TPS63021

ACTIVE

High Efficiency Single Inductor Buck-Boost Converter with 4A Switch

Product details

Topology Buck-Boost Vin (Min) (V) 1.8 Vin (Max) (V) 5.5 Vout (Max) (V) 3.3 Vout (Min) (V) 3.3 Duty cycle (Max) (%) 100 Features Enable, Frequency Synchronization, Light Load Efficiency, Load Disconnect, Power Good, Synchronous Rectification, UVLO Fixed Switch current limit (Typ) (A) 4 Switching frequency (Min) (kHz) 2200 Switching frequency (Max) (kHz) 2600 Iq (Typ) (mA) 0.025 Iout (Max) (A) 2 Rating Catalog Operating temperature range (C) -40 to 125
Topology Buck-Boost Vin (Min) (V) 1.8 Vin (Max) (V) 5.5 Vout (Max) (V) 3.3 Vout (Min) (V) 3.3 Duty cycle (Max) (%) 100 Features Enable, Frequency Synchronization, Light Load Efficiency, Load Disconnect, Power Good, Synchronous Rectification, UVLO Fixed Switch current limit (Typ) (A) 4 Switching frequency (Min) (kHz) 2200 Switching frequency (Max) (kHz) 2600 Iq (Typ) (mA) 0.025 Iout (Max) (A) 2 Rating Catalog Operating temperature range (C) -40 to 125
VSON (DSJ) 14 12 mm² 3 x 4
  • Input voltage range: 1.8 V to 5.5 V
  • Adjustable output voltage: 1.2 V to 5.5 V
  • Output current for VIN > 2.5 V, VOUT = 3.3 V: 2 A
  • High efficiency over the entire load range
    • Operating quiescent current: 25 µA
    • Power save mode with mode selection
  • Average current mode buck-boost architecture
    • Automatic transition between modes
    • Fixed frequency operation at 2.4 MHz
    • Synchronization possible
  • Power good output
  • Safety and robust operation features
    • Overtemperature, overvoltage protection
    • Load disconnect during shutdown
  • Create a custom design using the
  • Input voltage range: 1.8 V to 5.5 V
  • Adjustable output voltage: 1.2 V to 5.5 V
  • Output current for VIN > 2.5 V, VOUT = 3.3 V: 2 A
  • High efficiency over the entire load range
    • Operating quiescent current: 25 µA
    • Power save mode with mode selection
  • Average current mode buck-boost architecture
    • Automatic transition between modes
    • Fixed frequency operation at 2.4 MHz
    • Synchronization possible
  • Power good output
  • Safety and robust operation features
    • Overtemperature, overvoltage protection
    • Load disconnect during shutdown
  • Create a custom design using the

The TPS6302x devices provide a power supply solution for products powered by either a two-cell or three-cell alkaline, NiCd or NiMH battery, a one-cell Li-ion or Li-polymer battery, supercapacitors or other supply rails. Output currents up to 3 A are supported. When using batteries, they can be discharged down to below 2 V. The buck-boost converter is based on a fixed frequency, pulse width modulation (PWM) controller using synchronous rectification to obtain maximum efficiency. At low load currents, the converter enters power save mode to maintain high efficiency over a wide load current range. The power save mode can be disabled, forcing the converter to operate at a fixed switching frequency. The maximum average current in the switches is limited to a typical value of 4 A. The output voltage is programmable using an external resistor divider, or is fixed internally on the chip. The converter can be disabled to minimize battery drain. During shutdown, the load is disconnected from the battery.

The TPS6302x devices operate over a free air temperature range of –40°C to 85°C. The devices are packaged in a 14-pin VSON package measuring 3 mm × 4 mm (DSJ).

The TPS6302x devices provide a power supply solution for products powered by either a two-cell or three-cell alkaline, NiCd or NiMH battery, a one-cell Li-ion or Li-polymer battery, supercapacitors or other supply rails. Output currents up to 3 A are supported. When using batteries, they can be discharged down to below 2 V. The buck-boost converter is based on a fixed frequency, pulse width modulation (PWM) controller using synchronous rectification to obtain maximum efficiency. At low load currents, the converter enters power save mode to maintain high efficiency over a wide load current range. The power save mode can be disabled, forcing the converter to operate at a fixed switching frequency. The maximum average current in the switches is limited to a typical value of 4 A. The output voltage is programmable using an external resistor divider, or is fixed internally on the chip. The converter can be disabled to minimize battery drain. During shutdown, the load is disconnected from the battery.

The TPS6302x devices operate over a free air temperature range of –40°C to 85°C. The devices are packaged in a 14-pin VSON package measuring 3 mm × 4 mm (DSJ).

Download

Similar products you might be interested in

open-in-new Compare products
Same functionality with different pin-out to the compared device.
NEW TPS631000 ACTIVE 1.5-A output current, high power density buck-boost converter TPS631000 is a newer version with 8-uA Iq and smaller SOT package

Technical documentation

star = Top documentation for this product selected by TI
No results found. Please clear your search and try again.
View all 9
Type Title Date
* Data sheet TPS6302x High Efficiency Single Inductor Buck-boost Converter with 4-A Switches datasheet (Rev. I) 22 Aug 2019
Application note Layer Design for Reducing Radiated EMI of DC to DC Buck-Boost Converters (Rev. A) 09 Jun 2021
Application note Performing Accurate PFM Mode Efficiency Measurements (Rev. A) 11 Dec 2018
Application note Understanding Undervoltage Lockout in Power Devices (Rev. A) 19 Sep 2018
Application note QFN and SON PCB Attachment (Rev. B) 24 Aug 2018
Application note Basic Calculations of a 4 Switch Buck-Boost Power Stage (Rev. B) 09 Jul 2018
Application note Choosing an Appropriate Pull-up/Pull-down Resistor for Open Drain Outputs 19 Sep 2011
Analog design journal IQ: What it is, what it isn’t, and how to use it 17 Jun 2011
Application note Minimizing Ringing at the Switch Node of a Boost Converter 15 Sep 2006

Design & development

For additional terms or required resources, click any title below to view the detail page where available.

Simulation model

TPS63021 Unencrypted PSpice Transient Model Package (Rev. A)

SLIM141A.ZIP (77 KB) - PSpice Model
Simulation model

TPS63021 TINA-TI Transient Spice Model

SLIM273.ZIP (49 KB) - TINA-TI Spice Model
Simulation model

TPS63021 TINA-TI Transient Reference Design

SLIM274.TSC (670 KB) - TINA-TI Reference Design
Simulation tool

PSPICE-FOR-TI — PSpice® for TI design and simulation tool

PSpice® for TI is a design and simulation environment that helps evaluate functionality of analog circuits. This full-featured, design and simulation suite uses an analog analysis engine from Cadence®. Available at no cost, PSpice for TI includes one of the largest model libraries in the (...)
Calculation tool

Battery Lifetime Estimator (Rev. A)

SLVC808A.ZIP (1889 KB)
Package Pins Download
VSON (DSJ) 14 View options

Ordering & quality

Information included:
  • RoHS
  • REACH
  • Device marking
  • Lead finish/Ball material
  • MSL rating/Peak reflow
  • MTBF/FIT estimates
  • Material content
  • Qualification summary
  • Ongoing reliability monitoring

Recommended products may have parameters, evaluation modules or reference designs related to this TI product.

Support & training

TI E2E™ forums with technical support from TI engineers

Content is provided "as is" by TI and community contributors and does not constitute TI specifications. See terms of use.

If you have questions about quality, packaging or ordering TI products, see TI support. ​​​​​​​​​​​​​​

Videos