SLVSEW9B August   2019  – December  2019 TPS66120 , TPS66121

PRODUCTION DATA.  

  1. 1 Features
  2. 2 Applications
  3. 3 Description
    1.     Function Table
      1.      TPS6612x 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  PPHV Power Switch Characteristics
    7. 6.7  Power Path Supervisory
    8. 6.8  VBUS LDO Characteristics
    9. 6.9  Thermal Shutdown Characteristics
    10. 6.10 Input-output (I/O) Characteristics
    11. 6.11 Power Consumption Characteristics
    12. 6.12 Typical Characteristics
  7. 7 Detailed Description
    1. 7.1 Overview
    2. 7.2 Functional Block Diagram
    3. 7.3 Feature Description
      1. 7.3.1 20-V Sink (PPHV Power Path)
        1. 7.3.1.1 PPHV Soft Start
        2. 7.3.1.2 PPHV Reverse Current Protection (RCP)
      2. 7.3.2 Overtemperature Protection
      3. 7.3.3 VBUS Overvoltage Protection (OVP)
      4. 7.3.4 Power Management and Supervisory
        1. 7.3.4.1 Supply Connections
        2. 7.3.4.2 Power Up Sequences
          1. 7.3.4.2.1 Normal Power Up
          2. 7.3.4.2.2 Dead Battery Operation
    4. 7.4 Device Functional Modes
      1. 7.4.1 State Transitions
        1. 7.4.1.1 DISABLED State
        2. 7.4.1.2 SNK State
      2. 7.4.2 SNK FAULT State
      3. 7.4.3 Device Functional Mode Summary
      4. 7.4.4 Enabling the PPHV Sink Path
      5. 7.4.5 Faults
        1. 7.4.5.1 Fault Types
  8. 8 Application and Implementation
    1. 8.1 Application Information
    2. 8.2 Typical Application
      1. 8.2.1 Design Requirements
      2. 8.2.2 Detailed Design Procedure
        1. 8.2.2.1 External VLDO Capacitor (CVLDO)
        2. 8.2.2.2 PPHV, VBUS Power Path Capacitance
        3. 8.2.2.3 VBUS TVS Protection (Optional)
        4. 8.2.2.4 VBUS Schottky Diode Protection (Optional)
        5. 8.2.2.5 VBUS Overvoltage Protection (Optional)
        6. 8.2.2.6 Dead Battery Support
      3. 8.2.3 Application Curves
  9. 9 Power Supply Recommendations
  10. 10Layout
    1. 10.1 Layout Guidelines
    2. 10.2 Layout Example
  11. 11Device and Documentation Support
    1. 11.1 Related Links
    2. 11.2 Receiving Notification of Documentation Updates
    3. 11.3 Support Resources
    4. 11.4 Trademarks
    5. 11.5 Electrostatic Discharge Caution
    6. 11.6 Glossary
  12. 12Mechanical, Packaging, and Orderable Information

Package Options

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

6.6 PPHV Power Switch Characteristics

Operating under these conditions unless otherwise noted: -10 ℃ ≤ TJ ≤ 125 ℃, 2.85V ≤ VVIN ≤ 5.5V
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
RPPHV Resistance from PPHV to VBUS ILOAD = 1 A, TJ = 25 ℃, SNK state. 22 26 mΩ
ILOAD = 1 A, -10 ℃ ≤ TJ ≤ 125 ℃, SNK state. 22 45 mΩ
VPPHV_RCP Maximum voltage due to reverse current during RCP response. SNK state, VVBUS = 5.5V, ramp VPPHV from 5.5V to 21V at 100 V/ms, CVBUS = 10µF, measure VVBUS 5.8 V
VPPHV_OVP Maximum voltage rise due to reverse current during  VBUS OVP response. SNK state, VVBUS = 5.5V, set VOVP = 6V, ramp VVBUS from 5.5V to 21V at 100 V/ms, CPPHV = 4.7µF, measure VPPHV 6.2 V
VRCP_THRES_PPHV Reverse current blocking voltage threshold for PPHV switch 2 6 10 mV
SS Soft-start slew rate Transition from DISABLED state to SNK state, VVBUS = 5V, CPPHV = 100µF. Measure slew rate on PPHV. 0.2 0.6 V/ms
tON_PPHV PPHV enable time including Soft-start. RPPHV = 100Ω, VVBUS = 5V, CPPHV = 100 µF. Transition from DISABLED state to SNK state,  VPPHV at 90% of final value. 9 15 29 ms
tOFF_PPHV PPHV disable time. RPPHV = 100Ω, VVBUS = 5V, CPPHV = 4.7 µF. Transition from SNK state to DISABLED state,  VPPHV falls to 4.5V. 0.9 2.2 4.3 ms