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TPS63020QDSJRQ1

Auth: Date:2026/3/16 Source:WECHIP Visit:6 Related Key Words: high-efficiency single-inductor comprehensive protection feature-rich space savings

I.Overview of TPS63020QDSJRQ1

The TPS63020QDSJRQ1 is a high-efficiency, single-inductor buck-boost converter from Texas Instruments, specifically designed and qualified for automotive applications . This device provides a regulated output voltage from an input supply that can be either higher or lower than the output, making it ideal for systems powered by multi-cell alkaline, NiCd, NiMH, or single-cell Li-Ion/Li-Polymer batteries . It integrates a fixed-frequency PWM controller with synchronous rectification to maximize efficiency across a wide load range and is housed in a compact 14-pin VSON PowerPAD™ package (3mm x 4mm) .

 

II.TPS63020QDSJRQ1 Parameter

Category:Integrated Circuits (ICs);Power Management (PMIC);Voltage Regulators - DC DC Switching Regulators

Mfr:Texas Instruments

Packaging:Tape & Reel (TR);Cut Tape (CT)

Part Status:Active

Function:Step-Up/Step-Down

Number of Outputs:1

Voltage - Input (Min):1.8V

Voltage - Input (Max):5.5V

Voltage - Output (Min/Fixed):1.2V

Voltage - Output (Max):5.5V

Current - Output:3.5A (Switch)

Frequency - Switching:2.4MHz

Operating Temperature:-40°C ~ 125°C (TJ)

Grade:Automotive

Qualification:AEC-Q100

Mounting Type:Surface Mount

Package / Case:14-VFDFN Exposed Pad

Supplier Device Package:14-VSON (4x3)

Base Product Number:TPS63020

 

III.TPS63020QDSJRQ1 Main Characteristics

Automatic Buck-Boost Transition: Seamlessly switches between step-down and step-up modes without requiring an external signal, ensuring a stable output voltage even when the input voltage fluctuates (e.g., during battery discharge) .

High Output Current Capability: Provides excellent power density, capable of delivering up to 3A at 3.3V in step-down mode (VIN > 3.6V) and more than 2A at 3.3V in boost mode (VIN > 2.5V) . The typical switch current limit is 4A .

Exceptional Efficiency: Achieves up to 96% efficiency by utilizing synchronous rectification and a low quiescent current of less than 50 µA . A Power Save Mode maintains high efficiency at light loads, which can be disabled for forced fixed-frequency operation .

Wide Input and Adjustable Output Range: Operates from an input voltage as low as 1.8V up to 5.5V, and its output is programmable from 1.2V to 5.5V via external resistors, offering great design flexibility .

Comprehensive Protection & Monitoring: Includes over-temperature protection, overvoltage protection, and a "Smart Power Good" output for system monitoring . A dynamic input current limit helps manage power from high-impedance sources like batteries .

Load Disconnect in Shutdown: During shutdown, the internal switch disconnects the load from the input supply, minimizing battery drain and leakage current .

 

IV.TPS63020QDSJRQ1 Application 

Automotive Infotainment and Telematics: Powers processors, displays, and communication modules in infotainment head units, instrument clusters, and eCall systems, where the supply voltage can vary during cranking or load dump conditions .

Battery-Powered Portable Devices: Ideal for products powered by multi-cell alkaline, NiCd, NiMH, or single-cell Li-Ion batteries, such as portable industrial scanners, medical devices, and handheld instruments, as it efficiently utilizes the full battery voltage range .

Advanced Driver Assistance Systems (ADAS): Supplies clean, regulated power for camera modules, radar sensors, and other ADAS components operating from an automotive battery bus .

Industrial and Portable Equipment: Used in industrial sensors, data loggers, and portable test equipment where a stable voltage must be generated from batteries or variable power rails .

Power Banks and Portable Chargers: Efficiently converts single-cell Li-Ion battery voltage (3.0V to 4.2V) to a stable 5V USB output .

 

V.Conclusion

The Texas Instruments TPS63020QDSJRQ1 is a highly efficient, feature-rich, and automotive-qualified buck-boost converter that simplifies power design for systems with fluctuating input voltages. Its ability to deliver high output current, maintain exceptional efficiency across the entire load range, and provide critical protection features in a compact 14-pin VSON package makes it an ideal choice for automotive infotainment, ADAS, battery-powered industrial equipment, and portable electronics where reliability, performance, and space savings are paramount .

 

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