SLUUCH4A October   2021  – October 2023 BQ27Z746

 

  1.   1
  2.   Abstract
  3.   Trademarks
  4. Software Setup
    1. 1.1 System Requirements
    2. 1.2 Software Installation
  5. Troubleshooting Unexpected Dialog Boxes
  6. Hardware Setup
    1. 3.1 Hardware Requirements
    2. 3.2 Connecting the BQ27Z746 Circuit Module to a Battery Pack
    3. 3.3 EVM Jumpers Description
  7. Using bqStudio
    1. 4.1 Starting the Program
    2. 4.2 Setting Programmable BQ27Z746 Options
  8. Calibrating Gauge Measurements
    1. 5.1 Voltage Calibration
    2. 5.2 Current Calibration
  9. Protections
    1. 6.1 Protector Calibration in bqStudio
    2. 6.2 Protector Threshold Process
  10. Chemical ID
    1. 7.1 Chemical ID Selection Process Description
    2. 7.2 Hardware Requirements and Setup
    3. 7.3 Logging Data in bqStudio
    4. 7.4 GPCChem Tool
    5. 7.5 Programming a Chemical ID
    6. 7.6 Further Resources for Chemical ID Process
  11. Learning Cycle and Golden Image
    1. 8.1 Learning Cycle Process Description
    2. 8.2 Data Memory Configuration
    3. 8.3 Learning Cycle Steps
    4. 8.4 Low Temperature Optimization
    5. 8.5 Creating the Golden Image File
    6. 8.6 Programming the Golden Image File
  12. Gauge Communication
    1. 9.1 Advanced Communication in bqStudio
    2. 9.2 Standard Data Commands
    3. 9.3 Manufacturer Access Commands
    4. 9.4 Further Resources on Gauge Communication
  13. 10BQ27Z746-Based Circuit Module
    1. 10.1 Circuit Module Connections
    2. 10.2 Pin Descriptions
  14. 11Circuit Module Physical Layout, Bill of Materials, and Schematic
    1. 11.1 Board Layout
    2. 11.2 Schematic
    3. 11.3 Bill of Materials
    4. 11.4 BQ27Z746 Circuits Module Performance Specification Summary
  15.   Revision History

Bill of Materials

Table 11-1 Bill of Materials
Designator Quantity Value Description Package Reference Part Number Manufacturer
PCB1 1 Printed Circuit Board BMS047 Any
C1, C2, C3, C4 4 0.1uF CAP, CERM, 0.1 uF, 25 V, ± 10%, X5R, 0201 0201 GRM033R61E104KE14J MuRata
C5 1 1uF CAP, CERM, 1 uF, 10 V,± 20%, X5R, 0201 0201 GRM033R61A105ME15D MuRata
C6, C8 2 0.1uF CAP, CERM, 0.1 uF, 16 V, ± 10%, X7R, 0201 0201 GRM033Z71C104KE14D MuRata
C10 1 0.01uF CAP, CERM, 0.01 uF, 10 V, ± 10%, X5R, 0201 0201 GRM033R61A103KA01D MuRata
FID1, FID2, FID3 3 Fiducial mark. There is nothing to buy or mount. N/A N/A N/A
J1, J7, J15 3 Terminal Block, 5 mm, 2x1, R/A, TH Terminal Block, 5mm, 2x1, R/A, TH 1792863 Phoenix Contact
J2 1 Terminal Block, 5 mm, 4x1, R/A, TH Terminal Block, 5mm, 4x1, R/A, TH 1792889 Phoenix Contact
J3, J8, J9, J13, J16 5 Header, 2.54 mm, 2x1, Gold, TH Header, 2.54 mm, 2x1, TH GBC02SAAN Sullins Connector Solutions
J4, J5, J10 3 Header, 2.54 mm, 3x1, Gold, TH Header, 2.54mm, 3x1, TH 61300311121 Wurth Elektronik
J11 1 Header, 2.54 mm, 4x1, R/A, Tin, TH Header, 2.54mm, 4x1, R/A, TH 640455-4 TE Connectivity
LBL1 1 Thermal Transfer Printable Labels, 0.650" W x 0.200" H - 10,000 per roll PCB Label 0.650 x 0.200 inch THT-14-423-10 Brady
Q1 1 Power MOSFET for 1 Cell Lithium-ion Battery Protection 12 V, 3.2 mΩ, 27A, Dual N-Channel, SMD 1.77x3.54mm EFC8811R-TF ON Semiconductor
R1, R6 2 0.001 RES, 0.001, 1%, 1 W, AEC-Q200 Grade 0, 1206 1206 CSNL1206FT1L00 Stackpole Electronics Inc
R2, R3, R7, R8, R17, R18 6 49.9 RES, 49.9, 1%, 0.05 W, 0201 0201 CRCW020149R9FKED Vishay-Dale
R5 1 10Meg RES, 10 M, 5%, 0.05 W, 0201 0201 RC0201JR-0710ML Yageo America
R9 1 10 RES, 10, 5%, 0.05 W, 0201 0201 RC0201JR-0710RL Yageo America
R12, R13 2 0 RES, 0, 5%, 0.05 W, 0201 0201 CRCW02010000Z0ED Vishay-Dale
R14 1 5.1k RES, 5.1 k, 5%, 0.05 W, 0201 0201 RC0201JR-075K1L Yageo America
R19, R27, R30 3 1.0k RES, 1.0 k, 5%, 0.05 W, 0201 0201 RC0201JR-7D1KL Yageo America
R21, R22 2 100 RES, 100, 1%, 0.05 W, 0201 0201 CRCW0201100RFKED Vishay-Semiconductor
R23, R25 2 10k RES, 10 k, 5%, 0.05 W, 0201 0201 RC0201JR-7D10KL Yageo America
R26 1 51k RES, 51 k, 5%, 0.05 W, 0201 0201 RC0201JR-7D51KL Yageo America
RT1 1 10k Thermistor NTC, 10.0k ohm, 1%, 103AT-4-70261 SEMITEC Corporation
S1, S2 2 Switch, SPST-NO, Off-Mom, 0.02 A, 15 VDC, SMD 4.9x4.9mm EVQ-PLHA15 Panasonic
SH-J1, SH-J3, SH-J4, SH-J5, SH-J6, SH-J7, SH-J8 7 1x2 Shunt, 100mil, Gold plated, Black Shunt SNT-100-BK-G Samtec
TP1 1 Test Point, Miniature, Green, TH Green Miniature Testpoint 5116 Keystone
TP2 1 Test Point, Miniature, Red, TH Red Miniature Testpoint 5000 Keystone
TP3, TP4, TP5, TP6, TP7, TP21, TP23, TP24 8 Test Point, Miniature, Black, TH Black Miniature Testpoint 5001 Keystone
TP8, TP9, TP10, TP11, TP12, TP13, TP14, TP15, TP16, TP17, TP18, TP19, TP20, TP22 14 Test Point, Miniature, Orange, TH Orange Miniature Testpoint 5003 Keystone
U1 1 Impedance Track!" Battery Gas Gauge and Protection Solution for 1-Series Cell Li-Ion Battery Packs, YAH0015 (DSBGA-15) YAH0015 BQ27Z746YAH Texas Instruments
U3, U4, U5, U6 4 Single-Channel ESD in 0402 Package With 10 pF Capacitance and 6 V Breakdown, DPY0002A (X1SON-2) DPY0002A TPD1E10B06DPYR Texas Instruments
C7, C9 0 0.1uF CAP, CERM, 0.1 uF, 16 V, ± 10%, X7R, 0201 0201 GRM033Z71C104KE14D MuRata
J6, J12, J14 0 Header, 2.54 mm, 2x1, Gold, TH Header, 2.54 mm, 2x1, TH GBC02SAAN Sullins Connector Solutions
Q2 0 60V MOSFET, N-CH, 60 V, 0.17 A, SOT-23 SOT-23 2N7002-7-F Diodes Inc.
Q3 0 23V 30A Common-Drain Dual N-Channel MOSFET AlphaDFN3.2x2.1_10 AOCA36136E Alpha and Omega Semiconductor
R4 0 2.0k RES, 2.0 k, 5%, 0.063 W, AEC-Q200 Grade 0, 0402 0402 CRCW04022K00JNED Vishay-Dale
R10, R11, R15, R16, R28, R29 0 0 RES, 0, 5%, 0.05 W, 0201 0201 CRCW02010000Z0ED Vishay-Dale
R20, R24 0 1.0k RES, 1.0 k, 5%, 0.05 W, 0201 0201 RC0201JR-7D1KL Yageo America
U2 0 Single-Channel ESD in 0402 Package With 10pF Capacitance and 6 V Breakdown, DPY0002A (X1SON-2) DPY0002A TPD1E10B06DPYR Texas Instruments