SLVSD46A November   2017  – December 2021 TPS55160-Q1 , TPS55162-Q1 , TPS55165-Q1

PRODUCTION DATA  

  1. 1 Features
  2. 2 Applications
  3. 3 Description
  4. 4 Revision History
  5. 5 Description (continued)
  6. 6 Pin Configuration and Functions
  7. 7 Specifications
    1. 7.1  Absolute Maximum Ratings
    2. 7.2  ESD Ratings
    3. 7.3  Recommended Operating Conditions
    4. 7.4  Thermal Information
    5. 7.5  Electrical Characteristics — External Components
    6. 7.6  Electrical Characteristics — Supply Voltage (VINP, VINL pins)
    7. 7.7  Electrical Characteristics — Reference Voltage (VOS_FB Pin) and Output Voltage (VOUT Pin)
    8. 7.8  Electrical Characteristics — Buck-Boost
    9. 7.9  Electrical Characteristics — Undervoltage and Overvoltage Lockout
    10. 7.10 Electrical Characteristics — IGN Wakeup
    11. 7.11 Electrical Characteristics — Logic Pins PS, IGN_PWRL, SS_EN
    12. 7.12 Electrical Characteristics – Overtemperature Protection
    13. 7.13 Electrical Characteristics – Power Good
    14. 7.14 Switching Characteristics — Reference Voltage (VOS_FB Pin) and Output Voltage (VOUT Pin)
    15. 7.15 Switching Characteristics — Buck-Boost
    16. 7.16 Switching Characteristics — Undervoltage and Overvoltage Lockout
    17. 7.17 Switching Characteristics — IGN Wakeup
    18. 7.18 Switching Characteristics — Logic Pins PS, IGN_PWRL, SS_EN
    19. 7.19 Switching Characteristics – Power Good
    20. 7.20 Typical Characteristics
  8. 8 Detailed Description
    1. 8.1 Overview
    2. 8.2 Functional Block Diagram
    3. 8.3 Feature Description
      1. 8.3.1 Spread-Spectrum Feature
      2. 8.3.2 Overcurrent Protection
      3. 8.3.3 Overtemperature Protection
      4. 8.3.4 Undervoltage Lockout and Minimum Start-Up Voltage
      5. 8.3.5 Overvoltage Lockout
      6. 8.3.6 VOUT Overvoltage Protection
      7. 8.3.7 Power-Good Pin
    4. 8.4 Device Functional Modes
      1. 8.4.1 State Diagram
      2. 8.4.2 Modes of Operation
        1. 8.4.2.1 Normal Mode
        2. 8.4.2.2 Low-Power Mode
      3. 8.4.3 Power-Up and Power-Down Sequences
      4. 8.4.4 Soft-Start Feature
      5. 8.4.5 Pulldown Resistor on VOUT
      6. 8.4.6 Output Voltage Selection
  9. 9 Application and Implementation
    1. 9.1 Application Information
      1. 9.1.1 Application Circuits for Output Voltage Configurations
    2. 9.2 Typical Application
      1. 9.2.1 Design Requirements
      2. 9.2.2 Detailed Design Procedure
        1. 9.2.2.1 Power-Circuit Selections: CIN, L, COUT
          1. 9.2.2.1.1 Inductor Current in Step-Down Mode
          2. 9.2.2.1.2 Inductor Current in Step-Up Mode
          3. 9.2.2.1.3 Inductor Current in Buck-Boost Overlap Mode
          4. 9.2.2.1.4 Inductor Peak Current
        2. 9.2.2.2 Control-Circuit Selections
          1. 9.2.2.2.1 Bootstrap Capacitors
          2. 9.2.2.2.2 VOUT-Sense Bypass Capacitor
          3. 9.2.2.2.3 VREG Bypass Capacitor
          4. 9.2.2.2.4 PG Pullup Resistor and Delay Time
      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 Device Support
      1. 12.1.1 Development Support
    2. 12.2 Documentation Support
      1. 12.2.1 Related Documentation
    3. 12.3 Receiving Notification of Documentation Updates
    4. 12.4 Support Resources
    5. 12.5 Trademarks
    6. 12.6 Electrostatic Discharge Caution
    7. 12.7 Glossary
  13. 13Mechanical, Packaging, and Orderable Information

Package Options

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

7.7 Electrical Characteristics — Reference Voltage (VOS_FB Pin) and Output Voltage (VOUT Pin)

Over operating free air temperature range –40°C ≤ TA ≤ 125°C and maximum junction temperature TJ = 150°C and recommended operating input supply range (unless otherwise noted)(1)
POSPARAMETERTEST CONDITIONSMINTYPMAXUNIT
2.1aVFB_NM_adjFeedback voltage in normal mode for adjustable VOUT setting(2)TPS55160/2-Q1:
Measured at VOS_FB pin
Resistive divider with total resistance < 1 MΩ connected between VOUT, VOS_FB, and GND pins		0.7840.80.816V
2.1bVFB_NM_5VFeedback voltage in normal mode for VOUT in fixed 5-V setting(2)TPS55165-Q1:
Measured at VOUT_SENSE pin
VOS_FB pin connected to GND; VOUT pin connected to VOUT_SENSE		4.955.1V
2.1cVFB_NM_12VFeedback voltage in normal mode for VOUT in fixed 12-V setting(2)TPS55165-Q1:
Measured at VOUT_SENSE pin
VOS_FB pin connected to VREG; VOUT pin connected to VOUT_SENSE		11.761212.24V
2.2aVFB_PS_adjFeedback voltage in low-power mode for adjustable VOUT setting(3)TPS55160/2-Q1:
Measured at VOS_FB pin
Resistive divider with total resistance < 1 MΩ connected between VOUT, VOS_FB, and GND pins		0.7760.80.824V
2.2bVFB_PS_5VFeedback voltage in low-power mode for VOUT in 5-V setting(3)TPS55165-Q1:
Measured at VOUT_SENSE pin
VOS_FB pin connected to GND; VOUT pin connected to VOUT_SENSE		4.8555.15V
2.2cVFB_PS_12VFeedback voltage in low-power mode for VOUT in 12-V setting(3)TPS55165-Q1:
Measured at VOUT_SENSE pin
VOS_FB pin connected to VREG; VOUT pin connected to VOUT_SENSE		11.641212.36V
2.3VOUT_OLAdjustable output voltage rangeTPS55160/2-Q1:
Measured at VOUT_SENSE pin		5.79V
2.6RpdVOUTPulldown discharge resistance at VOUTDevice in OFF state, INIT state, or PRE_RAMP state; VIGN = 0 V, VPS = 0 V, VIGN_PWRL = 0 V250365850Ω
(1) The term VIN refers to the voltage on all supply pins VINP and VINL (unless otherwise noted).
(2) VPS= 0 V; Average DC value excluding ripple and load transients for VIN and load current ranges as specified in IVOUT. Inclusive DC line and load regulation, temperature drift, and long term drift.
(3) VPS= 5 V; Average DC value excluding ripple and load transients for VIN and load current ranges as specified in IVOUT. Inclusive DC line and load regulation, temperature drift, and long term drift.