TPS51220RHBR - Texas Instruments

Manufacturer Part Number

TPS51220RHBR

Manufacturer

Texas Instruments

Introduction

The TPS51220RHBR is a high-performance power management integrated circuit (PMIC) designed specifically for use in notebook power systems. It comes in a 32-VFQFN exposed pad package, optimized for surface mount technology.

Product Features and Performance

Dual-output synchronous buck controller

D-CAP™ mode for fast transient response

Supports 4.5V to 28V input voltage range

Adjustable output voltage from 1V to 12V

Integrated output discharge for both outputs

Adaptive on-time control architecture

280kHz to 1MHz adjustable switching frequency

Built-in power good and thermal shutdown features

Supports pre-biased startup

Power State Indicator (PSI) for light load efficiency

Product Advantages

High-efficiency power conversion

Excellent transient response with D-CAP™ mode

Flexibility in design with adjustable voltage options

Compact package suitable for space-constrained applications

Integrated safety features enhance system reliability

Key Technical Parameters

Voltage Input: 4.5V ~ 28V

Number of Outputs: 2

Voltage Output: 1V ~ 12V

Operating Temperature: -40°C ~ 85°C

Package / Case: 32-VFQFN Exposed Pad

Mounting Type: Surface Mount

Quality and Safety Features

Over current protection for each output

Thermal overheat protection

Power good indicators for reliable operation

Cycle-by-cycle overcurrent limit

Compatibility

Ideal for use in notebook power systems

Can be used with a variety of external switches

Application Areas

Notebook PCs

Portable electronics requiring efficient power management

Multi-output power supplies

Product Lifecycle

The product status is Active

Regularly updated with newer versions for improved performance

No imminent discontinuation, ensuring long-term availability

Several Key Reasons to Choose This Product

Texas Instruments' reputation for reliability and performance

State-of-the-art D-CAP™ mode ensures fast response to load changes

Wide input voltage range accommodates various power sources

Adjustable output settings provide design flexibility

Compact package saves space in portable applications

Comprehensive protection features guard against system failures