ZHCSAD5A October   2012  – December 2014

PRODUCTION DATA.  

  1. 1 特性
  2. 2 应用
  3. 3 说明
  4. 4 修订历史记录
  5. 5 说明（续）
  6. 6 Pin Configuration and 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 Device Power Up
        1. 8.3.1.1 Power-On-Reset (POR)
        2. 8.3.1.2 Power Up from Battery without DC Source
          1. 8.3.1.2.1 BATFET Turn Off
          2. 8.3.1.2.2 Shipping Mode
        3. 8.3.1.3 Power Up from DC Source
          1. 8.3.1.3.1 REGN LDO
          2. 8.3.1.3.2 Input Source Qualification
          3. 8.3.1.3.3 Input Current Limit Detection
          4. 8.3.1.3.4 PSEL/OTG Pins Set Input Current Limit
          5. 8.3.1.3.5 HIZ State wth 100mA USB Host
          6. 8.3.1.3.6 Force Input Current Limit Detection
        4. 8.3.1.4 Converter Power-Up
        5. 8.3.1.5 Boost Mode Operation from Battery
      2. 8.3.2 Power Path Management
        1. 8.3.2.1 Narrow VDC Architecture
        2. 8.3.2.2 Dynamic Power Management
        3. 8.3.2.3 Supplement Mode
      3. 8.3.3 Battery Charging Management
        1. 8.3.3.1 Autonomous Charging Cycle
        2. 8.3.3.2 Battery Charging Profile
        3. 8.3.3.3 Thermistor Cold/Hot Temperature Window
        4. 8.3.3.4 Charging Termination
          1. 8.3.3.4.1 Termination when REG02[0] = 1
          2. 8.3.3.4.2 Termination when REG05[6] = 1
        5. 8.3.3.5 Charging Safety Timer
        6. 8.3.3.6 USB Timer when Charging from USB100mA Source
      4. 8.3.4 Status Outputs (PG, STAT, and INT)
        1. 8.3.4.1 Power Good Indicator (PG)
        2. 8.3.4.2 Charging Status Indicator (STAT)
        3. 8.3.4.3 Interrupt to Host (INT)
      5. 8.3.5 Protections
        1. 8.3.5.1 Input Current Limit on ILIM
        2. 8.3.5.2 Thermal Regulation and Thermal Shutdown
        3. 8.3.5.3 Voltage and Current Monitoring in Buck Mode
          1. 8.3.5.3.1 Input Over-Voltage (ACOV)
          2. 8.3.5.3.2 System Over-Voltage Protection (SYSOVP)
        4. 8.3.5.4 Voltage and Current Monitoring in Boost Mode
          1. 8.3.5.4.1 VBUS Over-Voltage Protection
        5. 8.3.5.5 Battery Protection
          1. 8.3.5.5.1 Battery Over-Current Protection (BATOVP)
          2. 8.3.5.5.2 Charging During Battery Short Protection
          3. 8.3.5.5.3 System Over-Current Protection
      6. 8.3.6 Serial Interface
        1. 8.3.6.1 Data Validity
        2. 8.3.6.2 START and STOP Conditions
        3. 8.3.6.3 Byte Format
        4. 8.3.6.4 Acknowledge (ACK) and Not Acknowledge (NACK)
        5. 8.3.6.5 Slave Address and Data Direction Bit
          1. 8.3.6.5.1 Single Read and Write
          2. 8.3.6.5.2 Multi-Read and Multi-Write
    4. 8.4 Device Functional Modes
      1. 8.4.1 Host Mode and Default Mode
        1. 8.4.1.1 Plug in USB100mA Source with Good Battery
        2. 8.4.1.2 USB Timer when Charging from USB 100-mA Source
    5. 8.5 Register Map
      1. 8.5.1 I2C Registers
        1. 8.5.1.1  Input Source Control Register REG00 (reset = 00110000, or 30)
        2. 8.5.1.2  Power-On Configuration Register REG01 (reset = 00011011, or 1B)
        3. 8.5.1.3  Charge Current Control Register REG02 (reset = 01100000, or 60)
        4. 8.5.1.4  Pre-Charge/Termination Current Control Register REG03 (reset = 00010001, or 11)
        5. 8.5.1.5  Charge Voltage Control Register REG04 (reset = 11001010, or CA)
        6. 8.5.1.6  Charge Termination/Timer Control Register REG05 (reset = 10011010, or 9A)
        7. 8.5.1.7  Thermal Regulation Control Register REG06 (reset = 00000011, or 03)
        8. 8.5.1.8  Misc Operation Control Register REG07 (reset = 01001011, or 4B)
        9. 8.5.1.9  System Status Register REG08
        10. 8.5.1.10 Fault Register REG09
        11. 8.5.1.11 Vender / Part / Revision Status Register REG0A (reset = 00101011, or 2B)
  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 Inductor Selection
        2. 9.2.2.2 Input Capacitor
        3. 9.2.2.3 Output Capacitor
      3. 9.2.3 Application Performance Plots
  10. 10Power Supply Recommendations
  11. 11Layout
    1. 11.1 Layout Guidelines
    2. 11.2 Layout Example
  12. 12器件和文档支持
    1. 12.1 文档支持
      1. 12.1.1 相关文档
    2. 12.2 商标
    3. 12.3 静电放电警告
    4. 12.4 术语表
  13. 13机械、封装和可订购信息

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

  • 高效 2.5A 开关模式充电器
    • 2A 充电电流下的充电效率达 92%
  • 借助 12mΩ 电池放电金属氧化物半导体场效应晶体管 (MOSFET) 实现最高电池放电效率，放电电流高达 9A
  • 单输入 USB 兼容/适配器充电器
    • 输入电压和电流限制支持 USB 2.0 和 USB 3.0
    • 输入电流限值：100mA、150mA、500mA、900mA、1.2A、1.5A、2A 和 3A
  • 输入工作电压范围：3.9V 至 17V
    • 通过输入电压动态电源管理 (DPM) 调节功能支持所有类型的适配器
  • USB OTG 5V/1.3A 同步升压转换器操作
    • 5V/1A 条件下的升压效率达 93%
  • 窄 VDC (NVDC) 电源路径管理
    • 与无电池或深度放电电池工作时可瞬时接通
    • 电池管理模式中的理想二极管运行
  • 薄型电感的开关频率为 1.5MHz
  • 具有或不具有主机管理的自主电池充电
    • 电池充电使能
    • 电池充电预调节
    • 充电终止和再充电
  • 高精度（0°C 至 125°C）
    • 充电电压调节范围为 ±0.5%
    • 充电电流调节范围为 ±7%
    • 输入电流调节范围为 ±7.5%
    • 升压模式下输出调节范围 ±2%
  • 高集成
    • 电源路径管理
    • 同步开关 MOSFET
    • 集成电流感测
    • 阴极负载二极管
    • 内部环路补偿
  • 安全性
    • 电池温度感测和充电安全定时器
    • 热调节和热关断
    • 输入系统过压保护
    • MOSFET 过流保护
  • 针对 LED 或主机处理器的充电状态输出
  • 低电池泄漏电流并支持关闭模式
  • 4.00mm x 4.00mm 紧凑型超薄四方扁平无引线 (VQFN)-24 封装

2 应用

  • 平板电脑和智能手机
  • 便携式音频扬声器
  • 便携式媒体播放器
  • 互联网器件

3 说明

bq24196 是高度集成的开关模式电池管理和系统电源路径管理器件，适用于各类、平板电脑和其他便携式设备的单节锂离子和锂聚合物电池。

器件信息(1)

器件型号 封装 封装尺寸（标称值）
bq24196 VQFN (24) 4.00mm x 4.00mm
  1. 如需了解所有可用封装，请见数据表末尾的可订购产品附录。
中的 BOOT 至 BTST

bq24196 的 PSEL 与 PHY 相连，通过 SDP/DCP 充电并连接两个热敏电阻

bq24196 Bq24196_with_PSEL_from_PHY_charging_from_SDP_DCP_SLUSAW5A.gif

4 修订历史记录

Changes from * Revision (October 2012) to A Revision

  • Added 处理额定值表，特性描述部分，器件功能模式，应用和实施部分，电源相关建议部分，布局部分，器件和文档支持部分以及机械、封装和可订购信息部分。 Go
  • Changed bq24196 的 PSEL 与 PHY 相连，通过 SDP/DCP 充电并连接两个热敏电阻Go
  • Changed VSLEEPZ, VBAT_DPL_HY, VBATGD , ICHG_20pct, VSHORT, IADPT_DPM, KILIM, VBTST_REFRESH in Electrical CharacteristicsGo
  • Added –40°C to 85° to IBAT Test ConditionGo
  • Added REG00[6:3] = 0110 (4.36 V) or 1011 (4.76 V) to VINDPM_REG_ACC Test ConditionsGo
  • Added a MIN value of 435 to KILIMGo
  • Deleted TJunction_REG MIN and MAXGo
  • Changed VOTG_ILIM to IOTG_ILIM and VOTG_HSZCP to IOTG_HSZCPGo
  • Deleted VREGN, VVBUS = 5 V, IREGN = 20 mA MAX valueGo
  • Changed Functional Block DiagramGo
  • Changed REG09[5:4] to REG08[5:4] in Charging Termination sectionGo
  • Changed Charging Safety Timer descriptionGo
  • Changed Host Mode and Default Mode descriptionGo
  • Changed Charge Current Control Register REG02 Bit 0 description and noteGo
  • Changed Charge Voltage Limit from Default: 4.304 V (110010) to Default: 4.208 V (101100)Go
  • Changed BOOT to BTST in Figure 36Go
  • Changed BOOT to BTST in Figure 37Go