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

6.8 Power Path Supervisory

Operating under these conditions unless otherwise noted: -10 ℃ ≤ TJ ≤ 125 ℃, 2.85V ≤ VVIN ≤ 5.5V, RIREF = 75 kΩ ±1% overall tolerance
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
UV_VIN_R Undervoltage threshold for VIN. VBUS LDO disables when threshold reached. VIN rising, TPS66020 only. 2.45 2.75 V
VIN rising, TPS66021 only. 3.89 4.40 V
UV_VIN_F Undervoltage threshold for VIN. Device resets. VIN falling, TPS66020 only. 2.35 2.65 V
VIN falling, TPS66021 only. 3.79 4.30 V
UVH_VIN Undervoltage hysteresis for VIN. 100 mV
UV_VBUS_R Undervoltage threshold for VBUS. PPHV switch disabled unitl threshold reached. VBUS rising 3.35 3.75 V
UV_VBUS_F Undervoltage threshold for VBUS. PPHV switch disables when threshold reached. VBUS falling 3.15 3.55 V
UVH_VBUS Undervoltage hysteresis for VBUS 200 mV
OVP_REF OVP reference voltage. 0.93 1 1.07 V
UV_PP5V_R Undervoltage threshold for PP5V. PP5V switch disabled unitl threshold reached. PP5V rising 3.9 4.5 V
UVH_PP5V Undervoltage hysteresis for PP5V 100 mV
UV_PP5V_F Undervoltage threshold for PP5V. PP5V swtch disables when threshold reached. PP5V falling 3.8 4.4 V
OV_PP5V_R Overvoltage threshold for PP5V. PP5V switch disabled if threshold reached. PP5V rising 5.60 5.9 6.2 V
OV_PP5V_F Overvoltage threshold for PP5V. PP5V switch enabled if threshold reached. PP5V falling 5.50 5.8 6.1 V
OVH_PP5V Overvoltage hysteresis for PP5V 100 mV
VFWD_DROP_VIN Forward voltage drop across
VIN to VLDO switch		 IVLDO = 35 mA 90 mV
tVIN_STABLE When VIN is above UV_VIN_R for this duration, VIN is considered valid. If device is being powered by VBUS LDO, it will then switch to VIN supply and VBUS LDO will be disabled. 5 15 ms