SLVS873F June   2015  – September 2021 TPS61098 , TPS610981 , TPS610982 , TPS610985 , TPS610986 , TPS610987

PRODUCTION DATA  

  1. 1 Features
  2. 2 Applications
  3. 3 Description
  4. 4 Revision History
  5. 5 Device Comparison Table
  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
    6. 7.6 Typical Characteristics
  8. 8 Detailed Description
    1. 8.1 Overview
    2. 8.2 Functional Block Diagrams
    3. 8.3 Feature Description
      1. 8.3.1 Boost Controller Operation
      2. 8.3.2 Pass-Through Operation
      3. 8.3.3 LDO / Load Switch Operation
      4. 8.3.4 Start Up and Power Down
      5. 8.3.5 Over Load Protection
      6. 8.3.6 Thermal Shutdown
    4. 8.4 Device Functional Modes
      1. 8.4.1 Operation Modes by MODE Pin
        1. 8.4.1.1 Active Mode
        2. 8.4.1.2 Low Power Mode
      2. 8.4.2 Burst Mode Operation under Light Load Condition
      3. 8.4.3 Pass-Through Mode Operation
  9. 9 Applications and Implementation
    1. 9.1 Application Information
    2. 9.2 Typical Applications
      1. 9.2.1 VMAIN to Power MCU and VSUB to Power Subsystem
        1. 9.2.1.1 Design Requirements
        2. 9.2.1.2 Detailed Design Procedure
          1. 9.2.1.2.1 Device Choice
          2. 9.2.1.2.2 Maximum Output Current
          3. 9.2.1.2.3 Inductor Selection
          4. 9.2.1.2.4 Capacitor Selection
          5. 9.2.1.2.5 Control Sequence
        3. 9.2.1.3 Application Curves
      2. 9.2.2 VMAIN to Power the System in Low Power Mode
        1. 9.2.2.1 Design Requirements
        2. 9.2.2.2 Detailed Design Procedure
        3. 9.2.2.3 Application Curves
      3. 9.2.3 VSUB to Power the System in Active Mode
        1. 9.2.3.1 Design Requirements
        2. 9.2.3.2 Detailed Design Procedure
        3. 9.2.3.3 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 Third-Party Products Disclaimer
    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

9.2.1.3 Application Curves

GUID-79A4F156-367A-47A1-A085-FA1D48C7A158-low.png
TPS610981I(MAIN) = 1 mAI(SUB) = 0 mA
MODE = LVIN = 1.5 V
Figure 9-3 Switching Waveforms
GUID-5502E046-0E1D-4B24-948D-061946299D74-low.png
TPS610981I(MAIN) = 100 mAI(SUB) = 0 mA
MODE = LVIN = 1.5 V
Figure 9-5 Switching Waveforms
GUID-14A7B8D0-B69B-49D1-B3D8-EE5ECA8EA9A5-low.png
TPS610981I(MAIN) = 0 mAI(SUB) = 10 mA
MODE = HVIN = 1.5 V
Figure 9-7 Switching Waveforms
GUID-F1F1EB38-F218-4F1D-9A7F-3369B44E0DC5-low.png
TPS610986I(MAIN) = 0 mAI(SUB) = 1 mA
MODE = HVIN = 1.5V
Figure 9-9 Switching Waveforms
GUID-8A1853DE-9EF9-430F-9AEC-F1F43A6A38DE-low.png
TPS610986I(MAIN) = 0 mAI(SUB) = 100 mA
MODE = HVIN = 1.5V
Figure 9-11 Switching Waveforms
GUID-EEAE1ECF-E90A-45BB-8AF9-0469A7B07BAB-low.png
TPS610981VIN = 2.5 VI(SUB) = 0 mA
MODE = HI(MAIN) = 0 mA to 50 mA, 5 µs rising/falling edge
Figure 9-13 Load Transient Response
GUID-86E4587C-0431-45BC-AEC5-DDD23F47059E-low.png
TPS610981I(MAIN) = 20 mAI(SUB) = 0 mA
MODE = LVIN = 2 V to 2.5 V, 10 µs rising/falling edge
Figure 9-15 Line Transient Response
GUID-8447E57C-7D39-482B-8803-CC029ED3102C-low.png
TPS610981I(MAIN) = 0 mAI(SUB) = 20 mA
MODE = HVIN = 2 V to 2.5 V, 10 µs rising/falling edge
Figure 9-17 Line Transient Response
GUID-94986542-C44A-4AF4-8774-80081FF00D0E-low.png
TPS610981VIN = 1.5 VI(MAIN) = 0 mA
MODE = HI(SUB) = 0 mA to 120 mA to 0 mA, ramp up and down
Figure 9-19 Load Regulation
GUID-9CD2DC22-D160-4E53-89B6-B18F3E74F2B4-low.png
TPS610981R(MAIN) = 1 kΩR(SUB) = open load
MODE pin toggling
Figure 9-21 Mode Toggling
GUID-BE240B4E-06A1-4379-9205-8366CE132099-low.png
TPS610981R(MAIN) = 1 kΩR(SUB) = 1 kΩ
VIN = 1.5 VMODE connected to VMAIN
Figure 9-23 Startup
GUID-3A67DDBF-4337-4D48-A0AF-506FD57B983E-low.png
TPS610981I(MAIN) = 10 mAI(SUB) = 0 mA
MODE = LVIN = 1.5 V
Figure 9-4 Switching Waveforms
GUID-4D1572A7-0218-4A1B-978C-88C8ED3230D7-low.png
TPS610981I(MAIN) = 0 mAI(SUB) = 1 mA
MODE = HVIN = 1.5 V
Figure 9-6 Switching Waveforms
GUID-9C1C1AA5-DBAF-4B3D-B903-CF61219C3A15-low.png
TPS610981I(MAIN) = 0 mAI(SUB) = 100 mA
MODE = HVIN = 1.5V
Figure 9-8 Switching Waveforms
GUID-35891323-44DB-4B2B-AE6B-3412B383E351-low.png
TPS610986I(MAIN) = 0 mAI(SUB) = 10 mA
MODE = HVIN = 1.5V
Figure 9-10 Switching Waveforms
GUID-E6D01CC9-5A1D-47F4-9F82-BF6078272C5E-low.png
TPS610981VIN = 2.5 VI(SUB) = 0 mA
MODE = LI(MAIN) = 0 mA to 50 mA, 5 µs rising/falling edge
Figure 9-12 Load Transient Response
GUID-9D1976E6-1F60-40E3-A171-38A65258F730-low.png
TPS610981VIN = 2.5 VI(MAIN) = 0 mA
MODE = HI(SUB) = 0 mA to 50 mA, 5 µs rising/falling edge
Figure 9-14 LDO Load Transient Response
GUID-61F720C3-259E-4289-A9A2-5AB2C0C92A22-low.png
TPS610981I(MAIN) = 20 mAI(SUB) = 0 mA
MODE = HVIN = 2 V to 2.5 V, 10 µs rising/falling edge
Figure 9-16 Line Transient Response
GUID-D3D9B999-4591-423C-92D5-031896147061-low.png
TPS610981VIN = 1.5 VI(SUB) = 0 mA
MODE = LI(MAIN) = 0 mA to 120 mA to 0 mA, ramp up and down
Figure 9-18 Load Regulation
GUID-D1A6A399-36D2-4C9E-B503-43C8F0B6EEEB-low.png
TPS610981 I(MAIN) = 0 mA I(SUB) = 30 mA
MODE = H VIN = 0.7 V to 4.5 V, ramp up and down
Figure 9-20 Line Regulation
GUID-7013902D-0DE7-42AE-9A4E-DA03F3EE8C39-low.png
TPS610981R(MAIN) = 3 kΩVIN = 0.7 V
MODE connected to GND
Figure 9-22 Startup
GUID-3667B6EC-57D3-486D-9C59-A31E854CA969-low.png
TPS610986 R(MAIN) = 1 kΩ R(SUB) = 1 kΩ
VIN = 1.5 V C(SUB) = 1 µF
MODE connected to VMAIN
Figure 9-24 Startup