ZHCSLW6A december   2020  – august 2023 BQ25157

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 Device Key Default Settings
  8. 7 Pin Configuration and Functions
  9. 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
  10. 9 Detailed Description
    1. 9.1 Overview
    2. 9.2 Functional Block Diagram
    3. 9.3 Feature Description
      1. 9.3.1  Linear Charger and Power Path
        1. 9.3.1.1 Battery Charging Process
          1. 9.3.1.1.1 Pre-Charge
          2. 9.3.1.1.2 Fast Charge
          3. 9.3.1.1.3 Pre-Charge to Fast Charge Transitions and Charge Current Ramping
          4. 9.3.1.1.4 Termination
        2. 9.3.1.2 JEITA and Battery Temperature Dependent Charging
        3. 9.3.1.3 Input Voltage Based Dynamic Power Management (VINDPM) and Dynamic Power Path Management (DPPM)
        4. 9.3.1.4 Battery Supplement Mode
      2. 9.3.2  Protection Mechanisms
        1. 9.3.2.1 Input Over-Voltage Protection
        2. 9.3.2.2 Safety Timer and I2C Watchdog Timer
        3. 9.3.2.3 Thermal Protection and Thermal Charge Current Foldback
        4. 9.3.2.4 Battery Short and Over Current Protection
        5. 9.3.2.5 PMID Short Circuit
      3. 9.3.3  ADC
        1. 9.3.3.1 ADC Operation in Active Battery Mode and Low Power Mode
        2. 9.3.3.2 ADC Operation When VIN Present
        3. 9.3.3.3 ADC Measurements
        4. 9.3.3.4 ADC Programmable Comparators
      4. 9.3.4  VDD LDO
      5. 9.3.5  Load Switch/LDO Output and Control
      6. 9.3.6  PMID Power Control
      7. 9.3.7  MR Wake and Reset Input
        1. 9.3.7.1 MR Wake or Short Button Press Functions
        2. 9.3.7.2 MR Reset or Long Button Press Functions
      8. 9.3.8  14-Second Watchdog for HW Reset
      9. 9.3.9  Faults Conditions and Interrupts ( INT)
        1. 9.3.9.1 Flags and Fault Condition Response
      10. 9.3.10 Power Good ( PG) Pin
      11. 9.3.11 External NTC Monitoring (TS)
        1. 9.3.11.1 TS Thresholds
      12. 9.3.12 External NTC Monitoring (ADCIN)
      13. 9.3.13 I2C Interface
        1. 9.3.13.1 F/S Mode Protocol
    4. 9.4 Device Functional Modes
      1. 9.4.1 Ship Mode
      2. 9.4.2 Low Power
      3. 9.4.3 Active Battery
      4. 9.4.4 Charger/Adapter Mode
      5. 9.4.5 Power-Up/Down Sequencing
    5. 9.5 Register Map
      1. 9.5.1 I2C Registers
  11. 10Application and Implementation
    1. 10.1 Application Information
    2. 10.2 Typical Application
      1. 10.2.1 Design Requirements
      2. 10.2.2 Detailed Design Procedure
        1. 10.2.2.1 Input (IN/PMID) Capacitors
        2. 10.2.2.2 VDD, LDO Input and Output Capacitors
        3. 10.2.2.3 TS
        4. 10.2.2.4 Recommended Passive Components
      3. 10.2.3 Application Curves
  12. 11Power Supply Recommendations
  13. 12Layout
    1. 12.1 Layout Guidelines
    2. 12.2 Layout Example
  14. 13Device and Documentation Support
    1. 13.1 Device Support
      1. 13.1.1 第三方米6体育平台手机版_好二三四免责声明
    2. 13.2 Documentation Support
      1. 13.2.1 Related Documentation
    3. 13.3 接收文档更新通知
    4. 13.4 支持资源
    5. 13.5 静电放电警告
    6. 13.6 Trademarks
    7. 13.7 术语表
  15. 14Mechanical, 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

9.3.9.1 Flags and Fault Condition Response

Table 9-5 below details the BQ25157 behavior when a fault condition occurs.

Table 9-5 Interrupt Triggers and Fault Condition Response
FAULT / FLAG DESCRIPTION INTERRUPT TRIGGER BASED ON STATUS BIT CHANGE CHARGER BEHAVIOR CHARGER SAFETY TIMER LS/LDO BEHAVIOR PMID BEHAVIOR NOTES
CHRG_CV_FLAG Set when charger enters Constant Voltage operation Rising Edge Enabled No effect N/A IN powered if VIN is valid
CHARGE_DONE_FLAG Set when charger reaches termination Rising Edge Paused- Charging resumes with VIN or CE toggle or when VRCH is reached Reset N/A IN powered if VIN is valid
IINLIM_ACTIVE_FLAG Set when Input Current Limit loop is active Rising Edge Enabled. Reduced charge current. Doubled if option is enabled N/A IN powered VIN powered unless supplement mode condition is met.
VDPPM_ACTIVE_FLAG Set when DPPM loop is active Rising Edge Enabled. Reduced charge current. Doubled if option is enabled N/A VIN powered unless supplement mode condition is met.
VINDPM_ACTIVE_FLAG Set when VINDPM loop is active Rising Edge Enabled. Reduced charge current. Doubled if option is enabled N/A VIN powered unless supplement mode condition is met.
THERMREG_ACTIVE Set when Thermal Charge Current Foldback (Thermal Regulation) loop is active Rising Edge Enabled. Reduced charge current. Doubled if option is enabled N/A VIN powered unless supplement mode condition is met.
VIN_PGOOD_FLAG Set when VIN changes PGOOD status Rising and Falling Edge If VIN_PGOOD_STAT is low, charging is disabled. Reset N/A VIN powered (if VIN_PGOOD_STAT=1) unless PMID_MODE is not 00. Interrupt will not be sent if device powers up with VIN_PGOOD condition and VBAT < VBATUVLO
VIN_OVP_FAULT_FLAG Set when VIN > VOVP Rising Edge Charging is paused until condition disappears Reset N/A BAT powered
BAT_OCP_FAULT_FLAG Set when IBAT > IBATOCP Rising Edge Disabled (BAT only condition) N/A N/A Disconnect BAT
BAT_UVLO_FAULT_FLAG Set when VBAT < VBATUVLO Rising Edge Enabled No effect N/A IN powered of VIN is valid
TS_COLD_FLAG Set when VTS > VTS_COLD Rising Edge Charging paused until condition is cleared Paused N/A IN powered of VIN is valid
TS_COOL_FLAG Set when VTS_COLD > VTS > VTS_COOL Rising Edge Enabled. Reduced charge current. Doubled if option is enabled N/A IN powered of VIN is valid
TS_WARM_FLAG Set when VTS_HOT < VTS < VTS_WARM Rising Edge Enabled. Reduce battery regulation voltage. No effect N/A IN powered of VIN is valid
TS_HOT_FLAG Set when VTS < VHOT Rising Edge Charging paused until condition is cleared Paused N/A IN powered of VIN is valid
ADC_READY_FLAG Set when ADC conversion is completed Rising Edge N/A N/A N/A N/A
COMP1_ALARM_FLAG Set when ADC measurement meets programmed condition Rising Edge N/A N/A N/A N/A
COMP2_ALARM_FLAG Set when ADC measurement meets programmed condition Rising Edge N/A N/A N/A N/A
COMP3_ALARM_FLAG Set when ADC measurement meets programmed condition Rising Edge N/A N/A N/A N/A
TS_OPEN_FLAG Set when VTS > VTS_OPEN Rising Edge Charging is paused until condition disappears Paused N/A N/A
WD_FAULT_FLAG Set when I2C watchdog timer expires Rising Edge Enabled N/A N/A N/A
SAFETY_TMR_FAULT_FLAG Set when safety Timer expires. Cleared after VIN or CE toggle Rising Edge Disabled until VIN or CE toggle Reset after flag is cleared N/A IN powered of VIN is valid
LS_LDO_OCP_FAULT_FLAG Set when LDO output current exceeds OCP condition Rising Edge N/A N/A Enabled (host must take action to disable the LDO if desired) N/A
MRWAKE1_TIMEOUT_FLAG Set when MR is low for at least tWAKE1 Rising Edge N/A N/A N/A N/A
MRWAKE2_TIMEOUT_FLAG Set when MR is low for at least tWAKE2 Rising Edge N/A N/A N/A N/A
MRRESET_WARN_FLAG Set when MR is low for at least tRESETWARN Rising Edge N/A N/A N/A N/A
TSHUT No flag. Die temperature exceeds thermal shutdown threshold is reached N/A Disabled Disabled Disabled Disabled
千亿体育app官网登录(中国)官方网站IOS/安卓通用版/手机APP | 米乐app下载官网（中国）|ios|Android/通用版APP最新版 | 米乐|米乐·M6（中国大陆）官方网站 | 千亿体育登陆地址 | 华体会体育（中国）HTH·官方网站 | 千赢qy国际_全站最新版千赢qy国际V6.2.14安卓/IOS下载 | 18新利网v1.2.5|中国官方网站 | bob电竞真人（中国官网）安卓/ios苹果/电脑版【1.97.95版下载】 | 千亿体育app官方下载(中国)官方网站IOS/安卓/手机APP下载安装 |