SLUSDO1B june   2019  – august 2023 BQ25155

PRODUCTION DATA  

  1.   1
  2. 1 Features
  3. 2 Applications
  4. 3 Description
  5. 4 Revision History
  6. 5 Description (continued)
  7. 6 Device Key Default Settings
  8. 7 Pin Configuration and Functions
  9. 8 Specifications
    1. 8.1 Absolute Maximum Ratings
    2. 8.2 ESD Ratings
    3. 8.3 Recommended Operating Conditions
    4. 8.4 Thermal Information
    5. 8.5 Electrical Characteristics
    6. 8.6 Timing Requirements
    7. 8.7 Typical Characteristics
  10. 9 Detailed Description
    1. 9.1 Overview
    2. 9.2 Functional Block Diagram
    3. 9.3 Feature Description
      1. 9.3.1  Linear Charger and Power Path
        1. 9.3.1.1 Battery Charging Process
          1. 9.3.1.1.1 Pre-Charge
          2. 9.3.1.1.2 Fast Charge
          3. 9.3.1.1.3 Pre-Charge to Fast Charge Transitions and Charge Current Ramping
          4. 9.3.1.1.4 Termination
        2. 9.3.1.2 JEITA and Battery Temperature Dependent Charging
        3. 9.3.1.3 Input Voltage Based Dynamic Power Management (VINDPM) and Dynamic Power Path Management (DPPM)
        4. 9.3.1.4 Battery Supplement Mode
      2. 9.3.2  Protection Mechanisms
        1. 9.3.2.1 Input Over-Voltage Protection
        2. 9.3.2.2 Safety Timer and I2C Watchdog Timer
        3. 9.3.2.3 Thermal Protection and Thermal Charge Current Foldback
        4. 9.3.2.4 Battery Short and Over Current Protection
        5. 9.3.2.5 PMID Short Circuit
      3. 9.3.3  ADC
        1. 9.3.3.1 ADC Operation in Active Battery Mode and Low Power Mode
        2. 9.3.3.2 ADC Operation When VIN Present
        3. 9.3.3.3 ADC Measurements
        4. 9.3.3.4 ADC Programmable Comparators
      4. 9.3.4  VDD LDO
      5. 9.3.5  Load Switch/LDO Output and Control
      6. 9.3.6  PMID Power Control
      7. 9.3.7  System Voltage (PMID) Regulation
      8. 9.3.8  MR Wake and Reset Input
        1. 9.3.8.1 MR Wake or Short Button Press Functions
        2. 9.3.8.2 MR Reset or Long Button Press Functions
      9. 9.3.9  14-Second Watchdog for HW Reset
      10. 9.3.10 Faults Conditions and Interrupts ( INT)
        1. 9.3.10.1 Flags and Fault Condition Response
      11. 9.3.11 Power Good ( PG) Pin
      12. 9.3.12 External NTC Monitoring (TS)
        1. 9.3.12.1 TS Thresholds
      13. 9.3.13 External NTC Monitoring (ADCIN)
      14. 9.3.14 I2C Interface
        1. 9.3.14.1 F/S Mode Protocol
    4. 9.4 Device Functional Modes
      1. 9.4.1 Ship Mode
      2. 9.4.2 Low Power
      3. 9.4.3 Active Battery
      4. 9.4.4 Charger/Adapter Mode
      5. 9.4.5 Power-Up/Down Sequencing
    5. 9.5 Register Map
      1. 9.5.1 I2C Registers
  11. 10Application and Implementation
    1. 10.1 Application Information
    2. 10.2 Typical Application
      1. 10.2.1 Design Requirements
      2. 10.2.2 Detailed Design Procedure
        1. 10.2.2.1 Input (IN/PMID) Capacitors
        2. 10.2.2.2 VDD, LDO Input and Output Capacitors
        3. 10.2.2.3 TS
        4. 10.2.2.4 Recommended Passive Components
      3. 10.2.3 Application Curves
  12. 11Power Supply Recommendations
  13. 12Layout
    1. 12.1 Layout Guidelines
    2. 12.2 Layout Example
  14. 13Device and Documentation Support
    1. 13.1 Device Support
      1. 13.1.1 Third-Party Products Disclaimer
    2. 13.2 Documentation Support
      1. 13.2.1 Related Documentation
    3. 13.3 Receiving Notification of Documentation Updates
    4. 13.4 Support Resources
    5. 13.5 Electrostatic Discharge Caution
    6. 13.6 Trademarks
    7. 13.7 Glossary
  15. 14Mechanical, Packaging, and Orderable Information

Package Options

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

10.2.3 Application Curves

GUID-4312D926-3D43-4359-A506-5697F88AFE95-low.png
VIN = 5V VBAT = 0V
Figure 10-2 Power Up from IN Supply Insertion with No Battery
GUID-23C1DFD5-AE1F-4191-860B-4564BA779FBD-low.png
VIN = 0V VBAT = 3.6V
Figure 10-4 Wake In To Ship Mode on Battery Insertion with No IN Supply
GUID-26348974-C9AD-48DF-83AF-B2965B8E692C-low.png
VIN = 0V VBAT = 3.6V
Figure 10-6 HW Reset on MR Long Button Press
GUID-92EB5E45-B208-418F-BAAD-2DC0F59E4A40-low.png
VIN = 0V VBAT = 3.6V
Figure 10-8 HW Reset Through I2C Command
GUID-5AB59A59-D3E2-42F1-9DC2-7C9021CB07D8-low.png
VIN = 5V VBAT = 3.6V
Figure 10-10 PG Power Good Function - IN Supply Insertion
GUID-B97CF4B7-F1EB-4DB3-AEAC-BAECD574A037-low.png
VIN = 5VVBAT = 3.6V
Figure 10-12 PGMR Level Shift Function - MR Rising
GUID-17E590FC-E3CA-4D7F-9185-DBF31D81C863-low.png
VBAT = 3.6V
Figure 10-14 PG General Purpose Output Function - GPO_PG Bit Toggle
GUID-C9C8B777-F022-46CF-B723-7FA8517E287E-low.png
VBAT = 3.6VNo load
Figure 10-16 LDO Disable Through I2C (EN_LS_LDO)
GUID-F4279D61-4C50-4DF6-A6C7-A221AFE6DB37-low.png
VIN = 0VVBAT = 2.4VVINLS = VPMID
Figure 10-18 LDO Load Transient - VLDO = 1.8V
GUID-2FD582B6-DC02-4A87-9534-35332FCE1B6F-low.png
VIN = 0VVBAT = 3.6VVINLS = VPMID
Figure 10-20 LDO Load Transient - VLDO = 1.2V
GUID-5FF27A70-8479-48E9-B9B7-88FDF28747D6-low.png
VIN = 5V VBAT = 3.6V
Figure 10-3 Power Up from Ship Mode with IN Supply Insertion
GUID-B59EAB82-34E2-4798-8029-EC420BC7CF7B-low.png
VIN = 0V VBAT = 3.6V
Figure 10-5 Power Up from Ship Mode with MR Press
GUID-053E752D-1EFC-4158-8C89-BE93D1E8EB7D-low.png
VIN = 0V VBAT = 3.6V LBPRESS_ACTION= 01
Figure 10-7 Ship Mode Entry with MR Long Button Press
GUID-FAF49F8E-CF13-4880-8E22-ECBFF5E0B3EA-low.png
VIN = 5V VBAT = 3.6V SHIPMODE_EN = 1
Figure 10-9 Ship Mode Entry on IN Supply Removal
GUID-45FE29FC-9D5A-414A-9AC4-140BC8DA1CC9-low.png
VIN = 5V VBAT = 3.6V
Figure 10-11 PG Power Good Function - IN Supply Removal
GUID-EC528EF5-3F2D-4B4A-9E27-506296804345-low.png
VBAT = 3.6V
Figure 10-13 PGMR Level Shift Function - MR Falling
GUID-F2FA629E-282B-48DE-B889-31FEAA7A2CF4-low.png
VBAT = 3.6VNo load
Figure 10-15 LDO Enable Through I2C (EN_LS_LDO)
GUID-DD060BC3-019A-4BAE-AD10-57FFB0C80C39-low.png
VIN = 0VVBAT = 3.6VVINLS = VPMID
Figure 10-17 LDO Load Transient - VLDO = 1.8V
GUID-4E6BB721-6F82-4C04-8738-0EB7A98F14BB-low.png
VIN = 0VVBAT = 3.8VVINLS = VPMID
Figure 10-19 LDO Load Transient - VLDO = 3.3V
GUID-1520F317-2717-4540-8631-CE023208B5A3-low.png
VIN = 5V
Figure 10-21 TS Biasing and Voltage Behavior when VIN is Present