Overview
The L9904TR is a motor bridge controller produced by STMicroelectronics, designed for use in automotive applications. This integrated circuit is part of STMicroelectronics' portfolio of motor drivers and control circuits. It is particularly suited for controlling power MOSFET bridges and includes an ISO 9141 bus interface, making it compatible with various automotive communication protocols.
Key Specifications
| Parameter | Value |
|---|---|
| Operating Supply Voltage | 8V to 28V |
| Package Type | 20-pin SO (Small Outline) |
| PWM Input | For H-bridge control |
| Diagnostic Output | Open drain diagnostic output |
| Switch Type | Open drain switch for step-up converter |
| Bus Interface | ISO 9141 bus interface |
Key Features
- Operating supply voltage range from 8V to 28V, making it versatile for various automotive applications.
- PWM input for precise control of the H-bridge configuration.
- Open drain diagnostic output for monitoring and diagnostic purposes.
- Open drain switch for step-up converter, enhancing the flexibility in power management.
- ISO 9141 bus interface for communication compatibility in automotive systems.
Applications
The L9904TR is primarily designed for automotive applications, including but not limited to:
- Motor control systems in vehicles.
- Power MOSFET bridge drivers.
- Automotive communication systems utilizing the ISO 9141 bus interface.
- Step-up converter applications within automotive electronics.
Q & A
- What is the operating supply voltage range of the L9904TR?
The operating supply voltage range is from 8V to 28V. - What type of package does the L9904TR come in?
The L9904TR comes in a 20-pin SO (Small Outline) package. - Does the L9904TR have a PWM input?
Yes, it has a PWM input for H-bridge control. - What type of diagnostic output does the L9904TR have?
The L9904TR has an open drain diagnostic output. - Is the L9904TR compatible with automotive communication protocols?
Yes, it includes an ISO 9141 bus interface for compatibility with automotive communication protocols. - What is the primary application of the L9904TR?
The primary application is in automotive motor control systems and power MOSFET bridge drivers. - Can the L9904TR be used in step-up converter applications?
Yes, it includes an open drain switch for step-up converter applications. - Where can I purchase the L9904TR?
The L9904TR can be purchased from STMicroelectronics' eStore, Digi-Key, and other authorized distributors. - What is the significance of the ISO 9141 bus interface in the L9904TR?
The ISO 9141 bus interface allows for communication compatibility in automotive systems. - Does the L9904TR have any specific diagnostic features?
Yes, it has an open drain diagnostic output for monitoring and diagnostic purposes.
