Overview
The E-L9637D013TR is a monolithic integrated circuit produced by STMicroelectronics, designed to provide standard ISO 9141 compatible interface functions. This component is particularly suited for automotive and industrial applications where robust communication interfaces are required. The L9637 integrates various key functions, including a bus driver, input/output pins, and protection mechanisms, making it a versatile solution for complex communication systems.
Key Specifications
| Parameter | Min. | Typ. | Max. | Unit |
|---|---|---|---|---|
| Operating Power Supply Voltage | 4.5 | - | 36 | V |
| Transient Voltage | - | - | 40 | V |
| Reverse Supply (Battery) Protection | -24 | - | - | V |
| Standby Mode Current Consumption | - | - | 1 | mA @ VCC ≤ 0.5 V |
| Quiescent Current in Off Condition | - | - | 120 | µA |
| TTL Compatible TX Input | - | - | - | - |
| Bidirectional K-I/O Pin Voltage Range | -24 | - | VS | V |
| K Output Current Limitation | - | 60 | - | mA |
| Overtemperature Shut Down | - | - | - | - |
| Package Type | - | - | SO8 | - |
| Packing | - | - | Tape and Reel | - |
Key Features
- Operating power supply voltage range: 4.5 V to 36 V (with transient protection up to 40 V)
- Reverse supply (battery) protection down to -24 V
- Standby mode with very low current consumption (ISSB ≤ 1 mA @ VCC ≤ 0.5 V)
- Low quiescent current in off condition (ISOFF = 120 µA)
- TTL compatible TX input
- Bidirectional K-I/O pin with supply voltage dependent input threshold
- Overtemperature shut down function selective to K-I/O pin
- Wide input and output voltage range (-24 V ≤ VK ≤ VS)
- K output current limitation (typ. IK = 60 mA)
- Defined OFF output status in undervoltage condition and VS or GND interruption
- Controlled output slope for low EMI
- High input impedance for open VS or GND connection
- Integrated pull-up resistors for TX, RX, and LO
- EMI robustness optimized
Applications
The E-L9637D013TR is primarily used in automotive and industrial communication systems where the ISO 9141 interface is required. It is suitable for various applications such as:
- Automotive diagnostic systems
- Industrial control and automation
- Vehicle network communication
- Embedded systems requiring robust communication interfaces
Q & A
- What is the operating power supply voltage range of the E-L9637D013TR?
The operating power supply voltage range is from 4.5 V to 36 V, with transient protection up to 40 V.
- What is the reverse supply protection voltage of the E-L9637D013TR?
The reverse supply protection voltage is down to -24 V.
- What is the typical quiescent current in the off condition?
The typical quiescent current in the off condition is 120 µA.
- Is the TX input TTL compatible?
Yes, the TX input is TTL compatible.
- What is the package type and packing of the E-L9637D013TR?
The package type is SO8, and it is available in tape and reel packing.
- Does the E-L9637D013TR have overtemperature shut down protection?
Yes, it has an overtemperature shut down function selective to the K-I/O pin.
- What is the K output current limitation of the E-L9637D013TR?
The K output current limitation is typically 60 mA.
- Does the E-L9637D013TR have integrated pull-up resistors?
Yes, it has integrated pull-up resistors for TX, RX, and LO.
- What are the primary applications of the E-L9637D013TR?
The primary applications include automotive diagnostic systems, industrial control and automation, vehicle network communication, and embedded systems requiring robust communication interfaces.
- Is the E-L9637D013TR EMI robust?
Yes, the E-L9637D013TR is optimized for EMI robustness.
