing for the bq40z50 modules. Figure 10. Top Silk Screen Figure 11. Bottom Silk Screen Figure 12. Top Assembly 14 bq40z50EVM Li-Ion Battery Pack Manager Evaluation Module SLUUAV7B – December 2013 – Revised September 2016 Submit Documentation Feedback Copyright © 2013–2016, Texas Instruments Incorporated Circuit Module Physical Layouts www.ti.com Figure 13. Bottom Assembly 4250 mil 1250 mil Figure 14. Top Layer 4250 mil 1250 mil Figure 15. Internal Layer 1 SLUUAV7B – December 2013 – Revised September 2016 Submit Documentation Feedback bq40z50EVM Li-Ion Battery Pack Manager Evaluation Module Copyright © 2013–2016, Texas Instruments Incorporated 15 Circuit Module Physical Layouts www.ti.com 4250 mil 1250 mil Figure 16. Internal Layer 2 4250 mil 1250 mil Figure 17. Bottom Layer 16 bq40z50EVM Li-Ion Battery Pack Manager Evaluation Module SLUUAV7B – December 2013 – Revised September 2016 Submit Documentation Feedback Copyright © 2013–2016, Texas Instruments Incorporated Circuit Module Physical Layouts www.ti.com 5.2 Schematic C1 C2 0.1 µF 0.1 µF 4P R1 3 2 Q1 FDN358P 1 300 F1 PACK+ 2 3 2 1 R2 10M R3 Q3 Si7114DN Q2 Si7114DN 10M 4 SFDxxxx 4 3 5 1 2 3 2 DNP 5 FUSE 1 R5 Q4 2N7002K 1 3 1 Wake 1 R4 10M 4P Q5 Si1414DH 7 VSS PWPD 6 9 R8 R9 R10 5.1K 100 5.1K DSG R6 C3 51K R33 5.1 R12 1 REG CHGND R7 5.1K 10K 0.1 µF CHG TP11 1 R14 3 1 C4 0.1 µF 8 4 R13 1K OUT 1 U2 1 VDD 2 V4 3 V3 4 V2 5 V1 S1 3 FUSEPIN 1 6 100 PACK+ 10K 5 2 1 R11 R32 10K P 0.1 µF C6 R15 0.1 µF C9 0.1 µF R18 R17 5.1K 5.1K RT1 0.1 µF C8 0.1 µF 10K BAT GND C10 0.1 µF 2 BAT VCC 25 BAT J4 1 2 FUSE 26 28 29 30 31 27 PACK DSG NC PWPD 0.1 µF CHG C11 PCHG 1 33 1 BAT GND 1K R16 32 1K C12 AGND C7 0.47µF BAT 4P C5 1 1K BQ296100DSGT 1 2 3 RT4 RT5 10K 10K 10K C19 DNP DNP 100 GND GND 1 1 2 GND SIDE 2 GND SIDE 1 1 SMBD SMBC 1 100 1 SHUTDOWN 0.1 µF C20 R31 DNP GND DNP 100 2001 2DNP S3 GND C21 DNP DNP 4 SMBC J6 C18 R30 100 R27 3 SMBD 2 SMBC 1 VSS J2 CHGND R28 R29 200 1K D2 D3 D4 CHGND GND GND SIDE RT3 10K 200 R26 MM3Z5V6C RT2 R25 SMBD 1 GND R24 S2 LED DISPLAY GND TP12 1 1 1 ND SM BC 1 TS4 NC 15 14 13 SRN 1 SRP GND GND 1 NT1 Net-Tie CHGND LED2 SMBD 1 1 12 9 1 TS3 TP3 100 TS2 100 GND R23 VSS 1 2 SMBC 19 D9 LED5 J3 D8 D7 LED1 1 100 R22 3 LEDCNTLA 2 R21 TS1 100 21 20 SMBD 18 DISP 17 11 2 0.1 µF 3 D6 LED4 22 LEDCNTLB 7 NC 8 SRP C17 10 R20 23 BTP_INT 16 PRESorSHUTDN 0.1 µF 1 PTC D5 LED3 GND SIDE 2 C16 PTCEN 24 LEDCNTLC BQ40Z50RSM-R1 5 VC1 6 SRN C15 0.1 µF 1 U1 3 VC3 4 VC2 C14 0.1 µF 2.2 µF 1 PBI 2 VC4 MM3Z5V6C C13 MM3Z5V6C D1 BAT54HT1G CHGND GND R19 GND 0.001 1 IC ground should be connected to the 1N cell tab. 2 Place RT1 close to Q2 and Q3. 3 Replace D1 and R9 with a 10 ohm resistor for Single cell applications SLUUAV7B – December 2013 – Revised September 2016 Submit Documentation Feedback bq40z50EVM Li-Ion Battery Pack Manager Evaluation Module Copyright © 2013–2016, Texas Instruments Incorporated 17 Bill of Materials 6 Bill of Materials COUNT 18 www.ti.com RefDes Value Description Size Part Number MFR 16 C1-6, C8-12, C14-18 0.1 µF Capacitor, Ceramic Chip, 50 V, X7R, 20% 0603 C0603C104M5RACTU Kemet 1 C7 0.47 µF Capacitor, Ceramic, 0.47 µF, 10 V, X5R, 10% 0603 C0603C474K8PACTU Kemet 1 C13 2.2 µF Capacitor, Ceramic, 25 V, X7R, 20% 0805 C2012X7R1E225M085AB 0 C19-21 DNP Capacitor, Ceramic, 50 V, X7R, 20% 0603 C0603C104M5RACTU 1 D1 BAT54HT1G Diode, Schottky, 200-mA, 30-V SOD323 BAT54HT1G On Semi 3 D2-4 MM3Z5V6C Diode, Zener, 5.6V, 200mW SOD323 MM3Z5V6C Fairchild 5 D5-9 SML-X23GC LED 2x3mm 565nm GRN WTR CLR SMD 1206 SML-X23GC Lumex 0 F1 DNP Fuse, Slo-Blo Ceramic, xxA, yyyV 1 R1 300 Resistor, Chip, 1W, 5% 2512 CRCW2512300RJNEG Vishay-Dale 3 R2-3, R5 10M Resistor, Chip, 1/10-W, 5% 0603 CRCW060310M0JNEA Vishay-Dale 3 R4, R12, R32 10K Resistor, Chip, 1/10-W, 5% 0603 CRCW060310K0JNEA Vishay-Dale 1 R6 51K Resistor, Chip, 1/16-W, 5% 0603 CRCW060351K0JNEA Vishay-Dale 5 R7-8, R10, R16-17 5.1K Resistor, Chip, 1/10-W, 5% 0603 CRCW06035K10JNEA Vishay-Dale 10 R9, R11, R20-23, R25, R27, R30-31 100 Resistor, Chip, 1/10-W, 5% 0603 CRCW0603100RJNEAHP Vishay-Dale 5 R13-15 R18 R29 Vishay-Dale 1 R19 3 R24, R26, R28 1 R33 2 J1, J4 1 J2 2 J3, J5 0 SFDxxx SFDxxxx TDK Kemet Sony 1K Resistor, Chip, 1/10-W, 5% 0603 CRCW06031K00JNEA 0.001 50ppm Resistor, Chip, 1 watt, ± 1% 1206 CSR1206-0R001F1 200 Resistor, Chip, 1/16-W, 5% 0603 CRCW0603200RJNEA Vishay-Dale 5.1 Resistor, 5.1, 0.063 W, 5%, 0402 0402 CRCW04025R10JNED Vishay-Dale ED555/2DS Terminal Block, 2-pin, 6-A, 3.5mm 0.27 x 0.25 inch ED555/2DS OST 22-05-3041 Header, Friction Lock Ass'y, 4-pin Right Angle, 0.400 x 0.500 inch 22-05-3041 Molex ED555/3DS Terminal Block, 3-pin, 6-A, 3.5mm 0.41 x 0.25 inch ED555/3DS OST J6 Header, TH, 100mil spacing, 2x1, 230 mil above insulator 0.100 inch x PEC02SAAN 2 1 LBL1 Thermal Transfer Printable Labels, 1.250 W x 0.250 H inch - 10,000 per roll 1 RT1 10K Thermistor, NTC, 5 Ω , 1-A 4 RT2-5 10K Thermistor, NTC, 3-A 0.095 X 0.150 inch 103AT-2 3 S1, S2, S3 Switch, Push button, Momentary, 1P1T, 50-mA, 12-V 0.200 x 0.200 inch EVQ-PLHA15 Panasonic 1 TP3 Test Point, Black, Thru Hole Color Keyed 0.100 x 0.100 inch 5001 Keystone 1 Q1 FDN358P Fairchild 2 Q2-3 1 1 EVQ-PLHA15 5001 FDN358P PCB Label 1.250 W x 0.250 H inch 1206 MOSFET, Pch, -30V, -1.5A, 125 mΩ SOT23 THT-13-457-10 CRCW120610K0JNEA Riedon Sullins Brady Vishay Semitec Si7114DN-T1-E3 MOSFET Nch 30V, 11.7A, 7.5 mΩ PWRPAK 1212 Si7114DN-T1-E3 Vishay Q4 2N7002K-T1-E3 MOSFET, Nch, 60V, 300 mA, 2-Ω SOT23 2N7002K-T1-E3 Vishay Q5 Si1414DH-T1-GE3 MOSFET, Nch, 30V, 4A, 46 mΩ SC-70 Si1414DH-T1-GE3 Vishay 1 U1 BQ40Z50RSMR(T)R1 IC, 2- to 4-Series Li-Ion Battery Pack Manager 1 U2 IC, Overvoltage Protection for 2-Series, 3-Series, and 4-Series Cell Li-Ion Batteries with Regulated Output Supply, DSG0008A 1 W1 Cable assembly, 4 pin 1 IPCB Printed Circuit Board bq40z50EVM Li-Ion Battery Pack Manager Evaluation Module QFN DSG0008A BQ40Z50RSMR(T)-R1 TI BQ296103DSGT TI N/A CBL002 TI 4.25 in x 1.25 in PWR561 Any SLUUAV7B – December 2013 – Revised September 2016 Submit Documentation Feedback Copyright © 2013–2016, Texas Instruments Incorporated Related Documentation from Texas Instruments www.ti.com 7 Related Documentation from Texas Instruments • • • bq40z50, 1-Series, 2-Series, 3-Series, and 4-Series Li-Ion Battery Pack Manager data sheet, SLUSBS8 bq40z50 Technical Reference Manual, SLUUA43 bq296000, BQ2960XY/BQ2961XY Overvoltage Protection for 2-Series, 3-Series, and 4-Series Cell LiIon Batteries with Regulated Output Supply, SLUSBU5 Revision History NOTE: Page numbers for previous revisions may differ from page numbers in the current version. Changes from A Revision (July, 2015) to B Revision .................................................................................................... Page • Added Update Firmware section. ....................................................................................................... 5 SLUUAV7B – December 2013 – Revised September 2016 Submit Documentation Feedback Copyright © 2013–2016, Texas Instruments Incorporated Revision History 19 IMPORTANT NOTICE FOR TI DESIGN INFORMATION AND RESOURCES Texas Instruments Incorporated (‘TI”) technical, application or other design advice, services or information, including, but not limited to, reference designs and materials relating to evaluation modules, (collectively, “TI Resources”) are intended to assist designers who are developing applications that incorporate TI products; by downloading, accessing or using any particular TI Resource in any way, you (individually or, if you are acting on behalf of a company, your company) agree to use it solely for this purpose and subject to the terms of this Notice. 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