ZHCSK78A september   2019  – august 2023 BQ21061

PRODUCTION DATA  

  1.   1
  2. 1 特性
  3. 2 应用
  4. 3 说明
  5. 4 Revision History
  6. 5 Pin Configuration and Functions
  7. 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
    7. 6.7 Typical Characteristics
  8. 7 Detailed Description
    1. 7.1 Overview
    2. 7.2 Functional Block Diagram
    3. 7.3 Feature Description
      1. 7.3.1  Linear Charger and Power Path
        1. 7.3.1.1 Battery Charging Process
        2. 7.3.1.2 JEITA and Battery Temperature Dependent Charging
        3. 7.3.1.3 Input Voltage Based Dynamic Power Management (VINDPM) and Dynamic Power Path Management (DPPM)
        4. 7.3.1.4 Battery Supplement Mode
      2. 7.3.2  Protection Mechanisms
        1. 7.3.2.1 Input Over-Voltage Protection
        2. 7.3.2.2 Safety Timer and I2C Watchdog Timer
        3. 7.3.2.3 Thermal Protection and Thermal Charge Current Foldback
        4. 7.3.2.4 Battery Short and Over Current Protection
        5. 7.3.2.5 PMID Short Circuit
      3. 7.3.3  VDD LDO
      4. 7.3.4  Load Switch/LDO Output and Control
      5. 7.3.5  PMID Power Control
      6. 7.3.6  System Voltage (PMID) Regulation
      7. 7.3.7  MR Wake and Reset Input
        1. 7.3.7.1 MR Wake or Short Button Press Functions
        2. 7.3.7.2 MR Reset or Long Button Press Functions
      8. 7.3.8  14-Second Watchdog for HW Reset
      9. 7.3.9  Faults Conditions and Interrupts ( INT)
        1. 7.3.9.1 Flags and Fault Condition Response
      10. 7.3.10 Power Good ( PG) Pin
      11. 7.3.11 External NTC Monitoring (TS)
        1. 7.3.11.1 TS Thresholds
      12. 7.3.12 I2C Interface
        1. 7.3.12.1 F/S Mode Protocol
    4. 7.4 Device Functional Modes
      1. 7.4.1 Ship Mode
      2. 7.4.2 Low Power
      3. 7.4.3 Active Battery
      4. 7.4.4 Charger/Adapter Mode
      5. 7.4.5 Power-Up/Down Sequencing
    5. 7.5 Register Map
      1. 7.5.1 I2C Registers
  9. 8 Application and Implementation
    1. 8.1 Application Information
    2. 8.2 Typical Application
      1. 8.2.1 Design Requirements
      2. 8.2.2 Detailed Design Procedure
        1. 8.2.2.1 Input (IN/PMID) Capacitors
        2. 8.2.2.2 VDD, LDO Input and Output Capacitors
        3. 8.2.2.3 TS
        4. 8.2.2.4 Recommended Passive Components
      3. 8.2.3 Application Curves
  10. 9 Power Supply Recommendations
  11. 10Layout
    1. 10.1 Layout Guidelines
    2. 10.2 Layout Example
  12. 11Device and Documentation Support
    1. 11.1 Device Support
      1. 11.1.1 第三方产品免责声明
    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 静电放电警告
    6. 11.6 Trademarks
    7. 11.7 术语表
  13. 12Mechanical, Packaging, and Orderable Information

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机械数据 (封装 | 引脚)
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订购信息

8.2.3 Application Curves

GUID-4312D926-3D43-4359-A506-5697F88AFE95-low.png
VIN = 5V VBAT = 0V
Figure 8-2 Power Up from IN Supply Insertion with No Battery
GUID-23C1DFD5-AE1F-4191-860B-4564BA779FBD-low.png
VIN = 0V VBAT = 3.6V
Figure 8-4 Wake In To Ship Mode on Battery Insertion with No IN Supply
GUID-26348974-C9AD-48DF-83AF-B2965B8E692C-low.png
VIN = 0V VBAT = 3.6V
Figure 8-6 HW Reset on MR Long Button Press
GUID-92EB5E45-B208-418F-BAAD-2DC0F59E4A40-low.png
VIN = 0V VBAT = 3.6V
Figure 8-8 HW Reset Through I2C Command
GUID-5AB59A59-D3E2-42F1-9DC2-7C9021CB07D8-low.png
VIN = 5V VBAT = 3.6V
Figure 8-10 PG Power Good Function - IN Supply Insertion
GUID-B97CF4B7-F1EB-4DB3-AEAC-BAECD574A037-low.png
VIN = 5VVBAT = 3.6V
Figure 8-12 PGMR Level Shift Function - MR Rising
GUID-17E590FC-E3CA-4D7F-9185-DBF31D81C863-low.png
VBAT = 3.6V
Figure 8-14 PG General Purpose Output Function - GPO_PG Bit Toggle
GUID-C9C8B777-F022-46CF-B723-7FA8517E287E-low.png
VBAT = 3.6VNo load
Figure 8-16 LDO Disable Through I2C (EN_LS_LDO)
GUID-F4279D61-4C50-4DF6-A6C7-A221AFE6DB37-low.png
VIN = 0VVBAT = 2.4VVINLS = VPMID
Figure 8-18 LDO Load Transient - VLDO = 1.8V
GUID-2FD582B6-DC02-4A87-9534-35332FCE1B6F-low.png
VIN = 0VVBAT = 3.6VVINLS = VPMID
Figure 8-20 LDO Load Transient - VLDO = 1.2V
GUID-5FF27A70-8479-48E9-B9B7-88FDF28747D6-low.png
VIN = 5V VBAT = 3.6V
Figure 8-3 Power Up from Ship Mode with IN Supply Insertion
GUID-B59EAB82-34E2-4798-8029-EC420BC7CF7B-low.png
VIN = 0V VBAT = 3.6V
Figure 8-5 Power Up from Ship Mode with MR Press
GUID-053E752D-1EFC-4158-8C89-BE93D1E8EB7D-low.png
VIN = 0V VBAT = 3.6V LBPRESS_ACTION= 01
Figure 8-7 Ship Mode Entry with MR Long Button Press
GUID-FAF49F8E-CF13-4880-8E22-ECBFF5E0B3EA-low.png
VIN = 5V VBAT = 3.6V SHIPMODE_EN = 1
Figure 8-9 Ship Mode Entry on IN Supply Removal
GUID-45FE29FC-9D5A-414A-9AC4-140BC8DA1CC9-low.png
VIN = 5V VBAT = 3.6V
Figure 8-11 PG Power Good Function - IN Supply Removal
GUID-EC528EF5-3F2D-4B4A-9E27-506296804345-low.png
VBAT = 3.6V
Figure 8-13 PGMR Level Shift Function - MR Falling
GUID-F2FA629E-282B-48DE-B889-31FEAA7A2CF4-low.png
VBAT = 3.6VNo load
Figure 8-15 LDO Enable Through I2C (EN_LS_LDO)
GUID-DD060BC3-019A-4BAE-AD10-57FFB0C80C39-low.png
VIN = 0VVBAT = 3.6VVINLS = VPMID
Figure 8-17 LDO Load Transient - VLDO = 1.8V
GUID-4E6BB721-6F82-4C04-8738-0EB7A98F14BB-low.png
VIN = 0VVBAT = 3.8VVINLS = VPMID
Figure 8-19 LDO Load Transient - VLDO = 3.3V