company blog about Mingjiada Electronics supplies the L9301-TR automotive eight-channel low-side driver and four-channel high-side driver

In today's era of rapid automotive electronics advancement, efficient and reliable power driver chips have become pivotal to system design. As a renowned supplier of electronic components within the industry, Mingjiada Electronics now offers the L9301-TR automotive-grade power driver manufactured by STMicroelectronics, providing robust power and control assurance for automotive electronic systems.

Product Overview Of L9301-TR
The L9301-TR is a high-performance, multi-channel power driver integrated circuit from STMicroelectronics, specifically engineered for automotive electronics applications.

Housed in an advanced PowerSSO-36 package, this chip delivers outstanding thermal performance while meeting the space constraints inherent in automotive electronics.

Core Technical Features
Multi-channel Flexible Configuration
The L9301-TR is an SPI-controlled eight-channel power driver featuring four high/low-side drivers and four low-side drivers. It incorporates 12 PowerMOS transistors: 4 configurable high/low-side drivers (maximum on-resistance Ronmax of 0.6Ω), 4 low-side drivers (maximum on-resistance Ronmax of 0.6Ω), and 4 low-side drivers (maximum on-resistance Ronmax of 0.3Ω).
Through external parallel connection, DRN/SRC1-4 and OUT1-4 can be configured as four low-side drivers with a maximum on-resistance of 0.3Ω.
Superior Electrical Performance
The L9301-TR operates over a wide voltage range, supporting load voltages from 5V to 18V with a supply voltage of 4.75V to 5.25V. Its fast response characteristics, featuring rise and fall times of just 50ns, make it suitable for high-frequency PWM control.
Robust Output Capability
Each channel delivers up to 3A output current, enabling direct driving of diverse automotive loads such as motors, lighting, and actuators.
Comprehensive Fault Protection
The L9301-TR incorporates multiple fault protection mechanisms, including fixed current limiting and overtemperature protection, ensuring safe system operation under abnormal conditions and enhancing overall vehicle reliability and safety.
Automotive-Grade Quality and Certification
Compliant with the AEC-Q100 automotive standard, the L9301-TR is engineered for demanding automotive environments. Its operating temperature range of -40°C to 125°C accommodates extreme climatic conditions, guaranteeing stable performance throughout the vehicle's lifecycle.
Housed in a PowerSSO-36 package, the device offers excellent thermal performance and mechanical robustness, making it suitable for automotive electronics applications.

Application Areas
The L9301-TR is suitable for multiple automotive electronic systems, including:
Body control modules (door, window, seat control)
Lighting control systems (headlights, tail lights, interior lighting)
Motor drive systems (fans, pumps, small motors)
Power distribution and management

Figure 1. L9301-TR Block Diagram

Figure 2. L9301-TR Pin Connection Diagram

Summary
The L9301-TR eight-channel high/low-side driver chip integrates STMicroelectronics' advanced power management technology, offering distinct advantages in configuration flexibility, comprehensive diagnostics, and reliability. Whether enhancing the intelligent control capabilities of automotive electronic systems or strengthening the drive and protection functions of industrial equipment, it represents a market-proven, superior solution.

Shenzhen Mingjiada Electronics Co., Ltd. with its genuine stock and professional service capabilities, stands as your reliable partner for acquiring this premium component.