ZHCS267A May   2011  – December 2016

PRODUCTION DATA.  

  1. 1 特性
  2. 2 应用
  3. 3 说明
  4. 4 修订历史记录
  5. 5 Pin Configuration and Functions
  6. 6 Specifications
    1. 6.1 Absolute Maximum Ratings
    2. 6.2 ESD Ratings
    3. 6.3 Recommended Operating Conditions
    4. 6.4 Thermal Information
    5. 6.5 Electrical Characteristics
    6. 6.6 Timing Requirements: AC SPI Data Interface
    7. 6.7 Vertical Communications Bus
    8. 6.8 Typical Characteristics
  7. 7 Detailed Description
    1. 7.1 Overview
    2. 7.2 Functional Block Diagram
    3. 7.3 Feature Description
      1. 7.3.1 Analog-to-Digital Conversion (ADC)
        1. 7.3.1.1  General Features
        2. 7.3.1.2  3-to-6 Series Cell Configuration
        3. 7.3.1.3  Cell Voltage Measurements
        4. 7.3.1.4  GPAI or VBAT Measurements
          1. 7.3.1.4.1 Converting GPAI Result to Voltage
          2. 7.3.1.4.2 Converting VBAT Result to Voltage
        5. 7.3.1.5  Temperature Measurement
          1. 7.3.1.5.1 External Temperature Sensor Support (TS1+, TS1-, TS2+, and TS2-)
          2. 7.3.1.5.2 Converting TSn Result to Voltage (Ratio)
        6. 7.3.1.6  ADC Band-Gap Voltage Reference
        7. 7.3.1.7  Conversion Control
          1. 7.3.1.7.1 Convert Start
            1. 7.3.1.7.1.1 Hardware Start
            2. 7.3.1.7.1.2 Firmware Start
          2. 7.3.1.7.2 Data Ready
          3. 7.3.1.7.3 ADC Channel Selection
          4. 7.3.1.7.4 Conversion Time Control
          5. 7.3.1.7.5 Automatic Versus Manual Control
        8. 7.3.1.8  Secondary Protection
          1. 7.3.1.8.1 Protector Functionality
            1. 7.3.1.8.1.1 Using the Protector Functions With 3-5 Cells
        9. 7.3.1.9  Cell Overvoltage Fault Detection (COV)
        10. 7.3.1.10 Cell Undervoltage Fault Detection (CUV)
        11. 7.3.1.11 Overtemperature Detection
          1. 7.3.1.11.1 Ratiometric Sensing
          2. 7.3.1.11.2 Thermistor Power
          3. 7.3.1.11.3 Thermistor Input Conditioning
        12. 7.3.1.12 Fault and Alert Behavior
          1. 7.3.1.12.1 Fault Recovery Procedure
        13. 7.3.1.13 Secondary Protector Built-In Self-Test Features
      2. 7.3.2 Cell Balancing
        1. 7.3.2.1 Cell Balance Control Safety Timer
      3. 7.3.3 Other Features and Functions
        1. 7.3.3.1 Internal Voltage Regulators
          1. 7.3.3.1.1 Internal 5-V Analog Supply
          2. 7.3.3.1.2 Internal 5-V Digital Supply
          3. 7.3.3.1.3 Low-Dropout Regulator (REG50)
          4. 7.3.3.1.4 Auxiliary Power Output (AUX)
        2. 7.3.3.2 Undervoltage Lockout and Power-On Reset
          1. 7.3.3.2.1 UVLO
          2. 7.3.3.2.2 Power-On Reset (POR)
          3. 7.3.3.2.3 Reset Command
        3. 7.3.3.3 Thermal Shutdown (TSD)
        4. 7.3.3.4 GPIO
      4. 7.3.4 Communications
        1. 7.3.4.1 SPI Communications - Device to Host
        2. 7.3.4.2 Device-to-Device Vertical Bus (VBUS) Interface
        3. 7.3.4.3 Packet Formats
          1. 7.3.4.3.1 Data Read Packet
          2. 7.3.4.3.2 Data Write Packet
          3. 7.3.4.3.3 Broadcast Writes
          4. 7.3.4.3.4 Communications Packet Structure
          5. 7.3.4.3.5 CRC Algorithm
          6. 7.3.4.3.6 Data Packet Usage Examples
        4. 7.3.4.4 Device Addressing
    4. 7.4 Device Functional Modes
      1. 7.4.1 SLEEP Functionality
        1. 7.4.1.1 SLEEP State Entry (Bit Set)
        2. 7.4.1.2 SLEEP State Exit (Bit Reset)
    5. 7.5 Programming
      1. 7.5.1 Programming the EPROM Configuration Registers
    6. 7.6 Register Maps
      1. 7.6.1 I/O Register Details
      2. 7.6.2 Register Types
        1. 7.6.2.1 Read-Only (Group 1)
        2. 7.6.2.2 Read / Write (Group 2)
        3. 7.6.2.3 Read / Write, Initialized From EPROM (Group3)
        4. 7.6.2.4 Error Checking and Correcting (ECC) EPROM
      3. 7.6.3 Register Details
        1. 7.6.3.1  DEVICE_STATUS Register (0x00)
        2. 7.6.3.2  GPAI (0x01, 0x02) Register
        3. 7.6.3.3  VCELLn Register (0x03…0x0e)
        4. 7.6.3.4  TEMPERATURE1 Register (0x0f, 0x10)
        5. 7.6.3.5  TEMPERATURE2 Register (0x11, 0x12)
        6. 7.6.3.6  ALERT_STATUS Register (0x20)
        7. 7.6.3.7  FAULT_STATUS Register (0x21)
        8. 7.6.3.8  COV_FAULT Register (0x22)
        9. 7.6.3.9  CUV_FAULT Register (0x23)
        10. 7.6.3.10 PARITY_H Register (0x24) [PRESULT_A (R/O)]
        11. 7.6.3.11 PARITY_H Register (0x25) [PRESULT_B (R/O)]
        12. 7.6.3.12 ADC_CONTROL Register (0x30)
        13. 7.6.3.13 IO_CONTROL Register (0x31)
        14. 7.6.3.14 CB_CTRL Register (0x32)
        15. 7.6.3.15 CB_TIME Register (0x33)
        16. 7.6.3.16 ADC_CONVERT Register (0x34)
        17. 7.6.3.17 SHDW_CTRL Register (0x3a)
        18. 7.6.3.18 ADDRESS_CONTROL Register (0x3b)
        19. 7.6.3.19 RESET Register (0x3c)
        20. 7.6.3.20 TEST_SELECT Register (0x3d)
        21. 7.6.3.21 E_EN Register (0x3f)
        22. 7.6.3.22 FUNCTION_CONFIG Register (0x40)
        23. 7.6.3.23 IO_CONFIG Register (0x41)
        24. 7.6.3.24 CONFIG_COV Register (0x42)
        25. 7.6.3.25 CONFIG_COVT Register (0x43)
        26. 7.6.3.26 CONFIG_UV Register (0x44)
        27. 7.6.3.27 CONFIG_CUVT Register (0x45)
        28. 7.6.3.28 CONFIG_OT Register (0x46)
        29. 7.6.3.29 CONFIG_OTT Register (0x47)
        30. 7.6.3.30 USERx Register (0x48-0x4b) (USER1-4)
  8. 8 Application and Implementation
    1. 8.1 Application Information
      1. 8.1.1 Anti-Aliasing Filter
      2. 8.1.2 Host SPI Interface Pin States
    2. 8.2 Typical Application
      1. 8.2.1 Design Requirements
      2. 8.2.2 Detailed Design Procedure
      3. 8.2.3 Application Curves
  9. 9 Power Supply Recommendations
    1. 9.1 Power Supply Decoupling
  10. 10Layout
    1. 10.1 Layout Guidelines
    2. 10.2 Layout Example
  11. 11器件和文档支持
    1. 11.1 接收文档更新通知
    2. 11.2 社区资源
    3. 11.3 商标
    4. 11.4 静电放电警告
    5. 11.5 Glossary
  12. 12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

  • 符合汽车应用 应用认证
  • 具有符合 AEC-Q100 标准的下列结果：
    • 器件温度 2 级：-40℃ 至 +105℃ 的环境运行温度范围
    • 器件人体模型 (HBM) 分类等级 2
    • 器件充电器件模型 (CDM) 分类等级 C4B
  • 3 节至 6 节电池支持，所有化合物
  • 热插拔
  • 用于数据通信的高速串行外设接口 (SPI)
  • 支持垂直堆叠的接口
  • 器件之间无需隔离组件
  • 高精度模数转换器 (ADC)：
    • ±1mV 典型精度
    • 14 位分辨率，6µs 转换时间
    • 九个 ADC 输入
    • 支持同步测量的专用引脚
  • 配置数据存储在具有差错校验/纠正 (ECC) 功能的一次性可编程 (OTP) 寄存器中
  • 内置比较器（二级保护器）支持：
    • 过压和欠压保护
    • 过热保护
    • 可编程的阈值和延迟时间
    • 专用故障信号
  • 支持安全超时功能的电芯均衡控制输出
    • 通过外部组件设置均衡电流
  • 电源电压范围：7.2V 至 27V 连续电压以及 36V 峰值
  • 低功耗：
    • 休眠电流典型值为 12µA，空闲电流典型值为 45µA
  • 集成 5V、3mA 高精度 LDO

2 应用

  • 电动车与混合动力电动车
  • 不间断电源系统 (UPS)
  • 电动自行车和电动踏板车
  • 大型电池系统

3 说明

bq76PL536A-Q1 器件是用于三至六节串联锂离子电池的可堆叠电池监控器和保护器。bq76PL536A-Q1 集成了模拟前端 (AFE) 以及精密模数转换器 (ADC)，用于精确测量电池电压。使用一个单独的 ADC 来测量温度。

除测量温度外，该器件还对各通道提供过压和欠压监控保护。通过非易失性存储器来存储用户可编程的保护阈值和延迟时间。一旦超出其中某个阈值，就会输出故障信号。

可通过堆叠式 bq76PL536A-Q1 器件来实现对由 192 节电池组成的电池组的支持。所有器件通过高速 SPI 接口进行连接。

器件信息(1)

器件型号 封装 封装尺寸（标称值）
bq76PL536A-Q1 HTQFP (64) 10.00mm x 10.00mm
  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。

简化的系统连接

bq76PL536A-Q1 sys_conn_LUSAM3.gif

4 修订历史记录

Changes from * Revision (May 2011) to A Revision

  • Added ESD 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 将电源电压范围从“6V 至 30V”更改为“7.2V 至 27V”（特性部分） Go
  • Changed 描述 以使其更为简洁Go
  • Changed graphic pin 54 alignment and part number Go
  • Changed AUX description Go
  • Listed values and removed VCn to VCn-1 row and updated Input Voltage Range and Output Voltage Range informationGo
  • Changed "VBAT = 20 V" to "VBAT = 22 V" throughout data sheetGo
  • Changed value to 27 VGo
  • Combined Electrical Characteristics tables into one table Go
  • Changed lower range to 7.2 Go
  • Changed format of bottom two rows and added notes Go
  • Deleted MAX value for VIHGo
  • Deleted MIN value for VILGo
  • Changed 120 to 125Go
  • Changed test conditionGo
  • Deleted note Go
  • Added error range Go
  • Changed table values and format Go
  • Changed min valueGo
  • Changed test conditions, Min and Nom values, and added note 4 Go
  • Changed the section to be switching characteristics Go
  • Changed units in equations to match unit in corresponding row Go
  • Moved figure after timing requirements Go
  • Changed name from VC0 to VSS Go
  • Added TNOM table note Go
  • Changed note wording for LDODxGo
  • Changed warning to cautionGo
  • Changed text to a warningGo
  • Changed text to a caution and added SLEEP State in textGo
  • Changed TS1(2) to TS1:TS2 throughout documentGo
  • Changed SHADOW_LOAD to REFRESH Go
  • Changed paragraph text and added cross-reference to section Go
  • Changed definition of 1 value Go
  • Changed text to Caution format.Go
  • Changed anti-aliasing VCn input to VC6-VC1Go
  • Changed "SN76PL536-Q1" to "bq76PL536A-Q1" in Power Supply DecouplingGo
  • Changed note wording for LDODxGo