TCAN844V
Automotive CAN FD TransceiverThe TCAN844V is a automotive can fd transceiver from Texas Instruments. View the full TCAN844V datasheet below including key specifications, electrical characteristics, absolute maximum ratings.
TCAN844V shares its datasheet with TCAN844, whose page lists every part number it covers.
Official TCAN844V datasheet (PDF) — the source this page was extracted from.
Manufacturer
Texas InstrumentsCategory
Automotive CAN FD Transceiver
TCAN844V Key Specifications
| Parameter | Value |
|---|---|
| ESD CDM | ±500V |
| Data Rate | 9.2kbps to 5Mbps (CAN FD) |
| Interface | CAN FD (ISO 11898-2:2024) |
| Qualification | AEC-Q100 |
| Operating Modes | Normal, Low-power Standby with remote wake-up (WUP) |
| Thermal Shutdown | 160°C (release 150°C) |
| ESD HBM (CANH/CANL) | ±12kV |
| Bus Fault Protection | ±40V |
| Supply Voltage (VCC) | 4.75V to 5.25V |
| I/O Supply Voltage (VIO) | 2.9V to 5.25V |
| Operating Junction Temperature | -40°C to 150°C |
| Receiver Common Mode Input Range | ±12V |
| IEC 61000-4-2 Contact Discharge (Unpowered) | ±8kV |
TCAN844V Overview
Part: TCAN844-Q1 — Texas Instruments
Type: Automotive Fault-Protected CAN FD Transceiver
Description: Automotive CAN FD transceiver supporting up to 5 Mbps with ±40 V bus fault protection, ±12 V receiver common-mode range, and standby mode with remote wake-up.
Operating Conditions:
- Supply voltage: 4.75 V to 5.25 V (VCC), 2.9 V to 5.25 V (VIO for TCAN844V-Q1)
- Operating temperature: -40 to 150 °C (junction temperature TJ)
Absolute Maximum Ratings:
- Max supply voltage: 6 V (VCC, VIO)
- Max junction/storage temperature: 165 °C (TJ), -65 to 150 °C (TSTG)
Key Specs:
- Supply current (dominant, normal mode): 44 mA typ, 70 mA max (TXD = 0 V, RL = 60 Ω)
- Standby mode supply current (ICC): 5 μA max (TCAN844V), 30 μA max (TCAN844)
- Bus fault protection voltage: -40 V to 40 V
- Receiver common-mode voltage range: -12 V to 12 V
- Dominant differential output voltage (VDIFF(D)): 1.5 V to 3 V (TXD = 0 V, 50 Ω ≤ RL ≤ 65 Ω)
- Recessive bus output voltage: 2 V to 3 V (TXD = VCC, RL = open)
- Dominant short-circuit output current: -115 mA min (CANH), 115 mA max (CANL)
- Unpowered bus input leakage current: 5 μA max (CANH = CANL = 5 V)
Features:
- AEC-Q100 Qualified with ±12 kV HBM and ±8 kV IEC 61000-4-2 contact ESD on bus pins
- Compatible with ISO 11898-2:2024 physical layer specification
- Optimized CAN FD performance up to 5 Mbps
- Low-power standby mode supporting remote wake-up request (WUP)
- Thermal-shutdown and TXD-dominant time-out (DTO) protection
- Logic level translation via VIO pin (2.9 V to 5.25 V) on TCAN844V-Q1
Applications:
- Automotive and transportation
- Body control modules
- Automotive gateway
- Advanced driver assistance system (ADAS)
- Infotainment
Package:
- 8-Pin SOIC (D) (4.9 mm × 6 mm)
- 8-Pin VSON (DRB) (3 mm × 3 mm)
- 8-Pin SOT-23 (DDF) (2.9 mm × 2.8 mm)
TCAN844V Features
- AEC-Q100 Qualified for automotive applications
- -Human body model (HBM) ESD protection: ±12KV for CANH and CANL pins as per AEC Q100-002
- -Charged-device model (CDM) ESD protection: ±500V as per AEC Q100-011
- -IEC 61000-4-2 Contact discharge: ±8KV (unpowered)
- Compatible with ISO 11898-2:2024 physical layer standard
- Functional Safety-Capable
- -Documentation available to aid in functional safety system design
- Support of classical CAN and optimized CAN FD performance at 2 and 5Mbps
- -Short and symmetrical propagation delays for enhanced timing margin
- TCAN844V-Q1 I/O voltage range supports 2.9V to 5.25V
- Support for 12V battery applications
- Receiver common mode input voltage: ±12V
- Protection features:
- -Bus fault protection: ±40V
- -Undervoltage protection
- -TXD-dominant time-out (DTO)
- Data rates down to 9.2kbps
- -Thermal-shutdown protection (TSD)
- Operating modes:
- -Normal mode
- -Low power standby mode supporting remote wake-up request
- Optimized behavior when unpowered
- -Bus and logic pins are high impedance (no load to operating bus or application)
- -Hot-plug capable: power up/down glitch-free operation on bus and RXD output
- 8-Pin SOIC, small footprint SOT-23 and leadless VSON-8 package with improved automated optical inspection (AOI) capability
TCAN844V Applications
- Automotive and transportation
- -Body control modules
- -Automotive gateway
- -Advanced driver assistance system (ADAS)
- -Infotainment
TCAN844V Pin Configuration
Figure 4-1. DDF Package, 8-Pin SOT (Top View)
Figure 4-1. DDF Package, 8-Pin SOT (Top View)
Figure 4-2. D Package, 8-Pin SOIC (Top View)
Figure 4-3. DRB Package, 8-Pin VSON (Top View)
TCAN844V Electrical Characteristics
Over recommended operating conditions with TJ = -40 °C to 150 °C (unless otherwise noted)
| 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 |
| V CANH(D) | Bus output voltage (dominant) CANH | V TXD = 0V, R L =50Ω to 65Ω, C L = open, R CM = open | 2.75 | 4.5 | V | |
| V CANL(D) | Bus output voltage (dominant) CANL | V TXD = 0V, R L =50Ω to 65Ω, C L = open, R CM = open | 0.5 | 2.25 | V | |
| V CANH(R) V CANL(R) | Bus output voltage (recessive) | V TXD = V CC , R L = open (no load), R CM = open | 2 | 3 | V | |
| V SYM | Driver symmetry (V O(CANH) + V O(CANL) )/V CC | R TERM = 60Ω, C L = open, C SPLIT = 4.7 nF | 0.9 | 1.1 | V/V | |
| V SYM_DC | DC output symmetry (V CC - V O(CANH) - V O(CANL) ) | R L = 60Ω, C L = open | -400 | 400 | mV | |
| V DIFF(D) | Differential output voltage normal mode | TXD = 0V, 50Ω ≤ R L ≤ 65Ω, C L = open | 1.5 | 3 | V | |
| TXD = 0V, 45Ω ≤ R L ≤ 70Ω, C L = open | 1.4 | 3.3 | V | |||
| Dominant | TXD = 0V, R L = 2240Ω, C L = open | 1.5 | 5 | V | ||
| V DIFF(R) | Differential output voltage normal mode | TXD = V CC or V IO , R L = 60Ω, C L = open | -120 | 12 | mV | |
| V DIFF(R) | Recessive | Normal mode, TXD = V CC or V IO , R L = open, C L = open | -50 | 50 | mV | |
| V CANH(INACT) | Bus output voltage on CANH with bus biasing inactive | V TXD = V CC or V IO , R L = open, C L = open, R CM = open | -0.1 | 0.1 | V | |
| V CANL(INACT) | Bus output voltage on CANL with bus biasing inactive | V TXD = V CC or V IO , R L = open, C L = open, R CM = open | -0.1 | 0.1 | V | |
| V DIFF(INACT) | Bus output voltage on CANH - CANL (recessive) with bus biasing inactive | V TXD = V CC or V IO , R L = open, C L = open, R CM = open | -0.2 | 0.2 | V | |
| I CANH(OS) | Short-circuit steady-state | -3.0V ≤ V CANH ≤ +18.0V, CANL = open, V TXD = 0V | -115 | mA | ||
| I CANL(OS) | output current, Dominant | -3.0V ≤ V CANL ≤ +18.0V, CANH = open, V TXD = 0V | 115 | mA | ||
| I OS_REC | Short-circuit steady-state output current; Recessive | -40V ≤ V BUS ≤ +40V , V BUS = CANH = CANL | -5 | 5 | mA | |
| Receiver Electrical Characteristics | Receiver Electrical Characteristics | Receiver Electrical Characteristics | Receiver Electrical Characteristics | Receiver Electrical Characteristics | Receiver Electrical Characteristics | Receiver Electrical Characteristics |
| V DIFF_RX(D) | Receiver dominant state differential input voltage range, bus biasing active | -12V ≤ V CANL ≤ +12V -12V ≤ V CANH ≤ +12V | 0.9 | 8 | V | |
| V DIFF_RX(R) | Receiver recessive state differential input voltage range, bus biasing active | -12V ≤ V CANL ≤ +12V -12V ≤ V CANH ≤ +12V | -3 | 0.5 | V | |
| V HYS | Hysteresis voltage for input- threshold, normal and selective wake modes | -12V ≤ V CM ≤ 12V | 80 | mV | ||
| V DIFF_RX(D_INA CT) | Receiver dominant state differential input voltage range, bus biasing in-active | -12V ≤ V CANL ≤ +12V -12V ≤ V CANH ≤ +12V | 1.15 | 8 | V | |
| V DIFF_RX(R_INA CT) | Receiver recessive state differential input voltage range, bus biasing in-active | -12V ≤ V CANL ≤ +12V -12V ≤ V CANH ≤ +12V | -3 | 0.4 | V | |
| V CM | Common mode range: | -12 | 12 | V | ||
| I LKG(IOFF) | Power-off (unpowered) bus input leakage current | CANH = CANL = 5V | 5 | μA | ||
| CI powered Normal | Input capacitance to ground (CANH or CANL) | TXD = V CC , V IO = V CC | 20 | pF | ||
| C ID powered Normal | Differential input capacitance | TXD = V CC , V IO = V CC | 10 | pF | ||
| R DIFF | Differential input resistance during passive recessive state | V TXD = V CC or V IO , normal mode: -2.0V ≤ V CANH ≤ +7.0V; -2.0V ≤ V CANL ≤ +7.0V | 18 | 90 | kΩ | |
| R SE_CANH R SE_CANL | Single ended Input resistance during passive recessive state | -2V ≤ V CANH ≤ +7V -2V ≤ V CANL ≤ +7V | 9 | 45 | kΩ |
TCAN844V Absolute Maximum Ratings
over operating free-air temperature range (unless otherwise noted) (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 (CANH, CANL) | -40 | 40 | V |
| V DIFF | Max differential voltage range between CANH and CANL | -12 | 12 | 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 | Operating virtual junction temperature range | -40 | 165 | °C |
| T STG | Storage temperature | -65 | 150 | °C |
TCAN844V Recommended Operating Conditions
| MIN | NOM | MAX | UNIT | ||
|---|---|---|---|---|---|
| V CC | Supply voltage | 4.75 | 5 | 5.25 | V |
| V IO | Supply voltage for I/O level shifter | 2.9 | 5.25 | V | |
| I OH(RXD) | RXD terminal high level output current | -2 | mA | ||
| I OL(RXD) | RXD terminal low level output current | 2 | mA | ||
| T J | Operational free-air temperature (see thermal characteristics table) | -40 | 150 | °C | |
| T SDR | Thermal shutdown | 160 | °C | ||
| T SDF | Thermal shutdown release | 150 | °C | ||
| T SD(HYS) | Thermal shutdown hysteresis | 10 | 10 | 10 | °C |
TCAN844V Thermal Information
| TCAN844(V)-Q1 | TCAN844(V)-Q1 | TCAN844(V)-Q1 | UNIT | ||
|---|---|---|---|---|---|
| THERMAL METRIC | THERMAL METRIC | D (SOIC) | DRB (VSON) | DDF (SOT23) | UNIT |
| R θJA | Junction-to-ambient thermal resistance | 130.1 | 67.7 | 180.5 | °C/W |
| R θJC(top) | Junction-to-case (top) thermal resistance | 72.3 | 77.2 | 94.4 | °C/W |
| R θJB | Junction-to-board thermal resistance | 79.5 | 40.3 | 93.3 | °C/W |
TCAN844V Typical Application
The TCAN844(V)-Q1 transceiver can be used in applications with a host controller or FPGA that includes the link layer portion of the CAN protocol. Figure 8-1 shows a typical configuration for 5V controller applications. The bus termination is shown for illustrative purposes.
TCAN844V Package Information
| PART NUMBER | PACKAGE (1) | PACKAGE SIZE (2) |
|---|---|---|
| TCAN844-Q1 | SOIC (D) | 4.9mm x 6mm |
| TCAN844-Q1 | VSON (DRB) | 3mm x 3mm |
| TCAN844-Q1 | SOT-23 (DDF) | 2.9mm x 2.8mm |
- (2) The package size (length × width) is a nominal value and includes pins, where applicable.
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 |
|---|---|---|
| TCAN844 | Texas Instruments | — |
| TCAN844-Q1 | Texas Instruments | — |
| TCAN844DRQ1 | Texas Instruments | 8-SOIC (0.154", 3.90mm Width) |
| TCAN844V-Q1 | Texas Instruments | — |
| TCAN844VDRQ1 | Texas Instruments | 8-SOIC (0.154", 3.90mm Width) |
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