ZHCSJV0G June   2018  – July 2021 TPS25830-Q1 , TPS25831-Q1

PRODUCTION DATA  

  1. 特性
  2. 应用
  3. 说明
  4. Revision History
  5. 说明(续)
  6. Device Comparison Table
  7. Pin Configuration and Functions
  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 Switching Characteristics
    8. 8.8 Typical Characteristics
  9. Parameter Measurement Information
  10. 10Detailed Description
    1. 10.1 Overview
    2. 10.2 Functional Block Diagram
    3. 10.3 Feature Description
      1. 10.3.1  Buck Regulator
      2. 10.3.2  Enable/UVLO and Start-up
      3. 10.3.3  Switching Frequency and Synchronization (RT/SYNC)
      4. 10.3.4  Spread-Spectrum Operation
      5. 10.3.5  VCC, VCC_UVLO
      6. 10.3.6  Minimum ON-time, Minimum OFF-time
      7. 10.3.7  Internal Compensation
      8. 10.3.8  Bootstrap Voltage (BOOT)
      9. 10.3.9  RSNS, RSET, RILIMIT and RIMON
      10. 10.3.10 Overcurrent and Short Circuit Protection
        1. 10.3.10.1 Current Limit Setting using RILIMIT
        2. 10.3.10.2 Buck Average Current Limit Design Example
        3. 10.3.10.3 External MOSFET Gate Drivers
        4. 10.3.10.4 Cycle-by-Cycle Buck Current Limit
      11. 10.3.11 Overvoltage, IEC and Short to Battery Protection
        1. 10.3.11.1 VBUS and VCSN/OUT Overvoltage Protection
        2. 10.3.11.2 DP_IN and DM_IN Protection
        3. 10.3.11.3 CC IEC and OVP Protection
      12. 10.3.12 Cable Compensation
        1. 10.3.12.1 Cable Compensation Design Example
      13. 10.3.13 USB Port Control
      14. 10.3.14 FAULT Response
      15. 10.3.15 USB Specification Overview
      16. 10.3.16 USB Type-C® Basics
        1. 10.3.16.1 Configuration Channel
        2. 10.3.16.2 Detecting a Connection
        3. 10.3.16.3 Configuration Channel Pins CC1 and CC2
        4. 10.3.16.4 Current Capability Advertisement and VCONN Overload Protection
        5. 10.3.16.5 Plug Polarity Detection
      17. 10.3.17 Device Power Pins (IN, CSN/OUT, and PGND)
      18. 10.3.18 Thermal Shutdown
      19. 10.3.19 Power Wake
      20. 10.3.20 Thermal Sensing with NTC (TPS25831-Q1)
    4. 10.4 Device Functional Modes
      1. 10.4.1 Shutdown Mode
      2. 10.4.2 Standby Mode
      3. 10.4.3 Active Mode
      4. 10.4.4 Device Truth Table (TT)
      5. 10.4.5 USB Port Operating Modes
        1. 10.4.5.1 USB Type-C Mode
        2. 10.4.5.2 Standard Downstream Port (SDP) Mode — USB 2.0, USB 3.0, and USB 3.1
        3. 10.4.5.3 Charging Downstream Port (CDP) Mode
        4. 10.4.5.4 Dedicated Charging Port (DCP) Mode (TPS25831-Q1 Only)
          1. 10.4.5.4.1 DCP BC1.2 and YD/T 1591-2009
          2. 10.4.5.4.2 DCP Divider-Charging Scheme
          3. 10.4.5.4.3 DCP 1.2-V Charging Scheme
        5. 10.4.5.5 DCP Auto Mode (TPS25831-Q1 Only)
      6. 10.4.6 High-Bandwidth Data-Line Switches (TPS25830-Q1 only)
  11. 11Application and Implementation
    1. 11.1 Application Information
    2. 11.2 Typical Application
      1. 11.2.1 Design Requirements
      2. 11.2.2 Detailed Design Procedure
        1. 11.2.2.1  Output Voltage
        2. 11.2.2.2  Switching Frequency
        3. 11.2.2.3  Inductor Selection
        4. 11.2.2.4  Output Capacitor Selection
        5. 11.2.2.5  Input Capacitor Selection
        6. 11.2.2.6  Bootstrap Capacitor Selection
        7. 11.2.2.7  VCC Capacitor Selection
        8. 11.2.2.8  Enable and Undervoltage Lockout Set-Point
        9. 11.2.2.9  Current Limit Set-Point
        10. 11.2.2.10 Cable Compensation Set-Point
        11. 11.2.2.11 LD_DET, POL, and FAULT Resistor Selection
      3. 11.2.3 Application Curves
  12. 12Power Supply Recommendations
  13. 13Layout
    1. 13.1 Layout Guidelines
    2. 13.2 Ground Plane and Thermal Considerations
    3. 13.3 Layout Example
  14. 14Device and Documentation Support
    1. 14.1 Related Links
    2. 14.2 接收文档更新通知
    3. 14.3 支持资源
    4. 14.4 Trademarks
    5. 14.5 Electrostatic Discharge Caution
    6. 14.6 术语表
  15. 15Mechanical, Packaging, and Orderable Information

封装选项

机械数据 (封装 | 引脚)
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订购信息

Typical Characteristics

Unless otherwise specified the following conditions apply: VIN = 13.5 V, fSW = 400 kHz, L = 10 µH, COUT_CSP = 66 µF, COUT_CSN = 0.1 µF, CBUS = 1 µF, TA = 25 °C.

GUID-BDE4A2C3-8488-4916-8391-10C6AF019AEF-low.gif
VCSN = 8 VCC1= Rd
Figure 8-1 Non-Switching Quiescent Current
GUID-7ABAAB0D-9407-4C8C-9D9D-B4F14C2A85BE-low.gif
EN = 0 V
Figure 8-3 Shutdown Quiescent Current
GUID-A303D1A0-F964-484E-B3B0-985D7FE74E26-low.gifFigure 8-5 VIN UVLO Threshold
GUID-AAC28185-61DB-4E12-BCF3-341BEC761299-low.gif
RIMON = 0 Ω
Figure 8-7 VCSN/OUT Voltage vs Junction Temperature
GUID-51FCB56B-E953-4FF7-8DAE-45EC43EC54F2-low.gifFigure 8-9 High-side MOSFET on Resistance vs Junction Temperature
GUID-115D42DB-B528-431A-AE55-F88CA8BAF3DC-low.gif
RT = 49.9kΩ
Figure 8-11 Switching Frequency vs Junction Temperature
GUID-ED7815AC-9F55-49EA-A49A-1CAB6C36C2C8-low.gif
RSNS = 15 mΩ RSET = 300 Ω
Figure 8-13 Buck Average Current Limit vs Junction Temperature
GUID-73A73584-1323-4B1A-95A0-6C0D5FA3E5FE-low.gifFigure 8-15 LS_GD Gate Source Current vs Junction Temperature
GUID-A45BF75C-044F-4472-89D1-61FE1985689F-low.gif
RSNS = 15 mΩ RSET = 300 Ω RIMON = 13 kΩ
Figure 8-17 Cable Compensation Voltage vs Junction Temperature
GUID-023F2B19-78FE-4377-AAC4-2C295D259B5D-low.gifFigure 8-19 VBUS Discharge Resistance vs Junction Temperature
GUID-F51FD466-9E5F-4CB8-B5C4-71D52191C121-low.gifFigure 8-21 DP_IN Overvoltage Protection Threshold vs Junction Temperature
GUID-CB4B42F0-9276-447B-B86E-00992DEC8107-low.gif
VCONN = 5V
Figure 8-23 VCONN Current Limiting Switch On Resistance vs Junction Temperature
GUID-E5EA59A9-D6B5-4088-A354-91773E59BC2C-low.gifFigure 8-25 CC Sourcing Current vs Junction Temperature
GUID-D3B9A710-A41E-410C-9897-324E5A475391-low.gifFigure 8-27 NTC Temperature Warning Threshold (TPS25831-Q1)
GUID-F663109A-F630-403B-B0DA-3933E4FED8E2-low.gif
Measured Source with 10-cm cable
Figure 8-29 Bypassing the TPS25830-Q1 Data Switch
GUID-783821CB-F63A-4998-844E-D7949925866C-low.gifFigure 8-31 Data Transmission Characteristics vs Frequency (TPS25830-Q1)
GUID-E1A4678C-F770-47A6-BA57-AAB1FB1D24B9-low.gifFigure 8-33 On-State Cross-Channel Isolation vs Frequency (TPS25830-Q1)
GUID-F7F2EB2E-59D1-44E1-BEEF-FE2FAB11135F-low.gif
CC1 = OPENCC2 = OPEN
Figure 8-2 Standby Quiescent Current
GUID-89BDC598-BC6F-4E03-B093-86680119956F-low.gifFigure 8-4 Precision Enable Threshold
GUID-4BCD9227-15A0-4716-9F86-E1302156E7DB-low.gifFigure 8-6 VCC vs Input Voltage
GUID-AF80A2BE-9B93-44FD-865A-3249A4D235BA-low.gifFigure 8-8 High-side Current Limit vs Input Voltage
GUID-7427DAE3-1596-4543-BA44-EC896EB2F7DF-low.gifFigure 8-10 Low-side MOSFET on Resistance vs Junction Temperature
GUID-9A8AAA37-39B9-474D-A26A-62129BD5AFC1-low.gif
RT = 8.87kΩ
Figure 8-12 Switching Frequency vs VIN Voltage
GUID-3A10A24A-DB90-427C-BF37-E29C29877B56-low.gif
RSNS = 15 mΩ RSET = 300 Ω
Figure 8-14 External FET Current Limit vs Junction Temperature
GUID-DEC46EFE-BCB9-41E4-B698-6BFAE5CBDA66-low.gif
VCSN/OUT = 5.1V RIMON = 0kΩ
Figure 8-16 LS_GD Gate Voltage vs Junction Temperature
GUID-8E3733B6-E3F1-4366-9C8E-314C57B6FFAE-low.gif
RSNS = 15 mΩ RSET = 300 Ω RIMON = 13 kΩ
Figure 8-18 Cable Compensation Voltage vs Load Current
GUID-871A04E5-C052-4600-9742-B61F2FFA0065-low.gifFigure 8-20 VBUS Overvoltage Protection Threshold vs Junction Temperature
GUID-7F8F876A-F782-44BD-921C-AA3F56D6A42C-low.gifFigure 8-22 DM_IN Overvoltage Protection Threshold vs Junction Temperature
GUID-C09F7AEB-D580-4813-8CEA-765DBA178194-low.gif
VCONN = 5V
Figure 8-24 VCONN Switch Current Limit vs Junction Temperature
GUID-ABFAE611-4909-4EBA-A260-38A05EAB24ED-low.gifFigure 8-26 CC1 Overvoltage Protection Threshold vs Junction Temperature
GUID-260B625B-BE02-4100-8858-F697538A1F1B-low.gifFigure 8-28 NTC Temperature Shutdown Threshold (TPS25831-Q1)
GUID-E62E3A13-0B2F-4358-9246-68D37D03E950-low.gif
Measured on TPS25830-Q1 EVM with 10-cm cable
Figure 8-30 Through the TPS25830-Q1 Data Switch
GUID-7B0732A4-90A7-48BA-BA73-15D39A8E2105-low.gifFigure 8-32 Off-State Data-Switch Isolation vs Frequency (TPS25830-Q1)