Manufacturer Part Number
LMS3655MQURNLRQ1
Manufacturer
Texas Instruments
Introduction
Texas Instruments LMS3655MQURNLRQ1 is a high-efficiency, automotive-grade, step-down DC-DC switching regulator.
Product Features and Performance
Step-Down Voltage Regulator
Positive Output Configuration
Buck Topology
Adjustable Output Type
Single Output Channel
Minimum Input Voltage: 3.9V
Maximum Input Voltage: 36V
Adjustable Output Voltage Range: 1V to 20V
Output Current Capacity: 5.5A
Switching Frequency of 400kHz
Non-Synchronous Rectification
Operating Temperature Range from -40°C to 150°C
Designed for Automotive Applications
Qualifies Under AEC-Q100 Standards
Product Advantages
Wide Input Voltage Adaptability
High Output Current Provision
Thermal and Overcurrent Protection
Stable Operation at Extreme Temperatures
Reliable Performance in Automotive Contexts
Enables Compact Circuit Design
Key Technical Parameters
Input Voltage Range: 3.9V to 36V
Output Voltage Range: 1V to 20V
Max Output Current: 5.5A
Switching Frequency: 400kHz
Operating Temperature: -40°C to 150°C
Mounting Type: Surface Mount, Wettable Flank
Package / Case: 22-VFQFN
Device Package: 22-VQFN-HR (5x4)
Quality and Safety Features
Built-in Thermal Shutdown
Overcurrent Protection
Automotive Grade Quality
AEC-Q100 Certified
Compatibility
Suited for a broad range of automotive voltage regulation tasks
Compatible with Low Voltage Automotive Systems
Application Areas
Automotive Electronic Control Units (ECUs)
Powertrain Systems
Infotainment Systems
Advanced Driver-Assistance Systems (ADAS)
Body Electronics
Product Lifecycle
Product Status: Active
Not indicated for Discontinuation
Availability of Replacements or Upgrades: Continuous Improvements Expected
Several Key Reasons to Choose This Product
Robust Performance Spanning Automotive Temperature Range
Compliance with Automotive Industry Standards
Flexibility in Input and Adjustable Output Voltages
High Efficiency to Minimize Power Loss
Reliable Operation Under Dynamic Conditions
Simplifies Compliance with Automotive Electromagnetic Compatibility (EMC) Requirements
Texas Instruments' Reputation for Quality and Support in the Industry
Scalability for Use in Multiple Applications and Systems within the Vehicle