LM5170QPHPTQ1 - Texas Instruments

Manufacturer Part Number

LM5170QPHPTQ1

Manufacturer

Texas Instruments

Introduction

Automotive qualified integrated buck-boost controller for efficient DC-DC conversion

Product Features and Performance

Integrated high-performance controller

Buck-Boost topology for step-up/step-down voltage regulation

Supports a wide input voltage range

High-efficiency synchronous rectification

Dual-phase operation for improved load response

Adaptive switching frequency for optimal performance

Thermal shutdown and overcurrent protection

Power Good flag for system monitoring

Soft Start feature to minimize inrush current

Product Advantages

Robust automotive-grade device with AEC-Q100 qualification

Wide input voltage range suited for automotive power systems

Optimized for high-reliability applications

Low quiescent current for energy efficiency

Advanced fault protection for enhanced safety

Key Technical Parameters

Supply Voltage (Vcc/Vdd): 3.5V to 42V

Switching Frequency: 100kHz to 600kHz

Operating Temperature: -40°C to 150°C

Number of Outputs: 1

Output Phases: 2

Mounting Type: Surface Mount

Package / Case: 48-PowerTQFP

Supplier Device Package: 48-HTQFP (7x7)

Quality and Safety Features

Thermal protection with auto-restart

Overcurrent and short-circuit protection

Under-voltage lockout (UVLO)

Automotive qualification to ensure reliability in harsh conditions

Compatibility

Compatible with a broad range of input sources and battery chemistries

Designed for automotive electrical systems

Application Areas

Automotive power systems

Power conditioners and regulators

Battery-powered equipment

Energy-harvesting systems

Industrial and telecommunication infrastructure

Product Lifecycle

Active product status; not indicated as nearing discontinuation

Potential availability of replacements or upgrades due to industry-leading position

Several Key Reasons to Choose This Product

Efficient power conversion for automotive applications

Compliance with rigorous automotive industry standards

Robust design for high-temperature operation

Flexible design for single-output multiple phase systems

Low-power standby mode for energy conservation

Supports complex power supply designs with minimal external components

Provision of technical support and documentation from Texas Instruments