L9395-TR

Product Overview

Category: Integrated Circuit (IC)

Use: L9395-TR is a specialized IC designed for controlling and managing power in automotive applications. It is commonly used in electronic control units (ECUs) and other automotive systems.

Characteristics: - High efficiency power management - Robust design for automotive environments - Compact package for space-constrained applications - Wide operating temperature range - Low power consumption

Package: L9395-TR is available in a compact and durable package, ensuring reliable performance even in harsh automotive conditions.

Essence: The essence of L9395-TR lies in its ability to efficiently regulate and control power in automotive systems, ensuring optimal performance and reliability.

Packaging/Quantity: L9395-TR is typically packaged in reels or tubes, with varying quantities depending on the manufacturer's specifications.

Specifications

• Input Voltage Range: 4.5V to 55V
• Output Voltage Range: 0.8V to 50V
• Maximum Output Current: 5A
• Operating Temperature Range: -40°C to +125°C
• Package Type: PowerSO-20

Detailed Pin Configuration

L9395-TR features a PowerSO-20 package with the following pin configuration:

1. VIN: Input voltage
2. VCC: Supply voltage for internal circuitry
3. GND: Ground reference
4. EN: Enable pin for turning the IC on/off
5. FB: Feedback pin for voltage regulation
6. COMP: Compensation pin for stability control
7. SS: Soft-start pin for gradual power-up
8. PGND: Power ground reference
9. BOOT: Bootstrap pin for high-side driver
10. HO: High-side driver output
11. LO: Low-side driver output
12. VREF: Reference voltage output
13. VSENSE: Current sense input
14. CS: Current sense pin
15. OCSET: Overcurrent protection threshold setting
16. SS/TRI: Synchronization and tri-state control pin
17. SYNC: Synchronization input
18. RT: Oscillator timing resistor
19. CT: Oscillator timing capacitor
20. VCC_EXT: External supply voltage

Functional Features

• High-efficiency buck converter with integrated power MOSFETs
• Adaptive gate drive for optimal switching performance
• Overcurrent protection with adjustable threshold
• Soft-start function for controlled power-up
• Synchronization capability for multi-phase operation
• Tri-state control for system-level power management

Advantages and Disadvantages

Advantages: - High efficiency leads to reduced power dissipation and improved energy efficiency. - Robust design ensures reliable operation in automotive environments. - Compact package allows for space-saving integration in electronic control units. - Wide operating temperature range enables usage in extreme conditions. - Low power consumption contributes to overall system efficiency.

Disadvantages: - Limited maximum output current (5A) may not be suitable for high-power applications. - Requires external components for complete power management solution. - May have a learning curve for inexperienced users due to its complex pin configuration.

Working Principles

L9395-TR operates as a buck converter, converting a higher input voltage to a lower output voltage using integrated power MOSFETs. It utilizes adaptive gate drive techniques to optimize switching performance and minimize power losses. The IC incorporates various protection features such as overcurrent protection and soft-start functionality to ensure safe and controlled operation.

Detailed Application Field Plans

L9395-TR finds extensive application in the automotive industry, particularly in electronic control units (ECUs) and power management systems. Some specific application areas include:

1. Engine Control Units (ECUs)
2. Transmission Control Units (TCUs)
3. Body Control Modules (BCMs)
4. Lighting Systems
5. Electric Power Steering (EPS) Systems
6. HVAC (Heating, Ventilation, and Air Conditioning) Systems

Detailed and Complete Alternative Models

1. L9396-TR: Similar to L9395-TR with enhanced maximum output current capability (up to 10A).
2. L9394-TR: Lower-cost alternative with reduced features and performance specifications.
3. L9397-TR: Higher-performance variant with additional protection features and wider input voltage range.

These alternative models provide flexibility in choosing the most suitable IC based on specific application requirements and budget constraints.

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