SLUSF65A October   2023  – January 2026 BQ25185

PRODUCTION DATA  

  1.   1
  2. 1 Features
  3. 2 Applications
  4. 3 Description
  5. 4 Description (continued)
  6. 5 Pin Configuration and Functions
  7. 6 Specifications
    1. 6.1 Absolute Maximum Ratings
    2. 6.2 ESD Ratings
    3. 6.3 Thermal Information
    4. 6.4 Recommended Operating Conditions
    5. 6.5 Electrical Characteristics
    6. 6.6 Timing Requirements
    7. 6.7 Typical Characteristics
  8. 7 Detailed Description
    1. 7.1 Overview
      1. 7.1.1 Battery Charging Process
        1. 7.1.1.1 Trickle Charge
        2. 7.1.1.2 Precharge
        3. 7.1.1.3 Fast Charge
        4. 7.1.1.4 ISET Pin Detection
        5. 7.1.1.5 Termination
    2. 7.2 Functional Block Diagram
    3. 7.3 Feature Description
      1. 7.3.1  Input Voltage Based Dynamic Power Management (VINDPM)
      2. 7.3.2  Dynamic Power Path Management Mode (DPPM)
      3. 7.3.3  Battery Supplement Mode
      4. 7.3.4  Sleep Mode
      5. 7.3.5  SYS Regulation
      6. 7.3.6  ILIM/VSET Control
      7. 7.3.7  Protection Mechanisms
        1. 7.3.7.1 Input Overvoltage Protection
        2. 7.3.7.2 Battery Undervoltage Lockout
        3. 7.3.7.3 Battery Overcurrent Protection
        4. 7.3.7.4 System Overvoltage Protection
        5. 7.3.7.5 System Short Protection
        6. 7.3.7.6 Thermal Protection and Thermal Regulation
        7. 7.3.7.7 Safety Timer
      8. 7.3.8  Pushbutton Long Press Function
      9. 7.3.9  External NTC Monitoring (TS)
        1. 7.3.9.1 TS Biasing and Function
      10. 7.3.10 Status Pins
    4. 7.4 Device Functional Modes
  9. 8 Application and Implementation
    1. 8.1 Application Information
    2. 8.2 Typical Application
      1. 8.2.1 Design Requirements
      2. 8.2.2 Detailed Design Procedure
        1. 8.2.2.1 Input Current and Battery Regulation Voltage - ILIM/VSET
        2. 8.2.2.2 Fast Charge Current- ISET
        3. 8.2.2.3 Recommended Passive Components
      3. 8.2.3 Application Curves
    3. 8.3 Power Supply Recommendations
    4. 8.4 Layout
      1. 8.4.1 Layout Guidelines
      2. 8.4.2 Layout Example
  10. 9 Device and Documentation Support
    1. 9.1 Device Support
      1. 9.1.1 Third-Party Products Disclaimer
    2. 9.2 Receiving Notification of Documentation Updates
    3. 9.3 Support Resources
    4. 9.4 Trademarks
    5. 9.5 Electrostatic Discharge Caution
    6. 9.6 Glossary
  11. 10Revision History
  12. 11Mechanical, Packaging, and Orderable Information

6.7 Typical Characteristics

VIN = 5V, CIN = 2.2µF, COUT = 10µF, CBAT = 1µF (unless otherwise specified)

BQ25185 Battery Regulation Voltage Accuracy vs VBATREG Setting
VIN = 5V
Figure 6-1 Battery Regulation Voltage Accuracy vs VBATREG Setting
BQ25185 Precharge Accuracy vs Battery Voltage
VIN = 5VVBAT = 3.7V
Figure 6-3 Precharge Accuracy vs Battery Voltage
BQ25185 Charge Current Accuracy vs ICHG Setting
VIN = 5VVBAT = 3.7V
Figure 6-2 Charge Current Accuracy vs ICHG Setting
BQ25185 SYS Load Regulation
VIN = 5VVBAT = 3.7V
Figure 6-4 SYS Load Regulation