TJA1055
NXP Semiconductors
Enhanced fault-tolerant CAN transceiver
+12 V
+5 V
10 µF
V
INH
BAT
14
CC
8
RTH
1 nF
125 Ω
1
10
WAKE
7
2
5
6
3
500 Ω
TXD
STB
1 nF
1 nF
CANL
CANH
12
11
+3.3 V
TJA1055T/3
GENERATOR
EN
2.5
kΩ
500 Ω
RXD
RTL
9
125 Ω
1 nF
4
13
GND
10 pF
ERR
001aac935
The waveforms of the applied transients on pins CANH and CANL will be in accordance with
“ISO 7637 part 1”: test pulses 1, 2, 3a and 3b.
Fig 8. Test circuit for automotive transients (TJA1055T/3)
V
BAT
V
+5 V
DD
5 V CAN CONTROLLER
CTX0 CRX0 Px.x Px.x Px.x
TXD RXD STB ERR EN
INH
2
3
5
4
6
1
WAKE
BAT
7
14
10
13
V
CC
TJA1055T
CAN TRANSCEIVER
100 nF
GND
8
11
CANH
12
CANL
9
RTH
RTL
CAN BUS LINE
001aac936
For more information: refer to the separate FTCAN information available on our web site.
Fig 9. Application diagram
TJA1055_4
© NXP B.V. 2009. All rights reserved.
Product data sheet
Rev. 04 — 17 February 2009
18 of 26
NXP [ NXP ]
