Manufacturer Part Number
TPS51285ARUKR
Manufacturer
Texas Instruments
Introduction
TPS51285ARUKR is a versatile Power Management IC (PMIC) designed for step-down conversion and linear regulation.
Product Features and Performance
Dual synchronous buck regulator (Step-Down)
Two integrated linear regulators (LDOs)
Supports D-CAP™ mode for fast transient response
Adjustable switching frequency (400kHz or 475kHz)
Supports high-efficiency power conversion
Provides up to four regulated outputs
Programmable soft-start to mitigate inrush current
Product Advantages
High integration reduces system complexity
D-CAP™ mode enhances load transient response
Low quiescent current for improved battery life
Small form factor and low profile package
Key Technical Parameters
Topology: Synchronous Step-Down (Buck), Linear (LDO)
Number of Outputs: 4
Switching Frequency: 400kHz or 475kHz
Output 1 and 2 types: Controller
Output 3 voltage/current: 3.3V/100mA
Supply Voltage Range: 5V to 24V
Operating Temperature Range: -40°C to 85°C
Mounting Type: Surface Mount
Package/Case: 20-WFQFN Exposed Pad
Device Package: 20-WQFN (3x3)
Quality and Safety Features
Built-in thermal shutdown for over-temperature protection
Overcurrent protection for system reliability
Under-voltage lockout (UVLO) ensures proper operation
Compatibility
Compatible with a wide range of input voltages (5V to 24V)
Surface Mount design for use with common SMD assembly processes
Application Areas
Computing systems
Networking equipment
Storage systems
Graphic cards
Telecommunication infrastructure
Product Lifecycle
Status: Active (not nearing discontinuation)
Available replacements/upgrades should be checked with the manufacturer
Several Key Reasons to Choose This Product
Integrated power solution reduces board space and BOM cost
Proven Texas Instruments quality and reliability
Flexibility with adjustable switching frequency for system optimization
Enhanced power efficiency for eco-friendly design
Support for both high-current and low-current outputs
TPS51285ARUKTTexas Instruments