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

6.3 Recommended Operating Conditions

over operating free-air temperature range (unless otherwise noted)(1)
MIN MAX UNIT
VVIN Input voltage range (1) VIN, TPS66120 only. 2.85 3.6 V
VIN, TPS66121 only. 4.5 5.5 V
VPPHV Output voltage range (1) PPHV 0 22 V
VVBUS Input voltage range (1) VBUS when sinking 4 22 V
VEN Input voltage range (1) EN0 0 5.5 V
VFLT Output voltage range (1) FLT 0 5.5 V
IO_PPHV Continuous current from VBUS to PPHV TJ = 105℃ 4 A
TJ = 100℃ 5 A
IO_VLDO Output current from VBUS LDO 30 mA
RIREF External resistor current limit
reference		 75kΩ ±1% overall tolerance 74.25 75.75 kΩ
TJ Operating junction temperature –10 125 °C
RR_PPHV Maximum ramp rate on PPHV input supply –2 2 V/µs
RR_VBUS Maximum ramp rate on VBUS input supply –2 2 V/µs
RR_VIN Maximum ramp rate on VIN input supply 30 mV/µs
(1) All voltage values are with respect to network GND. All GND pins must be connected directly to the ground plane of the board.