LM5156HQPWPRQ1 - Texas Instruments

Manufacturer Part Number

LM5156HQPWPRQ1

Manufacturer

Texas Instruments

Introduction

LM5156HQPWPRQ1 is a versatile Power Management Integrated Circuit (PMIC) designed for DC-DC switching control in automotive and industrial applications.

Product Features and Performance

Configurable as step-up, step-down, SEPIC

Supports boost and flyback topologies

Single output with a transistor driver

Can operate from a supply voltage ranging from 2.97V to 60V

Switching frequency adjustable between 100kHz and 2.2MHz

Maximum duty cycle of 93%

Lacks synchronous rectification and clock synchronization

Features current limiting, enable pin, frequency control, power good signal, and soft start

Product Advantages

High flexibility in topology selection for different requirements

Wide input voltage range accommodating various power sources

High-frequency operation for smaller external components

Extended temperature range suitable for harsh environments

Automotive-grade quality with AEC-Q100 qualification

Key Technical Parameters

Number of Outputs: 1

Output Phases: 1

Duty Cycle (Max): 93%

Voltage - Supply (Vcc/Vdd): 2.97V ~ 60V

Frequency - Switching: 100kHz ~ 2.2MHz

Operating Temperature: -40°C ~ 125°C

Quality and Safety Features

AEC-Q100 qualified for automotive applications

Built-in thermal shutdown and short-circuit protection

Overvoltage and undervoltage lockouts for system safety

Compatibility

Packaging compatible with automated surface-mount processes

14-PowerTSSOP footprint suitable for compact PCB designs

Application Areas

Automotive systems

Industrial power supplies

Battery-powered equipment

Portable devices

Product Lifecycle

Active product status with ongoing manufacturing and support

Not nearing discontinuation with long-term availability expected

Several Key Reasons to Choose This Product

Versatile for multiple topologies allowing design optimization

High switching frequency enabling compact passive components

Wide input voltage range accommodating a variety of power sources

Automotive-grade reliability and performance standards

Comprehensive protection features ensuring system robustness

Positive customer feedback and comprehensive support from Texas Instruments