ZHCSIJ0B July   2018  – February 2022 BQ25601D

PRODUCTION DATA  

  1. 1 特性
  2. 2 应用
  3. 3 说明
  4. 4 Revision History
  5. 5 说明（续）
  6. 6 Device Comparison Table
  7. 7 Pin Configuration and 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 Timing Requirements
    7. 8.7 Typical Characteristics
  9. 9 Detailed Description
    1. 9.1 Overview
    2. 9.2 Functional Block Diagram
    3. 9.3 Feature Description
      1. 9.3.1 Power-On-Reset (POR)
      2. 9.3.2 Device Power Up from Battery without Input Source
      3. 9.3.3 Power Up from Input Source
        1. 9.3.3.1 Power Up REGN Regulation
        2. 9.3.3.2 Poor Source Qualification
        3. 9.3.3.3 Input Source Type Detection
          1. 9.3.3.3.1 D+/D– Detection Sets Input Current Limit in BQ25601D
        4. 9.3.3.4 Input Voltage Limit Threshold Setting (VINDPM Threshold)
        5. 9.3.3.5 Converter Power-Up
      4. 9.3.4 Boost Mode Operation From Battery
      5. 9.3.5 Host Mode and Standalone Power Management
        1. 9.3.5.1 Host Mode and Default Mode in BQ25601D
      6. 9.3.6 Power Path Management
      7. 9.3.7 Battery Charging Management
        1. 9.3.7.1 Autonomous Charging Cycle
        2. 9.3.7.2 Battery Charging Profile
        3. 9.3.7.3 Charging Termination
        4. 9.3.7.4 Thermistor Qualification
        5. 9.3.7.5 JEITA Guideline Compliance During Charging Mode
        6. 9.3.7.6 Boost Mode Thermistor Monitor During Battery Discharge Mode
        7. 9.3.7.7 Charging Safety Timer
    4. 9.4 Device Functional Modes
      1. 9.4.1 Narrow VDC Architecture
      2. 9.4.2 Dynamic Power Management
      3. 9.4.3 Supplement Mode
      4. 9.4.4 Shipping Mode and QON Pin
        1. 9.4.4.1 BATFET Disable Mode (Shipping Mode)
        2. 9.4.4.2 BATFET Enable (Exit Shipping Mode)
        3. 9.4.4.3 BATFET Full System Reset
        4. 9.4.4.4 QON Pin Operations
      5. 9.4.5 Status Outputs ( PG, STAT, INT )
        1. 9.4.5.1 Power Good Indicator ( PGPin PG_STAT Bit)
        2. 9.4.5.2 Charging Status indicator (STAT)
        3. 9.4.5.3 Interrupt to Host ( INT)
    5. 9.5 Protections
      1. 9.5.1 Voltage and Current Monitoring in Converter Operation
        1. 9.5.1.1 Voltage and Current Monitoring in Buck Mode
          1. 9.5.1.1.1 Input Overvoltage (ACOV)
          2. 9.5.1.1.2 System Overvoltage Protection (SYSOVP)
      2. 9.5.2 Voltage and Current Monitoring in Boost Mode
        1. 9.5.2.1 VBUS Soft Start
        2. 9.5.2.2 VBUS Output Protection
        3. 9.5.2.3 Boost Mode Overvoltage Protection
      3. 9.5.3 Thermal Regulation and Thermal Shutdown
        1. 9.5.3.1 Thermal Protection in Buck Mode
        2. 9.5.3.2 Thermal Protection in Boost Mode
      4. 9.5.4 Battery Protection
        1. 9.5.4.1 Battery Overvoltage Protection (BATOVP)
        2. 9.5.4.2 Battery Over-Discharge Protection
        3. 9.5.4.3 System Over-Current Protection
    6. 9.6 Programming
      1. 9.6.1 Serial Interface
        1. 9.6.1.1 Data Validity
        2. 9.6.1.2 START and STOP Conditions
        3. 9.6.1.3 Byte Format
        4. 9.6.1.4 Acknowledge (ACK) and Not Acknowledge (NACK)
        5. 9.6.1.5 Slave Address and Data Direction Bit
        6. 9.6.1.6 Single Read and Write
        7. 9.6.1.7 Multi-Read and Multi-Write
    7. 9.7 Register Maps
      1. 9.7.1  REG00 (address = 00) [reset = 00010111]
      2. 9.7.2  REG01 (address = 01) [reset = 00011010]
      3. 9.7.3  REG02 (address = 02) [reset = 10100 010]
      4. 9.7.4  REG03 (address = 03) [reset = 001 0001 0]
      5. 9.7.5  REG04 (address = 04) [reset = 01011000]
      6. 9.7.6  REG05 (address = 05) [reset = 10011111]
      7. 9.7.7  REG06 (address = 06) [reset = 01100110]
      8. 9.7.8  REG07 (address = 07) [reset = 01001100]
      9. 9.7.9  REG08 (address = 08) [reset = xxxxxxxx]
      10. 9.7.10 REG09 (address = 09) [reset = xxxxxxxx]
      11. 9.7.11 REG0A (address = 0A) [reset = xxxxxx00]
      12. 9.7.12 REG0B (address = 0B) [reset = 00111xxx]
  10. 10Layout
    1. 10.1 Layout Guidelines
    2. 10.2 Layout Example
  11. 11Device and Documentation Support
    1. 11.1 Device Support
      1. 11.1.1 第三方米6体育平台手机版_好二三四免责声明
    2. 11.2 Documentation Support
      1. 11.2.1 Related Documentation
    3. 11.3 接收文档更新通知
    4. 11.4 支持资源
    5. 11.5 Trademarks
    6. 11.6 Electrostatic Discharge Caution
    7. 11.7 术语表

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

9.7.10 REG09 (address = 09) [reset = xxxxxxxx]

Figure 9-29 Register REG09
76543210
WATCHDOG_FAULTBOOST_FAULTCHRG_FAULT[1]CHRG_FAULT[0]BAT_FAULTNTC_FAULT[2]NTC_FAULT[1]NTC_FAULT[0]
RRRRRRRR
Table 9-15 REG09 Field Descriptions
BitFieldPORType(1)ResetDescription
7WATCHDOG_FAULTxRNA0 – Normal, 1- Watchdog timer expiration
6BOOST_FAULTxRNA0 – Normal, 1 – VBUS overloaded in OTG, or VBUS OVP, or battery is too low (any conditions that we cannot start boost function)
5CHRG_FAULT[1]xRNA00 – Normal, 01 – input fault (VAC OVP or VBAT < VBUS < 3.8 V), 10 - Thermal shutdown, 11 – Charge Safety Timer Expiration
4CHRG_FAULT[0]xRNA
3BAT_FAULTxRNA0 – Normal, 1 – BATOVP
2NTC_FAULT[2]xRNAJEITA
000 – Normal, 010 – Warm, 011 – Cool, 101 – Cold, 110 – Hot (Buck mode)
000 – Normal, 101 – Cold, 110 – Hot (Boost mode)
1NTC_FAULT[1]xRNA
0NTC_FAULT[0]xRNA
(1) LEGEND: R/W = Read/Write; R = Read only
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