TH3122
K-Bus Transceiver with integrated Voltage
Regulator
Features and Benefits
K-Bus Transceiver:
PNP-open emitter driver with slew rate control and current limitation BUS input voltage -24V .
.
.
30V (independently of VS) ISO 9141 and ODBII compliant Possibility of BUS wake up Operating voltage VS = 5.
5 .
.
.
16 V
Pin Diagram SOIC16
VS EN VTR GND GND BUS SI SO
1 16
VCC SENSE RESET GND GND TxD RxD SEN/STA
2
15
3
14
4
13
TH3122
5 12 6 11
7
10
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Very low standby current consumption 100 µ A in normal mode ( 50 µ A in sleep mode) Linear low drop voltage
regulator: Output voltage 5V± 2% Output current max.
100mA Output current limitation Overtemperature shutdown
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