BQ25910EVM-854

User's Guide SLVUB31A – September 2017 – Revised March 2018 bq25910EVM-854 Evaluation Module This user's guide describes the characteristics, operation, and use of the bq25910 Evaluation Module (EVM). A complete schematic diagram, printed-circuit board layouts, and bill of materials (BOM) are included in this document. 1 2 3 4 Contents Introduction ................................................................................................................... 2 1.1 EVM Features ....................................................................................................... 2 1.2 I/O Descriptions ..................................................................................................... 2 1.3 Recommended Operating Conditions ............................................................................ 4 Test Setup and Results ..................................................................................................... 4 2.1 Equipment ........................................................................................................... 4 2.2 Test Setup ........................................................................................................... 5 Board Layout ................................................................................................................. 9 Schematic and Bill of Materials ........................................................................................... 12 4.1 Schematic .......................................................................................................... 12 4.2 Bill of Materials .................................................................................................... 13 List of Figures 1 bq25910EVM-854 Image ................................................................................................... 2 2 bq25910EVM Setup ......................................................................................................... 5 3 bqStudio Device Tabs ....................................................................................................... 5 4 bq25910 Registers 5 bq25910 WD_RST bit ....................................................................................................... 6 6 bq25910 Watchdog Timer Disable ........................................................................................ 7 7 bq25898D Enable HIZ Mode ............................................................................................... 7 8 bq25910EVM-854 Top Overlay ............................................................................................ 9 9 bq25910EVM-854 Top Solder 10 bq25910EVM-854 Top Layer 11 12 13 14 15 16 17 18 .......................................................................................................... 6 ............................................................................................. 9 .............................................................................................. 9 bq25910EVM-854 Signal Layer 1 ......................................................................................... 9 bq25910EVM-854 Signal Layer 2 ......................................................................................... 9 bq25910EVM-854 Bottom Layer........................................................................................... 9 bq25910EVM-854 Bottom Solder ........................................................................................ 10 bq25910EVM-854 Bottom Overlay ...................................................................................... 10 bq25910EVM-854 Drill Drawing .......................................................................................... 10 bq25910EVM-854 Board Dimensions ................................................................................... 10 bq25910EVM-854 Schematic ............................................................................................. 12 List of Tables 1 Device Data Sheets ......................................................................................................... 2 2 bq25910EVM Ports .......................................................................................................... 3 3 bq25910EVM Jumpers ...................................................................................................... 3 4 bq25910EVM Test Points 5 bq25910EVM Recommended Operating Conditions.................................................................... 4 .................................................................................................. SLVUB31A – September 2017 – Revised March 2018 Submit Documentation Feedback Copyright © 2017–2018, Texas Instruments Incorporated bq25910EVM-854 Evaluation Module 3 1 Introduction 6 1 www.ti.com Bill of Materials ............................................................................................................. 13 Introduction The bq25910 is an integrated three-level switch-mode parallel battery charge management device for single cell Li-ion and Li-polymer batteries. Utilization of the three-level converter reduces solution footprint and volume while maintaining highest switch-mode operation efficiency. This evaluation module includes both the master and parallel chargers: the bq25898D and the bq25910, respectively. The bq25898D is a highly-integrated 4-A switch-mode battery charge management and system power-path device for single cell Li-ion and Li-polymer battery. 1.1 EVM Features The device data sheets, listed in Table 1, provide detailed features and operation. Table 1. Device Data Sheets 1.2 Device Data Sheet bq25910 SLVSDU0 bq25898D SLUSCA6 I/O Descriptions The bq25910EVM available ports and jumpers are described in Table 2 and Table 3. DC Load + Figure 1. bq25910EVM-854 Image NOTE: Do not use sense lines and testpoints on the bq25910EVM to carry large amounts of current. 2 bq25910EVM-854 Evaluation Module SLVUB31A – September 2017 – Revised March 2018 Submit Documentation Feedback Copyright © 2017–2018, Texas Instruments Incorporated Introduction www.ti.com Table 2. bq25910EVM Ports Port Description J1 bq25898D PMID port J2 bq25898D SYS output J3 bq25898D and bq25910 VBUS input J4 Battery connector for both bq25898D and bq25910 J5 I2C Molex connector J6 bq25910 PMID port Table 3. bq25910EVM Jumpers Jumper Default Configuration Description JP1 Pullup selection jumper. Choose between SYS or BAT. JP2 bq25898D battery sense line Installed to SYS Installed JP3 bq25910 INT pin jumper Installed JP4 bq25898D CE pin (charge enabled) Installed JP5 bq25898D REGN to TS network connection Installed JP6 TS network connection to potentiometer Installed JP7 TS to GND connection. Can also be used to attach an external 103AT thermistor. JP8 bq25898D OTG to GND pin connection Installed JP9 bq25898D ILIM to GND pin connection Not Installed JP10 bq25910 IND_SNS pin connection Installed JP11 bq25910 BATP sense line connection Installed JP12 bq25910 BATN sense line connection Installed Not Installed Table 4. bq25910EVM Test Points Test Point Description VBUS1_s Sense line for the bq25898D VBUS for efficiency measurement PMID1 Connection to the bq25898D PMID plane VBUS2_s Sense line for the bq25910 VBUS for efficiency measurement PMID2 Connection to the bq25910 PMID plane BAT_s bq25898D battery sense line BATP bq25910 positive battery sense line BATN bq25910 negative battery sense line GND_s bq25910 sense line to GND plane near IC for efficiency measurement SW1 bq25898D switch node SW2 bq25910 switch node VOUT_910_s bq25910 converter output for efficiency measurement CFLY+/CFLY– Differential test points for the bq25910 CFLY capacitor CDRV+/CDRV– Differential test points for the bq25910 CDRV capacitor INT2 bq25910 Interrupt pin CAUX bq25910 CAUX capacitor REGN bq25910 REGN output SLVUB31A – September 2017 – Revised March 2018 Submit Documentation Feedback Copyright © 2017–2018, Texas Instruments Incorporated bq25910EVM-854 Evaluation Module 3 Introduction 1.3 www.ti.com Recommended Operating Conditions Table 5. bq25910EVM Recommended Operating Conditions Symbol Description VBUS Input voltage from AC adapter IBUS Input supply current from AC adapter VBAT Battery voltage applied at J4 IBAT bq25910 output current 2 Test Setup and Results 2.1 Equipment MIN 3.9 TYP MAX Unit 14 V 3.6 A 0 4.775 V 0 6 A In order to evaluate the bq25910EVM, the following are required: • Power Supply: Capable of providing up to 14 V and 3.6 A to be used for VBUS. • Battery Emulator: A 4-quadrant supply capable of constant voltage ≤ 4.775 V and constant current ≤ 6 A. • DC Electronic Load: Used to emulate system load. • Multimeters: Used for voltage measuring and at least 2 current meters capable of measuring 6 A or can use the sense resistors on the board. • Computer: A computer with at least one USB port and USB cable. • EV2400 USB-based PC Interface Board: Used to interface with the bq25910EVM via I2C. The EV2400 is purchased separately and is found here. • bqStudio: Software platform used to send commands to the bq25910EVM via I2C using the EV2400. Download the latest version of bqStudio from ti.com. Double click the bqStudio setup installation file and follow the installation prompts. The software supports Microsoft® Windows® XP and Windows 7 operating systems. 4 bq25910EVM-854 Evaluation Module SLVUB31A – September 2017 – Revised March 2018 Submit Documentation Feedback Copyright © 2017–2018, Texas Instruments Incorporated Test Setup and Results www.ti.com 2.2 Test Setup Both the master and parallel chargers are present on the EVM. This user's guide focuses on setting up and evaluation of the bq25910 charger. Figure 2 shows the connections between the power supplies, EV2400 and the bq25910EVM. BAT J4 VBUS J3 Power Supply + Li-ion battery/ battery emulator bq25910EVM SYS J2 ± GND DC Load I2C GND J5 GND I2C USB EV2400 Port Figure 2. bq25910EVM Setup 2.2.1 Setting up the bq25898D This user's guide covers the necessary steps to set up the master charger for parallel charger evaluation. • Connect the battery emulator to battery connector, J4. Set battery emulator to 3.8 V. • Using a 4-wire Molex cable (included with EV2400), connect the I2C port to the J5 connector on the EVM. Connect the USB cable to any USB port on the PC with bqStudio installed. • Apply 5 V at VBUS connector, J3. At this point, the bq25898D should be providing 2 A of charge current to the battery. • Open bqStudio and select the bq25910EVM from the Charger menu. Figure 3. bqStudio Device Tabs • • • • The software allows you to modify both the bq25898D and bq25910 I2C registers. Figure 3 shows the device tabs on bqStudio. Selecting one of them opens the register interface for that particular device and allows the values to be modified via I2C. The DC electronic load can be connected at J2 to emulate the system load. Note the 4-A maximum output current of the converter and the maximum 6 A of continuous discharge current from the battery of the bq25898D. For full details on the test setup of the bq25898D, refer to bq25898, bq25898D, and bq25898C PWR730 Evaluation Module. To evaluate bq25910 only, place the bq25898D in HIZ mode. SLVUB31A – September 2017 – Revised March 2018 Submit Documentation Feedback Copyright © 2017–2018, Texas Instruments Incorporated bq25910EVM-854 Evaluation Module 5 Test Setup and Results 2.2.2 www.ti.com Setting up the bq25910 This section describes the options available for evaluation of the bq25910 and how to set up the device for basic evaluation. • Once the master charger is set up, select the bq25910 Field View tab on bqStudio to continue to set up the parallel charger. Figure 4. bq25910 Registers • • • • Figure 4 shows the configurable registers, single-bit I2C commands and status registers available for the bq25910. The bq25910 is a host controlled parallel charger and will automatically shut off when the I2C watchdog timer is not reset within the timer period (40 seconds by default). While in default mode, charging is disabled until the host sets the ENABLE CHARGE bit and resets the watchdog timer via the WD_RST bit (RESET WATCHDOG command). After POR, the device is in default mode with the watchdog timer expired. While in default mode, the bq25910 remains in HIZ mode and will not charge the battery. The WD_RST bit needs to be set first to force the charger out of default mode. This can be done by setting the RESET WATCHDOG checkbox on bqStudio, see Figure 5 for the location of the WD_RST bit in the Single-bit I2C Selection section of bqStudio. Figure 5. bq25910 WD_RST bit • 6 Once WD_RST is set, all the device parameters can be programmed. To keep the device in host mode, the host has to reset the watchdog timer by setting the WD_RST bit before the timer expires or disable the watchdog timer. For the purpose of this evaluation, we disable the watchdog timer by writing REG05[5:4] = 00b. This can be done by using the drop-down menu for the Watchdog Timer setting on the Multi-bit I2C Pulldown Menu. See Figure 6 for the location in bqStudio. bq25910EVM-854 Evaluation Module SLVUB31A – September 2017 – Revised March 2018 Submit Documentation Feedback Copyright © 2017–2018, Texas Instruments Incorporated Test Setup and Results www.ti.com Figure 6. bq25910 Watchdog Timer Disable 2.2.3 Master and Parallel Chargers Interaction The bq25898D acts as the master charger and is in charge of pre-conditioning and full termination of the battery. The parallel charger, the bq25910, monitors the battery voltage and compares it to the VBAT_LOWV threshold. Once the battery voltage rises above the VBAT_LOWV threshold, the bq25910 turns on and begins charging, applying the charge current set on the Fast Charge Current Limit register. Once the bq25910 begins charging, the master charger can be either placed in HIZ mode or continue running in parallel with the bq25910. 2.2.3.1 Master Charger In HIZ mode Placing the master charger in HIZ mode when the parallel charger begins charging is recommended because this allows evaluating the performance of the bq25910 independently from the master charger. This can be done by navigating to the bq25898D tab on bqStudio and setting the Enable HIZ checkbox, refer to Figure 7. Figure 7. bq25898D Enable HIZ Mode SLVUB31A – September 2017 – Revised March 2018 Submit Documentation Feedback Copyright © 2017–2018, Texas Instruments Incorporated bq25910EVM-854 Evaluation Module 7 Test Setup and Results 2.2.4 www.ti.com Measuring bq25910 Charge Efficiency This section details how to evaluate the bq25910 charge efficiency. 1. Apply 9 V on VBUS at the J3 port on the EVM. 2. Apply 3.8 V on BAT at the J4 port on the EVM. 3. Follow the steps in section 2.2.3.1, to place the master charger in HIZ mode. 4. Follow the steps in section 2.2.2, to enable charge on the bq25910. 5. In order to calculate efficiency, the input voltage, battery voltage and charge current must be set correctly. • On bqStudio, navigate to the bq25910 device tab and select 3000mA from the Fast Charge Current Limit drop-down menu. • Using a multimeter, measure the voltage at the BAT_s testpoint with respect to the GND_s testpoint and modify the battery emulator voltage until 3.8 V is measured. • Using a multimeter, measure the voltage at the VBUS2_s testpoint with respect to the GND_s testpoint and modify the power supply until 9 V is measured. • At this point, the device should be providing 3 A of charge current. Input current and charge current can be measured either by an ammeter in series with VBUS and BAT or measuring the voltage across the sense resistors, R20 and R21, and converting the voltage to current. • Once input voltage, battery voltage, charge current and input current are measured, efficiency can be calculated. 8 bq25910EVM-854 Evaluation Module SLVUB31A – September 2017 – Revised March 2018 Submit Documentation Feedback Copyright © 2017–2018, Texas Instruments Incorporated Board Layout www.ti.com 3 Board Layout Figure 8 through Figure 17 illustrate the bq25910EVM-854 PCB layouts. Figure 8. bq25910EVM-854 Top Overlay Figure 9. bq25910EVM-854 Top Solder Figure 10. bq25910EVM-854 Top Layer Figure 11. bq25910EVM-854 Signal Layer 1 SLVUB31A – September 2017 – Revised March 2018 Submit Documentation Feedback Copyright © 2017–2018, Texas Instruments Incorporated bq25910EVM-854 Evaluation Module 9 Board Layout 10 www.ti.com Figure 12. bq25910EVM-854 Signal Layer 2 Figure 13. bq25910EVM-854 Bottom Layer Figure 14. bq25910EVM-854 Bottom Solder Figure 15. bq25910EVM-854 Bottom Overlay bq25910EVM-854 Evaluation Module SLVUB31A – September 2017 – Revised March 2018 Submit Documentation Feedback Copyright © 2017–2018, Texas Instruments Incorporated Board Layout www.ti.com Figure 16. bq25910EVM-854 Drill Drawing Figure 17. bq25910EVM-854 Board Dimensions SLVUB31A – September 2017 – Revised March 2018 Submit Documentation Feedback Copyright © 2017–2018, Texas Instruments Incorporated bq25910EVM-854 Evaluation Module 11 Schematic and Bill of Materials 4 www.ti.com Schematic and Bill of Materials This section contains the bq25910EVM-854 schematics and bill of materials. 4.1 Schematic Figure 18 shows the bq25910EVM-854 schematics. TP1 PMID C1 PMID1 J1 C7 10µF TP40 2 REGN 3 4.7µF GND U1 DNP4 GND 5 1 GND PMID1 DNPC2 DNPC3 DNPC4 DNPC5 DNPC6 22µF 1000pF 10µF 10µF 10µF D4 E4 F4 G4 TP2 TP8 R2 0.01 E3 F3 G3 C15 1µF J3 B5 C16 0.047µF TP11 C3 R3 20 GND GND SCL SDA PULLUP PULLUP INT R5 2.21k R6 10.0k TP39 D1 Green PULLUP OTG JP4 SCL SDA F2 INT C4 OTG B4 CE B6 QON G2 ILIM R9 10.0k R10 10.0k R11 10.0k 0.047µF BAT BAT BAT BAT BAT A1 B1 C1 D1 E1 BATSEN TS F1 A4 PGND PGND PGND PGND PGND C6 D6 E6 F6 G6 OTG R12 4.7k TP4 C9 10µF JP1 1 2 3 PULLUP TP12 C10 DNPC11 DNPC12 DNPC13 DNPC14 10µF 10µF 10µF 0.1µF 1000pF TP10 BAT GND BATP TP13 TP14 R4 BAT 0.01 BATSNS C17 10µF JP2 J4 BATN TP15 BATP GND REGN GND GND JP5 R7 5.23k JP6 R13 30.1k R14 50k JP7 R15 49.9 JP8 JP9 TP41 2 GND 3 GND J5 DNP4 R17 5 1 R16 768 4 3 2 1 GND J2 TP9 STAT S1 GND SYS 0.01 GND SDA SCL TP5 R1 1µH TP18 INT TP20 TP3 L1 BQ25898DYFFR TP16 TP17 TP19 STAT C5 D5 E5 F5 G5 A2 B2 C2 D2 E2 D+ A3 B3 C8 SYS SYS SYS SYS SYS DSEL D- GND R8 10.0k VBUS VBUS VBUS D3 G1 STAT SW SW SW SW SW A5 A6 10k TP42 2 3 GND SDA SCL TP21 GND TP22 GND VBUS TP23 TP24 PMID1 R18 DNP 0.01 TP25 0.01 C18 1µF TP29 DNPC27 22µF J6 DNPC28 220pF C21 10µF GND VBUS VBUS VBUS PMID PMID PMID PMID SW SW SW SW SW IND_SNS PULLUP R22 10.0k TP33 TP34 A2 B2 C2 D2 SDA SCL GND E2 F1 E3 SDA SCL INT JP3 D1 TP43 TP44 C24 0.22µF CDRV+ E1 CDRV- F3 REGN F2 CAUX TP36 TP37 C25 4.7µF GND TP26 470nH L2 U2 A1 B1 C1 R21 DNP 0.01 GND 5 DNP R19 PMID2 DNP4 L3 1 VBUS GND GND TP7 TP6 REGN BTST IND_SNS VBUS PMID PMID PMID PMID C26 4.7µF BATP BATN CFLY+ CFLY+ CFLY+ CFLY+ A4 B4 C4 D4 E4 R20 470nH C19 10µF C20 10µF DNPC29 220pF TP28 JP10 JP11 GND F6 TP46 GND TP45 F5 F4 TP27 0.01 DNPC30 22µF TP30 A3 B3 C3 D3 TP31 TP32 JP12 CFLYCFLYCFLYCFLYCFLY- A5 B5 C5 D5 E5 GND GND GND GND GND A6 B6 C6 D6 E6 C22 10µF C23 10µF DNPC31 10µF TP35 TP38 BQ25910YFFR GND GND GND Copyright © 2018, Texas Instruments Incorporated Figure 18. bq25910EVM-854 Schematic 12 bq25910EVM-854 Evaluation Module SLVUB31A – September 2017 – Revised March 2018 Submit Documentation Feedback Copyright © 2017–2018, Texas Instruments Incorporated Schematic and Bill of Materials www.ti.com 4.2 Bill of Materials Table 6 lists the EVM bill of materials. Table 6. Bill of Materials (1) Designator QTY Value Description Package Reference Manufacturer !PCB 1 PWR854 Any C1 1 4.7uF CAP, CERM, 4.7 µF, 16 V, +/- 10%, X5R, 0603 0603 GRM188R61C475KAAJ Murata C7, C9, C10, C17, C21 5 10uF CAP, CERM, 10 µF, 25 V, +/- 20%, X5R, 0603 0603 GRM188R61E106MA73D Murata C8, C16 2 0.047uF CAP, CERM, 0.047 µF, 25 V, +/- 10%, X7R, 0402 0402 GRM155R71E473KA88D Murata C15 1 1uF CAP, CERM, 1 µF, 25 V, +/- 10%, X7R, 0805 0805 GRM219R71E105KA88D Murata C18 1 1uF CAP, CERM, 1 µF, 25 V, +/- 10%, X7R, 0603 0603 GRM188R71E105KA12D Murata C19, C20 2 10uF CAP, CERM, 10 µF, 10 V, +/- 20%, X5R, 0603 0603 GRM188R61A106MAALD Murata C22, C23 2 10uF CAP, CERM, 10 µF, 16 V, +/- 20%, X5R, 0603 0603 GRM188R61C106MAALD Murata C24 1 0.22uF CAP, CERM, 0.22 µF, 6.3 V, +/- 20%, X5R, 0201 0201 GRM033R60J224ME90 Murata C25, C26 2 4.7uF CAP, CERM, 4.7 µF, 10 V, +/- 20%, X5R, 0402 0402 GRM155R61A475MEAAD Murata D1 1 Green LED, Green, SMD 1.6x0.8x0.8mm LTST-C190GKT Lite-On J1, J2, J3, J4, J6 5 Conn Term Block, 2POS, 3.81mm, TH 2POS Terminal Block 1727010 Phoenix Contact J5 1 Header (friction lock), 100mil, 4x1, R/A, TH 4x1 R/A Header 22-05-3041 Molex JP1 1 Header, 100mil, 3x1, Tin, TH Header, 3 PIN, 100mil, Tin PEC03SAAN Sullins Connector Solutions JP2, JP3, JP4, JP5, JP6, JP7, JP8, JP9, JP10, JP11, JP12 11 Header, 100mil, 2x1, Tin, TH Header, 2 PIN, 100mil, Tin PEC02SAAN Sullins Connector Solutions L1 1 1uH Inductor, Wirewound, 1 µH, 4 A, 0.041 ohm, SMD 4.06x4.06mm 74437321010 Wurth Elektronik L2 1 470nH Inductor, Powdered Iron, 470 nH, 5.8 A, 0.017 ohm, SMD 2.5x1.2x2mm DFE252012F-R47M=P2 Murata Toko R1, R4, R20 3 0.01 RES, 0.01, 1%, 1 W, 2512 2512 WSL2512R0100FEA Vishay-Dale R2, R19 2 0.01 RES, 0.01, 1%, 1 W, 1206 1206 WSLP1206R0100FEA Vishay-Dale R3 1 20 RES, 20, 5%, 0.063 W, 0402 0402 CRCW040220R0JNED Vishay-Dale R5 1 2.21k RES, 2.21 k, 1%, 0.063 W, 0402 0402 CRCW04022K21FKED Vishay-Dale R6, R8, R9, R10, R11, R22 6 10.0k RES, 10.0 k, 1%, 0.1 W, 0603 0603 RCG060310K0FKEA Vishay Draloric R7 1 5.23k RES, 5.23 k, 1%, 0.063 W, 0402 0402 CRCW04025K23FKED Vishay-Dale R12 1 4.7k RES, 4.7k ohm, 5%, 0.063W, 0402 0402 CRCW04024K70JNED Vishay-Dale R13 1 30.1k RES, 30.1 k, 1%, 0.063 W, 0402 0402 CRCW040230K1FKED Vishay-Dale R14 1 50k Trimmer, 50k ohm, 0.25W, TH 4.5x8x6.7mm 3266W-1-503LF Bourns R15 1 49.9 RES, 49.9, 1%, 0.063 W, 0402 0402 CRCW040249R9FKED Vishay-Dale R16 1 768 RES, 768, 1%, 0.063 W, 0402 0402 CRCW0402768RFKED Vishay-Dale R17 1 10k Trimmer, 10k ohm, 0.25W, TH 4.5x8x6.7mm 3266W-1-103LF Bourns S1 1 Switch, Normally open, 2.3N force, 200k operations, SMD KSR KSR221GLFS C and K Components SH-J2, SH-J3, SH-J4, SH-J5, SH-J8, SH-J9, SH-J10, SHJ11, SH-J12, SH-J14 10 Shunt, 100mil, Gold plated, Black Shunt SNT-100-BK-G Samtec (1) Printed Circuit Board Part Number 1x2 Alternate Part Number 969102-0000-DA Alternate Manufacturer 3M Unless otherwise noted in the Alternate Part Number or Alternate Manufacturer columns, all parts may be substituted with equivalents. SLVUB31A – September 2017 – Revised March 2018 Submit Documentation Feedback bq25910EVM-854 Evaluation Module Copyright © 2017–2018, Texas Instruments Incorporated 13 Schematic and Bill of Materials www.ti.com Table 6. Bill of Materials (1) (continued) Designator QTY TP1, TP8, TP12, TP25, TP26, TP29, TP45 7 Test Point, Miniature, Red, TH Red Miniature Testpoint 5000 Keystone TP2, TP10, TP34, TP38 4 Test Point, Compact, SMT Testpoint_Keystone_Co mpact 5016 Keystone TP3 1 Test Point, Compact, Yellow, TH Yellow Compact Testpoint 5009 Keystone TP4, TP5, TP6, TP7, TP13, TP14, TP16, TP17, TP18, TP19, TP20, TP21, TP22, TP23, TP24, TP27, TP28, TP30, TP31, TP32, TP33, TP35, TP36, TP37, TP39, TP43, TP44 27 Test Point, Miniature, White, TH White Miniature Testpoint 5002 Keystone TP9, TP11, TP15, TP46 4 Test Point, Miniature, Black, TH Black Miniature Testpoint 5001 Keystone U1 1 I2C Controlled Single Cell 4-A Fast Charger with MaxCharge Technology, YFF0042AHAC (DSBGA42) YFF0042AHAC BQ25898DYFFR Texas Instruments BQ25898DYFFT Texas Instruments U2 1 1S, 6A, Three-Level Single-Cell Parallel Charger, YFF0036AEAE (DSBGA-36) YFF0036AEAE BQ25910YFFR Texas Instruments BQ25910YFFT Texas Instruments C2, C27, C30 0 22uF CAP, CERM, 22 µF, 25 V, +/- 20%, X5R, 0805 0805 GRM21BR61E226ME44L Murata C3, C14 0 1000pF CAP, CERM, 1000 pF, 25 V, +/- 10%, X7R, 0805 0805 GRM216R71E102KA01D Murata C4, C5, C6, C11, C12 0 10uF CAP, CERM, 10 µF, 25 V, +/- 20%, X5R, 0603 0603 GRM188R61E106MA73D Murata C13 0 0.1uF CAP, CERM, 0.1 µF, 25 V, +/- 10%, X7R, 0805 0805 GRM21BR71E104KA01L Murata C28, C29 0 220pF CAP, CERM, 220 pF, 50 V, +/- 1%, C0G/NP0, 0402 0402 C1005C0G1H221F050BA TDK C31 0 10uF CAP, CERM, 10 µF, 16 V, +/- 20%, X5R, 0603 0603 GRM188R61C106MAALD Murata FID1, FID2, FID3 0 Fiducial mark. There is nothing to buy or mount. Fiducial N/A N/A L3 0 470nH Inductor, 470 nH, 8.2 A, 0.018 ohm, SMD 4.1x4.1mm HBLE041B-R47MSA Cyntec R18, R21 0 0.01 RES, 0.01, 1%, 1 W, 1206 1206 WSLP1206R0100FEA Vishay-Dale TP40, TP41, TP42 0 Compact Probe Tip Circuit Board Test Points, TH, 25 per TH Scope Probe 131-5031-00 Tektronix 14 Value Description Package Reference Part Number bq25910EVM-854 Evaluation Module Manufacturer Alternate Part Number Alternate Manufacturer SLVUB31A – September 2017 – Revised March 2018 Submit Documentation Feedback Copyright © 2017–2018, Texas Instruments Incorporated Revision History www.ti.com Revision History NOTE: Page numbers for previous revisions may differ from page numbers in the current version. Changes from Original (September 2017) to A Revision ............................................................................................... Page • • • Changed slave to parallel globally in the document. ................................................................................. 1 Updated Board Layout images for PWR854 A. ....................................................................................... 9 Updated the schematic for PWR854 A. ............................................................................................... 12 SLVUB31A – September 2017 – Revised March 2018 Submit Documentation Feedback Copyright © 2017–2018, Texas Instruments Incorporated Revision History 15 STANDARD TERMS FOR EVALUATION MODULES 1. Delivery: TI delivers TI evaluation boards, kits, or modules, including any accompanying demonstration software, components, and/or documentation which may be provided together or separately (collectively, an “EVM” or “EVMs”) to the User (“User”) in accordance with the terms set forth herein. 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User's claims against TI under this Section 2 are void if User fails to notify TI of any apparent defects in the EVMs within ten (10) business days after delivery, or of any hidden defects with ten (10) business days after the defect has been detected. 2.3 TI's sole liability shall be at its option to repair or replace EVMs that fail to conform to the warranty set forth above, or credit User's account for such EVM. TI's liability under this warranty shall be limited to EVMs that are returned during the warranty period to the address designated by TI and that are determined by TI not to conform to such warranty. If TI elects to repair or replace such EVM, TI shall have a reasonable time to repair such EVM or provide replacements. Repaired EVMs shall be warranted for the remainder of the original warranty period. Replaced EVMs shall be warranted for a new full ninety (90) day warranty period. 3 Regulatory Notices: 3.1 United States 3.1.1 Notice applicable to EVMs not FCC-Approved: FCC NOTICE: This kit is designed to allow product developers to evaluate electronic components, circuitry, or software associated with the kit to determine whether to incorporate such items in a finished product and software developers to write software applications for use with the end product. This kit is not a finished product and when assembled may not be resold or otherwise marketed unless all required FCC equipment authorizations are first obtained. Operation is subject to the condition that this product not cause harmful interference to licensed radio stations and that this product accept harmful interference. Unless the assembled kit is designed to operate under part 15, part 18 or part 95 of this chapter, the operator of the kit must operate under the authority of an FCC license holder or must secure an experimental authorization under part 5 of this chapter. 3.1.2 For EVMs annotated as FCC – FEDERAL COMMUNICATIONS COMMISSION Part 15 Compliant: CAUTION This device complies with part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) This device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation. Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment. FCC Interference Statement for Class A EVM devices NOTE: This equipment has been tested and found to comply with the limits for a Class A digital device, pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference when the equipment is operated in a commercial environment. This equipment generates, uses, and can radiate radio frequency energy and, if not installed and used in accordance with the instruction manual, may cause harmful interference to radio communications. Operation of this equipment in a residential area is likely to cause harmful interference in which case the user will be required to correct the interference at his own expense. FCC Interference Statement for Class B EVM devices NOTE: This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures: • • • • Reorient or relocate the receiving antenna. Increase the separation between the equipment and receiver. Connect the equipment into an outlet on a circuit different from that to which the receiver is connected. Consult the dealer or an experienced radio/TV technician for help. 3.2 Canada 3.2.1 For EVMs issued with an Industry Canada Certificate of Conformance to RSS-210 or RSS-247 Concerning EVMs Including Radio Transmitters: This device complies with Industry Canada license-exempt RSSs. Operation is subject to the following two conditions: (1) this device may not cause interference, and (2) this device must accept any interference, including interference that may cause undesired operation of the device. Concernant les EVMs avec appareils radio: Le présent appareil est conforme aux CNR d'Industrie Canada applicables aux appareils radio exempts de licence. L'exploitation est autorisée aux deux conditions suivantes: (1) l'appareil ne doit pas produire de brouillage, et (2) l'utilisateur de l'appareil doit accepter tout brouillage radioélectrique subi, même si le brouillage est susceptible d'en compromettre le fonctionnement. Concerning EVMs Including Detachable Antennas: Under Industry Canada regulations, this radio transmitter may only operate using an antenna of a type and maximum (or lesser) gain approved for the transmitter by Industry Canada. To reduce potential radio interference to other users, the antenna type and 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 list, having a gain greater than the maximum gain indicated for that type, are strictly prohibited for use with this device. Concernant les EVMs avec antennes détachables Conformément à la réglementation d'Industrie Canada, le présent émetteur radio peut fonctionner avec une antenne d'un type et d'un gain maximal (ou inférieur) approuvé pour l'émetteur par Industrie Canada. Dans le but de réduire les risques de brouillage radioélectrique à l'intention des autres utilisateurs, il faut choisir le type d'antenne et son gain de sorte que la puissance isotrope rayonnée équivalente (p.i.r.e.) ne dépasse pas l'intensité nécessaire à l'établissement d'une communication satisfaisante. Le présent émetteur radio a été approuvé par Industrie Canada pour fonctionner avec les types d'antenne énumérés dans le manuel d’usage et ayant un gain admissible maximal et l'impédance requise pour chaque type d'antenne. Les types d'antenne non inclus dans cette liste, ou dont le gain est supérieur au gain maximal indiqué, sont strictement interdits pour l'exploitation de l'émetteur 3.3 Japan 3.3.1 Notice for EVMs delivered in Japan: Please see http://www.tij.co.jp/lsds/ti_ja/general/eStore/notice_01.page 日本国内に 輸入される評価用キット、ボードについては、次のところをご覧ください。 http://www.tij.co.jp/lsds/ti_ja/general/eStore/notice_01.page 3.3.2 Notice for Users of EVMs Considered “Radio Frequency Products” in Japan: EVMs entering Japan may not be certified by TI as conforming to Technical Regulations of Radio Law of Japan. If User uses EVMs in Japan, not certified to Technical Regulations of Radio Law of Japan, User is required to follow the instructions set forth by Radio Law of Japan, which includes, but is not limited to, the instructions below with respect to EVMs (which for the avoidance of doubt are stated strictly for convenience and should be verified by User): 1. 2. 3. Use EVMs in a shielded room or any other test facility as defined in the notification #173 issued by Ministry of Internal Affairs and Communications on March 28, 2006, based on Sub-section 1.1 of Article 6 of the Ministry’s Rule for Enforcement of Radio Law of Japan, Use EVMs only after User obtains the license of Test Radio Station as provided in Radio Law of Japan with respect to EVMs, or Use of EVMs only after User obtains the Technical Regulations Conformity Certification as provided in Radio Law of Japan with respect to EVMs. Also, do not transfer EVMs, unless User gives the same notice above to the transferee. Please note that if User does not follow the instructions above, User will be subject to penalties of Radio Law of Japan. 【無線電波を送信する製品の開発キットをお使いになる際の注意事項】 開発キットの中には技術基準適合証明を受けて いないものがあります。 技術適合証明を受けていないもののご使用に際しては、電波法遵守のため、以下のいずれかの 措置を取っていただく必要がありますのでご注意ください。 1. 2. 3. 電波法施行規則第6条第1項第1号に基づく平成18年3月28日総務省告示第173号で定められた電波暗室等の試験設備でご使用 いただく。 実験局の免許を取得後ご使用いただく。 技術基準適合証明を取得後ご使用いただく。 なお、本製品は、上記の「ご使用にあたっての注意」を譲渡先、移転先に通知しない限り、譲渡、移転できないものとします。 上記を遵守頂けない場合は、電波法の罰則が適用される可能性があることをご留意ください。 日本テキサス・イ ンスツルメンツ株式会社 東京都新宿区西新宿６丁目２４番１号 西新宿三井ビル 3.3.3 Notice for EVMs for Power Line Communication: Please see http://www.tij.co.jp/lsds/ti_ja/general/eStore/notice_02.page 電力線搬送波通信についての開発キットをお使いになる際の注意事項については、次のところをご覧ください。http:/ /www.tij.co.jp/lsds/ti_ja/general/eStore/notice_02.page 3.4 European Union 3.4.1 For EVMs subject to EU Directive 2014/30/EU (Electromagnetic Compatibility Directive): This is a class A product intended for use in environments other than domestic environments that are connected to a low-voltage power-supply network that supplies buildings used for domestic purposes. In a domestic environment this product may cause radio interference in which case the user may be required to take adequate measures. 4 EVM Use Restrictions and Warnings: 4.1 EVMS ARE NOT FOR USE IN FUNCTIONAL SAFETY AND/OR SAFETY CRITICAL EVALUATIONS, INCLUDING BUT NOT LIMITED TO EVALUATIONS OF LIFE SUPPORT APPLICATIONS. 4.2 User must read and apply the user guide and other available documentation provided by TI regarding the EVM prior to handling or using the EVM, including without limitation any warning or restriction notices. The notices contain important safety information related to, for example, temperatures and voltages. 4.3 Safety-Related Warnings and Restrictions: 4.3.1 User shall operate the EVM within TI’s recommended specifications and environmental considerations stated in the user guide, other available documentation provided by TI, and any other applicable requirements and employ reasonable and customary safeguards. Exceeding the specified performance ratings and specifications (including but not limited to input and output voltage, current, power, and environmental ranges) for the EVM may cause personal injury or death, or property damage. If there are questions concerning performance ratings and specifications, User should contact a TI field representative prior to connecting interface electronics including input power and intended loads. Any loads applied outside of the specified output range may also result in unintended and/or inaccurate operation and/or possible permanent damage to the EVM and/or interface electronics. Please consult the EVM user guide prior to connecting any load to the EVM output. If there is uncertainty as to the load specification, please contact a TI field representative. During normal operation, even with the inputs and outputs kept within the specified allowable ranges, some circuit components may have elevated case temperatures. These components include but are not limited to linear regulators, switching transistors, pass transistors, current sense resistors, and heat sinks, which can be identified using the information in the associated documentation. When working with the EVM, please be aware that the EVM may become very warm. 4.3.2 EVMs are intended solely for use by technically qualified, professional electronics experts who are familiar with the dangers and application risks associated with handling electrical mechanical components, systems, and subsystems. User assumes all responsibility and liability for proper and safe handling and use of the EVM by User or its employees, affiliates, contractors or designees. User assumes all responsibility and liability to ensure that any interfaces (electronic and/or mechanical) between the EVM and any human body are designed with suitable isolation and means to safely limit accessible leakage currents to minimize the risk of electrical shock hazard. User assumes all responsibility and liability for any improper or unsafe handling or use of the EVM by User or its employees, affiliates, contractors or designees. 4.4 User assumes all responsibility and liability to determine whether the EVM is subject to any applicable international, federal, state, or local laws and regulations related to User’s handling and use of the EVM and, if applicable, User assumes all responsibility and liability for compliance in all respects with such laws and regulations. User assumes all responsibility and liability for proper disposal and recycling of the EVM consistent with all applicable international, federal, state, and local requirements. 5. Accuracy of Information: To the extent TI provides information on the availability and function of EVMs, TI attempts to be as accurate as possible. However, TI does not warrant the accuracy of EVM descriptions, EVM availability or other information on its websites as accurate, complete, reliable, current, or error-free. 6. Disclaimers: 6.1 EXCEPT AS SET FORTH ABOVE, EVMS AND ANY MATERIALS PROVIDED WITH THE EVM (INCLUDING, BUT NOT LIMITED TO, REFERENCE DESIGNS AND THE DESIGN OF THE EVM ITSELF) ARE PROVIDED "AS IS" AND "WITH ALL FAULTS." TI DISCLAIMS ALL OTHER WARRANTIES, EXPRESS OR IMPLIED, REGARDING SUCH ITEMS, INCLUDING BUT NOT LIMITED TO ANY EPIDEMIC FAILURE WARRANTY OR IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT OF ANY THIRD PARTY PATENTS, COPYRIGHTS, TRADE SECRETS OR OTHER INTELLECTUAL PROPERTY RIGHTS. 6.2 EXCEPT FOR THE LIMITED RIGHT TO USE THE EVM SET FORTH HEREIN, NOTHING IN THESE TERMS SHALL BE CONSTRUED AS GRANTING OR CONFERRING ANY RIGHTS BY LICENSE, PATENT, OR ANY OTHER INDUSTRIAL OR INTELLECTUAL PROPERTY RIGHT OF TI, ITS SUPPLIERS/LICENSORS OR ANY OTHER THIRD PARTY, TO USE THE EVM IN ANY FINISHED END-USER OR READY-TO-USE FINAL PRODUCT, OR FOR ANY INVENTION, DISCOVERY OR IMPROVEMENT, REGARDLESS OF WHEN MADE, CONCEIVED OR ACQUIRED. 7. USER'S INDEMNITY OBLIGATIONS AND REPRESENTATIONS. USER WILL DEFEND, INDEMNIFY AND HOLD TI, ITS LICENSORS AND THEIR REPRESENTATIVES HARMLESS FROM AND AGAINST ANY AND ALL CLAIMS, DAMAGES, LOSSES, EXPENSES, COSTS AND LIABILITIES (COLLECTIVELY, "CLAIMS") ARISING OUT OF OR IN CONNECTION WITH ANY HANDLING OR USE OF THE EVM THAT IS NOT IN ACCORDANCE WITH THESE TERMS. THIS OBLIGATION SHALL APPLY WHETHER CLAIMS ARISE UNDER STATUTE, REGULATION, OR THE LAW OF TORT, CONTRACT OR ANY OTHER LEGAL THEORY, AND EVEN IF THE EVM FAILS TO PERFORM AS DESCRIBED OR EXPECTED. 8. Limitations on Damages and Liability: 8.1 General Limitations. IN NO EVENT SHALL TI BE LIABLE FOR ANY SPECIAL, COLLATERAL, INDIRECT, PUNITIVE, INCIDENTAL, CONSEQUENTIAL, OR EXEMPLARY DAMAGES IN CONNECTION WITH OR ARISING OUT OF THESE TERMS OR THE USE OF THE EVMS , REGARDLESS OF WHETHER TI HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES. EXCLUDED DAMAGES INCLUDE, BUT ARE NOT LIMITED TO, COST OF REMOVAL OR REINSTALLATION, ANCILLARY COSTS TO THE PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, RETESTING, OUTSIDE COMPUTER TIME, LABOR COSTS, LOSS OF GOODWILL, LOSS OF PROFITS, LOSS OF SAVINGS, LOSS OF USE, LOSS OF DATA, OR BUSINESS INTERRUPTION. NO CLAIM, SUIT OR ACTION SHALL BE BROUGHT AGAINST TI MORE THAN TWELVE (12) MONTHS AFTER THE EVENT THAT GAVE RISE TO THE CAUSE OF ACTION HAS OCCURRED. 8.2 Specific Limitations. IN NO EVENT SHALL TI'S AGGREGATE LIABILITY FROM ANY USE OF AN EVM PROVIDED HEREUNDER, INCLUDING FROM ANY WARRANTY, INDEMITY OR OTHER OBLIGATION ARISING OUT OF OR IN CONNECTION WITH THESE TERMS, , EXCEED THE TOTAL AMOUNT PAID TO TI BY USER FOR THE PARTICULAR EVM(S) AT ISSUE DURING THE PRIOR TWELVE (12) MONTHS WITH RESPECT TO WHICH LOSSES OR DAMAGES ARE CLAIMED. THE EXISTENCE OF MORE THAN ONE CLAIM SHALL NOT ENLARGE OR EXTEND THIS LIMIT. 9. Return Policy. Except as otherwise provided, TI does not offer any refunds, returns, or exchanges. Furthermore, no return of EVM(s) will be accepted if the package has been opened and no return of the EVM(s) will be accepted if they are damaged or otherwise not in a resalable condition. If User feels it has been incorrectly charged for the EVM(s) it ordered or that delivery violates the applicable order, User should contact TI. All refunds will be made in full within thirty (30) working days from the return of the components(s), excluding any postage or packaging costs. 10. Governing Law: These terms and conditions shall be governed by and interpreted in accordance with the laws of the State of Texas, without reference to conflict-of-laws principles. User agrees that non-exclusive jurisdiction for any dispute arising out of or relating to these terms and conditions lies within courts located in the State of Texas and consents to venue in Dallas County, Texas. Notwithstanding the foregoing, any judgment may be enforced in any United States or foreign court, and TI may seek injunctive relief in any United States or foreign court. Mailing Address: Texas Instruments, Post Office Box 655303, Dallas, Texas 75265 Copyright © 2018, Texas Instruments Incorporated 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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