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INA226AIDGSR
Texas Instruments
Part number
Yes. L9945TR by STMicroelectronics is available for RFQ. Submit your required quantity and our team will confirm real-time stock, lead time, and volume pricing.
Pricing for L9945TR can vary by order quantity, market availability, date code, packaging, and delivery destination. Request a quote to receive the latest volume pricing.
L9945TR is a STMicroelectronics Driver ICs with Packaging: Tape & Reel (TR), Cut Tape (CT) and Battery Supply Voltage Range: 3.8V to 36V and Operating Temperature Range: -40°C to +150°C. Review the product details or submit an RFQ if you need confirmation before purchase.
Our sales team usually responds within 24 hours after receiving your RFQ. The quote may include stock status, unit price, lead time, shipping options, and available alternatives.
If stock is confirmed, in-stock parts can usually ship within 1–2 business days. Final lead time depends on quantity, stock source, and delivery destination.
Yes. If L9945TR is unavailable, obsolete, or does not meet your required lead time, we can help check similar STMicroelectronics Driver ICs parts or compatible alternatives.
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IMPORTANT NOTICE
Quotations are subject to stock availability and may vary with market conditions. Prices and lead times are not guaranteed until a purchase order is confirmed. Ensure your contact details are correct to avoid delays in response.
The STMicroelectronics L9945TR is an automotive fully configurable 8-channel MOSFET pre-driver designed for controlling high-side, low-side, peak & hold, and H-Bridge load configurations in 12V and 24V vehicle electrical systems. It belongs to STMicroelectronics’ automotive power management IC portfolio and is optimized for driving external MOSFETs used in automotive actuators, motors, relays, and other inductive or resistive loads.
The L9945TR integrates eight configurable output channels, programmable gate charge/discharge currents, advanced diagnostic functions, SPI communication, overcurrent protection, and safety monitoring features. It supports multiple load-control architectures, including up to two independent H-Bridges and peak & hold control for applications such as fuel injectors and solenoid actuators.
Designed for automotive-grade systems, the device is AEC-Q100 qualified and supports operating battery voltages from 3.8V to 36V, making it suitable for passenger vehicles, commercial vehicles, and safety-critical automotive electronic systems.
L9945TR
| Segment | Description |
|---|---|
| L | STMicroelectronics automotive analog and power product family |
| 9945 | Automotive configurable MOSFET pre-driver model |
| T | Tape and reel packaging |
| R | Reel packaging option |
Key parameters:
| Feature | Description |
|---|---|
| Device Type | Automotive MOSFET Pre-Driver |
| Channels | 8 |
| Interface | SPI |
| Package | 64-TQFP-EP |
| Voltage Range | 3.8V to 36V |
| Grade | Automotive AEC-Q100 |
| Advantage | Description |
|---|---|
| Highly Flexible Configuration | Supports high-side, low-side, H-Bridge, and peak & hold driving modes |
| Automotive Grade Reliability | AEC-Q100 qualified for vehicle applications |
| Integrated Diagnostics | Provides comprehensive fault detection and monitoring |
| Wide Voltage Capability | Supports both 12V and 24V vehicle systems |
| Advanced EMI Control | Programmable gate drive improves EMC performance |
| Safety-Oriented Design | Includes redundant disable and self-monitoring features |
| Reduced System Complexity | Replaces multiple discrete MOSFET driver circuits |
| ST Automotive Expertise | Based on STMicroelectronics’ automotive power management technology |
| Manufacturer | Product Family | Positioning |
|---|---|---|
| STMicroelectronics | L9945 Series | 8-channel configurable automotive MOSFET pre-driver |
| Infineon | TLE Series | Automotive smart power and actuator drivers |
| NXP | MC339xx Series | Automotive motor and actuator control solutions |
| Texas Instruments | DRV Series | Automotive motor and gate driver solutions |
The STMicroelectronics L9945TR is positioned as a high-flexibility automotive MOSFET pre-driver solution for vehicle manufacturers and Tier-1 suppliers requiring configurable load control, advanced diagnostics, safety features, and reliable operation in demanding automotive environments.
The L9945TR integrates eight independent MOSFET driver channels that can be configured according to different automotive load requirements.
Supported configurations:
Advantages:
Typical applications:
The device is designed for both passenger vehicle and commercial vehicle electrical architectures.
Advantages:
Typical applications:
The L9945TR supports peak & hold current control strategies for loads requiring high initial current followed by reduced holding current.
Advantages:
Typical applications:
The device provides comprehensive monitoring through dedicated SPI registers.
Diagnostic features:
Advantages:
The L9945TR provides programmable MOSFET gate charge and discharge currents to control switching behavior.
Advantages:
The device supports advanced overcurrent monitoring through external MOSFET voltage sensing and shunt resistor measurement.
Advantages:
The L9945TR includes multiple safety mechanisms designed for automotive applications.
Safety features:
Advantages:
Fast Dispatch: Ships in 5-7 days(in-stock parts within 1-2 days)
Unishop Global Export: 1-7 days, $40.00
Guaranteed Delivery: Door-to-door in 30 days
Compliant Worldwide Shipping: DHL, FedEx, SF, and UPS.
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