TJA1448A
Dual High-Speed CAN/CAN FD TransceiverThe TJA1448A is a dual high-speed can/can fd transceiver from NXP USA Inc.. View the full TJA1448A datasheet below including key specifications.
Manufacturer
NXP USA Inc.
Category
Dual High-Speed CAN/CAN FD Transceiver
Key Specifications
| Parameter | Value |
|---|---|
| Data Rate | 5Mbps |
| Duplex | Half |
| Grade | Automotive |
| Mounting Type | Surface Mount |
| Number of Drivers/Receivers | 2/2 |
| Operating Temperature | -40°C ~ 150°C (TJ) |
| Package / Case | 14-VDFN Exposed Pad |
| Packaging | MouseReel |
| Protocol | CANbus |
| Qualification | AEC-Q100 |
| Receiver Hysteresis | 50 mV |
| Standard Pack Qty | 6000 |
| Supplier Device Package | 14-HVSON (3x4.5) |
| Type | Transceiver |
| Supply Voltage | 4.5V ~ 5.5V |
Overview
Part: TJA1448 — NXP B.V.
Type: Dual High-Speed CAN/CAN FD Transceiver
Description: The TJA1448 is a dual high-speed CAN/CAN FD transceiver providing an interface between a CAN protocol controller and the physical two-wire CAN bus, supporting data rates up to 5 Mbit/s and compliant with ISO 11898-2:2016.
Operating Conditions:
- Supply voltage (VCC): 4.5–5.5 V
- Supply voltage (VIO, TJA1448A/C only): 2.95–5.5 V
- Virtual junction temperature: -40 to +150 °C
Absolute Maximum Ratings:
- Max voltage on CANH/CANL pins: +40 V
- Min voltage on CANH/CANL pins: -36 V
- Max virtual junction temperature: +150 °C
Key Specs:
- VCC supply current (Normal mode, both channels recessive): 8 mA (typ), 14 mA (max)
- VCC supply current (Normal mode, both channels dominant): 77 mA (typ), 120 mA (max)
- VCC supply current (Standby mode, TJA1448A/C): 2 μA (max)
- VCC supply current (Standby mode, TJA1448B): 11 μA (typ), 18 μA (max)
- VIO supply current (Normal mode, both channels recessive): 270 μA (typ), 750 μA (max)
- VIO supply current (Standby mode): 11 μA (typ), 16 μA (max)
- Electrostatic discharge voltage (IEC 61000-4-2 on CANHx/CANLx): -8 kV to +8 kV
- Standby undervoltage detection voltage on VCC: 4 V (min), 4.5 V (max)
Features:
- ISO 11898-2:2016, SAE J2284-1 to SAE J2284-5 and SAE J1939-14 compliant
- Standard CAN and CAN FD data bit rates up to 5 Mbit/s
- Low Electromagnetic Emission (EME) and high Electromagnetic Immunity (EMI)
- Qualified according to AEC-Q100 Grade 1
- TJA1448A/C only: VIO input for interfacing with 3.3 V to 5 V microcontrollers
- Fully independent control of two transceivers combined monolithically in a single package
- Very low-current Standby mode with host and bus wake-up capability
- High ESD handling capability on the bus pins (8 kV IEC and HBM)
- Transmit Data (TXD) dominant time-out function
- Thermally protected
Applications:
- Simple replacement for dual high-speed Classical CAN and CAN FD transceivers
- Automotive environments
Package:
- SO14 (14 leads, body width 3.9 mm)
- HVSON14 (14 terminals, body 3 × 4.5 × 0.85 mm)
Pin Configuration
Table 4. Pin description: TJA1448A/C
| Symbol | Pin | Type [1] | Description |
|---|---|---|---|
| TXD1 | 1 | I | transmit data input 1; inputs data (from the CAN controller) to be written to CANH1/CANL1 bus lines |
| GND [2] | 2 | G | ground |
| VCC | 3 | P | 5 V supply voltage input |
| RXD1 | 4 | O | receive data output 1; outputs data read from bus lines CANH1/CANL1 (to the CAN controller) |
| GND [2] | 5 | G | ground |
| TXD2 | 6 | I | transmit data input 2; inputs data (from the CAN controller) to be written to CANH1/CANL1 bus lines |
| RXD2 | 7 | O | receive data output 2; outputs data read from bus lines CANH2/CANL2 (to the CAN controller) |
| STB2 | 8 | I | Standby mode control input 2 (HIGH: Standby mode; LOW: Normal mode) |
| CANL2 | 9 | AIO | LOW-level CAN bus line 2 |
| CANH2 | 10 | AIO | HIGH-level CAN bus line 2 |
| VIO | 11 | P | supply voltage input for I/O level adapter |
| CANL1 | 12 | AIO | LOW-level CAN bus line 1 |
| CANH1 | 13 | AIO | HIGH-level CAN bus line 1 |
| STB1 | 14 | I | Standby mode control input 1 (HIGH: Standby mode; LOW: Normal mode) |
Dual high-speed CAN transceiver with Standby mode
Table 5. Pin description: TJA1448B
| Symbol | Pin | Type [1] | Description |
|---|---|---|---|
| TXD1 | 1 | I | transmit data input 1; inputs data (from the CAN controller) to be written to CANH1/CANL1 bus lines |
| GND [2] | 2 | G | ground |
| VCC | 3 | P | 5 V supply voltage input |
| RXD1 | 4 | O | receive data output 1; outputs data read from bus lines CANH1/CANL1 (to the CAN controller) |
| TXD2 | 5 | I | transmit data input 2; inputs data (from the CAN controller) to be written to CANH2/CANL2 bus lines |
| GND [2] | 6 | G | ground |
| n.c. | 7 | - | not connected |
| RXD2 | 8 | O | receive data output 2; outputs data read from bus lines CANH2/CANL2 (to the CAN controller) |
| CANL2 | 9 | AIO | LOW-level CAN bus line 2 |
| CANH2 | 10 | AIO | HIGH-level CAN bus line 2 |
| STB2 | 11 | I | Standby mode control input 2 (HIGH: Standby mode; LOW: Normal mode) |
| CANL1 | 12 | AIO | LOW-level CAN bus line 1 |
| CANH1 | 13 | AIO | HIGH-level CAN bus line 1 |
| STB1 | 14 | I | Standby mode control input 1 (HIGH: Standby mode; LOW: Normal mode) |
Thermal Information
Value determined for free convection conditions on a JEDEC 2S2P board.
| Symbol | Parameter | Conditions [1] | Typ | Unit |
|---|---|---|---|---|
| R th(j-a) | thermal resistance from junction to ambient | SO14 | 62 | K/W |
| HVSON14 | 42 | K/W | ||
| R th(j-c) | thermal resistance from junction to case [2] | HVSON14 | 10 | K/W |
| Ѱ j-top | thermal characterization parameter from junction to top of package | SO14 | 8 | K/W |
| HVSON14 | 4 | K/W |
Typical Application
Dual high-speed CAN transceiver with Standby mode
Package Information
| OUTLINE VERSION | REFERENCES | REFERENCES | REFERENCES | EUROPEAN PROJECTION | ISSUE DATE |
|---|---|---|---|---|---|
| OUTLINE VERSION | IEC | JEDEC | JEITA | ||
| SOT108-1 | 076E06 | MS-012 | 99-12-27 03-02-19 |
© NXP B.V. 2021. All rights reserved.
Dual high-speed CAN transceiver with Standby mode
Figure 17. Package outline SOT1086-2 (HVSON14)
Related Variants
The following components are covered by the same datasheet.
| Part Number | Manufacturer | Package |
|---|---|---|
| TJA1448ATK/0Z | NXP USA Inc. | 14-VDFN Exposed Pad |
| TJA1448B | NXP USA Inc. | — |
| TJA1448C | NXP USA Inc. | — |
| TJA1448CTK/0Z | NXP USA Inc. | 14-VDFN Exposed Pad |
| TJA144X | NXP USA Inc. | — |
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