Manufacturer Part Number
TPS63021DSJR
Manufacturer
Texas Instruments
Introduction
The TPS63021DSJR is a high-efficiency, low quiescent current buck-boost converter in a small package, designed for applications where the input voltage is higher or lower than the output.
Product Features and Performance
Buck-Boost topology which allows voltage step-up and step-down functionality
Fixed 3.3V output with a maximum current output of 3.5A
Wide input voltage range from 1.8V to 5.5V
High switching frequency of 2.4MHz enables small external components
Synchronous rectification for improved efficiency
Capable of automatic transition between step-up and step-down modes depending on input voltage
Product Advantages
High efficiency across a wide range of load conditions
Low quiescent current enhances battery life in portable applications
Compact 14-VFDFN package saves board space
Minimal external components required due to high-frequency operation
Key Technical Parameters
Voltage Input (Min): 1.8V
Voltage Input (Max): 5.5V
Voltage Output (Min/Fixed): 3.3V
Current Output: 3.5A (Switch)
Frequency Switching: 2.4MHz
Operating Temperature: -40°C ~ 85°C (TA)
Quality and Safety Features
Built-in over-temperature and over-current protection
UL recognized component ensuring safety standards compliance
Compatibility
Suitable for a wide range of input sources including batteries and regulated power supplies
Application Areas
Portable electronics
Battery-powered devices
Energy harvesting
IoT devices
Product Lifecycle
Active status, not near discontinuation
Future upgrades or replacements will be made available as technology advances
Several Key Reasons to Choose This Product
High-efficiency buck-boost operation minimizes energy loss
Synchronous rectification offers superior power conversion efficiency
The flexible power supply range makes it suitable for multi-platform compatibility
Texas Instruments' reputation for reliability and quality assurance
Compact design and high switch frequency allow for a small overall solution size
TPS63020QDSJRQTexas Instruments