# TPS63020DSJT (Component)
## Description
Buck-Boost Switching Regulator IC Positive Adjustable 1.2V 1 Output 3.5A (Switch) 14-VFDFN Exposed Pad
The TPS63020DSJT is a high-efficiency synchronous buck-boost DC-to-DC converter manufactured by Texas Instruments. This integrated power management device is designed to provide a stable regulated output voltage from input power sources that may vary above or below the desired output level. The converter automatically transitions between buck and boost operating modes to maintain efficient and continuous voltage regulation across a wide input range.
The device integrates low-resistance power MOSFETs, advanced control circuitry, and high-efficiency switching architecture to minimize power loss and optimize battery utilization in portable electronic systems. It is widely used in battery-powered applications, embedded systems, wireless communication devices, portable instrumentation, industrial electronics, and USB-powered hardware requiring compact and reliable voltage regulation.
The TPS63020DSJT is optimized for systems powered by single-cell lithium-ion, lithium-polymer, or multi-cell alkaline battery configurations. Its compact package and integrated functionality reduce external component count and simplify PCB layout while delivering high power conversion efficiency and low quiescent current performance.
Engineering Specification
Device Type
Synchronous buck-boost DC-to-DC converter
Power Conversion Topology
Automatic buck and boost regulation architecture
Input Characteristics
Supports input voltages above or below regulated output voltage
Output Characteristics
Stable regulated DC voltage output
Switching Technology
Integrated synchronous MOSFET switching architecture
Efficiency Characteristics
High-efficiency power conversion for battery-powered systems
Control Features
Automatic operating mode transition and load regulation
Power Consumption
Low quiescent current operation for portable electronics
Thermal Characteristics
Integrated thermal management and protection features
Protection Features
Overcurrent protection
Thermal shutdown
Undervoltage lockout
Short-circuit protection
Package Type
WSON surface-mount package
Mounting Style
Surface mount technology
Applications
Portable electronics
Battery-powered systems
Embedded hardware
Wireless communication devices
USB-powered electronics
Industrial control systems
Portable instrumentation
IoT devices
Consumer electronics
Power management systems
Manufacturer
Texas Instruments
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## Component Details
- **Owner:** lcsc
- **Created:** 11/5/2024
- **Last Updated:** 5/28/2026
- **Visibility:** Public
- **Datasheet URL:** https://www.ti.com/general/docs/suppproductinfo.tsp?distId=10&gotoUrl=https%3A%2F%2Fwww.ti.com%2Flit%2Fgpn%2Ftps63020
- **LCSC Part Number:** C544952
- **Manufacturer Part Number:** TPS63020DSJT
- **Part Type:** DC-DC Converters
- **Manufacturer Name:** TI(德州仪器)
- **Package or Case Code:** VSON-14_L4.0-W3.0-P0.50-BL-EP_TI_DSJ
- **JLCPCB Part Class:** Extended Part
- **Symbol Style:** parametric-v1
- **Used in:** 35 projects
## Distributor Pricing (qty 1)
*Pricing shown for quantity 1. For price breaks and other quantities, open in Flux.*
| Distributor | Unit Price (qty 1) | Stock |
|------------|--------------------|-------|
| [Arrow](https://www.arrow.com/en/products/tps63020dsjt/texas-instruments.html?utm_currency=USD®ion=asia) | N/A | N/A |
| [LCSC](https://www.lcsc.com/product-detail/C544952.html) | $1.3978 | 234 |
| [Mouser](https://www.mouser.com/ProductDetail/Texas-Instruments/TPS63020DSJT?qs=C44r%252BX3hXgJYbV0DTxL5zA%3D%3D) | $4.59 | 5K |
| [TME](https://www.tme.com/us/en-us/katalog/?queryPhrase=TPS63020DSJT) | $5.87 | 250 |
| [Verical](https://www.verical.com/pd/texas-instruments-dc-dc-converter-TPS63020DSJT-316631?utm_currency=USD) | $3.983 | 311 |
- **Part Type:** Integrated Circuits
- **Sub-Type:** Logic
- **Manufacturer:** Texas Instruments
- **MPN:** TPS63020DSJT
- **Mount Type:** Surface Mount
- **Package / Case Code:** 14-WSON
- **Pin Count:** 15
## Pins
| Pin | Name | Type |
|-----|------|------|
| 1 | VINA | |
| 2 | GND | |
| 3 | FB | |
| 4 | VOUT | |
| 5 | VOUT | |
| 6 | L2 | |
| 7 | L2 | |
| 8 | L1 | |
| 9 | L1 | |
| 10 | VIN | |
| 11 | VIN | |
| 12 | EN | |
| 13 | PS/SYNC | |
| 14 | PG | |
| 15 | PGND | |
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*Generated from [https://www.flux.ai/lcsc/tps63020dsjt~718d](https://www.flux.ai/lcsc/tps63020dsjt~718d)*