SLVSEW8B August   2019  – December 2019 TPS66020 , TPS66021

PRODUCTION DATA.  

  1. 1 Features
  2. 2 Applications
  3. 3 Description
    1.     Function Table
      1.      TPS6602x Block Diagram
  4. 4 Revision History
  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  Recommended Supply Load Capacitance
    5. 6.5  Thermal Information
    6. 6.6  PP5V Power Switch Characteristics
    7. 6.7  PPHV Power Switch Characteristics
    8. 6.8  Power Path Supervisory
    9. 6.9  VBUS LDO Characteristics
    10. 6.10 Thermal Shutdown Characteristics
    11. 6.11 Input-output (I/O) Characteristics
    12. 6.12 Power Consumption Characteristics
    13. 6.13 Typical Characteristics
  7. 7 Parameter Measurement Information
  8. 8 Detailed Description
    1. 8.1 Overview
    2. 8.2 Functional Block Diagram
    3. 8.3 Feature Description
      1. 8.3.1 5-V Source (PP5V Power Path)
        1. 8.3.1.1 PP5V Current Limit
        2. 8.3.1.2 PP5V Reverse Current Protection (RCP)
      2. 8.3.2 20-V Sink (PPHV Power Path)
        1. 8.3.2.1 PPHV Soft Start
        2. 8.3.2.2 PPHV Reverse Current Protection (RCP)
      3. 8.3.3 Overtemperature Protection
      4. 8.3.4 VBUS Overvoltage Protection (OVP)
      5. 8.3.5 Power Management and Supervisory
        1. 8.3.5.1 Supply Connections
        2. 8.3.5.2 Power Up Sequences
          1. 8.3.5.2.1 Normal Power Up
          2. 8.3.5.2.2 Dead Battery Operation
    4. 8.4 Device Functional Modes
      1. 8.4.1 State Transitions
        1. 8.4.1.1 DISABLED State
        2. 8.4.1.2 SRC 1.5-A State
        3. 8.4.1.3 SRC 3-A State
        4. 8.4.1.4 SNK State
        5. 8.4.1.5 FRS (Fast Role Swap) State
      2. 8.4.2 SRC FAULT State
      3. 8.4.3 SNK FAULT State
      4. 8.4.4 Device Functional Mode Summary
      5. 8.4.5 Enabling the PP5V Source Path
      6. 8.4.6 Enabling the PPHV Sink Path
      7. 8.4.7 Fast Role Swap (FRS)
        1. 8.4.7.1 Overview
        2. 8.4.7.2 Fast Role Swap Use Cases
        3. 8.4.7.3 Fast Role Swap Sequence
      8. 8.4.8 Faults
        1. 8.4.8.1 Fault Types
  9. 9 Application and Implementation
    1. 9.1 Application Information
    2. 9.2 Typical Application
      1. 9.2.1 Design Requirements
      2. 9.2.2 Detailed Design Procedure
        1. 9.2.2.1 External Current Reference Resistor (RIREF)
        2. 9.2.2.2 External VLDO Capacitor (CVLDO)
        3. 9.2.2.3 PP5V Power Path Capacitance
        4. 9.2.2.4 PPHV, VBUS Power Path Capacitance
        5. 9.2.2.5 VBUS TVS Protection (Optional)
        6. 9.2.2.6 VBUS Schottky Diode Protection (Optional)
        7. 9.2.2.7 VBUS Overvoltage Protection (Optional)
        8. 9.2.2.8 Dead Battery Support
        9. 9.2.2.9 Fast Role Swap (FRS) (Optional)
      3. 9.2.3 Application Curves
  10. 10Power Supply Recommendations
  11. 11Layout
    1. 11.1 Layout Guidelines
    2. 11.2 Layout Example
  12. 12Device and Documentation Support
    1. 12.1 Related Links
    2. 12.2 Receiving Notification of Documentation Updates
    3. 12.3 Support Resources
    4. 12.4 Trademarks
    5. 12.5 Electrostatic Discharge Caution
    6. 12.6 Glossary
  13. 13Mechanical, Packaging, and Orderable Information

Package Options

Mechanical Data (Package|Pins)
Thermal pad, mechanical data (Package|Pins)
Orderable Information

6.6 PP5V Power Switch Characteristics

Operating under these conditions unless otherwise noted: -10 ℃ ≤ TJ ≤ 125 ℃, 2.85V ≤ VVIN ≤ 5.5V, RIREF = 75 kΩ ±1% overall tolerance, 4.9V ≤ VPP5V ≤ 5.5V
 
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
RPP5V Resistance from PP5V to VBUS ILOAD = 1 A, PP5V = 5.0V, TJ = 25℃, SRC 1P5A or SRC 3P0A state. 30 35 mΩ
ILOAD = 1 A, PP5V = 5.0V, -10 ℃ ≤ TJ ≤ 125 ℃, SRC 1P5A or SRC 3P0A state. 30 50 mΩ
ISC_IREF Short circuit current from VBUS with IREF terminal shorted. VIREF = 0V, SRC 1P5A or SRC 3P0A state. 8 A
VIREF Output voltage SRC 1.5A state 0.56 V
SRC 3.0A state 1.13 V
ILIM_PP5V_1P5 Current limit for 1.5A setting SRC 1.5A state 1.60 1.74 1.87 A
ILIM_PP5V_3P0 Current limit for 3.0A setting SRC 3.0A state 3.2 3.45 3.7 A
ILIMPP5VF Difference between current limit and current limit fault flag assertion, ILIM5VF ≤ ILIM5V. SRC 1P5A or SRC 3P0A state. PP5V = 5V. Sweep load current and monitor FLT transition from 1 to 0 (50% point). CFLT = 20pF, RPU = 10 kΩ to VLDO. 12 mA
tILIMIT_FLT Time from PP5V current limit detected until FLT asserted low. SRC 1P5A or SRC 3P0A state. PP5V = 5V. Sweep load current and monitor FLT transition from 1 to 0 (50% point). CFLT = 20pF, RPU = 10 kΩ to VLDO. 4 10 16 ms
VPP5V_RCP Maximum voltage due to reverse current. Source path disables due to RCP comparator. SRC 1P5A or SRC 3P0A state. VPP5V = 5.5V, ramp VVBUS from 5.5V to 21V at 75 V/ms, CPP5V = 47µF, measure VPP5V 5.8 V
VPP5V_RCP_OVP Maximum voltage due to reverse current. Source path disables due to OVP protection on PP5V. SRC 1P5A or SRC 3P0A state. VPP5V = 5.5V,  ramp VVBUS from 5.5V to 21V at 5 V/ms, CPP5V = 4.7µF, measure VPP5V 6.25 V
VRCP_THRES_PP5V Reverse current blocking voltage threshold for PP5V switch 25 35 45 mV
tOS_PP5V Response time to VBUS short circuit VBUS to GND through 10mΩ 2.0 µs
tON_PP5V PP5V enable time. RL = 100Ω, VPP5V = 5V, CL=0, Transition from DISABLED state to SRC 1.5A state, VVBUS reaches 90% of final value. 2.6 4.5 5.3 ms
tOFF_PP5V PP5V disable time. RL = 100Ω, VPP5V = 5V, CL=0, Transition from SRC 1.5A or SRC 3.0A state to DISABLED state,  VVBUS at 10% of final value. 0.5 0.7 1.2 ms
tRISE_PP5V VBUS from 10% to 90% of final value RL = 100Ω, VPP5V = 5V, CL=0, Transition from DISABLED state to SRC 1.5A state 0.5 0.9 1.5 ms
tFALL_PP5V VBUS from 90% to 10% of initial value RL = 100Ω, VPP5V = 5V, CL=0, Transition from SRC 1.5A or SRC 3.0A state to DISABLED state 0.1 0.16 0.25 ms