SLUSAH0F October   2011  – November 2019 BQ25504

PRODUCTION DATA.  

  1. 1 Features
  2. 2 Applications
  3. 3 Description
    1.     Solar Application Circuit
  4. 4 Revision History
  5. 5 Description (continued)
  6. 6 Pin Configuration and Functions
    1.     Pin Functions
  7. 7 Specifications
    1. 7.1 Absolute Maximum Ratings
    2. 7.2 ESD Ratings
    3. 7.3 Recommended Operating Conditions
    4. 7.4 Thermal Information
    5. 7.5 Electrical Characteristics
    6. 7.6 Typical Characteristics
  8. 8 Detailed Description
    1. 8.1 Overview
    2. 8.2 Functional Block Diagram
    3. 8.3 Feature Description
      1. 8.3.1 Maximum Power Point Tracking
      2. 8.3.2 Battery Undervoltage Protection
      3. 8.3.3 Battery Overvoltage Protection
      4. 8.3.4 Battery Voltage in Operating Range (VBAT_OK Output)
      5. 8.3.5 Nano-Power Management and Efficiency
    4. 8.4 Device Functional Modes
      1. 8.4.1 Cold-Start Operation (VSTOR < VSTOR_CHGEN, VIN_DC > VIN(CS) and PIN > PIN(CS))
      2. 8.4.2 Main Boost Charger Enabled (VSTOR > VSTOR_CHGEN, VIN_DC > VIN(DC) and EN = LOW )
      3. 8.4.3 Thermal Shutdown
  9. 9 Application and Implementation
    1. 9.1 Application Information
      1. 9.1.1 Storage Element Selection
      2. 9.1.2 Inductor Selection
      3. 9.1.3 Capacitor Selection
        1. 9.1.3.1 VREF_SAMP Capacitance
        2. 9.1.3.2 VIN_DC Capacitance
        3. 9.1.3.3 VSTOR Capacitance
        4. 9.1.3.4 Additional Capacitance on VSTOR or VBAT
    2. 9.2 Typical Applications
      1. 9.2.1 Solar Application Circuit
        1. 9.2.1.1 Design Requirements
        2. 9.2.1.2 Detailed Design Procedure
        3. 9.2.1.3 Application Curves
      2. 9.2.2 TEG Application Circuit
        1. 9.2.2.1 Design Requirements
        2. 9.2.2.2 Detailed Design Procedure
        3. 9.2.2.3 Application Curves
      3. 9.2.3 MPPT Disabled, Low Impedance Source Application Circuit
        1. 9.2.3.1 Design Requirements
        2. 9.2.3.2 Detailed Design Procedure
        3. 9.2.3.3 Application Curves
  10. 10Power Supply Recommendations
  11. 11Layout
    1. 11.1 Layout Guidelines
    2. 11.2 Layout Example
    3. 11.3 Thermal Considerations
  12. 12Device and Documentation Support
    1. 12.1 Device Support
      1. 12.1.1 Third-Party Products Disclaimer
      2. 12.1.2 Zip Files
    2. 12.2 Documentation Support
      1. 12.2.1 Related Documentation
    3. 12.3 Receiving Notification of Documentation Updates
    4. 12.4 Support Resources
    5. 12.5 Trademarks
    6. 12.6 Electrostatic Discharge Caution
    7. 12.7 Glossary
  13. 13Mechanical, Packaging, and Orderable Information

Package Options

Mechanical Data (Package|Pins)
Thermal pad, mechanical data (Package|Pins)
Orderable Information

4 Revision History

Changes from E Revision (March 2019) to F Revision

  • Deleted Not Recommended for New Designs Go

Changes from D Revision (December 2018) to E Revision

  • Changed Feature From: VIN ≥ 80 mV (Typical) To: VIN ≥ 130 mV (Typical)Go
  • Changed From: VIN as low as 330 mV To: VIN as low as 600 mV in the DescriptionGo
  • Changed From: "harvest energy down to VIN = 80 mV." To: "harvest energy down to VIN = 130 mV." in the DescriptionGo
  • Changed From: "330 mV typical,.." To: "600 mV typical,.." in the second paragraph of the Overview sectionGo
  • Changed Figure 11Go
  • Changed From: "VIN(CS) = 330 mV typical." To: "VIN(CS) = 600 mV typical." in the second paragraph of the Cold-Start Operation sectionGo

Changes from C Revision (June 2015) to D Revision

  • Changed Feature From: Cold-Start Voltage: VIN ≥ 330 mV (Typical) To: Cold-Start Voltage: VIN ≥ 600 mV (Typical) Go
  • Changed the RGT Package appearance Go
  • Moved Tstg to the Absolute Maximum Ratings tableGo
  • Changed Handling Ratings To: ESD RatingsGo
  • Increased VIN(CS) From: TYP = 330 mV and MAX = 450 mV To: TYP = 600 mV and MAX = 700 mV in Electrical Characteristics tableGo

Changes from B Revision (December 2014) to C Revision

Changes from A Revision (September 2012) to B Revision

  • Added Handling Rating table, Feature Description section, Device Functional Modes, Application and Implementation section, Power Supply Recommendations section, Layout section, Device and Documentation Support section, and Mechanical, Packaging, and Orderable Information sectionGo

Changes from * Revision (October 2011) to A Revision

  • Added the INTENDED OPERATION sectionGo
  • Changed the Cold -Start Operation sectionGo
  • Changed the Boost Converter, Charger Operation sectionGo
  • Changed the Storage Element sectionGo
  • Changed the CAPACITOR SELECTION sectionGo
  • Added CFLTR and Notes 1 and 2 to Figure 14Go
  • Added CFLTR and Notes 1 and 2 to Figure 21Go
  • Added CFLTR and Notes 1 and 2 to Figure 28Go