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TH3122

Features: `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`Very low standby current consumption <100 A i...

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SeekIC No. : 004518527 Detail

TH3122: Features: `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 ...

TH3122 Data Sheet

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Part Number:
TH3122
Supply Ability:
5000

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  • Qty
  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Product Details

Description



Features:

`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
`Very low standby current consumption <100 A in normal mode (< 50 A in sleep mode)
`Linear low drop voltage regulator:
* Output voltage 5V± 2%
* Output current max. 100mA
* Output current limitation
`Overtemperature shutdown
`Configurable reset time (15ms/100ms) and reset threshold voltage (3.15V / 4.65V)
`Low voltage detection at VS
`Wake-up by K-BUS traffic and start-up capable independent of EN voltage level
`Universal comparator with an input voltage range 24V . 30V and digital output
`Load dump protected (40V)


Pinout

Connection Diagram


Specifications

Parameter
Symbol
Condition
Min
Max
Unit
Supply voltage at VS [2]
VS
-1.0
16
V
T 1min
-
30
T 500 ms
-
40
Input voltage at pin BUS [2]
VINBUS
-24
30
T 500 ms
-
40
Difference VS-VCC
VS-VCC
-0.3
40
Input voltage at pin EN and SI
VINENSI
-0.3
VS+0.3
Input voltage at pin VTR, TxD, SEN/STA, SO, RESET, SENSE
VIN
-0.3
VCC+0.3
Input current at pin EN, VTR, SI, SO, SEN/STA, TxD,
RxD,RESET, SENSE
IIN
-25
25
mA
Input current for short circuit of pin VS and VCC
IShort
-500
500
mA
Power dissipation
P0
Internal limited [3] [4]
mW
Thermal resistance from junction to ambient
RTHJA
50
K/W
Junction temperature [4]
TJ
150
Storage temperature
TSTG
-55
150

[1] Junction temperature is defined in IEC 747-1
[2] The current and voltage values are valid independent from each other.
[3] The maximum power dissipation is defined by the ambient temperature and the thermal resistance. It can be calculated with P0 =(VS-VCC)*IVCC+PBUS. PBUS is the BUS driver output with normally 25 mW
[4] see over temperature protection




Description

The TH3122 consists of a low drop voltage regulator 5V/100mA and a K-Bus transceiver. The transceiver TH3122 is suitable for K-Bus systems conform to ISO 9141.

The TH3122 combination of voltage regulator and bus transceiver in combination with the monitoring functions make it possible to develop simple, but powerful and cheap nodes in K-Bus systems.The wide output current area and the configurable reset time and reset voltage works together with many different microcontrollers.




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