SLVSH51 july   2023 TPS631012 , TPS631013

PRODMIX  

  1.   1
  2. 1 Features
  3. 2 Applications
  4. 3 Description
  5. 4 Revision History
  6. 5 Device Comparison Table
  7. 6 Pin Configuration and Functions
  8. 7 Specifications
    1. 7.1 Absolute Maximum Ratings
    2. 7.2 ESD Rating
    3. 7.3 Recommended Operating Conditions
    4. 7.4 Thermal Information
    5. 7.5 Electrical Characteristics 
    6. 7.6 Timing Requirements
  9. 8 Detailed Description
    1. 8.1 Overview
    2. 8.2 Functional Block Diagram
    3. 8.3 Feature Description
      1. 8.3.1 Undervoltage Lockout (UVLO)
      2. 8.3.2 Enable and Soft Start
      3. 8.3.3 Device Enable (EN)
      4. 8.3.4 Output Voltage Control
      5. 8.3.5 Mode Selection (PFM/FPWM)
      6. 8.3.6 Output Discharge
      7. 8.3.7 Reverse Current Operation
      8. 8.3.8 Protection Features
        1. 8.3.8.1 Input Overvoltage Protection
        2. 8.3.8.2 Output Overvoltage Protection
        3. 8.3.8.3 Short Circuit Protection/Hiccup
        4. 8.3.8.4 Thermal Shutdown
    4. 8.4 Device Functional Modes
    5. 8.5 Programming
      1. 8.5.1 Serial Interface Description
      2. 8.5.2 Standard-, Fast-, and Fast-Mode Plus Protocol
      3. 8.5.3 I2C Update Sequence
    6. 8.6 Register Map
      1. 8.6.1 Register Description
        1. 8.6.1.1 Register Map
        2. 8.6.1.2 Register CONTROL1 (Register address: 0x02; Default: 0x08)
        3. 8.6.1.3 Register VOUT (Register address: 0x03; Default: 0x5C)
        4. 8.6.1.4 Register CONTROL2 (Register address: 0x05; Default: 0x45)
  10. 9 Application and Implementation
    1. 9.1 Application Information
    2. 9.2 Typical Application
      1. 9.2.1 Design Requirements
      2. 9.2.2 Detailed Design Procedure
        1. 9.2.2.1 Inductor Selection
        2. 9.2.2.2 Output Capacitor Selection
        3. 9.2.2.3 Input Capacitor Selection
        4. 9.2.2.4 Setting the Output Voltage
      3. 9.2.3 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 Receiving Notification of Documentation Updates
    3. 10.3 Support Resources
    4. 10.4 Trademarks
    5. 10.5 Electrostatic Discharge Caution
    6. 10.6 Glossary
  12. 11Mechanical, Packaging, and Orderable Information

Package Options

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

9.2.3 Application Curves

GUID-20230712-SS0I-W2H9-TGLK-5W4W9LLFJFSZ-low.svg
VOUT = 3.3 V FPWM
Figure 9-2 Efficiency vs Output Current (FPWM)
GUID-20230712-SS0I-BJV9-X6WK-DM804G02QX6M-low.svg
VOUT = 3.3 V PFM
Figure 9-4 Efficiency vs Input Voltage (PFM)
GUID-56A69FBF-56F4-4FC0-9B00-BAE20ED81E6F-low.svg
VOUT = 3.3 V
Figure 9-6 Typical Output Current Capability vs Input Voltage
GUID-20230718-SS0I-G9RR-LGJW-RJ21Q21QBQVV-low.svg
VIN = 3.4 V, VOUT = 3.3 V IOUT = 1 A, FPWM
Figure 9-8 Switching Waveforms, Buck-Boost Operation with 1-A Load
GUID-E583FFA6-1A8A-42EB-B786-EAFC1D4F4066-low.svg
VIN = 4.3 V, VOUT = 3.3 VIOUT = 1 A, PFM
Figure 9-10 Switching Waveforms, Buck Operation with 1-A Load
GUID-DA4965E0-50EA-4CCB-B962-AF5091A54947-low.svg
VIN = 3.3 V, VOUT = 3.3 VRload = 4 Ω, PFM
Figure 9-12 Start-Up by EN (Measured on TPS631013)
GUID-D1CE9F10-4B39-409F-92A7-F6AEFA2A6E9C-low.svg
VIN = 2.7 V, VOUT = 3.3 VIOUT = 100 mA to 1 A with 20-µs slew rate
Figure 9-14 Load Transient at 2.7-V Input Voltage
GUID-C7EDE9F2-A008-4E28-A8A2-C1B5BAB1E51E-low.svg
VIN = 3.6 V, VOUT = 3.3 VIOUT = 100 mA to 1 A with 20-µs slew rate
Figure 9-16 Load Transient at 3.6-V Input Voltage
GUID-AC5067B6-3302-4EDE-AE72-3A04AB249408-low.svg
VIN = 4.3 V, VOUT = 3.3 VIOUT = 100 mA to 1 A with 20-µs slew rate
Figure 9-18 Load Transient at 4.3-V Input Voltage
GUID-7A91D8AC-3BC8-4EBE-950D-314D374B9FA1-low.svg
VIN = 2.7 V to 4.3 V with 20-µs slew rate, VOUT = 3.3 VIOUT = 1 A
Figure 9-20 Line Transient at 1-A Load Current
GUID-70DA37CE-BF2C-48A7-A8E3-7B447BB49825-low.svg
VIN = 3.6 V, VOUT = 3.3 VIOUT = 1 A, FPWM
Figure 9-22 Output Short Protection (Entry)
GUID-54B370E3-2864-4EF2-86D8-1FC1E525051A-low.svg
VOUT = 3.3 V FPWM
Figure 9-3 Load Regulation (FPWM)
GUID-D5EA8238-9040-4990-9B2F-39B1A0D9BCFA-low.svg
VO = 3.3 V PFM
Figure 9-5 Load Regulation (PFM)
GUID-9B6B5B4B-FACE-4C79-86AC-8E4ADDDF419E-low.svg
VIN = 2.7 V, VOUT = 3.3 VIOUT = 1 A, PFM
Figure 9-7 Switching Waveforms, Boost Operation with 1-A Load
GUID-20230714-SS0I-LW9D-3CQN-3VJMTBHB0WST-low.svg
VIN = 3.6 V, VOUT = 3.3 V IOUT = 1 A, PFM
Figure 9-9 Switching Waveforms, Buck Operation with 1-A Load
GUID-2DDE9349-24A5-4D64-B395-639D6088A4B4-low.svg
VIN = 3.6 V, VOUT = 3.3 VIOUT = 1 mA, PFM
Figure 9-11 Switching Waveforms at 1-mA Load
GUID-C1A9397C-B76A-4C1E-9E49-46BB54089041-low.svg
VIN = 3.3 V, VOUT = 3.3 VRload = 4 Ω, PFM
Figure 9-13 Shutdown by EN
GUID-EF4AFF28-3A8B-4962-B57E-F0ED63A7A941-low.svg
VIN = 2.7 V, VOUT = 3.3 VIOUT = 100 mA to 1-A sweep
Figure 9-15 Load Sweep at 2.7-V Input Voltage
GUID-8B8162AB-98E3-4C27-90AF-05C4F3864DFA-low.svg
VIN = 3.6 V, VOUT = 3.3 VIOUT = 100 mA to 1-A sweep
Figure 9-17 Load Sweep at 3.6-V Input Voltage
GUID-C9E0BF56-1D82-4126-85EB-2B97130ACF29-low.svg
VIN = 4.3 V, VOUT = 3.3 VIOUT = 100 mA to 1-A sweep
Figure 9-19 Load Sweep at 4.3-V Input Voltage
GUID-F5CF3BC2-C837-4765-82F2-45D9712E79C7-low.svg
VIN = 2.7-V to 4.3-V sweep, VOUT = 3.3 VIOUT = 1 A
Figure 9-21 Line Sweep at 1-A Load Current
GUID-6525B03F-1831-472C-9579-85AD7EFEBA7A-low.svg
VIN = 3.6 V, VOUT = 3.3 VIOUT = 1 A, FPWM
Figure 9-23 Output Short Protection (Recover)
Table 9-5 Components for Application Characteristic Curves for VOUT = 3.3 V
REFERENCEDESCRIPTION(2)PART NUMBERMANUFACTURER(1)
U1High Power Density 1.5 A Buck-Boost ConverterTPS631012 or TPS631013Texas Instruments
L11.0 μH, 2.5 mm x 2.0 mm, 4.3 A, 42 mΩDFE252012P-1R0M=P2MuRata
C122 µF, 0603, Ceramic Capacitor, ±20%, 6.3 VGRM187R61A226ME15Murata
C247 µF, 0805, Ceramic Capacitor, ±20%, 6.3 VGRM219R60J476ME44Murata
(2) For other output voltages, refer to for resistor values.