SLUSF40A October   2024  – December 2024 BQ25190

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 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 Power Control
        1. 7.3.5.1 SYS Pulldown Control
      6. 7.3.6  SYS Regulation
      7. 7.3.7  ILIM Control
      8. 7.3.8  Protection Mechanisms
        1. 7.3.8.1  Input Overvoltage Protection
        2. 7.3.8.2  System Short Protection
        3. 7.3.8.3  Battery Depletion Protection
          1. 7.3.8.3.1 Battery Undervoltage Lockout
        4. 7.3.8.4  Battery Overcurrent Protection
        5. 7.3.8.5  Safety Timer and Watchdog Timer
        6. 7.3.8.6  Buck Overcurrent Protection
        7. 7.3.8.7  LDO Overcurrent Protection
        8. 7.3.8.8  Buck-Boost Overcurrent Protection
        9. 7.3.8.9  Buck-Boost Output Short-Circuit Protection
        10. 7.3.8.10 Buck/Buck-Boost/LDO Undervoltage Lockout
        11. 7.3.8.11 Sequence Undervoltage Lockout
        12. 7.3.8.12 Thermal Protection and Thermal Regulation
      9. 7.3.9  Integrated 12-Bit ADC for Monitoring
        1. 7.3.9.1 ADC Programmable Comparators
      10. 7.3.10 Pushbutton Wake and Reset Input
        1. 7.3.10.1 Pushbutton Short Button Press or Wake Functions
        2. 7.3.10.2 Pushbutton Long Button Press Functions
      11. 7.3.11 VIN Pulse Detection for Hardware Reset
      12. 7.3.12 15-Second VIN Watchdog for Hardware Reset
      13. 7.3.13 Hardware Reset
      14. 7.3.14 Software Reset
      15. 7.3.15 Interrupt to Host (INT)
      16. 7.3.16 External NTC Monitoring (TS)
        1. 7.3.16.1 TS Thresholds
      17. 7.3.17 Power Rail Power Sequence
        1. 7.3.17.1 Power-Up Sequence
        2. 7.3.17.2 Power-Down Sequence
      18. 7.3.18 Integrated Buck Converter (Buck)
      19. 7.3.19 Integrated Buck-Boost Converter (Buck-boost)
      20. 7.3.20 Integrated LDOs (LDO1/LDO2)
      21. 7.3.21 Multi-Function GPIOs
        1. 7.3.21.1 GPIO1 Functions
        2. 7.3.21.2 GPIO2 Functions
        3. 7.3.21.3 GPIO3 Functions
        4. 7.3.21.4 GPIO4 Functions
    4. 7.4 Device Functional Modes
      1. 7.4.1 Ship Mode
        1. 7.4.1.1 LDO1-ON Ship Mode
      2. 7.4.2 Battery Mode
      3. 7.4.3 Adapter Mode
    5. 7.5 Programming
      1. 7.5.1 Serial Interface
        1. 7.5.1.1 Data Validity
        2. 7.5.1.2 START and STOP Conditions
        3. 7.5.1.3 Byte Format
        4. 7.5.1.4 Acknowledge (ACK) and Not Acknowledge (NACK)
        5. 7.5.1.5 Target Address and Data Direction Bit
        6. 7.5.1.6 Single Write and Read
        7. 7.5.1.7 Multi-Write and Multi-Read
    6. 7.6 Register Maps
      1. 7.6.1 BQ25190 Registers
  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 Capacitor Selection
        2. 8.2.2.2 Output Capacitor Selection
        3. 8.2.2.3 Inductor Selection
        4. 8.2.2.4 Recommended Passive Components
      3. 8.2.3 Application Performance Plots
  10. 9 Power Supply Recommendations
  11. 10Layout
    1. 10.1 Layout Guidelines
    2. 10.2 Layout Example
  12. 11Device and Documentation Support
    1. 11.1 Third-Party Products Disclaimer
    2. 11.2 Receiving Notification of Documentation Updates
    3. 11.3 Support Resources
    4. 11.4 Trademarks
    5. 11.5 Electrostatic Discharge Caution
    6. 11.6 Glossary
  13. 12Revision History
  14. 13Mechanical, Packaging, and Orderable Information

1 Features

  • Integrated 1A power path linear battery charger
    • 3.0V to 18.0V input voltage operating range
    • Input voltage up to 25V tolerant
    • Configurable battery regulation voltage with ±0.5% accuracy from 3.5V to 4.65V in 10mV steps
    • 5mA to 1A configurable fast charge current
    • 55mΩ BATFET on-resistance
    • Up to 2.5A discharge current to support high system loads
    • Fully programmable JEITA profile for safe charging over temperature
  • Power path management for powering the system and charging the battery
    • Regulated system voltage ranging from 4.4V to 4.9V in addition to battery voltage tracking and input pass-through options
    • Configurable input current limit
    • Dynamic power path management optimizes charging from weak adapters
    • Selectable adapter or battery for system power
    • Advanced system reset mechanisms
  • Ultra-low quiescent current modes
    • 2μA battery quiescent current in battery mode
    • 15nA battery quiescent current in ship mode
  • Integrated Buck converter with I2C and GPIO programmable DVS output
    • 0.36μA quiescent current from system
    • 0.4V to 1.575V output voltage in 12.5mV steps or 0.4V to 3.6V output voltage in 25mV/50mV steps
    • Up to 600mA output current
  • Integrated Buck-boost converter with I2C programmable DVS output
    • 0.1μA quiescent current from system
    • 1.7V to 5.2V output voltage in 50mV steps
    • Up to 600mA output current for VSYS ≥ 3.0V, VBBOUT = 3.3V
  • Integrated I2C programmable LDOs (LDO1 and LDO2)
    • 25nA quiescent current
    • 0.8V to 3.6V output voltage in 50mV steps
    • Up to 200mA output current
    • LDO1 capabal of remaining on in Ship mode
    • Configurable LDO or Bypass mode
    • Dedicated input pins
  • Integrated fault protection for safety
    • Input current limit and overvoltage protection
    • Battery, integrated rail overcurrent protection
    • Battery depletion protection
    • Thermal regulation and thermal shutdown
  • Integrated 12-bit ADC to monitor input current, BATFET current, input voltage, battery voltage, battery temperature or external voltage signals