ZHCSBK4G March   2013  – March 2019

PRODUCTION DATA.  

  1. 1 特性
  2. 2 应用
  3. 3 说明
    1.     Device Images
      1.      典型应用原理图
      2.      充电器效率与输入电压
  4. 4 修订历史记录
  5. 5 Pin Configuration and Functions
    1.     Pin 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 Electrical Characteristics
    7. 6.7 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 Maximum Power Point Tracking
      2. 7.3.2 Battery Undervoltage Protection
      3. 7.3.3 Battery Overvoltage Protection
      4. 7.3.4 Battery Voltage within Operating Range (VBAT_OK Output)
      5. 7.3.5 Storage Element / Battery Management
      6. 7.3.6 Programming OUT Regulation Voltage
      7. 7.3.7 Step Down (Buck) Converter
      8. 7.3.8 Nano-Power Management and Efficiency
    4. 7.4 Device Functional Modes
      1. 7.4.1 Main Boost Charger Disabled (Ship Mode) - (VSTOR > VSTOR_CHGEN and EN = HIGH)
      2. 7.4.2 Cold-Start Operation (VSTOR < VSTOR_CHGEN, VIN_DC > VIN(CS) and PIN > PIN(CS), EN = don't care)
      3. 7.4.3 Main Boost Charger Enabled (VSTOR > VSTOR_CHGEN and EN = LOW )
        1. 7.4.3.1 Buck Converter Enabled (VSTOR > VBAT_UV, EN = LOW and VOUT_EN = HIGH )
      4. 7.4.4 Thermal Shutdown
  8. 8 Application and Implementation
    1. 8.1 Application Information
      1. 8.1.1 Energy Harvester Selection
      2. 8.1.2 Storage Element Selection
      3. 8.1.3 Inductor Selection
        1. 8.1.3.1 Boost Charger Inductor Selection
        2. 8.1.3.2 Buck Converter Inductor Selection
      4. 8.1.4 Capacitor Selection
        1. 8.1.4.1 VREF_SAMP Capacitance
        2. 8.1.4.2 VIN_DC Capacitance
        3. 8.1.4.3 VSTOR Capacitance
        4. 8.1.4.4 VOUT Capacitance
        5. 8.1.4.5 Additional Capacitance on VSTOR or VBAT
    2. 8.2 Typical Applications
      1. 8.2.1 Solar Application Circuit
        1. 8.2.1.1 Design Requirements
        2. 8.2.1.2 Detailed Design Procedure
        3. 8.2.1.3 Application Curves
      2. 8.2.2 TEG Application Circuit
        1. 8.2.2.1 Design Requirements
        2. 8.2.2.2 Detailed Design Procedure
        3. 8.2.2.3 Application Curves
      3. 8.2.3 Piezoelectric Application Circuit
        1. 8.2.3.1 Design Requirements
        2. 8.2.3.2 Detailed Design Procedure
        3. 8.2.3.3 Application Curves
  9. 9 Power Supply Recommendations
  10. 10Layout
    1. 10.1 Layout Guidelines
    2. 10.2 Layout Example
    3. 10.3 Thermal Considerations
  11. 11器件和文档支持
    1. 11.1 器件支持
      1. 11.1.1 第三方产品免责声明
    2. 11.2 文档支持
      1. 11.2.1 相关文档
    3. 11.3 接收文档更新通知
    4. 11.4 社区资源
    5. 11.5 商标
    6. 11.6 静电放电警告
    7. 11.7 术语表
  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

6.6 Electrical Characteristics

Over recommended ambient temperature range, typical values are at TA = 25°C. Unless otherwise noted, specifications apply for conditions of VSTOR = 4.2 V, VOUT = 1.8 V. External components, CIN = 4.7 µF, L1 = 22 µH, CSTOR = 4.7 µF, L2 = 10 µH, COUT = 22 µF
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
BUCK CONVERTER
VOUT Output regulation (excluding resistor tolerance error) IOUT = 10 mA;
1.3 V < VOUT < 3.3 V		 –2% 2%
Output line regulation IOUT = 10 mA;
VSTOR = 2.1 V to 5.5 V, COUT = 22 µF		 0.09 %/V
Output load regulation IOUT = 100 µA to 95 mA,
VSTOR = 3.6 V, COUT = 22 µF		 -0.01 %/mA
Output ripple VSTOR = 4.2V, IOUT = 1 mA,
COUT = 22 μF		 30 mVpp
Programmable voltage range for output voltage threshold 1.3 VSTOR – 0.2(1) V
IOUT Output Current VSTOR = 3.3V; VOUT = 1.8 V 93 110 mA
tSTART-STBY Startup time with EN low and VOUT_EN transition to high (Standby Mode) COUT = 22 µF 250 μs
tSTART-SHIP Startup time with VOUT_EN high and EN transition from high to low (Ship Mode) COUT = 22 µF 100 ms
I-BUCK(CBC-LIM) Cycle-by-cycle current limit of buck converter 2.4 V < VSTOR < 5.5 V;
1.3 V < VOUT < 3.3 V		 160 185 205 mA
(1) The dropout voltage can be computed as the maximum output current times the buck high side resistance.