TPS62221DDCRG4 - Texas Instruments

Manufacturer Part Number

TPS62221DDCRG4

Manufacturer

Texas Instruments

Introduction

The TPS62221DDCRG4 is a high-efficiency step-down (buck) converter designed for battery-powered and low-power applications.

Product Features and Performance

Step-down (buck) converter topology

Fixed output voltage of 1.5V

Output current capability of 400mA

High switching frequency of 1.25MHz enabling small inductors

Synchronous rectification for improved efficiency

Designed for battery-powered applications

Input voltage range from 2.5V to 6V

Surface mount SOT-23-5 Thin, TSOT-23-5 package

Operating temperature range from -40°C to 85°C

Product Advantages

High power efficiency due to synchronous rectification

Compact and lightweight design

Low dropout operation ideal for battery-powered devices

Stable performance with ceramic capacitors

Key Technical Parameters

Voltage - Input (Min): 2.5V

Voltage - Input (Max): 6V

Voltage - Output (Min/Fixed): 1.5V

Current - Output: 400mA

Frequency - Switching: 1.25MHz

Synchronous Rectifier: Yes

Operating Temperature: -40°C to 85°C

Mounting Type: Surface Mount

Package / Case: SOT-23-5 Thin, TSOT-23-5

Quality and Safety Features

Built-in thermal shutdown protection

Over-current protection

Under-voltage lockout

Compatibility

Compatible with a wide range of batteries and supercapacitors

Optimized for use with ceramic capacitors

Application Areas

Mobile phones

Wireless peripherals

Portable media players

Handheld devices

IoT devices

Product Lifecycle

Discontinued at Digi-Key

Potential for reduced availability

Consult Texas Instruments for replacement or upgraded part numbers

Several Key Reasons to Choose This Product

Efficient power regulation for extending battery life

Small package size suitable for space-constrained applications

High switching frequency minimizes the size of external components

Robust protection features safeguard against thermal and current overloads

Versatile input voltage range compatible with various power sources

Ideal for portable electronic devices due to low dropout performance