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TPS63000DRCR

TI buck-boost converter, 1.8-5.5V in, 1.2-5.5V out, 1.8A, 96% eff, VSON-10

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Manufacturer Part：

TPS63000DRCR

Package：

VSON-10 (DRC), 3.0 x 3.0 mm with PowerPAD

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Description

Product Overview

The TPS63000DRCR is a high-efficiency single-inductor buck-boost converter from Texas Instruments. With 1.8A switch current, 1.8V to 5.5V input range, and adjustable output from 1.2V to 5.5V, this converter provides up to 96% efficiency in a compact 3 x 3 mm VSON-10 package. It automatically transitions between step-down and boost modes, making it ideal for battery-powered applications.

Key Specifications

Series TPS63000
Topology Buck-Boost (Single Inductor)
Input Voltage Range 1.8V to 5.5V
Output Voltage Range 1.2V to 5.5V (adjustable)
Switch Current Limit 1.8A (typical)
Output Current (Buck, 3.3V) 1200 mA at VIN = 3.6-5.5V
Output Current (Boost, 3.3V) 800 mA at VIN > 2.4V
Efficiency Up to 96%
Quiescent Current less than 50 uA
Switching Frequency 2.4 MHz (typical)
Package VSON-10 (DRC), 3.0 x 3.0 mm
Operating Temperature -40C to +85C
Power-Save Mode Yes (can be disabled)
Load Disconnect Yes (during shutdown)

Features

  • Single-inductor topology reduces BOM cost and footprint
  • Automatic buck/boost mode transition for seamless regulation
  • Up to 96% efficiency across load range
  • Power-save mode for high light-load efficiency
  • Forced PWM mode option for noise-sensitive applications
  • Load disconnect during shutdown minimizes battery drain
  • Over-temperature and short-circuit protection
  • Compact 3 x 3 mm VSON-10 package with PowerPAD

Applications

  • Single-cell Li-ion/Li-Po battery-powered devices
  • Portable audio players and smartphones
  • USB power bank output regulation
  • White LED drivers
  • Personal medical devices

The Texas Instruments TPS63000DRCR is a high-efficiency single-inductor buck-boost converter with 1.8A switch current rating. Operating from a 1.8V to 5.5V input, it produces an adjustable output from 1.2V to 5.5V, automatically transitioning between buck and boost modes as the input voltage varies relative to the output. This makes it ideal for single-cell Li-ion battery applications where the battery voltage (2.5-4.2V) can be above or below the desired output. With up to 96% efficiency, less than 50 uA quiescent current, and a compact 3 x 3 mm VSON-10 package, the TPS63000DRCR is optimized for space-constrained portable applications.

The TPS63000DRCR uses a single-inductor, 4-switch buck-boost topology with synchronous rectification. In buck mode (VIN > VOUT), high-side switch S1 and low-side synchronous switch S2 operate as a standard buck converter while boost switches remain in pass-through. In boost mode (VIN < VOUT), S3 and S4 operate as a boost converter while S1/S2 remain on. In buck-boost mode (VIN approximately equals VOUT), all four switches operate to maintain regulation. The device uses fixed-frequency PWM control at 2.4 MHz, and at light loads enters power-save mode (PFM) to maintain high efficiency. The PS/SYNC pin can force continuous PWM operation for noise-sensitive applications. During shutdown (EN = LOW), the load is completely disconnected from the input.

Pin Name Type Function
1 VOUT Output Converter output voltage
2 L2 Input Inductor connection (boost side)
3 PGND Ground Power ground
4 L1 Input Inductor connection (buck side)
5 VIN Power Input supply for power stage
6 EN Input Enable (1 = on, 0 = shutdown)
7 PS/SYNC Input Power-save disable / sync clock input
8 VINA Power Input supply for control stage
9 GND Ground Control ground
10 FB Input Voltage feedback (connect resistor divider to VOUT)
Pad PowerPAD Ground Thermal pad, connect to PGND
  • 3.3V rail from single-cell Li-ion (2.5-4.2V) in portable devices
  • USB power bank 5V output from 3.7V Li-ion
  • White LED driver with constant current buck-boost regulation
  • Portable medical device 3.3V supply from 2-cell AA batteries
  • Wearable device power management with variable battery voltage
Manufacturer Part Number Package Notes
TI TPS63001DRCR VSON-10 3.3V fixed output variant
TI TPS63020DRCR VSON-10 Higher current (4A) buck-boost
Monolithic Power MP3414 QFN-12 Comparable 2A buck-boost
Richtek RT6156B-33GQW WDFN-10 3.3V buck-boost alternative
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