ZHCSI59I July   2009  – May 2018 TPS65070 , TPS65072 , TPS65073 , TPS650731 , TPS650732

UNLESS OTHERWISE NOTED, this document contains PRODUCTION DATA.  

  1. 1 特性
  2. 2 应用
  3. 3 说明
    1.     方框图
  4. 4 修订历史记录
  5. 5 说明 （续）
  6. 6 Device Options
  7. 7 Pin Configuration and Functions
    1.     Pin Functions
  8. 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  Electrical Characteristics - DCDC1 Converter
    7. 8.7  Electrical Characteristics - DCDC2 Converter
    8. 8.8  Electrical Characteristics - DCDC3 Converter
    9. 8.9  Electrical Characteristics - VLDO1 and VLDO2 Low Dropout Regulators
    10. 8.10 Electrical Characteristics - wLED Boost Converter
    11. 8.11 Electrical Characteristics - Reset, PB_IN, PB_OUT, PGood, Power_on, INT, EN_EXTLDO, EN_wLED
    12. 8.12 Electrical Characteristics - ADC Converter
    13. 8.13 Electrical Characteristics - Touch Screen Interface
    14. 8.14 Electrical Characteristics - Power Path
    15. 8.15 Electrical Characteristics - Battery Charger
    16. 8.16 Timing Requirements
    17. 8.17 Dissipation Ratings
    18. 8.18 Typical Characteristics
  9. 9 Parameter Measurement Information
  10. 10Detailed Description
    1. 10.1 Overview
    2. 10.2 Functional Block Diagram
    3. 10.3 Feature Description
      1. 10.3.1  Battery Charger and Power Path
      2. 10.3.2  Power Down
      3. 10.3.3  Power-On Reset
      4. 10.3.4  Power-Path Management
        1. 10.3.4.1 SYS Output
      5. 10.3.5  Battery Charging
        1. 10.3.5.1 I-PRECHARGE
        2. 10.3.5.2 ITERM
        3. 10.3.5.3 Battery Detection and Recharge
        4. 10.3.5.4 Charge Termination On/Off
        5. 10.3.5.5 Timers
        6. 10.3.5.6 Dynamic Timer Function
        7. 10.3.5.7 Timer Fault
      6. 10.3.6  Battery Pack Temperature Monitoring
      7. 10.3.7  Battery Charger State Diagram
      8. 10.3.8  DC-DC Converters and LDOs
        1. 10.3.8.1 Operation
        2. 10.3.8.2 DCDC1 Converter
        3. 10.3.8.3 DCDC2 Converter
        4. 10.3.8.4 DCDC3 Converter
      9. 10.3.9  Power Save Mode
        1. 10.3.9.1 Dynamic Voltage Positioning
        2. 10.3.9.2 100% Duty Cycle Low Dropout Operation
        3. 10.3.9.3 Undervoltage Lockout
      10. 10.3.10 Short-Circuit Protection
        1. 10.3.10.1 Soft Start
      11. 10.3.11 Enable
        1. 10.3.11.1 RESET (TPS65070, TPS65073, TPS650731, TPS650732 Only)
        2. 10.3.11.2 PGOOD (Reset Signal For Applications Processor)
        3. 10.3.11.3 PB_IN (Push-Button IN)
        4. 10.3.11.4 PB_OUT
        5. 10.3.11.5 POWER_ON
        6. 10.3.11.6 EN_wLED (TPS65072 Only)
        7. 10.3.11.7 EN_EXTLDO (TPS65072 Only)
      12. 10.3.12 Short-Circuit Protection
      13. 10.3.13 Thermal Shutdown
        1. 10.3.13.1 Low Dropout Voltage Regulators
        2. 10.3.13.2 White LED Boost Converter
        3. 10.3.13.3 A/D Converter
        4. 10.3.13.4 Touch Screen Interface (only for TPS65070, TPS65073, TPS650731, TPS650732)
          1. 10.3.13.4.1 Performing Measurements Using the Touch Screen Controller
    4. 10.4 Device Functional Modes
    5. 10.5 Programming
      1. 10.5.1 I2C Interface Specification
        1. 10.5.1.1 Serial interface
    6. 10.6 Register Maps
      1. 10.6.1  PPATH1. Register Address: 01h
      2. 10.6.2  INT. Register Address: 02h
      3. 10.6.3  CHGCONFIG0. Register Address: 03h
      4. 10.6.4  CHGCONFIG1. Register Address: 04h
      5. 10.6.5  CHGCONFIG2. Register Address: 05h
      6. 10.6.6  CHGCONFIG3. Register Address: 06h
      7. 10.6.7  ADCONFIG. Register Address: 07h
      8. 10.6.8  TSCMODE. Register Address: 08h
      9. 10.6.9  ADRESULT_1. Register Address: 09h
      10. 10.6.10 ADRESULT_2. Register Address: 0Ah
      11. 10.6.11 PGOOD. Register Address: 0Bh
      12. 10.6.12 PGOODMASK. Register Address: 0Ch
      13. 10.6.13 CON_CTRL1. Register Address: 0Dh
      14. 10.6.14 CON_CTRL2. Register Address: 0Eh
      15. 10.6.15 CON_CTRL3. Register Address: 0Fh
      16. 10.6.16 DEFDCDC1. Register Address: 10h
      17. 10.6.17 DEFDCDC2_LOW. Register Address: 11h
      18. 10.6.18 DEFDCDC2_HIGH. Register Address: 12h
      19. 10.6.19 DEFDCDC3_LOW. Register Address: 13h
      20. 10.6.20 DEFDCDC3_HIGH. Register Address: 14h
      21. 10.6.21 DEFSLEW. Register Address: 15h
      22. 10.6.22 LDO_CTRL1. Register Address: 16h
      23. 10.6.23 DEFLDO2. Register Address: 17h
      24. 10.6.24 WLED_CTRL1. Register Address: 18h
      25. 10.6.25 WLED_CTRL2. Register Address: 19h
  11. 11Application and Implementation
    1. 11.1 Application Information
      1. 11.1.1 Power Solutions For Different Application Processors
        1. 11.1.1.1 Default Settings
        2. 11.1.1.2 Starting TPS6507x
    2. 11.2 Typical Applications
      1. 11.2.1 General PMIC Application
        1. 11.2.1.1 Design Requirements
        2. 11.2.1.2 Detailed Design Procedure
          1. 11.2.1.2.1 Output Filter Design (Inductor and Output Capacitor)
            1. 11.2.1.2.1.1 Inductor Selection
            2. 11.2.1.2.1.2 Output Capacitor Selection
            3. 11.2.1.2.1.3 Input Capacitor Selection/Input Voltage
            4. 11.2.1.2.1.4 Output Voltage Selection
            5. 11.2.1.2.1.5 Voltage Change on DCDC2 and DCDC3
          2. 11.2.1.2.2 LDOs
            1. 11.2.1.2.2.1 Output Capacitor Selection
            2. 11.2.1.2.2.2 Input Capacitor Selection
            3. 11.2.1.2.2.3 Output Voltage Change For LDO1 and LDO2
            4. 11.2.1.2.2.4 Unused LDOs
          3. 11.2.1.2.3 White-LED Boost Converter
            1. 11.2.1.2.3.1 LED-Current Setting/Dimming
            2. 11.2.1.2.3.2 Setup
            3. 11.2.1.2.3.3 Setting the LED Current
            4. 11.2.1.2.3.4 Inductor Selection
            5. 11.2.1.2.3.5 Diode Selection
            6. 11.2.1.2.3.6 Output Capacitor Selection
            7. 11.2.1.2.3.7 Input Capacitor Selection
          4. 11.2.1.2.4 Battery Charger
            1. 11.2.1.2.4.1 Temperature Sensing
            2. 11.2.1.2.4.2 Changing the Charging Temperature Range (Default 0°C to 45°C)
        3. 11.2.1.3 Application Curves
      2. 11.2.2 Powering OMAP-L138
        1. 11.2.2.1 Design Requirements
        2. 11.2.2.2 Detailed Design Procedure
      3. 11.2.3 Powering Atlas IV
        1. 11.2.3.1 Design Requirements
        2. 11.2.3.2 Detailed Design Procedure
          1. 11.2.3.2.1 Prima SLEEP Mode and DEEP SLEEP Mode Support
          2. 11.2.3.2.2 SLEEP Mode
          3. 11.2.3.2.3 DEEP SLEEP Mode
      4. 11.2.4 OMAP35xx (Supporting SYS-OFF Mode)
        1. 11.2.4.1 Design Requirements
        2. 11.2.4.2 Detailed Design Procedure
      5. 11.2.5 TPS650731 for OMAP35xx
        1. 11.2.5.1 Design Requirements
        2. 11.2.5.2 Detailed Design Procedure
      6. 11.2.6 Powering AM3505 Using TPS650732
        1. 11.2.6.1 Design Requirements
        2. 11.2.6.2 Detailed Design Procedure
  12. 12Power Supply Recommendations
  13. 13Layout
    1. 13.1 Layout Guidelines
    2. 13.2 Layout Example
  14. 14器件和文档支持
    1. 14.1 器件支持
      1. 14.1.1 第三方米6体育平台手机版_好二三四免责声明
    2. 14.2 文档支持
      1. 14.2.1 相关文档
    3. 14.3 相关链接
    4. 14.4 接收文档更新通知
    5. 14.5 社区资源
    6. 14.6 商标
    7. 14.7 静电放电警告
    8. 14.8 术语表
  15. 15机械、封装和可订购信息

11.2.1.2.1.5 Voltage Change on DCDC2 and DCDC3

The output voltage of DCDC2 and DCDC3 can be changed during operation from, for example, 1 V to 1.2 V (TPS65070) and back by toggling the DEFDCDC2 or DEFDCDC3 pin. The status of the DEFDCDC3 pin is sensed during operation and the voltage is changed as soon as the logic level on this pin changes from low to high or vice versa.

The output voltage for DCDC2 and DCDC3 can also be changed by changing the register content in registers DEFDCDC2_LOW, DEFDCDC2_HIGH, DEFDCDC3_LOW and DEFDCDC3_HIGH.
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