SLUSFR7 August   2025 BQ24810

PRODUCTION DATA  

  1.   1
  2. 1 Features
  3. 2 Applications
  4. 3 Description
  5. 4 Pin Configuration 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
    6. 5.6 Timing Requirements
    7. 5.7 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 Device Power Up
        1. 6.3.1.1 Battery Only
        2. 6.3.1.2 Adapter Detect and ACOK Output
          1. 6.3.1.2.1 Adapter Overvoltage (ACOV)
        3. 6.3.1.3 REGN LDO
      2. 6.3.2 System Power Selection
      3. 6.3.3 Current and Power Monitor
        1. 6.3.3.1 High Accuracy Current Sense Amplifier (IADP and IDCHG)
        2. 6.3.3.2 High Accuracy Power Sense Amplifier (PMON)
      4. 6.3.4 Processor Hot Indication for CPU Throttling
      5. 6.3.5 Input Current Dynamic Power Management
        1. 6.3.5.1 Setting Input Current Limit
      6. 6.3.6 Two-Level Adapter Current Limit (Peak Power Mode)
      7. 6.3.7 EMI Switching Frequency Adjust
      8. 6.3.8 Device Protections Features
        1. 6.3.8.1 Charger Timeout
        2. 6.3.8.2 Input Overcurrent Protection (ACOC)
        3. 6.3.8.3 Charge Overcurrent Protection (CHG_OCP)
        4. 6.3.8.4 Battery Overvoltage Protection (BATOVP)
        5. 6.3.8.5 Battery Short
        6. 6.3.8.6 Thermal Shutdown Protection (TSHUT)
        7. 6.3.8.7 Inductor Short, MOSFET Short Protection
    4. 6.4 Device Functional Modes
      1. 6.4.1 Battery Charging in Buck Mode
        1. 6.4.1.1 Setting the Charge Current
        2. 6.4.1.2 Setting the Charge Voltage
        3. 6.4.1.3 Automatic Internal Soft-Start Charger Current
      2. 6.4.2 Hybrid Power Boost Mode
      3. 6.4.3 Battery Only Boost Mode
        1. 6.4.3.1 Setting AC_PLUG_EXIT_DEG in Battery Only Boost Mode
        2. 6.4.3.2 Setting Minimum System Voltage in Battery Only Boost Mode
      4. 6.4.4 Battery Discharge Current Regulation in Hybrid Boost Mode and Battery Only Boost Mode
      5. 6.4.5 Battery LEARN Cycle
      6. 6.4.6 Converter Operational Modes
        1. 6.4.6.1 Continuous Conduction Mode (CCM)
        2. 6.4.6.2 Discontinuous Conduction Mode (DCM)
        3. 6.4.6.3 Non-Sync Mode and Light Load Comparator
    5. 6.5 Programming
      1. 6.5.1 SMBus Interface
        1. 6.5.1.1 SMBus Write-Word and Read-Word Protocols
        2. 6.5.1.2 Timing Diagrams
    6. 6.6 Register Maps
      1. 6.6.1  Battery-Charger Commands
      2. 6.6.2  Setting Charger Options
        1. 6.6.2.1 ChargeOption0 Register
      3. 6.6.3  ChargeOption1 Register
      4. 6.6.4  ChargeOption2 Register
      5. 6.6.5  ChargeOption3 Register
      6. 6.6.6  ChargeOption4 Register
      7. 6.6.7  ProchotOption0 Register
      8. 6.6.8  ProchotOption1 Register
      9. 6.6.9  ProchotStatus Register
      10. 6.6.10 Charge Current Register
      11. 6.6.11 Charge Voltage Register
      12. 6.6.12 Discharge Current Register
      13. 6.6.13 Minimum System Voltage Register
      14. 6.6.14 Input Current Register
      15. 6.6.15 Register Exceptions
  8. 7 Application and Implementation
    1. 7.1 Application Information
    2. 7.2 Typical Applications
      1. 7.2.1 Typical System Schematic
        1. 7.2.1.1 Design Requirements
        2. 7.2.1.2 Detailed Design Procedure
          1. 7.2.1.2.1  Adapter Current Sense Filter
          2. 7.2.1.2.2  Negative Output Voltage Protection
          3. 7.2.1.2.3  Reverse Input Voltage Protection
          4. 7.2.1.2.4  Reduce Battery Quiescent Current
          5. 7.2.1.2.5  CIN Capacitance
          6. 7.2.1.2.6  L1 Inductor Selection
          7. 7.2.1.2.7  CBATT Capacitance
          8. 7.2.1.2.8  Buck Charging Internal Compensation
          9. 7.2.1.2.9  CSYS Capacitance
          10. 7.2.1.2.10 Battery Only Boost Internal Compensation
          11. 7.2.1.2.11 Power MOSFETs Selection
          12. 7.2.1.2.12 Input Filter Design
        3. 7.2.1.3 Application Curves
      2. 7.2.2 Migration from Previous Devices (Does Not Support Battery Only Boost)
        1. 7.2.2.1 Design Requirements
        2. 7.2.2.2 Detailed Design Procedure
          1. 7.2.2.2.1 CSYS Capacitance
        3. 7.2.2.3 Application Curves
    3. 7.3 Power Supply Recommendations
    4. 7.4 Layout
      1. 7.4.1 Layout Guidelines
      2. 7.4.2 Layout Examples
        1. 7.4.2.1 Layout Consideration of Current Path
        2. 7.4.2.2 Layout Consideration of Short Circuit Protection
        3. 7.4.2.3 Layout Consideration for Short Circuit Protection
  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, Packaging, and Orderable Information

封装选项

请参考 PDF 数据表获取器件具体的封装图。

机械数据 (封装 | 引脚)
  • RUY|28
散热焊盘机械数据 (封装 | 引脚)
订购信息

6.6.4 ChargeOption2 Register

Figure 6-8 ChargeOption2 Register (0x38)
15141312111098
PKPWR_TOVLDEN_PKPWRReservedPKPWR_TMAX
R/WR/WRR/W
76543210
EN_EXTILIMEN_BATT_BOOSTVBOOSTReserved
R/WR/WR/WR
LEGEND: R/W = Read/Write; R = Read only; -n = value after reset
Table 6-9 ChargeOption2 Register (0x38)
BITBIT NAMEDESCRIPTION
[15:14]Peak Power Mode Over-load Time
(PKPWR_TOVLD)		Input source maximum over-load time TOVLD in peak power mode.
00: 1 ms (default @ POR)
01: 2 ms
10: 5 ms
11: 10 ms
[13]Peak Power Mode Enable
(EN_PKPWR)		Peak power mode enable.
0: Disable peak power mode (default @ POR)
1: Enable peak power mode
[12:10]Reserved0 - Reserved
[9:8]Peak Power Mode Cycle Time
(PKPWR_TMAX)		Peak power mode cycle time TMAX. Relax time is TMAX - TOVLD.
00: 20 ms (default @ POR)
01: 40 ms
10: 80 ms
11: 1 sec
[7]External Current Limit Enable
(EN_EXTILIM)		External ILIM pin enable to set the charge and discharge current.
0: Charge/discharge current limit is set by REG0x14() and 0x39().
1: Charge/discharge current limit is set by the lower value of ILIM pin and registers. (default at POR)
[6]Battery Only Boost Mode Enable
(EN_BATT_BOOST)		Battery only boost mode enable. When charger exits battery boost due to higher battery voltage or fault, this enable bit does not automatically go to zero.
0: Disable battery only boost mode (default at POR)
1: Enable battery only boost mode.
[5]System Regulation Voltage in Battery Only Boost Mode (VBOOST)System regulation voltage in battery only boost mode.
0: 1.5V + VsysMin() (default at POR)
1: 2.3V + VSysMin()
[4:0]Reserved0 - Reserved