SLVSI89A March   2026  – June 2026 TPS63820

PRODUCTION DATA  

  1.   1
  2. 1 Features
  3. 2 Applications
  4. 3 Description
  5. 4 Device Comparison Table
  6. 5 Pin Configuration and Functions
  7. 6 Specifications
    1. 6.1 Absolute Maximum Ratings
    2. 6.2 ESD Ratings
    3. 6.3 Recommended Operating Conditions
    4. 6.4 Thermal Information
    5. 6.5 Electrical Characteristics
    6. 6.6 Timing Requirements
    7. 6.7 Typical Characteristics
  8. 7 Detailed Description
    1. 7.1 Overview
    2. 7.2 Functional Block Diagram
    3. 7.3 Feature Description
      1. 7.3.1  Control Scheme
        1. 7.3.1.1 Buck Operation
        2. 7.3.1.2 Boost Operation
        3. 7.3.1.3 Buck-Boost Operation
      2. 7.3.2  PFM Operation
      3. 7.3.3  Ultra-sonic Mode Operation
      4. 7.3.4  Forced-PWM Operation (FPWM)
      5. 7.3.5  Ramp-PWM Operation (RPWM)
      6. 7.3.6  Device Enable (EN)
      7. 7.3.7  Undervoltage Lockout (UVLO)
      8. 7.3.8  Soft Start
      9. 7.3.9  Dynamic Voltage Scaling
      10. 7.3.10 Protection Functions
        1. 7.3.10.1 Input Voltage Protection (IVP)
        2. 7.3.10.2 Output Voltage Protection (OVP)
        3. 7.3.10.3 Current Limit Mode and Overcurrent Protection
        4. 7.3.10.4 Output Short-Circuit Protection (Hiccup)
        5. 7.3.10.5 Thermal Shutdown
      11. 7.3.11 Power Good
      12. 7.3.12 Load Disconnect
      13. 7.3.13 Output Discharge
    4. 7.4 Device Functional Modes
    5. 7.5 Programming
      1. 7.5.1 Serial Interface Description
      2. 7.5.2 Standard-, Fast-, and Fast-Mode Plus Protocol
      3. 7.5.3 I2C Update Sequence
  9. 8 Register Map
    1. 8.1 Register Description
      1. 8.1.1 Register Map
      2. 8.1.2 Register CONTROL (Register address: 0x01; Default: 0xE0 or 0x40)
      3. 8.1.3 Register STATUS (Register address: 0x02; Default: 0x00)
      4. 8.1.4 Register DEVID (Register address: 0x03; Default: 0x20)
      5. 8.1.5 Register VOUT1 (Register address: 0x04; Default: 0x54)
      6. 8.1.6 Register CONTROL2 (Register address: 0x06; Default: 0x08)
  10. 9 Application and Implementation
    1. 9.1 Application Information
    2. 9.2 Typical Applications
      1. 9.2.1 1.2V to 5.5V Output Power Supply
        1. 9.2.1.1 Design Requirements
        2. 9.2.1.2 Detailed Design Procedure
          1. 9.2.1.2.1 Inductor Selection
          2. 9.2.1.2.2 Output Capacitor Selection
          3. 9.2.1.2.3 Input Capacitor Selection
        3. 9.2.1.3 Application Curves
    3. 9.3 Power Supply Recommendations
    4. 9.4 Layout
      1. 9.4.1 Layout Guidelines
      2. 9.4.2 Layout Example
  11. 10Device and Documentation Support
    1. 10.1 Device Support
      1. 10.1.1 Third-Party Products Disclaimer
    2. 10.2 Documentation Support
      1. 10.2.1 Related Documentation
    3. 10.3 Receiving Notification of Documentation Updates
    4. 10.4 Support Resources
    5. 10.5 Trademarks
    6. 10.6 Electrostatic Discharge Caution
    7. 10.7 Glossary
  12. 11Revision History
  13. 12Mechanical, Packaging, and Orderable Information
    1.     79

9.2.1.3 Application Curves

Table 9-4 lists the components that were used for the measurements contained in the following pages.

Table 9-4 Components for Application Characteristic Curves
REFERENCE DESCRIPTION PART NUMBER MANUFACTURER
C1 Capacitor, 10µF, 6.3V, 0603, ceramic GRM188R60J106ME84D Murata
C2, C3 Capacitor, 22µF, 10V, 0603, ceramic GRT188R61A226ME13D Murata
L1 Inductor, 0.47µH, 7.6mΩ XFL4015-471MEC Coilcraft
U1 Integrated circuit TPS63820YBGR Texas Instruments

TPS63820 Efficiency versus Output Current
VI = 3.6V PFM TA = 25°C
Figure 9-2 Efficiency versus Output Current
TPS63820 Efficiency versus Input Voltage
IO = 1A PFM TA = 25°C
Figure 9-4 Efficiency versus Input Voltage
TPS63820 Load Regulation
VI = 3.6V PFM TA = 25°C
Figure 9-6 Load Regulation
TPS63820 Switching Frequency versus Input Voltage
IO = 1A FPWM TA = 25°C
VI rising
Figure 9-8 Switching Frequency versus Input Voltage
TPS63820 Efficiency versus Output Current
VI = 3.6V FPWM TA = 25°C
Figure 9-3 Efficiency versus Output Current
TPS63820 Load Regulation
VI = 3.6V FPWM TA = 25°C
Figure 9-5 Load Regulation
TPS63820 Line Regulation
IO = 1A FPWM TA = 25°C
Figure 9-7 Line Regulation
TPS63820 Steady State (Boost Operation)
VIN = 2.0V PFM TA = 25°C
VOUT = 3.3V IO = 100mA
Figure 9-9 Steady State (Boost Operation)
TPS63820 Steady State (Buck-Boost Operation)
VIN = 3.3V PFM TA = 25°C
VOUT = 3.3V IO = 100mA
Figure 9-11 Steady State (Buck-Boost Operation)
TPS63820 Steady State (Buck Operation)
VIN = 5.5V PFM TA = 25°C
VOUT = 3.3V IO = 100mA
Figure 9-13 Steady State (Buck Operation)
TPS63820 Steady State (Buck-Boost Operation)
VIN = 3.3V FPWM TA = 25°C
VOUT = 3.3V IO = 500mA
Figure 9-15 Steady State (Buck-Boost Operation)
TPS63820 Steady State (Buck-Boost Operation)
VIN = 3.3V FPWM TA = 25°C
VOUT = 3.3V IO = 3.0A
Figure 9-17 Steady State (Buck-Boost Operation)
TPS63820 Line Transient Response
VI = 3.0V to 3.6V to 3.0V PFM TA = 25°C
VO = 3.3V IO = 200mA
Figure 9-19 Line Transient Response
TPS63820 Line Transient Response
VI = 3.0V to 3.6V to 3.0V PFM TA = 25°C
VO = 3.3V IO = 3.0A
Figure 9-21 Line Transient Response
TPS63820 Load Transient Response (Buck-Boost)
VI = 3.3V PFM TA = 25°C
VO = 3.3V IO = 10mA to 2A to 10mA
Figure 9-23 Load Transient Response (Buck-Boost)
TPS63820 Load Transient Response (Buck-Boost)
VI = 3.3V FPWM TA = 25°C
VO = 3.3V IO = 0.5A to 2A to 0.5A
Figure 9-25 Load Transient Response (Buck-Boost)
TPS63820 Line Sweep (PFM)
VI = 2.0V to 5.5V to 2.0V PFM TA = 25°C
VO = 3.3 V RLOAD = 10Ω
Figure 9-27 Line Sweep (PFM)
TPS63820 Line Sweep (FPWM, totally in buck-boost)
VI = 3.0V to 3.6V to 3.0V FPWM TA = 25°C
VO = 3.3V IO = 1.0A BB window = 350mV
Figure 9-29 Line Sweep (FPWM, totally in buck-boost)
TPS63820 Load Sweep (PFM)
VI = 3.3V PFM TA = 25°C
VO = 3.3V IO = 0A to 3A to 0A
Figure 9-31 Load Sweep (PFM)
TPS63820 Start-Up Waveforms (Light Load)
VI = 3.6V PFM TA = 25°C
VO = 3.3V RLOAD = 33Ω
Figure 9-33 Start-Up Waveforms (Light Load)
TPS63820 Start-Up Waveforms (No Load)
VI = 3.6V FPWM TA = 25°C
VO = 3.3V No load Soft Start = 7.5ms
Figure 9-35 Start-Up Waveforms (No Load)
TPS63820 Dynamic Voltage Scaling (RPWM Disable)
VI = 3.6V RPWM disable TA = 25°C
VO = 2.5V to 4.5V RL = 330Ω
Figure 9-37 Dynamic Voltage Scaling (RPWM Disable)
TPS63820 Dynamic Voltage Scaling (RPWM Enable)
VI = 3.6V RPWM enable TA = 25°C
VO = 2.5V to 4.5V RL = 330 Ω
Figure 9-39 Dynamic Voltage Scaling (RPWM Enable)
TPS63820 Output Short Protection
VI = 3.6V PFM TA = 25°C
VO = 3.3V No load
Figure 9-41 Output Short Protection
TPS63820 Steady State (Boost Operation)
VIN = 2.0V FPWM TA = 25°C
VOUT = 3.3V IO = 100mA
Figure 9-10 Steady State (Boost Operation)
TPS63820 Steady State (Buck-Boost Operation)
VIN = 3.0V FPWM TA = 25°C
VOUT = 3.3V IO = 100mA
Figure 9-12 Steady State (Buck-Boost Operation)
TPS63820 Steady State (Buck Operation)
VIN = 5.5V FPWM TA = 25°C
VOUT = 3.3V IO = 100mA
Figure 9-14 Steady State (Buck Operation)
TPS63820 Steady State (Buck-Boost Operation)
VIN = 3.3V FPWM TA = 25°C
VOUT = 3.3V IO = 1.5A
Figure 9-16 Steady State (Buck-Boost Operation)
TPS63820 Steady State (Buck-Boost Operation)
VIN = 3.3V Ultra-Sonic Mode TA = 25°C
VOUT = 3.3V No load
Figure 9-18 Steady State (Buck-Boost Operation)
TPS63820 Line Transient Response
VI = 3.0V to 3.6V to 3.0V PFM TA = 25°C
VO = 3.3V IO = 1.0A
Figure 9-20 Line Transient Response
TPS63820 Load Transient Response (Buck)
VI = 4.2V PFM TA = 25°C
VO = 3.3V IO = 10mA to 2A to 10mA
Figure 9-22 Load Transient Response (Buck)
TPS63820 Load Transient Response (Boost)
VI = 2.6V PFM TA = 25°C
VO = 3.3V IO = 10mA to 2A to 10mA
Figure 9-24 Load Transient Response (Boost)
TPS63820 Load Transient Response (Buck-Boost)
VI = 3.3V FPWM TA = 25°C
VO = 3.3V IO = 1.0A to 3A to 1.0A
Figure 9-26 Load Transient Response (Buck-Boost)
TPS63820 Line Sweep (FPWM)
VI = 2.0V to 5.5V to 2.0V FPWM TA = 25°C
VO = 3.3V RLOAD = 10Ω
Figure 9-28 Line Sweep (FPWM)
TPS63820 Line Sweep (FPWM, totally in boost)
VI = 3.0V to 3.6V to 3.0V FPWM TA = 25°C
VO = 4.0V IO = 1.0A BB window = 275mV
Figure 9-30 Line Sweep (FPWM, totally in boost)
TPS63820 Load Sweep (FPWM)
VI = 3.3V FPWM TA = 25°C
VO = 3.3V IO = 0A to 3A to 0A
Figure 9-32 Load Sweep (FPWM)
TPS63820 Start-Up Waveforms (Heavy Load)
VI = 3.6V PFM TA = 25°C
VO = 3.3V RLOAD = 3.3Ω
Figure 9-34 Start-Up Waveforms (Heavy Load)
TPS63820 Start-Up Waveforms (Heavy Load)
VI = 3.6V FPWM TA = 25°C
VO = 3.3V RLOAD = 3.3Ω Soft Start = 7.5ms
Figure 9-36 Start-Up Waveforms (Heavy Load)
TPS63820 Dynamic Voltage Scaling (RPWM Disable)
VI = 3.6V RPWM disable TA = 25°C
VO = 4.5V to 2.5V RL = 330Ω
Figure 9-38 Dynamic Voltage Scaling (RPWM Disable)
TPS63820 Dynamic Voltage Scaling (RPWM Enable)
VI = 3.6V RPWM enable TA = 25°C
VO = 4.5V to 2.5V RL = 330 Ω
Figure 9-40 Dynamic Voltage Scaling (RPWM Enable)