Part Verification and Datasheet Review

Thought for 3 mins 42 sec

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Here’s a complete, step‑by‑step review and verification for this part project.

Step 1 — Available part information (from the project)

MPN: TJA1051T/3,118
Manufacturer: NXP
Description: CAN Interface IC Hi Spd CAN Transcvr 4.5V-5.5V 250ns
Part type: Integrated Circuits
Datasheet: Datasheet
Schematic symbol pins present (8 total):
- TXD, RXD, VCC, GND, CANH, CANL, VIO, S
Footprint in project: defaultFootprint with 8 pads named to match pins (no package geometry details exposed)

Step 2 — Datasheet presence check

A datasheet URL is already set. No changes required.

Step 3 — Datasheet scan and metadata extraction

Key features

ISO 11898-2:2016 and SAE J2284-1 to J2284-5 compliant
Timing guaranteed for data rates up to 5 Mbit/s (CAN FD fast phase)
Suitable for 12 V and 24 V systems
Low EME and high EMI robustness; high ESD handling on bus pins
VIO pin on “/3” variants (this project’s MPN) enables direct 3 V to 5 V MCU interfacing
Zero-load bus behavior when unpowered; undervoltage detection on VCC and VIO
TXD dominant time‑out; thermal protection
Packages: SO8 (SOT96‑1) or HVSON8 (SOT782‑1)

Absolute maximum ratings (limiting values)

Voltage on CANH, CANL: −58 V to +58 V
Voltage on any other pin: −0.3 V to +7 V
Voltage between CANH and CANL: −27 V to +27 V
Transient (automotive pulses) on CANH/CANL: pulse 1 −100 V; pulse 2a +75 V; pulse 3a −150 V; pulse 3b +100 V
ESD:
- IEC 61000‑4‑2 at CANH/CANL: −8 kV to +8 kV
- HBM at CANH/CANL: −8 kV to +8 kV; other pins: −4 kV to +4 kV
- MM any pin: −300 V to +300 V
- CDM: corner pins −750 V to +750 V; any pin −500 V to +500 V
Virtual junction temperature: −40 °C to +150 °C
Storage temperature: −55 °C to +150 °C

Recommended operating conditions

VCC: 4.5 V to 5.5 V
VIO (for “/3” variants): 2.8 V to 5.5 V
Ambient/junction range per electrical tables; all voltages referenced to GND; positive currents flow into IC

Selected electrical characteristics

Supply current ICC (Normal mode; bus recessive): min 2.5 mA, typ 5 mA, max 10 mA
VIO supply (TJA1051T/3, TJA1051TK/3):
- VIO: 2.8 V to 5.5 V
- IIO (Normal/Silent): recessive typ 80 µA (max 250 µA); dominant typ 350 µA (max 500 µA)
- VIO undervoltage detect: min 1.3 V, typ 2.0 V, max 2.7 V
TXD input thresholds:
- VIH: 0.7·VIO to VIO+0.3 V
- VIL: −0.3 V to 0.3·VIO
RXD output drive:
- HIGH at VRXD = VIO − 0.4 V: −8/−3/−1 mA (min/typ/max)
- LOW at VRXD = 0.4 V (bus dominant): 2/5/12 mA (min/typ/max)
Bus levels (Normal mode, VTXD = 0, t bus dominant: 65 ns
- TXD->bus recessive: 90 ns
- bus dominant->RXD: 60 ns
- bus recessive->RXD: 65 ns
- TXDL->RXDL (VIO variants): min 40 ns, max 250 ns
- TXDH->RXDH (VIO variants): min 40 ns, max 250 ns
Max data rate: 5 Mbit/s (CAN FD fast phase)
Protection:
- TXD dominant time‑out tto(dom)TXD: 0.3 ms to 5 ms (typ 1 ms)
- Thermal shutdown Tj(sd): typ 190 °C
- Dominant short‑circuit output current (VTXD=0, t

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