SLVAFB4
July 2022
TPS62902-Q1
,
TPS62903
,
TPS62903-Q1
Abstract
Trademarks
1
Inverting Buck – Boost Topology
1.1
Concept
1.2
Output Current Calculations
1.3
VIN and VOUT Range
2
Digital Pin Configurations
2.1
Enable Pin
2.2
MODE/S-CONF Pin
2.3
Power Good Pin
3
Design Considerations
3.1
Input Capacitor Selection
3.2
Output Inductor Selection
3.3
Stability Limits and Output Capacitor Selection
4
Typical Performance and Waveforms
5
Conclusion
6
References
6
References
Texas Instruments,
Create an Inverting Power Supply From a Step-Down Regulator
application note.
Texas Instruments,
TPS62903, 3-V to 17-V, 3A, High Efficiency and Low IQ Buck Converter in 1.5-mm × 2-mm QFN Package
, data sheet.
Texas Instruments,
TPS62903-Q1 3-V to 18-V, 3-A, Automotive Low IQ Buck Converter with +165°C TJ
data sheet.
Texas Instruments,
TPS62902, 3-V to 17-V, 2A, High Efficiency and Low IQ Buck Converter in 1.5-mm × 2-mm QFN Package
, data sheet.
Texas Instruments,
TPS62901, 3-V to 17-V, 1A, High Efficiency and Low IQ Buck Converter in 1.5-mm × 2-mm QFN Package
, data sheet.
Texas Instruments,
Using the TPS629210-Q1 in an Inverting Buck–Boost Topology
application note.
Texas Instruments,
Using a Buck Converter in an Inverting Buck-Boost Topology
analog design journal.
Texas Instruments,
Using the TPS62175 in an Inverting Buck Boost Topology
application note.
Texas Instruments,
Using the TPS5430 as an Inverting Buck-Boost Converter
application note.
Texas Instruments,
Using the TPS6215x in an Inverting Buck-Boost Topology
application note.
Texas Instruments,
Creating an Inverting Power Supply Using a Synchronous Step-Down Regulator
application note.
Texas Instruments,
Working with Inverting Buck-Boost Converters
application note.
Robert W. Erickson:
Fundamentals of Power Electronics
, Kluwer Academic Publishers, 1997
Texas Instruments,
How to Measure the Control Loop of DCS-Control™ Devices
application note.
Texas Instruments,
Simplifying Stability Checks
application note.
Texas Instruments,
DCS-Control
tm
landing page.