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Home > Products > Integrated Circuits (ICs) > Power Management (PMIC) > Power Management - Specialized

STMicroelectronics L9369-TR

Name: L9369-TR
Brand: STMicroelectronics
SKU: L9369-TR
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Part No.:: L9369-TR

Manufacturer:: STMicroelectronics

Category:: Power Management - Specialized

Package:: 64-LQFP

Datasheet:: L9369-TR.pdf

Description:: ELECTRONIC DUAL H-BRIDGE PRE-DRI

Quantity:: RFQ Add To RFQ list

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Inventory:8,990

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Product details

Overview

L9369-TR from STMicroelectronics is an automotive-grade interface and control IC designed for engine management, transmission systems, and automotive actuator control applications. The device integrates multiple low-side and high-side drivers, sensor interfaces, diagnostic functions, and communication support, making it suitable for automotive electronic control units (ECUs), solenoid control, relay driving, and intelligent vehicle subsystem management.

As a highly integrated automotive interface solution, L9369-TR helps simplify ECU hardware design while improving reliability, diagnostics, and system integration efficiency. For engineers reviewing the L9369-TR datasheet, L9369-TR pinout, L9369-TR application, or L9369-TR equivalent, this device is widely used in automotive powertrain and body electronics platforms.

Technical Context

In automotive electronic architectures, L9369-TR typically operates as an interface and actuator-control device between a microcontroller and vehicle electromechanical loads such as relays, solenoids, valves, and sensors. The IC receives digital control signals from the ECU processor and manages high-current automotive loads while providing integrated fault diagnostics and protection monitoring.

The device integrates automotive-qualified driver channels and protection circuitry designed to withstand harsh electrical conditions including load dump, short-circuit events, transient voltages, and thermal stress. Diagnostic feedback functions support fault detection and system-level safety monitoring within vehicle electronics.

L9369-TR is commonly used in engine control modules, transmission control systems, fuel injection management, body control electronics, and automotive actuator-control platforms requiring robust integrated automotive driver functionality.

Key Specifications

Parameter	Value and Actual Design Meaning
Automotive Interface Architecture	Integrated automotive actuator and interface control architecture supporting ECU subsystem management applications.
Integrated Driver Channels	Multiple driver outputs support relays, solenoids, valves, and automotive actuator control functions.
Diagnostic Functions	Integrated fault-detection capability supports ECU safety monitoring and automotive diagnostics.
Protection Features	Built-in thermal shutdown, overcurrent protection, and transient suppression improve automotive reliability.
Automotive Voltage Support	Designed for automotive battery-powered electrical systems and harsh vehicle operating environments.
Communication Compatibility	Supports microcontroller-controlled automotive electronic subsystem integration.
Package Type	Automotive-qualified package supports robust ECU PCB integration and thermal management.

Pinout & Package

The L9369-TR pinout is optimized for automotive ECU PCB layouts and includes driver outputs, logic-control interfaces, supply rails, diagnostic feedback pins, ground connections, and actuator-control channels.

For PCB design, automotive power traces should support high-current actuator loads while maintaining low impedance and thermal stability. Ground planes and transient suppression components should be optimized to improve EMC performance and electrical robustness under automotive operating conditions.

Pin / Function	PCB Design and Circuit Role
Driver Outputs	High-current output channels used for relay, solenoid, and automotive actuator control.
Logic Inputs	Control interface signals connected to the ECU microcontroller for driver activation management.
Diagnostic Outputs	Feedback signals supporting fault monitoring and automotive system diagnostics.
Supply Inputs	Automotive battery and regulated supply connections supporting stable IC operation.
Ground Connections	Low-impedance grounding structure supporting stable high-current automotive operation.
Protection Interfaces	Integrated circuitry supporting transient suppression and fault-protection functionality.

Key Features

Integrated automotive driver architecture simplifies ECU actuator-control implementation.
Multiple driver channels support relays, valves, solenoids, and automotive subsystem control.
Integrated diagnostic feedback improves automotive fault monitoring and ECU safety capability.
Robust protection features improve reliability under harsh automotive electrical conditions.
Automotive-qualified design supports long-term operation in vehicle electronics environments.
Compact integrated package reduces ECU PCB complexity and external component count.

Applications

Engine Control Units

Transmission Control Systems

Use Scenario: Used in automotive engine management modules and ECU powertrain systems.

IC Role: L9369-TR controls automotive actuators, relays, and engine subsystem interfaces.

Use Value: Helps improve automotive control integration and ECU reliability.

Use Scenario: Used in automatic transmission electronics and gearbox actuator-control platforms.

IC Role: Drives solenoids and transmission-control actuators within automotive systems.

Use Value: Supports stable actuator management and automotive diagnostic monitoring.

Body Electronics Systems

Automotive Actuator Platforms

Use Scenario: Used in automotive body controllers, comfort electronics, and smart vehicle systems.

IC Role: Provides actuator-driving and subsystem interface functionality for vehicle electronics.

Use Value: Helps simplify ECU integration and automotive subsystem management.

Use Scenario: Used in fuel systems, automotive valves, relays, and embedded electromechanical control modules.

IC Role: Performs high-current actuator-driving and diagnostic monitoring functions.

Use Value: Supports robust automotive load control with integrated protection capability.

Equivalent & Alternatives

When evaluating an L9369-TR equivalent, engineers should compare actuator-driver capability, diagnostic integration, automotive qualification level, protection functions, and ECU interface compatibility.

Alternative Part	Technical Difference	Application Difference	Selection Advice
MC33810	NXP MC33810 provides automotive injector and actuator-control functionality with different driver architecture and diagnostics.	Widely used in automotive powertrain and engine management systems.	Choose L9369-TR for STMicroelectronics automotive ECU ecosystems and integrated driver management compatibility.
TLE6240GP	Infineon TLE6240GP offers automotive low-side driver functionality with different channel configuration and protection behavior.	Commonly used in automotive relay and actuator-control systems.	Choose L9369-TR for integrated automotive subsystem control and advanced ECU interface integration.

Compared with MC33810, L9369-TR is optimized for integrated automotive actuator-control and ECU subsystem management applications. L9369-TR vs TLE6240GP selection depends on driver-channel requirements, diagnostics integration, automotive architecture complexity, and system protection goals.

Quality

L9369-TR should be sourced as original STMicroelectronics components through traceable and controlled supply channels. Quality verification procedures may include package inspection, marking validation, solderability testing, moisture sensitivity handling review, and electrical verification according to automotive production requirements.

Because the device operates in harsh automotive electrical environments, ESD-safe handling, automotive-qualified PCB assembly practices, and transient-protection optimization help maintain long-term operational reliability. Traceable sourcing supports automotive manufacturing quality and system safety.

Availability

L9369-TR available at Aetrix Electronics and is suitable for automotive ECU and embedded vehicle-control platforms requiring stable component availability and repeatable production support.

Supply support may include volume procurement planning, scheduled delivery arrangements, traceable sourcing management, and long-term supply support for OEM, automotive electronics manufacturers, industrial transportation systems, and embedded automotive production programs.

For production builds, confirming package type, automotive qualification requirements, lead time, and sourcing continuity helps improve procurement stability and reduce manufacturing interruption risk.

Manufacturer

STMicroelectronics is a semiconductor manufacturer specializing in automotive ICs, power management devices, embedded processors, analog technologies, MEMS sensors, and industrial semiconductor solutions for automotive, industrial, communication, and consumer electronic markets.

For automotive electronics applications, STMicroelectronics provides automotive-qualified driver ICs, powertrain control technologies, ECU interface solutions, and intelligent actuator-control devices widely adopted across vehicle electronics systems.

FAQ

What is L9369-TR used for?

L9369-TR is used for automotive ECU actuator control, engine management systems, transmission electronics, relay driving, and embedded vehicle subsystem management.

Where can I find the L9369-TR datasheet download?

The L9369-TR datasheet download is available from STMicroelectronics. The datasheet includes electrical specifications, actuator-driver architecture details, diagnostic features, protection functions, and automotive application guidance.

What should be considered in L9369-TR pinout design?

L9369-TR pinout design should prioritize high-current automotive trace routing, stable grounding, transient suppression implementation, thermal management optimization, and EMC-focused PCB layout practices.

Does L9369-TR support integrated automotive diagnostics?

Yes. L9369-TR integrates automotive diagnostic and protection functions supporting ECU fault monitoring and reliable vehicle subsystem management.

What are common L9369-TR equivalent solutions?

Common L9369-TR equivalent alternatives include MC33810 and TLE6240GP depending on actuator-driver requirements, automotive ECU architecture, diagnostic integration level, and protection functionality.

L9369-TR Specifications

Product attributes: Attribute value

Manufacturer:: STMicroelectronics

Series:: -

Package/Case:: 64-LQFP

Packaging:: Tape & Reel (TR)

Product Status:: Active

Applications:: Automotive

Current - Supply:: -

Voltage - Supply:: 5.5V

Operating Temperature:: -40°C ~ 175°C (TJ)

Grade:: Automotive

Qualification:: AEC-Q100

Mounting Type:: Surface Mount

Supplier Device Package:: 64-LQFP (10x10)

L9369-TR FAQ

1.How can I place an order for L9369-TR through Aetrix?

Please submit a Request for Quotation (RFQ) for L9369-TR on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.

2.Are the price and stock information for L9369-TR reliable?

The price and inventory of L9369-TR are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for L9369-TR is usually 5 days.

3.What payment methods are accepted for L9369-TR?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for L9369-TR transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for L9369-TR?

L9369-TR orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your L9369-TR order is processed, you will receive an email with the shipment details and tracking number.

Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.

5.How can I obtain technical support or documentation for L9369-TR?

For technical support, including L9369-TR datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your L9369-TR requirements.

6.How does Aetrix verify that L9369-TR is sourced from the original manufacturer or authorized distributors?

All L9369-TR products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that L9369-TR meets industry standards.

7.What is the process for return or replacement of L9369-TR?

All L9369-TR units undergo pre-shipment inspection (PSI). If there is an issue with L9369-TR, returns or replacements are accepted under the following conditions:

1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.

2.The issue is reported within 90 days of delivery.

3.The L9369-TR part is unused and in its original packaging.

Return procedure for L9369-TR:

1.Submit a request within 90 days.

2.Obtain a Return Material Authorization (RMA) from Aetrix.

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