TH8055 Datasheet, PDF (12/15 Pages) Micro Electronics – Single Wire CAN Transceiver

TH8055
Single Wire CAN Transceiver
Application Circuitry
V_BAT
Voltage regulator
V_BAT
+5V
1N4001
2.2uF
100nF
ECU connector to
Single Wire CAN Bus
2.5kOhm
4
RxD
VBAT
5
7
CANH
TH8055
2
MODE0
47µH
9.1kOhm
3
MODE1
6
LOAD
1
TxD
8
GND
Copper Foil
Heat Sink
>25mm²
220pF
ESD Protection -
TPSMA16A or
MMBZ27VCLT1 or
equivalent - if needed
Figure 5 - Application Circuitry
V_BAT
100nF
CAN
Controller
TX0
RX0
NSTB
EN
CANH
TH8055
9.1k; 1%
RTH
47µH
220pF
47µH
220pF
CANH
9.1k; 1%
TH8055
RTH
100nF
V_BAT
TX0
RX0
NSTB
EN
CAN
Controller
Figure 6 - CAN Network Circuitry
390108055
Rev. 1.1a
Page 12 of 15
Jan 2002