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Melexis

TH3044 Datasheet Preview

TH3044 Datasheet

K-Bus Interface

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Open-emitter output with slew rate control
Quiescent current < 50mA
Bus voltage range -16 V .. +30 V
ISO 9141 and OBDII compliant
Wide temperature range -40 .. 125 °C
SOIC14 and SOIC8 package
Baudrate 9600
Automotive applications
TH3044
K-Bus Interface
Pin Diagram
SOIC14NB
1 14 NRXD
2 13 RXD
GND 3
12
VCC 4 TH3044 11 TxD
5 10 SEN/STA
BUS 6
9
VBAT 7
8
SOIC 8
GND 1
8 N.C.
VCC 2
7 RXD
TH3044
BUS 3
6 TxD
VBAT 4
5 SEN/STA
Part No.
TH3044.2A
TH3044
Temperature Suffix
K ( -40ºC to +125ºC )
K ( -40ºC to +125ºC )
Package code
DC-14 ( SOIC14, 150mil )
DC-8 ( SOIC8 , 150mil)
The TH3044 is a bidirectional bus interface
device for data transfer from 5V to 12V
supply.For proper functionality control units
are implemented.
This interface device was especially designed
for automotive applications.
www.DataSheet4U.com
3901003044
Rev. 003
Page 1
Nov/02




Melexis

TH3044 Datasheet Preview

TH3044 Datasheet

K-Bus Interface

No Preview Available !

TH3044
K-Bus Interface
All voltages are referenced to ground (GND). Positive
currents flow into the IC. The absolute maximum ratings
(in accordance with IEC 134) given in the table below are
limiting values that do not lead to a permanent damage
of the device but exceeding any of these limits may do
so. Long term exposure to limiting values may affect the
reliability of the device. Reliable operation of the TH3044
is only specified within the limits shown in ”Operating
conditions”
Operating Conditions
Parameter
Battery Voltage
Supply Voltage
Operating Temperature
Symbol
Min
Typ
Max Unit
VBAT
6
16 V
VCC 4.5
5.5 V
TA -40
125 °C
Absolute maximum ratings
Parameter
Battery Voltage
Battery Current
Supply Voltage
Supply Current
Input Voltage SEN/STA,TxD
Input Current SEN/STA, TxD
Input Voltage BUS
Output Current RxD, NRxD
Operating Temperature
Symbol
Condition
VBAT
IBAT
VCC
ICC
VIN
IIN
T 500 ms
VINBUS
IOUT
TA
T 500 ms
Min
-0.3
-0.3
-10
-16
-10
-40
Max
30
40
20
7
10
VCC+0.3
10
30
40
10
125
Unit
V
mA
V
mA
V
mA
V
mA
°C
www.DataSheet4U.com
3901003044
Rev. 003
Page 2
Nov/02


Part Number TH3044
Description K-Bus Interface
Maker Melexis
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