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TJA1041A

High speed CAN transceiver

Philips Electronics 

Philips Semiconductors

High speed CAN transceiver

Product specification

TJA1041A

FEATURES

Optimized for in-vehicle high speed communication

• Fully compatible with the ISO 11898 standard

• Communication speed up to 1 Mbit/s

• Very low ElectroMagnetic Emission (EME)

• Differential receiver with wide common-mode range,

offering high ElectroMagnetic Immunity (EMI)

• Passive behaviour when supply voltage is off

• Automatic I/O-level adaptation to the host controller

supply voltage

• Recessive bus DC voltage stabilization for further

improvement of EME behaviour

• Listen-only mode for node diagnosis and failure

containment

• Allows implementation of large networks (more than

110 nodes).

Low-power management

• Very low-current in standby and sleep mode, with local

and remote wake-up

• Capability to power down the entire node, still allowing

local and remote wake-up

• Wake-up source recognition.

Protection and diagnosis (detection and signalling)

• TXD dominant clamping handler with diagnosis

• RXD recessive clamping handler with diagnosis

• TXD-to-RXD short-circuit handler with diagnosis

• Over-temperature protection with diagnosis

• Undervoltage detection on pins VCC, VI/O and VBAT

• Automotive environment transient protected bus pins

and pin VBAT

• Short-circuit proof bus pins and pin SPLIT (to battery

and to ground)

• Bus line short-circuit diagnosis

• Bus dominant clamping diagnosis

• Cold start diagnosis (first battery connection).

GENERAL DESCRIPTION

The TJA1041A provides an advanced interface between

the protocol controller and the physical bus in a Controller

Area Network (CAN) node. The TJA1041A is primarily

intended for automotive high-speed CAN applications (up

to 1 Mbit/s). The transceiver provides differential transmit

capability to the bus and differential receive capability to

the CAN controller. The TJA1041A is fully compatible to

the ISO 11898 standard, and offers excellent EMC

performance, very low power consumption, and passive

behaviour when supply voltage is off. The advanced

features include:

• Low-power management, supporting local and remote

wake-up with wake-up source recognition and the

capability to control the power supply in the rest of the

node

• Several protection and diagnosis functions including

short circuits of the bus lines and first battery connection

• Automatic adaptation of the I/O-levels, in line with the

supply voltage of the controller.

ORDERING INFORMATION

TYPE

NUMBER

TJA1041AT

TJA1041AU

NAME

SO14

−

PACKAGE

DESCRIPTION

plastic small outline package; 14 leads; body width 3.9 mm

bare die; 1920 × 3190 × 380 µm

VERSION

SOT108-1

−

2004 Feb 20

2

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