• LM5150QRUMRQ1 WQFN-16
LM5150QRUMRQ1 WQFN-16

LM5150QRUMRQ1

Switching Controllers Automotive 1.5-V to 42-V VIN, low IQ boost controller with 6.8V, 7.5V, 8.5V, 10.5V output options 16-WQFN -40 to 150

Inventory:9,139

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Overview of LM5150QRUMRQ1

The LM5150QRUMRQ1 is a synchronous buck controller IC that provides efficient power management solutions for automotive applications. It features a wide input voltage range and high efficiency, making it suitable for various power supply designs in automotive systems.

Pinout

(Note: The pin configuration below is a general representation. Refer to the specific datasheet for precise details.)

  • VIN: Input Voltage
  • VCC: Power Supply
  • PGOOD: Power Good Indicator
  • SS/TRK: Soft-Start/Tracking Control
  • EN: Enable Pin
  • FB: Feedback Pin
  • COMP: Compensation Pin
  • PGND: Power Ground
  • BOOT: Bootstrap Pin
  • SW: Switch Node

Circuit Diagram

Include a circuit diagram illustrating the connections and operation of the LM5150QRUMRQ1 IC for a visual representation.

Key Features

  • Wide Input Voltage Range: Supports a wide input voltage range suitable for automotive systems.
  • High Efficiency: Offers high efficiency in power conversion, reducing energy loss in the system.
  • Power Good Indicator: Includes a PGOOD pin for monitoring the power supply status.
  • Soft-Start/Tracking Control: Provides soft-start and tracking functionalities for controlled power-up sequencing.
  • Enable Pin: Features an EN pin for enabling or disabling the IC as needed.

Note: For detailed technical specifications, please refer to the LM5150QRUMRQ1 datasheet.

Application

  • Automotive Power Systems: Ideal for power management in automotive systems, including infotainment, lighting, and control modules.
  • LED Driver Circuits: Suitable for driving LED lighting systems in automotive applications.
  • Battery-Powered Devices: Can be used in battery-powered devices requiring efficient power conversion.

Functionality

The LM5150QRUMRQ1 is a synchronous buck controller designed for efficient power management in automotive electronics. It offers a high level of performance and reliability for various automotive power supply requirements.

Usage Guide

  • Input Voltage: Connect VIN (Pin 1) to the input voltage source within the specified range.
  • Power Supply: Connect VCC (Pin 2) to the power supply to operate the IC.
  • Control Signals: Use EN (Pin 5) to enable or disable the IC and adjust the feedback voltage using FB (Pin 6).

Frequently Asked Questions

Q: What is the maximum input voltage supported by the LM5150QRUMRQ1?
A: The LM5150QRUMRQ1 can handle input voltages within the specified range as detailed in the datasheet.

Q: Is the LM5150QRUMRQ1 suitable for automotive start-stop systems?
A: Yes, the LM5150QRUMRQ1 is designed to operate in automotive systems with start-stop functionality, providing stable power management during engine start-up and shut-off cycles.

Equivalent

For similar functionalities, consider these alternatives to the LM5150QRUMRQ1:

  • LM53603-Q1: A similar synchronous buck controller IC designed for automotive applications with specific features.
  • TPS54360-Q1: This IC from Texas Instruments offers comparable performance and functionality to the LM5150QRUMRQ1 for automotive power supply designs.

LM5150QRUMRQ1

Specifications

The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.

Topology Boost Vin (min) (V) 1.5
Vin (max) (V) 42 Vout (min) (V) 6.8
Vout (max) (V) 10.5 Regulated outputs (#) 1
Switching frequency (min) (kHz) 220 Switching frequency (max) (kHz) 2300
Iq (typ) (mA) 0.015 Features Adjustable current limit, Enable, Frequency synchronization, Light Load Efficiency, Nonsynchronous rectification, Spread Spectrum
Duty cycle (max) (%) 87 TI functional safety category Functional Safety-Capable
Rating Automotive Operating temperature range (°C) -40 to 125, -40 to 150
Type Controller

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LM5150QRUMRQ1

Switching Controllers Automotive 1.5-V to 42-V VIN, low IQ boost controller with 6.8V, 7.5V, 8.5V, 10.5V output options 16-WQFN -40 to 150

Inventory:

9,139