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TJA1028

NXP Semiconductors
Part Number TJA1028
Manufacturer NXP Semiconductors
Description LIN transceiver
Published Mar 10, 2011
Detailed Description TJA1028 LIN transceiver with integrated voltage regulator Rev. 5 — 30 January 2023 Product data sheet 1 General desc...
Datasheet PDF File TJA1028 PDF File

TJA1028
TJA1028

Overview
TJA1028 LIN transceiver with integrated voltage regulator Rev.
5 — 30 January 2023 Product data sheet 1 General description The TJA1028 is a LIN 2.
0/2.
1/SAE J2602 and ISO 17987-4:2016 (12 V) compliant transceiver with an integrated low-drop voltage regulator.
The voltage regulator can deliver up to 70 mA and is available in 3.
3 V and 5.
0 V variants.
TJA1028 facilitates the development of compact nodes in Local Interconnect Network (LIN) bus systems.
To support robust designs, the TJA1028 offers strong ElectroStatic Discharge (ESD) performance and can withstand high voltages on the LIN bus.
In order to minimize current consumption, the TJA1028 supports a Sleep mode in which the LIN transceiver and the voltage regulator are powered down while still having wake-up capability via the LIN bus.
The TJA1028 comes in an SO8 package, and also in a 3 mm × 3 mm HVSON8 package that reduces the required board space by over 70 %.
This feature can prove extremely valuable when board space is limited.
2 Features and benefits • LIN 2.
0/2.
1/2.
2 compliant • SAE J2602 compliant • ISO 17987-4:2016 (12 V) compliant (TJA1028A/B/C/D) • Downward compatible with LIN 1.
3 • Internal LIN responder termination resistor • Voltage regulator offering 5 V or 3.
3 V, 70 mA capability • 2 % voltage regulator accuracy over specified temperature and supply ranges • Voltage regulator output undervoltage detection with reset output • Voltage regulator is short-circuit proof to ground • Voltage regulator stable with ceramic, tantalum and aluminum electrolyte capacitors • Robust ESD performance; ±8 kV according to IEC61000-4-2 for pins LIN and VBAT • Pins LIN and VBAT protected against transients in the automotive environment (ISO 7637) • Very low LIN bus leakage current of < 2 μA when battery not connected • LIN pin short-circuit proof to battery and ground • Transmit data (TXD) dominant time-out function • Thermally protected • Very low ElectroMagnetic Emission (EME) • High ElectroMagnetic Immunity (EM...


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