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  • TPS2585x-Q1 2.2-MHz, Low EMI Dual 3-A USB Type-C® Charging Ports Converter With Thermal Management and Programmable Current Limit

    • SLVSEM3D May   2020  – September 2021 TPS25850-Q1 , TPS25851-Q1 , TPS25852-Q1

      PRODUCTION DATA  

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  • TPS2585x-Q1 2.2-MHz, Low EMI Dual 3-A USB Type-C® Charging Ports Converter With Thermal Management and Programmable Current Limit
  1. 1 Features
  2. 2 Applications
  3. 3 Description
  4. 4 Revision History
  5. 5 Description (continued)
  6. 6 Device Comparison Table
  7. 7 Pin Configuration and Functions
  8. 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. 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  Power-Down or Undervoltage Lockout
      2. 10.3.2  Input Overvoltage Protection (OVP) - Continuously Monitored
      3. 10.3.3  Buck Converter
      4. 10.3.4  FREQ/SYNC
      5. 10.3.5  Bootstrap Voltage (BOOT)
      6. 10.3.6  Minimum ON-Time, Minimum OFF-Time
      7. 10.3.7  Internal Compensation
      8. 10.3.8  Selectable Output Voltage (VSET)
      9. 10.3.9  Current Limit and Short Circuit Protection
        1. 10.3.9.1 USB Switch Programmable Current Limit (ILIM)
        2. 10.3.9.2 Interlocking for Two-Level USB Switch Current Limit
        3. 10.3.9.3 Cycle-by-Cycle Buck Current Limit
        4. 10.3.9.4 OUT Current Limit
      10. 10.3.10 Cable Compensation
      11. 10.3.11 Thermal Management With Temperature Sensing (TS) and OTSD
      12. 10.3.12 Thermal Shutdown
      13. 10.3.13 USB Enable On/Off Control (TPS25852-Q1)
      14. 10.3.14 FAULT Indication (TPS25851-Q1 and TPS25852-Q1)
      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 Plug Polarity Detection (TPS25851-Q1)
      17. 10.3.17 USB Port Operating Modes
        1. 10.3.17.1 USB Type-C® Mode
        2. 10.3.17.2 Dedicated Charging Port (DCP) Mode (TPS25850-Q1 Only)
          1. 10.3.17.2.1 DCP BC1.2 and YD/T 1591-2009
          2. 10.3.17.2.2 DCP Divider-Charging Scheme
          3. 10.3.17.2.3 DCP 1.2-V Charging Scheme
        3. 10.3.17.3 DCP Auto Mode (TPS25850-Q1)
    4. 10.4 Device Functional Modes
      1. 10.4.1 Shutdown Mode
      2. 10.4.2 Active Mode
  11. 11Application and Implementation
    1. 11.1 Application Information
    2. 11.2 Typical Applications
      1. 11.2.1 Design Requirements
      2. 11.2.2 Detailed Design Procedure
        1. 11.2.2.1 Output Voltage Setting
        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 Undervoltage Lockout Set-Point
        8. 11.2.2.8 Cable Compensation Set-Point
      3. 11.2.3 Application Curves
  12. 12Power Supply Recommendations
  13. 13Layout
    1. 13.1 Layout Guidelines
    2. 13.2 Layout Example
    3. 13.3 Ground Plane and Thermal Considerations
  14. 14Device and Documentation Support
    1. 14.1 Receiving Notification of Documentation Updates
    2. 14.2 Support Resources
    3. 14.3 Trademarks
    4. 14.4 Electrostatic Discharge Caution
    5. 14.5 Glossary
  15. 15Mechanical, Packaging, and Orderable Information
  16. IMPORTANT NOTICE

Package Options

Mechanical Data (Package|Pins)
  • RPQ|25
    • MPQF555A
Thermal pad, mechanical data (Package|Pins)
Orderable Information
  • slvsem3d_oa
  • slvsem3d_pm
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DATA SHEET

TPS2585x-Q1 2.2-MHz, Low EMI Dual 3-A USB Type-C® Charging Ports Converter With Thermal Management and Programmable Current Limit

1 Features

  • AEC-Q100 qualified for automotive applications:
    • Temperature grade 1: TA range –40°C to +125°C
    • HBM ESD classification level H2
    • CDM ESD classification level C5
  • Optimized for ultra-low EMI requirements:
    • Meets CISPR25 class 5 standard
    • HotRod™ package minimizes switch node ringing
    • Spread spectrum reduces peak emissions
  • Synchronous buck regulator
    • High efficiency at 2.1 MHz: 93.4% at VIN = 13.5 V, IPA_BUS = 3 A and IPB_BUS = 3 A
    • 18-mΩ/10-mΩ low RDS(ON) buck regulator MOSFETs
    • Operating voltage range: 5.5 V to 26 V, withstand 36-V input
    • Adjustable frequency: 200 kHz to 3 MHz
    • FPWM with spread-spectrum dithering
    • Selectable output voltage: 5.1 V, 5.17 V, 5.3 V, 5.4 V
  • Internal power path:
    • 7-mΩ/7-mΩ low RDS(ON) internal USB power MOSFETs
    • Programmable current limit for USB ports with high accuracy: ±10% at 3.4 A
    • OUT: 5.1 V, 200-mA supply for auxiliary loads
  • Line drop compensation: 90 mV at 2.4-A load
  • Compliant to USB-IF standards
    • Type-C rev 1.3
      • 3-A capability advertisement on CC
      • VBUS application and discharge
      • VCONN source: 200 mA
      • USB cable polarity detection (POL) (TPS25851-Q1)
    • Automatic DCP modes (TPS25850-Q1):
      • Shorted mode per BC1.2 and YD/T 1591 2009
      • 1.2-V mode
      • 2.7-V Divider 3 mode
  • Load shedding versus programmable TA
  • Device TJ range: –40°C to +150°C
  • FAULT flag reports (TPS25851-Q1 and TPS25852-Q1): USB overcurrent, thermal shutdown
  • USB ports ON/OFF control (TPS25852-Q1)

2 Applications

  • Automotive USB charging ports
  • Automotive USB media hubs

3 Description

The TPS258x-Q1 is an integrated USB charging port solution, which includes a synchronous DC/DC converter capable of supplying up to 6.6 A and integrated detection and control for implementing USB Battery Charging 1.2 and Type-C ports.

Device Information(1)
PART NUMBERPACKAGEBODY SIZE (NOM)
TPS25850-Q1VQFN-HR (25)3.50 mm × 4.50 mm
TPS25851-Q1 VQFN-HR (25) 3.50 mm × 4.50 mm
TPS25852-Q1 VQFN-HR (25) 3.50 mm × 4.50 mm
(1) For detail part numbers for all available different options, see the orderable addendum at the end of the data sheet.
GUID-20201004-CA0I-SDFZ-2BDT-GS0RXQMK2KZZ-low.gifSimplified Schematic TPS25850-Q1
GUID-20201005-CA0I-QLHK-PPVQ-KBVDZR1KMZBC-low.gifEfficiency vs Output Current

4 Revision History

Changes from Revision C (March 2021) to Revision D (September 2021)

  • Added TSP25851-Q1 and TPS25852-Q1 informationGo

Changes from Revision B (October 2020) to Revision C (March 2021)

  • Added EMI requirements bullet to the Section 1 sectionGo
  • Updated document titleGo
  • Added Figure 11-4 to the Section 11.2.3 sectionGo

Changes from Revision A (June 2020) to Revision B (October 2020)

  • Updated the numbering format for tables, figures and cross-references throughout the documentGo
  • Changed status from "Advance Information" to "Production Data"Go

Changes from Revision * (May 2020) to Revision A (June 2020)

  • Updated IN pin descriptionGo
  • Added Section 10.3.17 Go
  • Added Section 10.4 Go

 
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