ZHCSTD7A December   2021  – November 2023 BQ79631-Q1

PRODUCTION DATA  

  1.   1
  2. 1 特性
  3. 2 应用
  4. 3 说明
  5. 4 Revision History
  6. 5 说明（续）
  7. 6 Pin Configuration and Functions
  8. 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
  9. 8 Detailed Description
    1. 8.1 Overview
    2. 8.2 Functional Block Diagram
    3. 8.3 Feature Description
      1. 8.3.1 Measurement System
        1. 8.3.1.1 Voltage Measurement System
          1. 8.3.1.1.1 Main ADC
            1. 8.3.1.1.1.1 VS Voltage Measurements
              1. 8.3.1.1.1.1.1 Analog Front End
              2. 8.3.1.1.1.1.2 VS Channel Measurements
              3. 8.3.1.1.1.1.3 Post-ADC Digital LPF
              4. 8.3.1.1.1.1.4 SRP and SRN Measurements
            2. 8.3.1.1.1.2 Temperature Measurements
              1. 8.3.1.1.1.2.1 DieTemp1 Measurement
              2. 8.3.1.1.1.2.2 GPIOs and TSREF Measurements
            3. 8.3.1.1.1.3 Main ADC Operation Control
              1. 8.3.1.1.1.3.1 Operation Modes and Status
          2. 8.3.1.1.2 AUX ADC
            1. 8.3.1.1.2.1 AUX Voltage Measurements
              1. 8.3.1.1.2.1.1 AUX Analog Front End
              2. 8.3.1.1.2.1.2 AUX Channel Measurements
            2. 8.3.1.1.2.2 AUX Temperature Measurements
              1. 8.3.1.1.2.2.1 DieTemp2 Measurement
              2. 8.3.1.1.2.2.2 AUX GPIO Measurements
            3. 8.3.1.1.2.3 MISC Measurements
            4. 8.3.1.1.2.4 AUX ADC Operation Control
          3. 8.3.1.1.3 Synchronization Between MAIN and AUX ADC Measurements
        2. 8.3.1.2 Current Sense ADC
      2. 8.3.2 OVUV Detection
        1. 8.3.2.1 OVUV Operation Modes
        2. 8.3.2.2 OVUV Control and Status
          1. 8.3.2.2.1 OVUV Control
          2. 8.3.2.2.2 OVUV Status
      3. 8.3.3 Power Supplies
        1. 8.3.3.1 AVAO_REF and AVDD_REF
        2. 8.3.3.2 LDOIN
        3. 8.3.3.3 AVDD
        4. 8.3.3.4 DVDD
        5. 8.3.3.5 CVDD and NEG5V
        6. 8.3.3.6 TSREF
      4. 8.3.4 GPIO Configuration
      5. 8.3.5 Communication, OTP, Diagnostic Control
        1. 8.3.5.1 Communication
          1. 8.3.5.1.1 Serial Interface
            1. 8.3.5.1.1.1 UART Physical Layer
              1. 8.3.5.1.1.1.1 UART Transmitter
              2. 8.3.5.1.1.1.2 UART Receiver
              3. 8.3.5.1.1.1.3 COMM CLEAR
            2. 8.3.5.1.1.2 Command and Response Protocol
              1. 8.3.5.1.1.2.1 Transaction Frame Structure
                1. 8.3.5.1.1.2.1.1 Frame Initialization Byte
                2. 8.3.5.1.1.2.1.2 Device Address Byte
                3. 8.3.5.1.1.2.1.3 Register Address Bytes
                4. 8.3.5.1.1.2.1.4 Data Bytes
                5. 8.3.5.1.1.2.1.5 CRC Bytes
                6. 8.3.5.1.1.2.1.6 Calculating Frame CRC Value
                7. 8.3.5.1.1.2.1.7 Verifying Frame CRC
              2. 8.3.5.1.1.2.2 Transaction Frame Examples
                1. 8.3.5.1.1.2.2.1 Single Device Read/Write
                2. 8.3.5.1.1.2.2.2 Stack Read/Write
                3. 8.3.5.1.1.2.2.3 Broadcast Read/Write
                4. 8.3.5.1.1.2.2.4 Broadcast Write Reverse Direction
          2. 8.3.5.1.2 Daisy-Chain Interface
            1. 8.3.5.1.2.1 Daisy-Chain Transmitter and Receiver Functionality
            2. 8.3.5.1.2.2 Daisy-Chain Protocol
          3. 8.3.5.1.3 Start Communication
            1. 8.3.5.1.3.1 Identify Base and Stack
            2. 8.3.5.1.3.2 Auto-Addressing
              1. 8.3.5.1.3.2.1 Setting Up the Device Addresses
              2. 8.3.5.1.3.2.2 Setting Up COMM_CTRL[STACK_DEV] and [TOP_STACK]
              3. 8.3.5.1.3.2.3 Storing Device Address to OTP
            3. 8.3.5.1.3.3 Synchronize Daisy-Chain DLL
            4. 8.3.5.1.3.4 Ring Communication
          4. 8.3.5.1.4 Communication Timeout
            1. 8.3.5.1.4.1 Short Communication Timeout
            2. 8.3.5.1.4.2 Long Communication Timeout
          5. 8.3.5.1.5 Communication Debug Mode
          6. 8.3.5.1.6 Multidrop Configuration
          7. 8.3.5.1.7 SPI Master
          8. 8.3.5.1.8 SPI Loopback
        2. 8.3.5.2 Fault Handling
          1. 8.3.5.2.1 Fault Status Hierarchy
            1. 8.3.5.2.1.1 Debug Registers
          2. 8.3.5.2.2 Fault Masking and Reset
            1. 8.3.5.2.2.1 Fault Masking
            2. 8.3.5.2.2.2 Fault Reset
          3. 8.3.5.2.3 Fault Signaling
            1. 8.3.5.2.3.1 Fault Status Transmitting in ACTIVE Mode
            2. 8.3.5.2.3.2 Fault Status Transmitting in SLEEP Mode
            3. 8.3.5.2.3.3 Heartbeat and Fault Tone
        3. 8.3.5.3 Nonvolatile Memory
          1. 8.3.5.3.1 OTP Page Status
          2. 8.3.5.3.2 OTP Programming
        4. 8.3.5.4 Diagnostic Control/Status
          1. 8.3.5.4.1 Power Supplies Check
            1. 8.3.5.4.1.1 Power Supply Diagnostic Check
            2. 8.3.5.4.1.2 Power Supply BIST
          2. 8.3.5.4.2 Thermal Shutdown and Warning Check
            1. 8.3.5.4.2.1 Thermal Shutdown
            2. 8.3.5.4.2.2 Thermal Warning
          3. 8.3.5.4.3 Oscillators Watchdog
          4. 8.3.5.4.4 OTP Error Check
            1. 8.3.5.4.4.1 OTP CRC Test and Faults
            2. 8.3.5.4.4.2 OTP Margin Read
            3. 8.3.5.4.4.3 Error Check and Correct (ECC) OTP
          5. 8.3.5.4.5 OVUV Detection Check
            1. 8.3.5.4.5.1 Parity Check
            2. 8.3.5.4.5.2 OVUV DAC Check
            3. 8.3.5.4.5.3 OVUV Protector BIST
          6. 8.3.5.4.6 Diagnostic Through ADC Comparison
            1. 8.3.5.4.6.1 VS Voltage Measurement Check
            2. 8.3.5.4.6.2 Temperature Measurement Check
            3. 8.3.5.4.6.3 VS and AUX Open Wire Check
    4. 8.4 Device Functional Modes
      1. 8.4.1 Power Modes
        1. 8.4.1.1 SHUTDOWN Mode
          1. 8.4.1.1.1 Exit SHUTDOWN Mode
          2. 8.4.1.1.2 Enter SHUTDOWN Mode
        2. 8.4.1.2 SLEEP Mode
          1. 8.4.1.2.1 Exit SLEEP Mode
          2. 8.4.1.2.2 Enter SLEEP Mode
        3. 8.4.1.3 ACTIVE Mode
          1. 8.4.1.3.1 Exit ACTIVE Mode
          2. 8.4.1.3.2 Enter ACTIVE Mode From SHUTDOWN Mode
          3. 8.4.1.3.3 Enter ACTIVE Mode From SLEEP Mode
      2. 8.4.2 Device Reset
      3. 8.4.3 Ping and Tone
        1. 8.4.3.1 Ping
        2. 8.4.3.2 Tone
        3. 8.4.3.3 Ping and Tone Propagation
    5. 8.5 Register Maps
      1. 8.5.1 OTP Shadow Register Summary
      2. 8.5.2 Read/Write Register Summary
      3. 8.5.3 Read-Only Register Summary
      4. 8.5.4 Register Field Descriptions
        1. 8.5.4.1  Device Addressing Setup
          1. 8.5.4.1.1 DIR0_ADDR_OTP
          2. 8.5.4.1.2 DIR1_ADDR_OTP
          3. 8.5.4.1.3 CUST_MISC1 through CUST_MISC8
          4. 8.5.4.1.4 DIR0_ADDR
          5. 8.5.4.1.5 DIR1_ADDR
        2. 8.5.4.2  Device ID and Scratch Pad
          1. 8.5.4.2.1 PARTID
          2. 8.5.4.2.2 DEV_REVID
          3. 8.5.4.2.3 DIE_ID1 through DIE_ID9
        3. 8.5.4.3  General Configuration and Control
          1. 8.5.4.3.1  DEV_CONF
          2. 8.5.4.3.2  PWR_TRANSIT_CONF
          3. 8.5.4.3.3  COMM_TIMEOUT_CONF
          4. 8.5.4.3.4  TX_HOLD_OFF
          5. 8.5.4.3.5  STACK_RESPONSE
          6. 8.5.4.3.6  COMM_CTRL
          7. 8.5.4.3.7  CONTROL1
          8. 8.5.4.3.8  CONTROL2
          9. 8.5.4.3.9  CUST_CRC_HI
          10. 8.5.4.3.10 CUST_CRC_LO
          11. 8.5.4.3.11 CUST_CRC_RSLT_HI
          12. 8.5.4.3.12 CUST_CRC_RSLT_LO
        4. 8.5.4.4  Operation Status
          1. 8.5.4.4.1 DIAG_STAT
          2. 8.5.4.4.2 ADC_STAT1
          3. 8.5.4.4.3 ADC_STAT2
          4. 8.5.4.4.4 GPIO_STAT
          5. 8.5.4.4.5 DEV_STAT
        5. 8.5.4.5  ADC Configuration and Control
          1. 8.5.4.5.1  ADC_CONF1
          2. 8.5.4.5.2  ADC_CONF2
          3. 8.5.4.5.3  MAIN_ADC_CAL1
          4. 8.5.4.5.4  MAIN_ADC_CAL2
          5. 8.5.4.5.5  AUX_ADC_CAL1
          6. 8.5.4.5.6  AUX_ADC_CAL2
          7. 8.5.4.5.7  CS_ADC_CAL1
          8. 8.5.4.5.8  CS_ADC_CAL2
          9. 8.5.4.5.9  ADC_CTRL1
          10. 8.5.4.5.10 ADC_CTRL2
          11. 8.5.4.5.11 ADC_CTRL3
        6. 8.5.4.6  ADC Measurement Results
          1. 8.5.4.6.1  VS16_HI/LO
          2. 8.5.4.6.2  VS15_HI/LO
          3. 8.5.4.6.3  VS14_HI/LO
          4. 8.5.4.6.4  VS13_HI/LO
          5. 8.5.4.6.5  VS12_HI/LO
          6. 8.5.4.6.6  VS11_HI/LO
          7. 8.5.4.6.7  VS10_HI/LO
          8. 8.5.4.6.8  VS9_HI/LO
          9. 8.5.4.6.9  VS8_HI/LO
          10. 8.5.4.6.10 VS7_HI/LO
          11. 8.5.4.6.11 VS6_HI/LO
          12. 8.5.4.6.12 VS5_HI/LO
          13. 8.5.4.6.13 VS4_HI/LO
          14. 8.5.4.6.14 VS3_HI/LO
          15. 8.5.4.6.15 VS2_HI/LO
          16. 8.5.4.6.16 VS1_HI/LO
          17. 8.5.4.6.17 CSAUX_HI/LO
          18. 8.5.4.6.18 TSREF_HI/LO
          19. 8.5.4.6.19 GPIO1_HI/LO
          20. 8.5.4.6.20 GPIO2_HI/LO
          21. 8.5.4.6.21 GPIO3_HI/LO
          22. 8.5.4.6.22 GPIO4_HI/LO
          23. 8.5.4.6.23 GPIO5_HI/LO
          24. 8.5.4.6.24 GPIO6_HI/LO
          25. 8.5.4.6.25 GPIO7_HI/LO
          26. 8.5.4.6.26 GPIO8_HI/LO
          27. 8.5.4.6.27 DIETEMP1_HI/LO
          28. 8.5.4.6.28 DIETEMP2_HI/LO
          29. 8.5.4.6.29 AUX_IN_HI/LO
          30. 8.5.4.6.30 AUX_GPIO_HI/LO
          31. 8.5.4.6.31 AUX_PWR_HI/LO
          32. 8.5.4.6.32 AUX_REFL_HI/LO
          33. 8.5.4.6.33 AUX_VBG2_HI/LO
          34. 8.5.4.6.34 AUX_AVAO_REF_HI/LO
          35. 8.5.4.6.35 AUX_AVDD_REF_HI/LO
          36. 8.5.4.6.36 AUX_OV_DAC_HI/LO
          37. 8.5.4.6.37 AUX_UV_DAC_HI/LO
          38. 8.5.4.6.38 AUX_VCM1_HI/LO
          39. 8.5.4.6.39 REFH_HI/LO
          40. 8.5.4.6.40 DIAG_MAIN_HI/LO
          41. 8.5.4.6.41 DIAG_AUX_HI/LO
          42. 8.5.4.6.42 CURRENT_HI/MID/LO
        7. 8.5.4.7  Protector Configuration and Control
          1. 8.5.4.7.1 OV_THRESH
          2. 8.5.4.7.2 UV_THRESH
          3. 8.5.4.7.3 UV_DISABLE1
          4. 8.5.4.7.4 UV_DISABLE2
          5. 8.5.4.7.5 OVUV_CTRL
        8. 8.5.4.8  GPIO Configuration
          1. 8.5.4.8.1 GPIO_CONF1
          2. 8.5.4.8.2 GPIO_CONF2
          3. 8.5.4.8.3 GPIO_CONF3
          4. 8.5.4.8.4 GPIO_CONF4
        9. 8.5.4.9  SPI Master
          1. 8.5.4.9.1 SPI_CONF
          2. 8.5.4.9.2 SPI_EXE
          3. 8.5.4.9.3 SPI_TX3, SPI_TX2, and SPI_TX1
          4. 8.5.4.9.4 SPI_RX3, SPI_RX2, and SPI_RX1
        10. 8.5.4.10 Diagnostic Control
          1. 8.5.4.10.1 DIAG_OTP_CTRL
          2. 8.5.4.10.2 DIAG_COMM_CTRL
          3. 8.5.4.10.3 DIAG_PWR_CTRL
          4. 8.5.4.10.4 DIAG_COMP_CTRL1
          5. 8.5.4.10.5 DIAG_COMP_CTRL2
          6. 8.5.4.10.6 DIAG_COMP_CTRL3
          7. 8.5.4.10.7 DIAG_COMP_CTRL4
          8. 8.5.4.10.8 DIAG_PROT_CTRL
        11. 8.5.4.11 Fault Configuration and Reset
          1. 8.5.4.11.1 FAULT_MSK1
          2. 8.5.4.11.2 FAULT_MSK2
          3. 8.5.4.11.3 FAULT_RST1
          4. 8.5.4.11.4 FAULT_RST2
        12. 8.5.4.12 Fault Status
          1. 8.5.4.12.1  FAULT_SUMMARY
          2. 8.5.4.12.2  FAULT_COMM1
          3. 8.5.4.12.3  FAULT_COMM2
          4. 8.5.4.12.4  FAULT_COMM3
          5. 8.5.4.12.5  FAULT_OTP
          6. 8.5.4.12.6  FAULT_SYS
          7. 8.5.4.12.7  FAULT_PROT1
          8. 8.5.4.12.8  FAULT_PROT2
          9. 8.5.4.12.9  FAULT_OV1
          10. 8.5.4.12.10 FAULT_OV2
          11. 8.5.4.12.11 FAULT_UV1
          12. 8.5.4.12.12 FAULT_UV2
          13. 8.5.4.12.13 FAULT_COMP_GPIO
          14. 8.5.4.12.14 FAULT_COMP_VSAUX1
          15. 8.5.4.12.15 FAULT_COMP_VSAUX2
          16. 8.5.4.12.16 FAULT_COMP_VSOW1
          17. 8.5.4.12.17 FAULT_COMP_VSOW2
          18. 8.5.4.12.18 FAULT_COMP_AUXOW1
          19. 8.5.4.12.19 FAULT_COMP_AUXOW2
          20. 8.5.4.12.20 FAULT_COMP_MISC
          21. 8.5.4.12.21 FAULT_PWR1
          22. 8.5.4.12.22 FAULT_PWR2
          23. 8.5.4.12.23 FAULT_PWR3
        13. 8.5.4.13 Debug Control and Status
          1. 8.5.4.13.1  DEBUG_CTRL_UNLOCK
          2. 8.5.4.13.2  DEBUG_COMM_CTRL1
          3. 8.5.4.13.3  DEBUG_COMM_CTRL2
          4. 8.5.4.13.4  DEBUG_COMM_STAT
          5. 8.5.4.13.5  DEBUG_UART_RC
          6. 8.5.4.13.6  DEBUG_UART_RR_TR
          7. 8.5.4.13.7  DEBUG_COMH_BIT
          8. 8.5.4.13.8  DEBUG_COMH_RC
          9. 8.5.4.13.9  DEBUG_COMH_RR_TR
          10. 8.5.4.13.10 DEBUG_COML_BIT
          11. 8.5.4.13.11 DEBUG_COML_RC
          12. 8.5.4.13.12 DEBUG_COML_RR_TR
          13. 8.5.4.13.13 DEBUG_UART_DISCARD
          14. 8.5.4.13.14 DEBUG_COMH_DISCARD
          15. 8.5.4.13.15 DEBUG_COML_DISCARD
          16. 8.5.4.13.16 DEBUG_UART_VALID_HI/LO
          17. 8.5.4.13.17 DEBUG_COMH_VALID_HI/LO
          18. 8.5.4.13.18 DEBUG_COML_VALID_HI/LO
          19. 8.5.4.13.19 DEBUG_OTP_SEC_BLK
          20. 8.5.4.13.20 DEBUG_OTP_DED_BLK
        14. 8.5.4.14 OTP Programming Control and Status
          1. 8.5.4.14.1 OTP_PROG_UNLOCK1A through OTP_PROG_UNLOCK1D
          2. 8.5.4.14.2 OTP_PROG_UNLOCK2A through OTP_PROG_UNLOCK2D
          3. 8.5.4.14.3 OTP_PROG_CTRL
          4. 8.5.4.14.4 OTP_ECC_TEST
          5. 8.5.4.14.5 OTP_ECC_DATAIN1 through OTP_ECC_DATAIN9
          6. 8.5.4.14.6 OTP_ECC_DATAOUT1 through OTP_ECC_DATAOUT9
          7. 8.5.4.14.7 OTP_PROG_STAT
          8. 8.5.4.14.8 OTP_CUST1_STAT
          9. 8.5.4.14.9 OTP_CUST2_STAT
  10. 9 Application and Implementation
    1. 9.1 Application Information
    2. 9.2 Typical Applications
      1. 9.2.1 Base Device Application Circuit
        1. 9.2.1.1 Design Requirements
        2. 9.2.1.2 Detailed Design Procedure
          1. 9.2.1.2.1  PACK+ and FUSE Measurement
          2. 9.2.1.2.2  Insulation Measurement
          3. 9.2.1.2.3  LINK+/- Measurement
          4. 9.2.1.2.4  CHARGE+/– Measurement
          5. 9.2.1.2.5  Overcurrent Detection Scheme Using OVUV Comparators
          6. 9.2.1.2.6  Unused Pins
          7. 9.2.1.2.7  Current Sense Input
          8. 9.2.1.2.8  VPWR and External NPN
          9. 9.2.1.2.9  Power Supplies, Reference Input
          10. 9.2.1.2.10 GPIO For Thermistor Inputs
          11. 9.2.1.2.11 UART, NFAULT
          12. 9.2.1.2.12 Daisy-Chain Isolation
            1. 9.2.1.2.12.1 Devices Connected on the Same PCB
            2. 9.2.1.2.12.2 Devices Connected on Different PCBs
        3. 9.2.1.3 Application Curve
      2. 9.2.2 Daisy Device Application Circuit
  11. 10Power Supply Recommendations
  12. 11Layout
    1. 11.1 Layout Guidelines
      1. 11.1.1 Ground Planes
      2. 11.1.2 Bypass Capacitors for Power Supplies and Reference
      3. 11.1.3 Voltage Sensing
      4. 11.1.4 Daisy-Chain Communication
    2. 11.2 Layout Example
  13. 12Device and Documentation Support
    1. 12.1 Device Support
      1. 12.1.1 第三方米6体育平台手机版_好二三四免责声明
    2. 12.2 接收文档更新通知
    3. 12.3 支持资源
    4. 12.4 Trademarks
    5. 12.5 静电放电警告
    6. 12.6 术语表
  14. 13Mechanical, Packaging, and Orderable 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
8.3.1.1.2.4 AUX ADC Operation Control

To start the AUX ADC, the host MCU sets ADC_CTRL3[AUX_GO] = 1. When the device receives the GO command, it first samples the following settings to determine the AUX ADC configuration, then operates the AUX ADC accordingly. Any change to the settings below requires the MCU to send another GO command to implement the new settings.

  • ADC_CTRL3[AUX_MODE1:0]: Four run modes. See Table 8-5 for details.
  • ADC_CTRL2[AUX_IN_SEL4:0]: Selects which AUX channels are measured by AUX ADC.
  • ADC_CONF1[AUX_SETTLE1:0]: Configures the AUX ADC AAF settling time.
  • ADC_CTRL3[AUX_GPIO_SEL3:0]: Selects which GPIO channels are measured by AUX ADC.
  • GPIO_CONF1 to GPIO_CONF4: Determines the inactive GPIO channel(s).

There are four status bits to indicate the AUX ADC status:

  • DEV_STAT[AUX_RUN]: indicates if the AUX ADC is running or not.
  • ADC_STAT1[DRDY_AUX_MISC]: set when all MISC inputs are measured at least once.
  • ADC_STAT1[DRDY_AUX_IN]: set when the AUX channels selected by [AUX_IN_SEL4:0] are measured at least once.
  • ADC_STAT1[DRDY_AUX_GPIO]: set when all GPIO channels (active or inactive) have been measured once. Inactive channel measurements will be ignored by the device.

Table 8-5 Summary of AUX ADC Run Modes
[AUX_MODE1:0]Run ModeDescription
0b00Stop AUX ADCStop the AUX ADC
0b01Single Run (1 round robin cycle)AUX ADC runs for one round robin cycle then stops. This gives a single measurement on all MISC inputs. For example, use as a quick burst read for just the MISC inputs without the need to issue a stop command to the AUX ADC.
0b10Continuous RunAUX ADC runs in continuous mode and stops if [AUX_MODE1:0] = 0b00 and a GO command is sent. For example, must use this mode when ADC diagnostic comparison operation is used. See Section 8.3.5.4 for details.
0b118 RR Run (eight round robin cycles)AUX ADC runs for eight round robin cycles then stops. This gives a single measurement on all active GPIO inputs.

The AUX ADC operates in ACTIVE mode only. If the ADC is running while the device goes into SLEEP mode, the AUX ADC will be “freezed”; that is, the ADC stops but the device still remembers the operational state. When the device returns to ACTIVE mode without any digital reset event, the AUX ADC will restart and continue from its “prefreeze” state.
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