Overview
The SN74LVC1T45TDCKRQ1, manufactured by Texas Instruments, is a single-bit, dual-supply, bidirectional voltage-level translator designed for automotive applications. This device is part of the LVC family, known for its low-voltage CMOS technology, and is specifically tailored to meet the stringent requirements of the automotive industry. It enables seamless voltage translation between two different power domains, making it ideal for interfacing between low-voltage microcontrollers and higher-voltage peripherals. Its compact SC70-6 package and robust ESD protection make it suitable for space-constrained and harsh automotive environments.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Supply Voltage (A Port) | 1.2 to 3.6 | V | |
| Supply Voltage (B Port) | 1.65 to 5.5 | V | |
| ESD Protection (A Port) | ±15 | kV | Human Body Model |
| ESD Protection (B Port) | ±15 | kV | Human Body Model |
| Operating Temperature | -40 to +125 | °C | |
| Data Rate (Max) | 420 | Mbps | 3.3V to 5V |
| Quiescent Current | 5 | μA | |
| Package | SC70-6 |
Key Features
- Bidirectional voltage translation between 1.2V to 3.6V and 1.65V to 5.5V.
- Automatic direction sensing eliminates the need for a direction control pin.
- Robust ESD protection up to ±15kV (Human Body Model).
- Low power consumption with a quiescent current of 5μA.
- Compact SC70-6 package for space-constrained applications.
- Complies with AEC-Q100 automotive standards.
Applications
The SN74LVC1T45TDCKRQ1 is widely used in automotive electronics for interfacing between low-voltage microcontrollers and higher-voltage peripherals. Its applications include infotainment systems, advanced driver-assistance systems (ADAS), and body control modules. Additionally, it is suitable for industrial automation, consumer electronics, and IoT devices where voltage translation is required between different power domains.
Q & A
1. What is the operating voltage range for the A port?
The A port operates at a voltage range of 1.2V to 3.6V.
2. What is the maximum data rate supported by this device?
The maximum data rate is 420Mbps for 3.3V to 5V translation.
3. Does this device require a direction control pin?
No, it features automatic direction sensing, eliminating the need for a direction control pin.
4. What is the ESD protection level for the B port?
The B port provides ESD protection up to ±15kV (Human Body Model).
5. Is this device suitable for automotive applications?
Yes, it complies with AEC-Q100 automotive standards.
6. What is the quiescent current of this device?
The quiescent current is 5μA.
7. What is the operating temperature range?
The operating temperature range is -40°C to +125°C.
8. What package does this device come in?
It is available in an SC70-6 package.
9. Can this device be used in industrial automation?
Yes, it is suitable for industrial automation applications.
10. What is the maximum output drive current?
The maximum output drive current is ±24mA at 3.3V.
