TCAN1044AEVDRQ1
Automotive CAN FD TransceiverThe TCAN1044AEVDRQ1 is a automotive can fd transceiver from Texas Instruments. View the full TCAN1044AEVDRQ1 datasheet below including key specifications, electrical characteristics, absolute maximum ratings.
Official TCAN1044AEVDRQ1 datasheet (PDF) — the source this page was extracted from.
TCAN1044AEVDRQ1 Key Specifications
| Parameter | Value |
|---|---|
| Case/Package | SOIC |
| Data Rate | 8Mbps |
| Duplex | Half |
| Grade | Automotive |
| Height | 1.75 mm |
| Length | 4.9 mm |
| Lifecycle Status | Production (Last Updated: 3 days ago) |
| Manufacturer Lifecycle Status | ACTIVE (Last Updated: 3 days ago) |
| Mounting Type | Surface Mount |
| Number of Drivers/Receivers | 1/1 |
| Number of Pins | 8 |
| Operating Temperature | -40°C ~ 150°C (TA) |
| Package / Case | 8-SOIC (0.154", 3.90mm Width) |
| Protocol | CANbus |
| Qualification | AEC-Q100 |
| Receiver Hysteresis | 115 mV |
| RoHS | Compliant |
| Supplier Device Package | 8-SOIC |
| Thickness | 1.58 mm |
| Type | Transceiver |
| Supply Voltage | 4.5V ~ 5.5V |
| Width | 3.91 mm |
TCAN1044AEVDRQ1 Overview
Part: TCAN1044AEV-Q1 — Texas Instruments
Type: Automotive Fault-Protected CAN FD Transceiver
Description: AEC-Q100 Grade 0 CAN FD transceiver with 4.5–5.5 V VCC supply, 1.7–5.5 V VIO logic supply, data rates up to 5 Mbps (8 Mbps in simpler networks) and ±58 V bus fault protection.
Operating Conditions:
- Supply voltage: VCC 4.5–5.5 V; VIO 1.7–5.5 V
- Operating ambient temperature: -40 to 150 °C
- Data rates: 2, 5 and 8 Mbps (CAN FD); standard CAN supported
Absolute Maximum Ratings:
- Max supply voltage: VCC 6 V; VIO 6 V
- Bus voltage (CANH, CANL): ±58 V
- Max differential bus voltage: ±45 V
- RXD output current: ±8 mA
- Max junction temperature: 175 °C
- Storage temperature: -65 to 150 °C
Key Specs:
- Supply current, normal mode dominant (RL = 60 Ω): 45 mA typ, 70 mA max
- Supply current, normal mode recessive: 4.5 mA typ, 7.5 mA max
- Supply current, standby mode: 1.5 μA max
- VIO supply current, standby mode: 8.5 μA typ, 14 μA max
- VCC undervoltage falling threshold: 3.5–4.25 V (4 V typ); rising 4.4 V max
- VIO undervoltage falling threshold: 1.4–1.59 V; rising 1.65 V max
- Dominant differential output voltage (50–65 Ω load): 1.5–3 V
- Receiver input threshold, normal mode: 500–900 mV (-12 V ≤ VCM ≤ 12 V)
- Thermal shutdown temperature: 195 °C typ (175–210 °C)
- ESD HBM: ±4 kV all pins; ±10 kV on CANH/CANL
Features:
- AEC-Q100 Grade 0 qualified
- Meets ISO 11898-2:2016 physical layer requirements
- Functional safety capable
- Classic CAN and optimized CAN FD performance at 2, 5 and 8 Mbps
- Short, symmetric propagation delay times
- I/O level shifting via VIO, 1.7–5.5 V
- Supports 12 V and 24 V battery applications
- Bus fault protection ±58 V
- Receiver common-mode input range ±12 V
- Undervoltage protection, TXD dominant timeout (DTO, down to 9.2 kbps), thermal shutdown
- Normal mode and low-power standby mode with remote wake-up (WUP)
- Unpowered high-impedance bus and logic pins; hot-plug capable
Applications:
- Body control modules
- Automotive gateways
- Advanced driver assistance systems (ADAS)
- Infotainment systems
Package:
- SOIC (D), 8-pin, 4.90 mm × 3.91 mm
- SOT-23 (DDF), 8-pin, 2.90 mm × 1.60 mm
TCAN1044AEVDRQ1 Pin Configuration
图 5-1. DDF (SOT) and D (SOIC), 8-Pin Package, Top View
表 5-1. Pin Functions
| Pins | Pins | Type | |
|---|---|---|---|
| No. | Name | Type | Description |
| 1 | TXD | Digital Input | CAN transmit data input; integrated pull-up |
| 2 | GND | GND | Ground connection |
| 3 | V CC | Supply | 5-V supply voltage |
| 4 | RXD | Digital Output | CAN receive data output, tri-stated when device powered off |
| 5 | V IO | Supply | I/O supply voltage |
| 6 | CANL | Bus IO | Low-level CAN bus input/output line |
| 7 | CANH | Bus IO | High-level CAN bus input/output line |
| 8 | STB | Digital Input | Standby input for mode control; integrated pull-up |
TCAN1044AEVDRQ1 Electrical Characteristics
Over recommended operating conditions with TA = -40 °C to 150 °C (unless otherwise noted)
| PARAMETER | PARAMETER | PARAMETER | TEST CONDITIONS | MIN | TYP | MAX | UNIT |
|---|---|---|---|---|---|---|---|
| Driver Electrical Characteristics | Driver Electrical Characteristics | Driver Electrical Characteristics | Driver Electrical Characteristics | Driver Electrical Characteristics | Driver Electrical Characteristics | Driver Electrical Characteristics | Driver Electrical Characteristics |
| V O(DOM) | Dominant output voltage Normal mode | CANH | STB = 0 V, TXD = 0 V 50 Ω ≤ R L ≤ 65 Ω , C L = open, R CM = open See 图 7-2 and 图 8-3 | 2.75 | 4.5 | V | |
| V O(DOM) | Dominant output voltage Normal mode | CANL | STB = 0 V, TXD = 0 V 50 Ω ≤ R L ≤ 65 Ω , C L = open, R CM = open See 图 7-2 and 图 8-3 | 0.5 | 2.25 | V | |
| V O(REC) | Recessive output voltage Normal mode | CANH and CANL | STB = 0 V, TXD = V IO R L = open (no load), R CM = open See 图 7-2 and 图 8-3 | 2 | 0.5 V CC | 3 | V |
| V SYM | Driver symmetry (V O(CANH) + V O(CANL) )/V CC | STB = 0 V, TXD = 250 kHz, 1 MHz, 2.5 MHz R L = 60 Ω , C SPLIT = 4.7 nF, C L = open, R CM = open See 图 7-2 and 图 9-2 | 0.9 | 1.1 | V/V | ||
| V SYM_DC | DC output symmetry (V CC - V O(CANH) - V O(CANL) ) | STB = 0 V R L = 60 Ω , C L = open See 图 7-2 and 图 8-3 | - 400 | 400 | mV | ||
| V OD(DOM) | Differential output voltage Normal mode Dominant | CANH - CANL | STB = 0 V, TXD = 0 V 50 Ω ≤ R L ≤ 65 Ω , C L = open See 图 7-2 and 图 8-3 | 1.5 | 3 | V | |
| V OD(DOM) | Differential output voltage Normal mode Dominant | CANH - CANL | STB = 0 V, TXD = 0 V 45 Ω ≤ R L ≤ 70 Ω , C L = open See 图 7-2 and 图 8-3 | 1.4 | 3.3 | V | |
| V OD(DOM) | Differential output voltage Normal mode Dominant | CANH - CANL | STB = 0 V, TXD = 0 V R L = 2240 Ω , C L = open See 图 7-2 and 图 8-3 | 1.5 | 5 | V |
TCAN1044AEVDRQ1 Absolute Maximum Ratings
(1) (2)
| MIN | MAX | UNIT | ||
|---|---|---|---|---|
| V CC | Supply voltage | - 0.3 | 6 | V |
| V IO | Supply voltage I/O level shifter | - 0.3 | 6 | V |
| V BUS | CAN Bus I/O voltage | - 58 | 58 | V |
| V DIFF | Max differential voltage between CANH and CANL | - 45 | 45 | V |
| V Logic_Input | Logic input terminal voltage | - 0.3 | 6 | V |
| V RXD | RXD output terminal voltage range | - 0.3 | 6 | V |
| I O(RXD) | RXD output current | - 8 | 8 | mA |
| T J | Junction temperature | - 40 | 175 | °C |
| T STG | Storage temperature | - 65 | 150 | °C |
- (2) All voltage values, except differential I/O bus voltages, are with respect to ground terminal.
TCAN1044AEVDRQ1 Recommended Operating Conditions
| MIN | NOM | MAX | UNIT | ||
|---|---|---|---|---|---|
| V CC | Supply voltage | 4.5 | 5 | 5.5 | V |
| V IO | Supply voltage for I/O level shifter | 1.7 | 5.5 | V | |
| I OH(RXD) | RXD terminal high-level output current | - 1.5 | mA | ||
| I OL(RXD) | RXD terminal low-level output current | 1.5 | mA | ||
| T A | Operating ambient temperature | -40 | 150 | °C |
TCAN1044AEVDRQ1 Thermal Information
| (1) - THERMAL METRIC | TCAN1044AEV-Q1 - D (SOIC) | TCAN1044AEV-Q1 - DDF (SOT) | UNIT | |
|---|---|---|---|---|
| R θ JA | Junction-to-ambient thermal resistance | 127.5 | 122 | °C /W |
| R θ JC(top) | Junction-to-case (top) thermal resistance | 67.6 | 63 | °C /W |
| R θ JB | Junction-to-board thermal resistance | 70.9 | 42.4 | °C /W |
| Ψ JT | Junction-to-top characterization parameter | 19.3 | 2.4 | °C /W |
| Ψ JB | Junction-to-board characterization parameter | 70.2 | 42.2 | °C /W |
| R θ JC(bot) | Junction-to-case (bottom) thermal resistance | -- | -- | °C /W |
TCAN1044AEVDRQ1 Typical Application
The TCAN1044AEV-Q1 transceiver can be used in applications with a host controller or FPGA that includes the link layer portion of the CAN protocol. 图 9-1 shows a typical configuration for 5-V controller applications. The bus termination is shown for illustrative purposes.
图 9-1. Transceiver Application Using 5-V IO Connections
Variants on the same datasheet
These parts have exact links to the same datasheet. They are candidates to compare, not verified drop-in replacements; check package, pinout and electrical limits.
| Part Number | Manufacturer | Package |
|---|---|---|
| TCAN1044AEV-Q1 | Texas Instruments | — |
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