ZHCSGD8A May   2017  – May 2018

PRODUCTION DATA.  

  1. 1 特性
  2. 2 应用
  3. 3 说明
    1.     Device Images
      1.      703A I2C
  4. 4 修订历史记录
  5. 5 说明 （续）
  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 Timing Requirements
    7. 7.7 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 Power-Up from Battery Without DC Source
      2. 8.3.2 Power-Up From DC Source
        1. 8.3.2.1 CHRG_OK Indicator
        2. 8.3.2.2 Input Voltage and Current Limit Setup
        3. 8.3.2.3 Battery Cell Configuration
        4. 8.3.2.4 Device Hi-Z State
      3. 8.3.3 USB On-The-Go (OTG)
      4. 8.3.4 Converter Operation
        1. 8.3.4.1 Inductor Setting through IADPT Pin
        2. 8.3.4.2 Continuous Conduction Mode (CCM)
        3. 8.3.4.3 Pulse Frequency Modulation (PFM)
      5. 8.3.5 Current and Power Monitor
        1. 8.3.5.1 High-Accuracy Current Sense Amplifier (IADPT and IBAT)
        2. 8.3.5.2 High-Accuracy Power Sense Amplifier (PSYS)
      6. 8.3.6 Input Source Dynamic Power Manage
      7. 8.3.7 Two-Level Adapter Current Limit (Peak Power Mode)
      8. 8.3.8 Processor Hot Indication
        1. 8.3.8.1 PROCHOT During Low Power Mode
        2. 8.3.8.2 PROCHOT Status
      9. 8.3.9 Device Protection
        1. 8.3.9.1 Watchdog Timer
        2. 8.3.9.2 Input Overvoltage Protection (ACOV)
        3. 8.3.9.3 Input Overcurrent Protection (ACOC)
        4. 8.3.9.4 System Overvoltage Protection (SYSOVP)
        5. 8.3.9.5 Battery Overvoltage Protection (BATOVP)
        6. 8.3.9.6 Battery Short
        7. 8.3.9.7 Thermal Shutdown (TSHUT)
    4. 8.4 Device Functional Modes
      1. 8.4.1 Forward Mode
        1. 8.4.1.1 System Voltage Regulation with Narrow VDC Architecture
        2. 8.4.1.2 Battery Charging
      2. 8.4.2 USB On-The-Go
    5. 8.5 Programming
      1. 8.5.1 I2C Serial Interface
        1. 8.5.1.1 Data Validity
        2. 8.5.1.2 START and STOP Conditions
        3. 8.5.1.3 Byte Format
        4. 8.5.1.4 Acknowledge (ACK) and Not Acknowledge (NACK)
        5. 8.5.1.5 Slave Address and Data Direction Bit
        6. 8.5.1.6 Single Read and Write
        7. 8.5.1.7 Multi-Read and Multi-Write
        8. 8.5.1.8 Write 2-Byte I2C Commands
    6. 8.6 Register Map
      1. 8.6.1  Setting Charge and PROCHOT Options
        1. 8.6.1.1 ChargeOption0 Register (I2C address = 01/00h) [reset = E20Eh]
          1. Table 5. ChargeOption0 Register (I2C address = 01h) Field Descriptions
          2. Table 6. ChargeOption0 Register (I2C address = 00h) Field Descriptions
        2. 8.6.1.2 ChargeOption1 Register (I2C address = 31/30h) [reset = 211h]
          1. Table 7. ChargeOption1 Register (I2C address = 31h) Field Descriptions
          2. Table 8. ChargeOption1 Register (I2C address = 30h) Field Descriptions
        3. 8.6.1.3 ChargeOption2 Register (I2C address = 33/32h) [reset = 2B7]
          1. Table 9.  ChargeOption2 Register (I2C address = 33h) Field Descriptions
          2. Table 10. ChargeOption2 Register (I2C address = 32h) Field Descriptions
        4. 8.6.1.4 ChargeOption3 Register (I2C address = 35/34h) [reset = 0h]
          1. Table 11. ChargeOption3 Register (I2C address = 35h) Field Descriptions
          2. Table 12. ChargeOption3 Register (I2C address = 34h) Field Descriptions
        5. 8.6.1.5 ProchotOption0 Register (I2C address = 37/36h) [reset = 04A54h]
          1. Table 13. ProchotOption0 Register (I2C address = 37h) Field Descriptions
          2. Table 14. ProchotOption0 Register (I2C address = 36h) Field Descriptions
        6. 8.6.1.6 ProchotOption1 Register (I2C address = 39/38h) [reset = 8120h]
          1. Table 15. ProchotOption1 Register (I2C address = 39h) Field Descriptions
          2. Table 16. ProchotOption1 Register (I2C address = 38h) Field Descriptions
        7. 8.6.1.7 ADCOption Register (I2C address = 3B/3Ah) [reset = 2000h]
          1. Table 17. ADCOption Register (I2C address = 3Bh) Field Descriptions
          2. Table 18. ADCOption Register (I2C address = 3Ah) Field Descriptions
      2. 8.6.2  Charge and PROCHOT Status
        1. 8.6.2.1 ChargerStatus Register (I2C address = 21/20h) [reset = 0000h]
          1. Table 19. ChargerStatus Register (I2C address = 21h) Field Descriptions
          2. Table 20. ChargerStatus Register (I2C address = 20h) Field Descriptions
        2. 8.6.2.2 ProchotStatus Register (I2C address = 23/22h) [reset = 0h]
          1. Table 21. ProchotStatus Register (I2C address = 23h) Field Descriptions
          2. Table 22. ProchotStatus Register (I2C address = 22h) Field Descriptions
      3. 8.6.3  ChargeCurrent Register (I2C address = 03/02h) [reset = 0h]
        1. Table 23. Charge Current Register (14h) With 10-mΩ Sense Resistor (I2C address = 03h) Field Descriptions
        2. Table 24. Charge Current Register (14h) With 10-mΩ Sense Resistor (I2C address = 02h) Field Descriptions
        3. 8.6.3.1   Battery Pre-Charge Current Clamp
      4. 8.6.4  MaxChargeVoltage Register (I2C address = 05/04h) [reset value based on CELL_BATPRESZ pin setting]
        1. Table 25. MaxChargeVoltage Register (I2C address = 05h) Field Descriptions
        2. Table 26. MaxChargeVoltage Register (I2C address = 04h) Field Descriptions
      5. 8.6.5  MinSystemVoltage Register (I2C address = 0D/0Ch) [reset value based on CELL_BATPRESZ pin setting]
        1. Table 27. MinSystemVoltage Register (I2C address = 0Dh) Field Descriptions
        2. Table 28. MinSystemVoltage Register (I2C address = 0Ch) Field Descriptions
        3. 8.6.5.1   System Voltage Regulation
      6. 8.6.6  Input Current and Input Voltage Registers for Dynamic Power Management
        1. 8.6.6.1 Input Current Registers
          1. 8.6.6.1.1 IIN_HOST Register With 10-mΩ Sense Resistor (I2C address = 0F/0Eh) [reset = 4000h]
            1. Table 29. IIN_HOST Register With 10-mΩ Sense Resistor (I2C address = 0Fh) Field Descriptions
            2. Table 30. IIN_HOST Register With 10-mΩ Sense Resistor (I2C address = 0Eh) Field Descriptions
          2. 8.6.6.1.2 IIN_DPM Register With 10-mΩ Sense Resistor (I2C address = 25/24h) [reset = 0h]
            1. Table 31. IIN_DPM Register With 10-mΩ Sense Resistor (I2C address = 25h) Field Descriptions
            2. Table 32. IIN_DPM Register With 10-mΩ Sense Resistor (I2C address = 24h) Field Descriptions
          3. 8.6.6.1.3 InputVoltage Register (I2C address = 0B/0Ah) [reset = VBUS-1.28V]
            1. Table 33. InputVoltage Register (I2C address = 0Bh) Field Descriptions
            2. Table 34. InputVoltage Register (I2C address = 0Ah) Field Descriptions
      7. 8.6.7  OTGVoltage Register (I2C address = 07/06h) [reset = 0h]
        1. Table 35. OTGVoltage Register (I2C address = 07h) Field Descriptions
        2. Table 36. OTGVoltage Register (I2C address = 06h) Field Descriptions
      8. 8.6.8  OTGCurrent Register (I2C address = 09/08h) [reset = 0h]
        1. Table 37. OTGCurrent Register (I2C address = 09h) Field Descriptions
        2. Table 38. OTGCurrent Register (I2C address = 08h) Field Descriptions
      9. 8.6.9  ADCVBUS/PSYS Register (I2C address = 27/26h)
        1. Table 39. ADCVBUS/PSYS Register (I2C address = 27h) Field Descriptions
        2. Table 40. ADCVBUS/PSYS Register (I2C address = 26h) Field Descriptions
      10. 8.6.10 ADCIBAT Register (I2C address = 29/28h)
        1. Table 41. ADCIBAT Register (I2C address = 29h) Field Descriptions
        2. Table 42. ADCIBAT Register (I2C address = 28h) Field Descriptions
      11. 8.6.11 ADCIINCMPIN Register (I2C address = 2B/2Ah)
        1. Table 43. ADCIINCMPIN Register (I2C address = 2Bh) Field Descriptions
        2. Table 44. ADCIINCMPIN Register (I2C address = 2Ah) Field Descriptions
      12. 8.6.12 ADCVSYSVBAT Register (I2C address = 2D/2Ch)
        1. Table 45. ADCVSYSVBAT Register (I2C address = 2Dh) Field Descriptions
        2. Table 46. ADCVSYSVBAT Register (I2C address = 2Ch) Field Descriptions
      13. 8.6.13 ID Registers
        1. 8.6.13.1 ManufactureID Register (I2C address = 2Eh) [reset = 0040h]
          1. Table 47. ManufactureID Register Field Descriptions
        2. 8.6.13.2 Device ID (DeviceAddress) Register (I2C address = 2Fh) [reset = 0h]
          1. Table 48. Device ID (DeviceAddress) Register Field Descriptions
  9. 9 Application and Implementation
    1. 9.1 Application Information
    2. 9.2 Typical Application
      1. 9.2.1 Design Requirements
      2. 9.2.2 Detailed Design Procedure
        1. 9.2.2.1 ACP-ACN Input Filter
        2. 9.2.2.2 Inductor Selection
        3. 9.2.2.3 Input Capacitor
        4. 9.2.2.4 Output Capacitor
        5. 9.2.2.5 Power MOSFETs Selection
      3. 9.2.3 Application Curves
  10. 10Power Supply Recommendations
  11. 11Layout
    1. 11.1 Layout Guidelines
    2. 11.2 Layout Example
      1. 11.2.1 Layout Consideration of Current Path
      2. 11.2.2 Layout Consideration of Short Circuit Protection
  12. 12器件和文档支持
    1. 12.1 器件支持
      1. 12.1.1 第三方产品免责声明
    2. 12.2 文档支持
      1. 12.2.1 相关文档
    3. 12.3 接收文档更新通知
    4. 12.4 社区资源
    5. 12.5 商标
    6. 12.6 静电放电警告
    7. 12.7 术语表
  13. 13机械、封装和可订购信息
    1. 13.1 Package Option Addendum
      1. 13.1.1 Packaging Information
      2. 13.1.2 Tape and Reel Information

封装选项

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

1 特性

  • 从各种输入源为 1 至 4 节电池充电
    • 3.5V 至 24V 输入工作电压
    • 支持 USB 2.0、USB 3.0、USB 3.1 (Type-C) 和 USB_PD 输入电流设置
    • 在降压和升压操作之间进行无缝转换
    • 提供输入电流和电压调节（IDPM 和 VDPM）以防电源过载
  • 用于 CPU 节流的功率/电流监控器
    • 综合 PROCHOT 设置，符合 IMVP8
    • 输入和电池电流监控器
    • 系统功率监控器，符合 IMVP8
  • 窄 VDC (NVDC) 电源路径管理
    • 无需电池或使用深度放电的电池亦可瞬时启动
    • 适配器满载时，电池可为系统补充电量
  • 从电池给 USB 端口加电 (USB OTG)
    • 输出 4.48V 至 20.8V 与 USB PD 兼容
    • 输出电流限制高达 6.35A
  • 用于 1µH 至 3.3µH 电感器的 800kHz 或 1.2MHz 可编程开关频率
  • 可通过主机控制接口实现灵活系统配置
    • I2C (bq25703A) 端口用于优化系统性能和状态报告
    • 硬件引脚可用于设置输入电流限制，无需 EC 控制
  • 集成型 ADC 可监控电压、电流和功率
  • 高精度调节和监控
    • ±0.5% 充电电压调节
    • ±2% 输入/充电电流调节
    • ±2% 输入/充电电流监控
    • ±5% 功率监控器
  • 安全性
    • 热关断
    • 输入、系统、电池过电压保护
    • MOSFET 电感过流保护
  • 低电池静态电流
  • 输入电流优化器 (ICO) 可获取最大输入功率
  • 为任意化学电池充电：Li+、LiFePO4、镍镉、镍氢、铅酸
  • 封装：32 引脚 4 x 4 WQFN