TJA1043

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© NXP B.V. 2013. All rights reserved.

Product data sheet

Rev. 3 — 24 April 2013

4 of 27

NXP Semiconductors

TJA1043

High-speed CAN transceiver

6.

Pinning information

6.1 Pinning

6.2 Pin description

[1]

For enhanced thermal and electrical performance, the exposed center pad of the HVSON14 package

should be soldered to board ground (and not to any other voltage level).

7.

Functional description

The TJA1043 is a stand-alone high-speed CAN transceiver with a number of operating

modes, fail-safe features and diagnostic features that offer enhanced system reliability

and advanced power management. The transceiver combines the functionality of the

Fig 2.

Pin configuration diagram: SO14

Fig 3.

Pin configuration diagram: HVSON14

TJA1043T

TXD

STB_N

GND

CANH

CANL

RXD

SPLIT

EN

WAKE

INH

ERR_N

015aaa062

1

2

3

4

5

6

7

8

10

9

12

11

14

13

terminal 1

index area

TJA1043TK

TXD

1

GND

2

RXD

4

5

EN

6

INH

7

STB_N

14

CANH

13

CANL

12

SPLIT

11

10

WAKE

9

ERR_N

8

3

015aaa376

Table 3.

Pin description

Symbol

Pin

Description

TXD

1

transmit data input

GND[1]

2

ground supply

3

transceiver supply voltage

RXD

4

receive data output; reads out data from the bus lines

5

supply voltage for I/O level adaptor

EN

6

enable control input

INH

7

inhibit output for switching external voltage regulators

ERR_N

8

error and power-on indication output (active LOW)

WAKE

9

local wake-up input

10

battery supply voltage

SPLIT

11

common-mode stabilization output

CANL

12

LOW-level CAN bus line

CANH

13

HIGH-level CAN bus line

STB_N

14

standby control input (active LOW)