Overview
The TCAN1042HDRBTQ1 is an automotive fault-protected CAN (Controller Area Network) transceiver produced by Texas Instruments. This device is part of the TCAN1042-Q1 family, which is designed to meet the stringent requirements of automotive and transportation applications. It complies with the ISO 11898-2:2016 and ISO 11898-5:2007 physical layer standards, ensuring compatibility with high-speed CAN networks. The transceiver supports both classic CAN and CAN FD (Flexible Data Rate) up to 2 Mbps, with certain variants supporting data rates up to 5 Mbps.
Key Specifications
| Parameter | Min | Typical | Max | Unit |
|---|---|---|---|---|
| Supply Voltage (VCC) | 4.5 | 5 | 5.5 | V |
| Operating Temperature | -55 | 125 | °C | |
| Supply Current (Normal Mode, Dominant) | 40 | 70 | 80 | mA |
| Propagation Delay Time (Low TXD to Driver Dominant) | 55 | 75 | ns | |
| Differential Output Signal Rise Time | 45 | ns | ||
| Differential Output Signal Fall Time | 45 | ns | ||
| Driver Dominant Time Out (TXD DTO) | 1.2 | 3.8 | ms | |
| Package Type | SOIC(8), VSON(8) | |||
| Package Size (VSON) | 3.0 mm x 3.0 mm |
Key Features
- AEC-Q100 (grade 1): Qualified for automotive applications.
- Meets the ISO 11898-2:2016 and ISO 11898-5:2007 physical layer standards.
- Supports classic CAN and CAN FD up to 2 Mbps; 'G' variants support up to 5 Mbps.
- Short and symmetrical propagation delay times and fast loop times for enhanced timing margin.
- Higher data rates in loaded CAN networks.
- EMC performance: supports SAE J2962-2 and IEC 62228-3 (up to 500 kbps) without common mode choke.
- I/O Voltage range supports 3.3 V and 5 V MCUs.
- Ideal passive behavior when unpowered; bus and logic terminals are high impedance (no load).
- Power up/down with glitch-free operation on bus and RXD output.
- Protection features include IEC ESD protection up to ±15 kV, bus fault protection (±58 V for non-H variants, ±70 V for H variants), undervoltage protection on VCC and VIO (V variants only), driver dominant time out (TXD DTO), and thermal shutdown protection (TSD).
- Receiver common mode input voltage: ±30 V.
- Typical loop delay: 110 ns.
- Junction temperatures from –55°C to 150°C.
- Available in SOIC(8) and leadless VSON(8) packages with improved automated optical inspection (AOI) capability.
Applications
- Automotive and Transportation: Suitable for various automotive applications, including SAE J2284 High-speed CAN and GMW3122 Dual-wire CAN physical layer.
- Heavy Machinery: Compliant with ISO 11783 for ISOBUS applications.
- Highly Loaded CAN Networks: Supports networks with high bus loads.
- Functional Safety-Capable: Meets requirements of SAE J2962, GIFT/ICT, and ISO16845.
Q & A
- What is the TCAN1042HDRBTQ1 used for?
The TCAN1042HDRBTQ1 is used as a CAN transceiver in automotive and transportation applications, supporting both classic CAN and CAN FD networks.
- What are the key standards this device complies with?
The device complies with ISO 11898-2:2016 and ISO 11898-5:2007 physical layer standards.
- What are the supported data rates for this transceiver?
The transceiver supports data rates up to 2 Mbps for CAN FD, and up to 5 Mbps for variants with the 'G' suffix.
- What protection features does the TCAN1042HDRBTQ1 have?
The device includes protection features such as IEC ESD protection, bus fault protection, undervoltage protection, driver dominant time out, and thermal shutdown protection.
- What are the operating temperature and voltage ranges for this device?
The operating temperature range is from –55°C to 125°C, and the supply voltage range is from 4.5 V to 5.5 V.
- What packages is the TCAN1042HDRBTQ1 available in?
The device is available in SOIC(8) and leadless VSON(8) packages.
- Does the TCAN1042HDRBTQ1 support I/O level shifting?
Yes, devices with the 'V' suffix have a secondary power supply input for I/O level shifting.
- What is the typical loop delay of the TCAN1042HDRBTQ1?
The typical loop delay is 110 ns.
- Is the TCAN1042HDRBTQ1 qualified for automotive applications?
Yes, it is AEC-Q100 (grade 1) qualified for automotive applications.
- What is the receiver common mode input voltage range?
The receiver common mode input voltage range is ±30 V.
