SLVSH51B July   2023  – February 2025 TPS631012 , TPS631013

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 Rating
    3. 6.3 Recommended Operating Conditions
    4. 6.4 Thermal Information
    5. 6.5 Electrical Characteristics 
    6. 6.6 Timing Requirements
  8. 7 Detailed Description
    1. 7.1 Overview
    2. 7.2 Functional Block Diagram
    3. 7.3 Feature Description
      1. 7.3.1 Undervoltage Lockout (UVLO)
      2. 7.3.2 Enable and Soft Start
      3. 7.3.3 Device Enable (EN)
      4. 7.3.4 Output Voltage Control
      5. 7.3.5 Mode Selection (PFM/FPWM)
      6. 7.3.6 Output Discharge
      7. 7.3.7 Reverse Current Operation
      8. 7.3.8 Protection Features
        1. 7.3.8.1 Input Overvoltage Protection
        2. 7.3.8.2 Output Overvoltage Protection
        3. 7.3.8.3 Short Circuit Protection/Hiccup
        4. 7.3.8.4 Thermal Shutdown
    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
    6. 7.6 Register Map
      1. 7.6.1 Register Description
        1. 7.6.1.1 Register Map
        2. 7.6.1.2 Register CONTROL1 (Register address: 0x02; Default: 0x08)
        3. 7.6.1.3 Register VOUT (Register address: 0x03; Default: 0x5C)
        4. 7.6.1.4 Register CONTROL2 (Register address: 0x05; Default: 0x45)
  9. 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 Inductor Selection
        2. 8.2.2.2 Output Capacitor Selection
        3. 8.2.2.3 Input Capacitor Selection
        4. 8.2.2.4 Setting the Output Voltage
      3. 8.2.3 Application Curves
    3. 8.3 Power Supply Recommendations
    4. 8.4 Layout
      1. 8.4.1 Layout Guidelines
      2. 8.4.2 Layout Example
  10. 9 Device and Documentation Support
    1. 9.1 Device Support
      1. 9.1.1 Third-Party Products Disclaimer
    2. 9.2 Receiving Notification of Documentation Updates
    3. 9.3 Support Resources
    4. 9.4 Trademarks
    5. 9.5 Electrostatic Discharge Caution
    6. 9.6 Glossary
  11. 10Revision History
  12. 11Mechanical, Packaging, and Orderable Information
    1. 11.1 Mechanical Data

Package Options

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

8.2.3 Application Curves

TPS631012 TPS631013 Efficiency vs Output Current (FPWM)
VOUT = 3.3V FPWM
Figure 8-2 Efficiency vs Output Current (FPWM)
TPS631012 TPS631013 Efficiency vs Input Voltage (PFM)
VOUT = 3.3V PFM
Figure 8-4 Efficiency vs Input Voltage (PFM)
TPS631012 TPS631013 Typical Output Current Capability vs Input Voltage
VOUT = 3.3V
Figure 8-6 Typical Output Current Capability vs Input Voltage
TPS631012 TPS631013 Switching Waveforms, Buck-Boost Operation with 1A Load
VIN = 3.4V, VOUT = 3.3V IOUT = 1A, FPWM
Figure 8-8 Switching Waveforms, Buck-Boost Operation with 1A Load
TPS631012 TPS631013 Switching Waveforms, Buck Operation with 1A Load
VIN = 4.3V, VOUT = 3.3VIOUT = 1A, PFM
Figure 8-10 Switching Waveforms, Buck Operation with 1A Load
TPS631012 TPS631013 Start-Up by EN (Measured on TPS631013)
VIN = 3.3V, VOUT = 3.3VRload = 4Ω, PFM
Figure 8-12 Start-Up by EN (Measured on TPS631013)
TPS631012 TPS631013 Load Transient at 2.7V Input Voltage
VIN = 2.7V, VOUT = 3.3VIOUT = 100mA to 1A with 20µs slew rate
Figure 8-14 Load Transient at 2.7V Input Voltage
TPS631012 TPS631013 Load Transient at 3.6V Input Voltage
VIN = 3.6V, VOUT = 3.3VIOUT = 100mA to 1A with 20µs slew rate
Figure 8-16 Load Transient at 3.6V Input Voltage
TPS631012 TPS631013 Load Transient at 4.3V Input Voltage
VIN = 4.3V, VOUT = 3.3VIOUT = 100mA to 1A with 20µs slew rate
Figure 8-18 Load Transient at 4.3V Input Voltage
TPS631012 TPS631013 Line Transient at 1A Load Current
VIN = 2.7V to 4.3V with 20µs slew rate, VOUT = 3.3VIOUT = 1A
Figure 8-20 Line Transient at 1A Load Current
TPS631012 TPS631013 Output Short Protection (Entry)
VIN = 3.6V, VOUT = 3.3VIOUT = 1A, FPWM
Figure 8-22 Output Short Protection (Entry)
TPS631012 TPS631013 Load Regulation (FPWM)
VOUT = 3.3V FPWM
Figure 8-3 Load Regulation (FPWM)
TPS631012 TPS631013 Load Regulation (PFM)
VO = 3.3V PFM
Figure 8-5 Load Regulation (PFM)
TPS631012 TPS631013 Switching Waveforms, Boost Operation with 1A Load
VIN = 2.7V, VOUT = 3.3VIOUT = 1A, PFM
Figure 8-7 Switching Waveforms, Boost Operation with 1A Load
TPS631012 TPS631013 Switching Waveforms, Buck Operation with 1-A Load
VIN = 3.6V, VOUT = 3.3gV IOUT = 1A, PFM
Figure 8-9 Switching Waveforms, Buck Operation with 1-A Load
TPS631012 TPS631013 Switching Waveforms at 1mA Load
VIN = 3.6V, VOUT = 3.3VIOUT = 1mA, PFM
Figure 8-11 Switching Waveforms at 1mA Load
TPS631012 TPS631013 Shutdown by EN
VIN = 3.3V, VOUT = 3.3VRload = 4Ω, PFM
Figure 8-13 Shutdown by EN
TPS631012 TPS631013 Load Sweep at 2.7V Input Voltage
VIN = 2.7V, VOUT = 3.3VIOUT = 100mA to 1A sweep
Figure 8-15 Load Sweep at 2.7V Input Voltage
TPS631012 TPS631013 Load Sweep at 3.6V Input Voltage
VIN = 3.6V, VOUT = 3.3VIOUT = 100mA to 1A sweep
Figure 8-17 Load Sweep at 3.6V Input Voltage
TPS631012 TPS631013 Load Sweep at 4.3V Input Voltage
VIN = 4.3V, VOUT = 3.3VIOUT = 100mA to 1A sweep
Figure 8-19 Load Sweep at 4.3V Input Voltage
TPS631012 TPS631013 Line Sweep at 1A Load Current
VIN = 2.7V to 4.3V sweep, VOUT = 3.3VIOUT = 1A
Figure 8-21 Line Sweep at 1A Load Current
TPS631012 TPS631013 Output Short Protection (Recover)
VIN = 3.6V, VOUT = 3.3VIOUT = 1A, FPWM
Figure 8-23 Output Short Protection (Recover)
Table 8-5 Components for Application Characteristic Curves for VOUT = 3.3V
REFERENCEDESCRIPTION (2)PART NUMBERMANUFACTURER(1)
U1High Power Density 1.5A Buck-Boost ConverterTPS631012 or TPS631013Texas Instruments
L11.0μH, 2.5mm x 2.0mm, 4.3A, 42mΩDFE252012P-1R0M=P2MuRata
C122 µF, 0603, Ceramic Capacitor, ±20%, 6.3VGRM187R61A226ME15Murata
C247µF, 0805, Ceramic Capacitor, ±20%, 6.3VGRM219R60J476ME44Murata
(1) See the Section 9.1.1.
(2) For other output voltages, refer to for resistor values.