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

8.4.4 Device Functional Mode Summary

Table 2 summarizes the functional modes for the TPS6602x. As shown, the enabling and disabling of the respective Source or Sink is dependent upon the voltages present on PP5V and VBUS, as well as, the EN0 and EN1 control signals.

Table 2. TPS6602x Device Functional Modes(1)

EN1 EN0 VIN VVBUS VPP5V FLT Device State Source Path Sink Path
0 0 ≥ UV_VIN X X Hi-Z DISABLED Disabled
Safety engaged. 		Disabled
Safety engaged.
1 0 ≥ UV_VIN X ≥ UV_PP5V Hi-Z SRC 1.5 A Enabled
RCP, OVT, ILIM 1.5-A enabled.		 Disabled
Safety engaged.
L SRC FAULT Disabled
OVP, OVT, ILIMIT, or RCP event.		 Disabled
Safety engaged.
< UV_PP5V L SRC FAULT Disabled
PP5V UVLO event.		 Disabled
Safety engaged.
1 1 ≥ UV_VIN X ≥ UV_PP5V Hi-Z SRC 3 A Enabled
RCP, OVT, ILIM 3-A enabled.		 Disabled
Safety engaged.
L SRC FAULT Disabled
OVP, OVT, ILIMIT, or RCP event.		 Disabled
Safety engaged.
< UV_PP5V L SRC FAULT Disabled
PP5V UVLO event.		 Disabled
Safety engaged.
0 1 ≥ UV_VIN ≥ UV_VBUS X Hi-Z SNK Disabled
Safety engaged. 		Enabled
RCP, OVT enabled
X Hi-Z SNK FAULT Disabled
Safety engaged. 		Enabled with Blocking
RCP event.
X L SNK FAULT Disabled
Safety engaged. 		Disabled
OVP(2) or OVT event.
< UV_VBUS X Hi-Z SNK FAULT Disabled
Safety engaged. 		Disabled
VBUS UVLO event.
1 1 ≥ UV_VIN ≥ vSafe5V ≥ UV_PP5V Hi-Z FRS Disabled
OVT, ILIM 3-A enabled		 Disabled
Safety engaged.
< vSafe5V ≥ UV_PP5V Hi-Z SRC 3 A Enabled
RCP, OVT, ILIM 3-A enabled		 Disabled
Safety engaged.
≥ UV_PP5V L SRC FAULT Disabled
OVP, OVT, ILIMIT, or RCP event.		 Disabled
Safety engaged.
< UV_PP5V L SRC FAULT Disabled
PP5V UVLO event.		 Disabled
Safety engaged.
X X < UV_VIN < UV_VBUS X Hi-Z DISABLED Disabled
Safety engaged. 		Disabled
Safety engaged.
0 0 < UV_VIN ≥ UV_VBUS X Hi-Z DISABLED Disabled
Safety engaged. 		Disabled
Safety engaged.
1 0 < UV_VIN ≥ UV_VBUS ≥ UV_PP5V L SRC FAULT Disabled
RCP, OVT, ILIM 1.5A enabled		 Disabled
Safety engaged.
1 1 < UV_VIN ≥ UV_VBUS ≥ UV_PP5V L SRC FAULT Disabled
RCP, OVT, ILIM 3A enabled		 Disabled
Safety engaged.
0 1 < UV_VIN ≥ UV_VBUS(3) X Hi-Z SNK Disabled
Safety engaged. 		Enabled
RCP, OVT enabled
X Hi-Z SNK FAULT Disabled
Safety engaged. 		Enabled with Blocking
RCP event.
X L SNK FAULT Disabled
Safety engaged. 		Disabled
OVP(2) or OVT event.
< UV_VBUS(3) X Hi-Z SNK FAULT Disabled
Safety engaged. 		Disabled
VBUS UVLO event.
(1) X: do-not-care.
(2) When OVP function used and VBUS exceeds OVP threshold, VVBUS_OVP_THRESHOLD.
(3) In this case VLDO is supplying power to the device.