LM3424QMHX/NOPB The Texas Instruments LM3424QMHX/NOPB is an automotive-grade DC/DC controller designed for driving LEDs. It supports various topologies and offers features like PWM and analog dimming.
Mfr Part #:

LM3424QMHX/NOPB

Available from 2 distributors
Mfr Name: Texas Instruments
Texas Instruments
The Texas Instruments LM3424QMHX/NOPB is an automotive-grade DC/DC controller designed for driving LEDs. It supports various topologies and offers features like PWM and analog dimming.
Total Stock: 33,213 pcs
$ Price Range: $1.23

LM3424QMHX/NOPB Available from 2 distributors

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Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Non-Authorised Inventory information
32,873 pcs
32873 pcs On Request 1 On Request On Request On Request On Request On Request
Non-Authorised Inventory information
340 pcs
340 pcs On Request 1 On Request On Request On Request On Request On Request

LM3424QMHX/NOPB Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
AEC Qualified
Automotive Grade
Dimming
Frequency
Input Voltage
Internal Switch(s)
Mounting Type
Number of Outputs
Operating Temperature
Package Quantity
Supplier Device Package
Topology
Type
Voltage

LM3424QMHX/NOPB Description

Short technical summary and product information.

The LM3424-Q1 from Texas Instruments is a versatile, high-voltage N-channel MOSFET controller specifically designed for LED driver applications. It is AEC qualified for automotive use and operates within a wide input voltage range of 4.5 V to 75 V.

 

This controller can be configured in multiple topologies, including buck, boost, buck-boost, and SEPIC, providing flexibility for different design requirements. Key electrical features include a programmable switching frequency up to 2 MHz, PWM and analog dimming capabilities, and a 1-A peak MOSFET gate driver. It also incorporates essential protection features such as input undervoltage and output overvoltage protection, along with cycle-by-cycle current limiting.

 

The LM3424-Q1 includes a thermal foldback feature for effective temperature management of the LEDs, enhancing system reliability. It is housed in a 20-HTSSOP package, suitable for surface mount applications. The operating temperature range is -40°C to 125°C (TJ).

 

This device is ideal for automotive LED lighting systems requiring precise current control and thermal management.

LM3424QMHX/NOPB Quick Information

Product Type: LED Driver Controller
Canonical Name: Texas Instruments LM3424-Q1 Automotive Constant Current N-Channel Controller with Thermal Foldback for Driving LEDs
Subcategory: Power Management

LM3424QMHX/NOPB Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected

LM3424QMHX/NOPB Estimated Pricing

Qty Low High
1+ $1.23 $1.23

Estimated market price range - modelled values for guidance only, not live distributor offers.

LM3424QMHX/NOPB Features

  • AEC qualified for automotive applications.
  • Wide 4.5V to 75V input voltage range.
  • Supports buck, boost, buck-boost, SEPIC topologies.
  • Programmable switching frequency up to 2MHz.
  • Includes thermal foldback for LED temperature management.

LM3424QMHX/NOPB Applications

  • Automotive LED driver controller with thermal foldback.
  • Buck, boost, buck-boost, and SEPIC LED topologies.
  • PWM and analog dimming for LED lighting control.
  • AEC-Q100 qualified for automotive lighting applications.
  • High-voltage LED driver for 4.5V to 75V inputs.

LM3424QMHX/NOPB FAQs

7 frequently asked questions generated from this part’s specifications.
What is the input voltage range of the LM3424QMHX/NOPB?

4.5 V to 75 V.

What is the operating temperature range?

-40°C to 125°C (junction).

What package does the LM3424QMHX/NOPB come in?

20-HTSSOP (PowerTSSOP) surface mount package.

Does it support dimming?

Yes, analog and PWM dimming.

What topologies are supported?

Flyback, SEPIC, buck, and boost.

What is the switching frequency?

2 MHz.

Is it automotive qualified?

Yes, AEC-Q100 qualified with temperature grade 1.

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