Overview
The L9615D, produced by STMicroelectronics, is a bidirectional transceiver designed for signal conditioning and processing in connection with a CAN (Controller Area Network) controller. This device supports data rates of up to 500KBAUD and is compatible with both shielded and non-shielded pairs of lines. It is particularly suited for automotive and industrial applications where robust communication over the CAN bus is essential.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Supply Voltage (VS) | 4.5 to 5.5 | V |
| Bus Voltage at C_H, C_L | -5 to 36 | V |
| Operating Temperature Range | -40 to 110 | °C |
| Storage and Junction Temperature Range | -40 to 150 | °C |
| Supply Current (Dominant) | 80 | mA |
| Supply Current (Recessive) | 20 | mA |
| Differential Output Voltage (Dominant) | 1.5 to 3 | V |
| Differential Output Voltage (Recessive) | -500 to 50 | mV |
| Short Circuit Detection Time | 1 to 10 | µs |
| Package | SO-8 |
Key Features
- Meets ISO/DIS 11898 up to 500KBAUD.
- Receiver with differential input and high interference suppression.
- Common mode input voltage range (VCOM) from -2V to VS+3V.
- Transmitter generates differential output signals with short circuit protection from -5V to 36V.
- Detection and shutdown with slope control to reduce RFI and EMI.
- Two states adjustable slope control (≤500KBAUD/≤125KBAUD).
- Overvoltage protection threshold on C_L.
- Adjustable slope control via the ASC pin.
Applications
The L9615D is primarily used in automotive and industrial environments where reliable and high-speed CAN bus communication is required. It is suitable for various applications including vehicle networks, industrial control systems, and any system that requires robust and reliable data transmission over the CAN bus.
Q & A
- What is the maximum data rate supported by the L9615D?
The L9615D supports data rates of up to 500KBAUD. - What is the operating temperature range of the L9615D?
The operating temperature range is from -40°C to 110°C. - What type of protection does the transmitter output have?
The transmitter output is protected against short circuits and electrical transients. - How is the slope control adjusted on the L9615D?
The slope control can be adjusted via the ASC pin, allowing for high speed (≤500KBAUD) or low speed (≤125KBAUD) operation. - What is the package type of the L9615D?
The package type is SO-8. - Does the L9615D meet any specific standards?
Yes, it meets ISO/DIS 11898 up to 500KBAUD. - What is the common mode input voltage range of the receiver?
The common mode input voltage range (VCOM) is from -2V to VS+3V. - How does the device handle short circuit conditions?
In case of a short circuit, the protection circuit recognizes the fault condition and disables the transmitter output stages with a delay of up to 10µs. - What is the purpose of the ASC pin?
The ASC pin allows for the selection of two different modes of operation: high speed (≤500KBAUD) and low speed (≤125KBAUD). - Is the L9615D suitable for use in safety-critical applications?
No, the L9615D is not designed for safety-critical applications such as life-supporting devices or systems with product functional safety requirements.
