TPS2051ADR - Texas Instruments

Manufacturer Part Number

TPS2051ADR

Manufacturer

Texas Instruments

Introduction

The TPS2051ADR is a power distribution switch from Texas Instruments, designed for power management tasks, specifically in distributing power within systems. Ideal for applications requiring single-channel power distribution with current limiting and over-temperature protection.

Product Features and Performance

Single-channel power distribution switch

Supports 2.7V to 5.5V load voltages

Maximum output current of 500mA

Rds On (Typ) of 80mOhm for efficient power transfer

Non-inverting input type

Integrated features include current limiting (fixed), over-temperature protection, and under-voltage lockout (UVLO)

Operating temperature range from 0°C to 85°C

Product Advantages

Efficient power transfer with low on-resistance

Provides reliable over-current protection to prevent damage to devices

Compact 8-SOIC packaging suitable for space-constrained applications

Does not require an external supply voltage for operation

Key Technical Parameters

Output configuration: High Side

Output type: N-Channel

Interface: On/Off

Voltage Load: 2.7V ~ 5.5V

Current Output (Max): 500mA

Rds On (Typ): 80mOhm

Operating Temperature: 0°C ~ 85°C

Fault protection: Current limiting, over temperature, UVLO

Quality and Safety Features

Integrated current limiting and over-temperature protection enhance device safety

Under-voltage lockout (UVLO) functionality for additional protection

Compatibility

Compatible with a wide range of load voltages (2.7V to 5.5V), enabling use in various applications

Application Areas

USB hubs and peripherals

Portable electronics

Battery-powered devices

Power management circuits

Product Lifecycle

This device is currently active, indicating ongoing manufacturer support with no immediate plans for discontinuation. Future replacements or upgrades may be offered as technology evolves.

Several Key Reasons to Choose This Product

Texas Instruments’ reputation for high-quality and reliable components

Low on-resistance (80mOhm) allows for efficient power distribution

Integrated safety features protect against over-current and temperature extremes

Versatility in application due to compatibility with a wide range of voltages

Compact and surface-mountable design suitable for a variety of layouts and space restrictions