User Manual

1. GENERAL DISCRIPTION
The SMART KEY ECU is a part of START-STOP BUTTON SYSTEM.
It is possible to output the LF(125kHz) signal by pushing the button of door handle and SSB.
If the button of door handle or SSB button is pressed, SMART KEY ECU output the LF(125kHz) signal.
1)
LF signal output for engine start
SSB button is pressed, SMART KEY ECU output LF signal through the interior LF antenna
2)
LF signal output for door lock/unlock and trunk release
The button of door handle or trunk is pressed, SMART KEY ECU output LF signal thtough the exterior
LF antenna for Fob searching
2.
ELECTRICAL CHARACTERISTICS
Dark current 5mA Max.
Modulation ASK
Operating temperature
-30℃ ~ +75℃
Operating frequency 125KHz
Manual of SMART KEY ECU
Operating voltage 9V ~ 16V
SMART KEY ECUmodel name
for Fob searching.
Product: Smart Key ECU
Model Name: SMK-4E22
3. LF transmitter
- Nominal Frequency: 125kHz
- Oscilator Frequency: 8MHz
- Type of Modulation: ASK
4. SSB Ant.
- Nominal Frequency: 125kHz
- Oscilator Frequency: 8MHz
- Type of Modulation: ASK
* This device was evaluated for RF exposure at 10cm distance in accordance with RSS-102 and SPR-002 regulation.