ZHCSNZ3B January   2023  – May 2024 TPS62870 , TPS62871 , TPS62872 , TPS62873

PRODUCTION DATA  

  1.   1
  2. 1 特性
  3. 2 应用
  4. 3 说明
  5. 4 说明（续）
  6. 5 Device Options
  7. 6 Pin Configuration and Functions
  8. 7 Specifications
    1. 7.1 Absolute Maximum Ratings
    2. 7.2 ESD Ratings_Catalog
    3. 7.3 Recommended Operating Conditions
    4. 7.4 Thermal Information
    5. 7.5 Electrical Characteristics
    6. 7.6 I2C Interface Timing Characteristics
    7. 7.7 Timing Requirements
    8. 7.8 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  Fixed-Frequency DCS Control Topology
      2. 8.3.2  Forced PWM and Power Save Modes
      3. 8.3.3  Precise Enable
      4. 8.3.4  Start-Up
      5. 8.3.5  Switching Frequency Selection
      6. 8.3.6  Output Voltage Setting
        1. 8.3.6.1 Output Voltage Range
        2. 8.3.6.2 Output Voltage Setpoint
        3. 8.3.6.3 Non-Default Output Voltage Setpoint
        4. 8.3.6.4 Dynamic Voltage Scaling
      7. 8.3.7  Compensation (COMP)
      8. 8.3.8  Mode Selection and Clock Synchronization (MODE/SYNC)
      9. 8.3.9  Spread Spectrum Clocking (SSC)
      10. 8.3.10 Output Discharge
      11. 8.3.11 Undervoltage Lockout (UVLO)
      12. 8.3.12 Overvoltage Lockout (OVLO)
      13. 8.3.13 Overcurrent Protection
        1. 8.3.13.1 Cycle-by-Cycle Current Limiting
        2. 8.3.13.2 Hiccup Mode
        3. 8.3.13.3 Current Limit Mode
      14. 8.3.14 Power Good (PG)
        1. 8.3.14.1 Standalone or Primary Device Behavior
        2. 8.3.14.2 Secondary Device Behavior
      15. 8.3.15 Remote Sense
      16. 8.3.16 Thermal Warning and Shutdown
      17. 8.3.17 Stacked Operation
    4. 8.4 Device Functional Modes
      1. 8.4.1 Power-On Reset
      2. 8.4.2 Undervoltage Lockout
      3. 8.4.3 Standby
      4. 8.4.4 On
    5. 8.5 Programming
      1. 8.5.1 Serial Interface Description
      2. 8.5.2 Standard, Fast, Fast Mode Plus Protocol
      3. 8.5.3 I2C Update Sequence
      4. 8.5.4 I2C Register Reset
  10. 9 Register Map
  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 Selecting the Inductor
        2. 10.2.2.2 Selecting the Input Capacitors
        3. 10.2.2.3 Selecting the Compensation Resistor
        4. 10.2.2.4 Selecting the Output Capacitors
        5. 10.2.2.5 Selecting the Compensation Capacitor, CC
        6. 10.2.2.6 Selecting the Compensation Capacitor, CC2
      3. 10.2.3 Application Curves
    3. 10.3 Best Design Practices
    4. 10.4 Power Supply Recommendations
    5. 10.5 Layout
      1. 10.5.1 Layout Guidelines
      2. 10.5.2 Layout Example
  12. 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 接收文档更新通知
    3. 11.3 支持资源
    4. 11.4 Trademarks
    5. 11.5 静电放电警告
    6. 11.6 术语表
  13. 12Revision History
  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

5 Device Options

Device NumberOutput CurrentStart-Up Voltage and I2C Address (1)(2)

VSEL setting

Spread Spectrum ClockingSoft-Start Time

TPS62873Z0WRXSR

15A0.800V, 0x406.2kΩ to GNDDefault setting = offDefault setting = 1 ms
0.750V, 0x41Short to GND
0.875V, 0x42Short to VIN
0.800V, 0x4347kΩ to VIN

TPS62873Z1WRXSR

15A0.600V, 0x406.2kΩ to GNDDefault setting = offDefault setting = 1 ms
0.750V, 0x41Short to GND
0.875V, 0x42Short to VIN
0.900V, 0x4347kΩ to VIN
TPS62872Z0WRXSR

12A

0.800V, 0x406.2kΩ to GNDDefault setting = offDefault setting = 1 ms
0.750V, 0x41Short to GND
0.875V, 0x42Short to VIN
0.800V, 0x4347kΩ to VIN
TPS62871Z2WRXSR

9A

0.500V, 0x40

6.2kΩ to GND

Default setting = off

Default setting = 1 ms

0.750V, 0x41

Short to GND
TPS62872Z2WRXSR12A

0.875V, 0x42

Short to VIN
TPS62873Z2WRXSR

15A

1.050V, 0x43

47kΩ to VIN
TPS62871Z0WRXSR

9A

0.800V, 0x406.2kΩ to GNDDefault setting = offDefault setting = 1 ms
0.750V, 0x41Short to GND
0.875V, 0x42Short to VIN
0.800V, 0x4347kΩ to VIN
TPS62870Z0WRXSR

6A

0.800V, 0x406.2kΩ to GNDDefault setting = offDefault setting = 1 ms
0.750V, 0x41Short to GND
0.875V, 0x42Short to VIN
0.800V, 0x4347kΩ to VIN
TPS62870Z4WRXSR

6A

0.850V, 0x406.2kΩ to GNDDefault setting = offDefault setting = 1 ms
TPS62871Z4WRXSR9A0.750V, 0x41

Short to GND

TPS62872Z4WRXSR

12A

0.875V, 0x42Short to VIN
TPS62873Z4WRXSR

15A

1.000V, 0x4347kΩ to VIN
(1) The I2C address is linked to the selected start-up voltage. The user cannot select the start-up voltage and I2C address independently.
(2) The user can use the VSEL pin to select which of the four start-up voltages the device uses. For more information, see Table 8-5 and Table 8-10.

Unless otherwise noted, device variants without I2C operate with the same default settings as device variants with I2C.
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