SLUSFQ0C November   2024  – September 2025 BQ27Z758

PRODUCTION DATA  

  1.   1
  2. 1 Features
  3. 2 Applications
  4. 3 Description
  5. 4 Pin Configurations and Functions
  6. 5 Specifications
    1. 5.1 Absolute Maximum Ratings
    2. 5.2 ESD Ratings
    3. 5.3 Recommended Operating Conditions
    4. 5.4 Thermal Information
    5. 5.5 Electrical Characteristics
      1. 5.5.1 Supply Current
      2. 5.5.2 Common Analog (LDO, LFO, HFO, REF1, REF2, I-WAKE)
      3. 5.5.3 Battery Protection (CHG, DSG)
      4. 5.5.4 Cell Sensing Output (BAT_SP, BAT_SN)
      5. 5.5.5 Gauge Measurements (ADC, CC, Temperature)
      6. 5.5.6 Flash Memory
    6. 5.6 Digital I/O: DC Characteristics
    7. 5.7 Digital I/O: Timing Characteristics
    8. 5.8 Typical Characteristics
  7. 6 Detailed Description
    1. 6.1 Overview
    2. 6.2 Functional Block Diagram
    3. 6.3 Feature Description
      1. 6.3.1  BQ27Z758 Processor
      2. 6.3.2  Battery Parameter Measurements
        1. 6.3.2.1 Coulomb Counter (CC) and Digital Filter
        2. 6.3.2.2 ADC Multiplexer
        3. 6.3.2.3 Analog-to-Digital Converter (ADC)
        4. 6.3.2.4 Internal Temperature Sensor
        5. 6.3.2.5 External Temperature Sensor Support
      3. 6.3.3  Power Supply Control
      4. 6.3.4  ENAB Pin
      5. 6.3.5  Bus Communication Interface
      6. 6.3.6  Low Frequency Oscillator
      7. 6.3.7  High Frequency Oscillator
      8. 6.3.8  1.8V Low Dropout Regulator
      9. 6.3.9  Internal Voltage References
      10. 6.3.10 Overcurrent in Discharge Protection
      11. 6.3.11 Overcurrent in Charge Protection
      12. 6.3.12 Short-Circuit Current in Discharge Protection
      13. 6.3.13 Primary Protection Features
      14. 6.3.14 Battery Sensing
      15. 6.3.15 Gas Gauging
      16. 6.3.16 Zero Volt Charging (ZVCHG)
      17. 6.3.17 Charge Control Features
      18. 6.3.18 Authentication
    4. 6.4 Device Functional Modes
      1. 6.4.1 Lifetime Logging Features
      2. 6.4.2 Configuration
        1. 6.4.2.1 Coulomb Counting
        2. 6.4.2.2 Cell Voltage Measurements
        3. 6.4.2.3 Auto Calibration
        4. 6.4.2.4 Temperature Measurements
  8. 7 Applications and Implementation
    1. 7.1 Application Information
    2. 7.2 Typical Applications
      1. 7.2.1 Design Requirements (Default)
      2. 7.2.2 Detailed Design Procedure
        1. 7.2.2.1 Changing Design Parameters
      3. 7.2.3 Calibration Process
      4. 7.2.4 Gauging Data Updates
        1. 7.2.4.1 Application Curve
      5. 7.2.5 ESD Mitigation
    3. 7.3 Power Supply Requirements
    4. 7.4 Layout
      1. 7.4.1 Layout Guidelines
      2. 7.4.2 Layout Example
  9. 8 Device and Documentation Support
    1. 8.1 Third-Party Products Disclaimer
    2. 8.2 Documentation Support
      1. 8.2.1 Related Documentation
    3. 8.3 Receiving Notification of Documentation Updates
    4. 8.4 Support Resources
    5. 8.5 Trademarks
    6. 8.6 Electrostatic Discharge Caution
    7. 8.7 Glossary
  10. 9 Revision History
  11. 10Mechanical, Orderable, and Packaging Information
    1.     PACKAGE OPTION ADDENDUM
    2. 10.1 Tape and Reel Information
    3. 10.2 Mechanical Data

Refer to the PDF data sheet for device specific package drawings

Mechanical Data (Package|Pins)
  • YAH|15
Thermal pad, mechanical data (Package|Pins)

5.3 Recommended Operating Conditions

over operating free-air temperature range (unless otherwise noted)
MIN NOM MAX UNIT
Supply voltage range VDD 2.0 5.5 V
Input voltage range PACK (with 5kΩ RPACK current limit) 0 12 V
PACK (no RPACK current limit) 0 5.5
BAT 1.5 5.5
SDA, SCL, ENAB –0.3 VDD
TS VSS 1.8
SRN, SRP VCC_CM – 0.1 VCC_CM + 0.1
Output voltage range BAT_SP, BAT_SN 2 VDD +VOFFS V
GPO VSS 1.8
CHG, DSG VSS VDD+ (VDD × AFETON)
CVDD External Decoupling Capacitor on VDD pin 1 µF
CTS External Decoupling Capacitor on TS pin

0.01

 µF
RPACK External Sense Resistor from PACK+ terminal to device PACK pin 5 kΩ
RDSG External Sense Resistor from PACK+ terminal to device DSG pin 10 MΩ
RSNS External Sense Resistor from SRN to SRP pins 1 20 mΩ
TA Operating Temperature -40 85 ℃