TPS61221DCKR - Texas Instruments

Manufacturer Part Number

TPS61221DCKR

Manufacturer

Texas Instruments

Introduction

The TPS61221DCKR from Texas Instruments is a step-up DC-DC switching regulator for battery-powered and low-power applications.

Product Features and Performance

Step-Up voltage regulator with fixed 3.3V output

Input voltage range of 0.7V to 5.5V, suitable for single-cell batteries

200mA switch current capability

High switching frequency of up to 2MHz allows for small external components

Synchronous rectification for improved efficiency

Thermal overload and short-circuit protection

Product Advantages

High efficiency for extended battery life

Low input voltage operation supports batteries with diminishing charge

Small package size ideal for space-constrained applications

Low quiescent current

Key Technical Parameters

Output Type: Fixed at 3.3V

Number of Outputs: 1

Voltage - Input (Min): 0.7V

Voltage - Input (Max): 5.5V

Current - Output: 200mA (Switch)

Frequency - Switching: Up to 2MHz

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

Quality and Safety Features

Over-temperature protection

Over-current and short-circuit protection

Built with high reliability and performance standards

Compatibility

Compatible with single-cell battery powered devices

Usable in designs that require a small footprint (SC-70-6 package)

Application Areas

Portable electronics

Battery-powered devices

Wireless power supplies

Energy harvesting

IoT devices

Product Lifecycle

Status: Active

Not reported to be nearing discontinuation

Replacements or upgrades may be available through the TPS6122x product family

Several Key Reasons to Choose This Product

Optimized for portable and battery-powered applications, offering long operating times

Versatile input voltage range accommodating broad array of single-cell batteries

High-frequency operation enables the use of small inductors and capacitors, reducing board space

Integration of synchronous rectifier to minimize power loss, improving overall efficiency

Robust protection features ensure reliability and safety in various operating conditions

Texas Instruments' reputation for quality and support in power management solutions