SLVSEU9D November   2018  – January 2021 TPS63802

PRODUCTION DATA  

  1. 1 Features
  2. 2 Applications
  3. 3 Description
  4. 4 Revision History
  5. 5 Description (continued)
  6. 6 Device Comparison Table
  7. 7 Pin Configuration and Functions
  8. 8 Specifications
    1. 8.1 Absolute Maximum Ratings
    2. 8.2 ESD Ratings
    3. 8.3 Recommended Operating Conditions
    4. 8.4 Thermal Information
    5. 8.5 Electrical Characteristics
    6. 8.6 Typical Characteristics
  9. 9 Detailed Description
    1. 9.1 Overview
    2. 9.2 Functional Block Diagram
    3. 9.3 Feature Description
      1. 9.3.1  Control Loop Description
      2. 9.3.2  Precise Device Enable: Threshold- or Delayed Enable
      3. 9.3.3  Mode Selection (PFM/PWM)
      4. 9.3.4  Undervoltage Lockout (UVLO)
      5. 9.3.5  Soft Start
      6. 9.3.6  Adjustable Output Voltage
      7. 9.3.7  Overtemperature Protection - Thermal Shutdown
      8. 9.3.8  Input Overvoltage - Reverse-Boost Protection (IVP)
      9. 9.3.9  Output Overvoltage Protection (OVP)
      10. 9.3.10 Power-Good Indicator
    4. 9.4 Device Functional Modes
      1. 9.4.1 Peak-Current Mode Architecture
        1. 9.4.1.1 Reverse Current Operation, Negative Current
        2. 9.4.1.2 Boost Operation
        3. 9.4.1.3 Buck-Boost Operation
        4. 9.4.1.4 Buck Operation
      2. 9.4.2 Power Save Mode Operation
        1. 9.4.2.1 Current Limit Operation
  10. 10Application and Implementation
    1. 10.1 Application Information
    2. 10.2 Typical Application
      1. 10.2.1 Design Requirements
      2. 10.2.2 Detailed Design Procedure
        1. 10.2.2.1 Custom Design With WEBENCH® Tools
        2. 10.2.2.2 Inductor Selection
        3. 10.2.2.3 Output Capacitor Selection
        4. 10.2.2.4 Input Capacitor Selection
        5. 10.2.2.5 Setting The Output Voltage
      3. 10.2.3 Application Curves
  11. 11Power Supply Recommendations
  12. 12Layout
    1. 12.1 Layout Guidelines
    2. 12.2 Layout Example
  13. 13Device and Documentation Support
    1. 13.1 Device Support
      1. 13.1.1 Third-Party Products Disclaimer
      2. 13.1.2 Development Support
        1. 13.1.2.1 Custom Design With WEBENCH® Tools
    2. 13.2 Documentation Support
      1. 13.2.1 Related Documentation
    3. 13.3 Receiving Notification of Documentation Updates
    4. 13.4 Support Resources
    5. 13.5 Trademarks
    6. 13.6 Electrostatic Discharge Caution
    7. 13.7 Glossary
  14. 14Mechanical, Packaging, and Orderable Information

Package Options

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

10.2.3 Application Curves

Table 10-6 Components for Application Characteristic Curves (1)
REFERENCEDESCRIPTIONPART NUMBERMANUFACTURERCOMMENT
TPS63802 2 A Buck-Boost Converter (2 mm x 3 mm QFN)TPS63802DLATexas Instruments
L10.47 µH, 4 mm x 4 mm x 1.5 mm, 5.4 A, 7.6 mΩXFL4015-471MECoilcraft
C110 µF, 0603, Ceramic Capacitor, ±20%, 6.3 VGRM188R60J106ME84Murata
C21x 22 µF, 0603, Ceramic Capacitor, ±20%, 6.3 VGRM188R60J226MEA0MurataVO ≤ 3.6 V
C22x 22 µF, 0603, Ceramic Capacitor, ±20%, 6.3 VGRM188R60J226MEA0MurataVO > 3.6 V
R1511 kΩ, 0603 Resistor, 1%, 100 mWStandardStandardVO = 3.3 V
R1562 kΩ, 0603 Resistor, 1%, 100 mWStandardStandardVO = 3.6 V
R1806 kΩ, 0603 Resistor, 1%, 100 mWStandardStandardVO = 5 V
R291 kΩ, 0603 Resistor, 1%, 100 mWStandardStandard
R3100 kΩ, 0603 Resistor, 1%, 100 mWStandardStandard
Table 10-7 Typical Characteristics Curves
PARAMETER CONDITIONS FIGURE
Output Current Capability
Typical Output Current Capability versus Input Voltage VO = 3.3 V Figure 10-2
Switching Frequency
Typical Inductor Switching Frequency versus Input Voltage IO = 0 A, MODE = High Figure 10-3
Typical Inductor Burst Frequency versus Output Current VO = 3.3 V Figure 10-4
Efficiency
Efficiency versus Output Current (PFM/PWM) VI = 2.5 V to 4.2 V, VO = 3.3 V, MODE = Low Figure 10-5
Efficiency versus Output Current (PWM only) VI = 2.5 V to 4.2 V, VO = 3.3 V, MODE = High Figure 10-6
Efficiency versus Output Current (PFM/PWM) VI = 1.8 V to 5 V, VO = 3.3 V, MODE = Low Figure 10-7
Efficiency versus Output Current (PWM only) VI = 1.8 V to 5 V, VO = 3.3 V, MODE = High Figure 10-8
Efficiency versus. Input Voltage (PFM/PWM) VO = 3.3 V, MODE = Low Figure 10-9
Efficiency versus Input Voltage (PWM only) IO = 1 A, MODE = High Figure 10-10
Regulation Accuracy
Load Regulation, PWM Operation VO = 3.3 V, MODE = High Figure 10-11
Load Regulation, PFM/PWM Operation VO = 3.3 V, MODE = Low Figure 10-12
Line Regulation, PWM Operation IO = 1 A, MODE = High Figure 10-13
Line Regulation, PFM/PWM Operation IO = 1 A, MODE = Low Figure 10-14
Switching Waveforms
Switching Waveforms, PFM Boost Operation VI = 2.3 V, VO = 3.3 V, MODE = Low Figure 10-15
Switching Waveforms, PFM Buck-Boost Operation VI = 3.3 V, VO = 3.3 V, MODE = Low Figure 10-16
Switching Waveforms, PFM Buck Operation VI = 4.3 V, VO = 3.3 V, MODE = Low Figure 10-17
Switching Waveforms, PWM Boost Operation VI = 2.3 V, VO = 3.3 V, MODE = High Figure 10-18
Switching Waveforms, PWM Buck-Boost Operation VI = 3.3 V, VO = 3.3 V, MODE = High Figure 10-19
Switching Waveforms, PWM Buck Operation VI = 4.3 V, VO = 3.3 V, MODE = High Figure 10-20
Transient Performance
Load Transient, PFM/PWM Boost Operation VI = 2.5 V, VO = 3.3 V, Load = 100 mA to 1A, MODE = Low Figure 10-21
Load Transient, PFM/PWM Buck-Boost Operation VI = 3.3 V, VO = 3.3 V, Load = 100 mA to 1A, MODE = Low Figure 10-22
Load Transient, PFM/PWM Buck Operation VI = 4.2 V, VO = 3.3V, Load = 100 mA to 1A, MODE = Low Figure 10-23
Load Transient, PWM Boost Operation VI = 2.5 V, VO = 3.3 V, Load = 100 mA to 1A, MODE = High Figure 10-24
Load Transient, PWM Buck-Boost Operation VI = 3.3 V, VO = 3.3 V, Load = 100 mA to 1A, MODE = High Figure 10-25
Load Transient, PWM Buck Operation VI = 4.2 V, VO = 3.3 V, Load = 100 mA to 1A, MODE = High Figure 10-26
Line Transient, PWM Operation VI = 2.3 V to 4.3 V, VO = 3.3 V, Load = 0.5 A , MODE = Low Figure 10-27
Line Transient, PWM Operation VI = 2.3 V to 4.3 V, VO = 3.3 V, Load = 1 A , MODE = Low Figure 10-28
Line Transient, PWM Operation VI = 3 V to 3.6 V, VO = 3.3 V, Load = 0.5 A , MODE = Low Figure 10-29
Start-up
Start-up Behavior from Rising Enable, PFM Operation VI = 2.2 V, VO = 3.3 V, Load = 10 mA, MODE = Low Figure 10-30
Start-up Behavior from Rising Enable, PWM Operation VI = 2.2 V, VO = 3.3 V, Load = 10 mA, MODE = High Figure 10-31
GUID-8FCA767B-8F9A-4AE1-B5F9-A1865F44BE7C-low.gif
MODE = High
Figure 10-2 Typical Output Current Capability versus Input Voltage
GUID-493B8707-E813-465E-AE16-F530E68F9134-low.gif
VO = 3.6 VMODE = Low
Figure 10-4 Typical Inductor Burst Frequency versus Output Current
GUID-284422FA-072A-4B0F-A04B-494B35A2F9EE-low.gif
VO = 3.3 VMODE = High
Figure 10-6 Efficiency versus Output Current (PWM Only)
GUID-55C4BA3C-53A3-4EB5-A40A-09E179774F98-low.gif
VO = 3.3 VMODE = High
Figure 10-8 Efficiency versus Input Voltage (PWM Only)
GUID-66DE825B-F040-4BDA-8AE6-2DB38365BF52-low.gif
IO = 1 AMODE = Low
Figure 10-10 Efficiency versus Input Voltage (PWM Only)
GUID-455D488D-30D7-438E-B52C-D06F2CB3DF9F-low.gif
VO = 3.3 VMODE = Low
Figure 10-12 Load Regulation (PFM/PWM)
GUID-7A242ADE-DA88-4475-A893-77C724A6080E-low.gif
IO = 1 AMODE = High
Figure 10-14 Line Regulation (PFM/PWM)
GUID-031D1A8B-35BA-4905-AE5D-B176347AD2EF-low.png
VI = 3.3 V, VO = 3.3 VMODE = LowIO = 40 mA
Figure 10-16 Switching Waveforms, PFM Buck-Boost Operation
GUID-8A7BD0F3-3B71-460E-99CF-E1AE941D9568-low.png
VI = 2.3 V, VO = 3.3 VMODE = LowIO = 2 A
Figure 10-18 Switching Waveforms, PWM Boost Operation
GUID-B84E9692-A09D-4D96-8507-349F545A78C6-low.png
VI = 4.2 V, VO = 3.3 VMODE = LowIO = 2 A
Figure 10-20 Switching Waveforms, PWM Buck Operation
GUID-5A284709-92DC-4DF3-AEAC-7422D2072E5B-low.png
VI = 3.3 V, VO = 3.3 VIO from 100 mA to 1 A tr = 1 µs, tf = 1 µs MODE = Low
Figure 10-22 Load Transient, PFM/PWM Buck-Boost Operation
GUID-B7954938-A7CA-4739-97CC-BAE30D6331DA-low.png
VI = 2.5 V, VO = 3.3 VIO from 100 mA to 1 A tr = 1 µs, tf = 1 µs MODE = High
Figure 10-24 Load Transient, PWM Boost Operation
GUID-F82BCA11-8588-4616-882E-46565C9511CC-low.png
VI = 5 V, VO = 3.3 VIO from 100 mA to 1 A tr = 1 µs, tf = 1 µs MODE = High
Figure 10-26 Load Transient, PWM Buck Operation
GUID-89A0EA74-057B-46A1-A68F-FADC426B7687-low.png
IO = 1 AVI from 2.2 V to 4.2 V tr = 1 µs, tf = 1 µs MODE = High
Figure 10-28 Line Transient, PWM Operation
GUID-FD9811FE-E64B-4289-A05B-A807BA4B2F7F-low.png
VI = 4.2 V, VO = 3.3 V MODE = Low 100 mΩ resistive load
Figure 10-30 Start-up Behavior from Rising Enable, PFM Operation
GUID-EF7FF486-99D2-4DDB-BB23-C5329C2DFE99-low.gif
I O = 0 AMODE = HighVI rising
Figure 10-3 Typical Inductor Switching Frequency versus Input Voltage
GUID-256B893D-EA7F-4FD4-A39B-87A803D60051-low.gif
VO = 3.3 V MODE = Low
Figure 10-5 Efficiency versus Output Current (PFM/PWM)
GUID-0F41B40B-AA42-4BA3-A2A6-228568C2566B-low.gif
VO = 3.3 VMODE = Low
Figure 10-7 Efficiency versus Output Current (PFM/PWM)
GUID-4751545B-1170-4B76-BB2D-931C9F25B7A4-low.gif
VO = 3.3 VMODE = Low
Figure 10-9 Efficiency versus Input Voltage (PFM/PWM)
GUID-D0A6940F-9288-4C95-85EA-DB815E7CCE7D-low.gif
VO = 3.3 VMODE = High
Figure 10-11 Load Regulation (PWM Only)
GUID-B10C076F-CB61-4784-82C1-DD363A69484B-low.gif
IO = 1 AMODE = Low
Figure 10-13 Line Regulation (PWM Only)
GUID-6D107941-DF86-45E0-A4E7-1E50D96585D0-low.png
VI = 2.3 V, VO = 3.3 VMODE = LowIO = 40 mA
Figure 10-15 Switching Waveforms, PFM Boost Operation
GUID-4C151A2D-0715-43F0-96EC-D32C9E86649F-low.png
VI = 4.2 V, VO = 3.3 VMODE = LowIO = 40 mA
Figure 10-17 Switching Waveforms, PFM Buck Operation
GUID-7673000D-50E4-42DE-B283-D1BB514BAE69-low.png
VI = 3.3 V, VO = 3.3 VMODE = LowIO = 2 A
Figure 10-19 Switching Waveforms, PWM Buck-Boost Operation
GUID-30C29FAF-F8F2-4986-81B5-4B55FFE169D1-low.png
VI = 2.5 V, VO = 3.3 VIO from 100 mA to 1 A tr = 1 µs, tf = 1 µs MODE = Low
Figure 10-21 Load Transient, PFM/PWM Boost Operation
GUID-30D447F6-4002-43A8-BE53-D36112175557-low.png
VI = 5 V, VO = 3.3 VIO from 100 mA to 1 A tr = 1 µs, tf = 1 µs MODE = Low
Figure 10-23 Load Transient, PFM/PWM Buck Operation
GUID-5830785A-FD6A-450C-B6AF-11E3EE9A51DE-low.png
VI = 3.3 V, VO = 3.3 VIO from 100 mA to 1 A tr = 1 µs, tf = 1 µs MODE = High
Figure 10-25 Load Transient, PWM Buck-Boost Operation
GUID-5F535A2C-D462-4939-9C51-9E88384FE684-low.png
IO = 0.5 A VI from 2.2 V to 4.2 V tr =1 µs, tf = 1 µs MODE = High
Figure 10-27 Line Transient, PWM Operation
GUID-9E95586E-51E9-41B8-B9A7-D66381B5AFCD-low.png
IO = 0.5 A VI from 3 V to 3.6 V tr = 1 µs, tf = 1 µs MODE = High
Figure 10-29 Line Transient, PWM Operation
GUID-144D1B17-7232-43A1-9977-31B30239E811-low.png
VI = 4.2 V, VO = 3.3 V MODE = High 100 mΩ resistive load
Figure 10-31 Start-up Behavior from Rising Enable, PWM Operation