• LM74800QDRRRQ1 WFDFN-12
LM74800QDRRRQ1 WFDFN-12

LM74800QDRRRQ1

Adjustable 2 Channel Power Supply Management Circuit PDSO12

Quantity Unit Price(USD) Ext. Price
100 $1.335 $133.50
30 $1.376 $41.28
10 $1.403 $14.03
1 $1.575 $1.58

Inventory:8,948

*The price is for reference only.
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Overview of LM74800QDRRRQ1

The LM74800QDRRRQ1 is a versatile synchronous buck regulator IC designed for automotive applications. It provides high-efficiency DC-DC conversion with integrated power MOSFETs, making it suitable for various automotive systems and power supplies.

Pinout

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

  • VIN: Input voltage
  • PVCC: Power supply input for the internal circuitry
  • SW: Switching node for the internal power MOSFET
  • PGND: Power ground for the internal power MOSFET
  • BOOT: Bootstrap capacitor connection for the high-side MOSFET
  • PGND: Power ground for the control circuitry
  • COMP: Compensation and control loop connection
  • EN: Enable pin for control of the regulator
  • PGOOD: Power good indicator
  • SS/TRK: Soft-start/Tracking input
  • FB: Feedback input for output regulation
  • VOUT: Regulated output voltage

Circuit Diagram

Include a circuit diagram illustrating the connections and operation of the LM74800QDRRRQ1 IC for a visual representation.

Key Features

  • Automotive Grade: The LM74800QDRRRQ1 is designed and qualified for automotive applications, meeting stringent reliability and performance requirements.
  • Wide Input Voltage Range: This regulator can accept input voltages from the vehicle battery range, providing flexibility in automotive power supply designs.
  • Integrated Power MOSFETs: The integrated high-side and low-side power MOSFETs simplify the design and layout of the buck regulator circuit.
  • Programmable Soft-Start: The soft-start functionality allows for controlled startup and minimizes inrush current during power-up.
  • Adjustable Frequency and Synchronization: The switching frequency can be adjusted and synchronized with external clock signals for noise-sensitive applications.
  • Diagnostic and Protection Features: The IC includes various protection features such as overcurrent protection, overvoltage protection, and thermal shutdown for enhanced system robustness.

Note: For detailed technical specifications, please refer to the LM74800QDRRRQ1 datasheet.

Application

  • Automotive Power Systems: Ideal for use in automotive power supply systems, including infotainment systems, ADAS applications, and lighting systems.
  • Electric Vehicle (EV) Power Conversion: Suitable for DC-DC conversion in electric vehicle powertrains and battery management systems.
  • Industrial Power Supplies: Can be used in industrial applications requiring high-efficiency voltage regulation and integrated protection features.

Functionality

The LM74800QDRRRQ1 is a synchronous buck regulator designed for automotive environments, offering high efficiency, integrated features, and reliable performance for various automotive and industrial power supply applications.

Usage Guide

  • Input Power Connection: Connect VIN (Pin 1) to the input voltage source within the specified operating range.
  • Output Voltage Control: Use the feedback (FB) pin to regulate the output voltage according to the application requirements.
  • Enable Control: The enable (EN) pin allows for control of the regulator's on/off operation.

Frequently Asked Questions

Q: What is the input voltage range supported by the LM74800QDRRRQ1?
A: The LM74800QDRRRQ1 can accept input voltages within the automotive battery range, typically from 4V to 40V.

Q: Does the LM74800QDRRRQ1 include overcurrent protection?
A: Yes, this IC is equipped with overcurrent protection to safeguard the regulator and the load from excessive currents.

Equivalent

For similar functionalities, consider these alternatives to the LM74800QDRRRQ1:

  • LM53600-Q1: An automotive-grade synchronous buck converter with integrated MOSFETs and advanced protection features, suitable for automotive power supply designs.
  • TPS57114-Q1: This regulator from Texas Instruments offers automotive-grade performance with integrated MOSFETs and configurable frequency synchronization for power supply applications in automotive systems.

LM74800QDRRRQ1

Specifications

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

Vin (min) (V) 3 Vin (max) (V) 65
Number of channels 2 Features Automotive load dump compatibility, Inrush current control, Linear control, Overvoltage protection, Reverse current blocking, Reverse polarity protection
Iq (typ) (mA) 0.412 Iq (max) (mA) 0.495
FET External back-to-back FET IGate source (typ) (µA) 20000
IGate sink (typ) (mA) 2670 IGate pulsed (typ) (A) 2.6
Operating temperature range (°C) -40 to 125 VSense reverse (typ) (mV) -4.5
Design support EVM, Simulation Model Rating Automotive
Imax (A) 300 VGS (max) (V) 15
Shutdown current (ISD) (mA) (A) 0.003 Device type Ideal diode controller
Product type Ideal diode controller

Warranty & Returns

Warranty, Returns, and Additional Information

  • QA & Return Policy ?

    Parts Quality Guarantee: 365 days

    Returns for refund: within 90 days

    Returns for Exchange: within 90 days

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    Shipping:For example, FedEx, JP, UPS, DHL,SAGAWA, or YTC.

    Parts Packaging Guarantee: Featuring 100% ESD anti-static protection, our packaging incorporates high toughness and superior buffering capabilities.

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LM74800QDRRRQ1

Adjustable 2 Channel Power Supply Management Circuit PDSO12

Inventory:

8,948
Overview of LM74800QDRRRQ1 Specifications Warranty & Returns Similar Products Popular Products

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We provide an extended quality assurance period of 365 days for all components we offer. If a return or exchange becomes essential, kindly adhere to these guidelines:

·Initiate the request within 90 days after the item's shipment date.

·Coordinate the return or exchange with our team.

·Keep the items in their original condition as delivered.

·Please be aware that the feasibility of returning or exchanging items is contingent upon an evaluation of their actual state upon return.

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The items we ship will be packaged in anti-static bags, ensuring ESD anti-static protection, while the outer packaging boasts exceptional durability and sealing. We offer packaging options like Tape and Reel, Cut Tape, Tube, or Tray to suit your needs.

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