Electronic module and vehicle having the same
A vehicle electronic module is provided. The vehicle electronic module has a reduced size and improved productivity by replacing a sensor and an offset unit of an electromagnetic interference (EMI) filter module with a printed circuit board (PCB) winding structure. The electronic module includes a sensor that detects EMI noise of a power line and an offset unit that transmits an offset voltage for removing the EMI noise to the power line. A controller is configured to generate the offset voltage that corresponds to the EMI noise detected by the sensor. Then sensor and the offset unit are formed in a stacked structure of the PCB.
1. An electronic module, comprising:
a sensor configured to detect common mode electromagnetic interference (EMI) noise of a power line;
an offset unit configured to transmit an offset voltage for removing the EMI noise to the power line; and
a controller configured to generate the offset voltage that corresponds to the EMI noise detected by the sensor,
wherein the sensor and the offset unit are formed in a stacked structure of a printed circuit board (PCB).
2. The electronic module according to claim 1 , wherein the offset unit includes:
a first winding configured to receive the offset voltage generated by the controller;
a second winding configured to transform the offset voltage and supply the transformed voltage to the power line; and
a core configured to electrically connect the first winding and the second winding.
3. The electronic module according to claim 2 , wherein the offset unit includes:
a first PCB that forms the first winding;
a second PCB that forms the second winding; and
a third PCB configured to electrically connect the first winding and the second winding.
4. The electronic module according to claim 2 , wherein the controller is disposed on a PCB with the first winding or the second winding.
5. The electronic module according to claim 1 , wherein the controller includes a voltage or current amplifying component that is an operational amplifier or a transistor.
6. The electronic module according to claim 1 , wherein the controller includes a resistor and is configured to generate the offset voltage that corresponds to the EMI noise based on the resistor.
7. The electronic module according to claim 1 , wherein a wiring structure is formed on the PCB based on a turn ratio of the offset unit.
8. The electronic module according to claim 1 , wherein the at least one PCB includes an aperture structure configured to electrically connect the PCB and a second PCB.
9. The electronic module according to claim 1 , further comprising a passive component configured to remove the EMI noise.
10. A vehicle, comprising:
a power source configured to supply power to the vehicle;
a power line configured to transmit the power supplied from the power source to the vehicle;
a sensor configured to detect electromagnetic interference (EMI) noise of the power line;
an offset unit configured to transmit an offset voltage for removing the EMI noise to the power line; and
a controller configured to generate the offset voltage that corresponds to the EMI noise detected by the sensor,
wherein the sensor and the offset unit are formed in a stacked structure of a printed circuit board (PCB).
11. The vehicle according to claim 10 , wherein the offset unit includes:
a first winding configured to receive the offset voltage generated by the controller;
a second winding configured to transform the offset voltage and supply the transformed voltage to the power line; and
a core configured to electrically connect the first winding and the second winding.
12. The vehicle according to claim 11 , wherein the offset unit includes:
a first PCB that forms the first winding;
a second PCB that forms the second winding; and
a third PCB configured to electrically connect the first winding and the second winding.
13. The vehicle according to claim 11 , wherein the controller is disposed on one PCB together with the first winding or the second winding.
14. The vehicle according to claim 10 , wherein the controller includes a voltage or current amplifying component that is an operational amplifier or a transistor.
15. The vehicle according to claim 10 , wherein the controller includes a resistor and is configured to generate the offset voltage that corresponds to the EMI noise based on the at least one resistor.
16. The vehicle according to claim 10 , wherein a wiring structure is formed on the PCB based on a turn ratio of the offset unit.
17. The vehicle according to claim 10 , wherein the PCB includes an aperture structure configured to electrically connect the PCB to a second PCB.
18. The vehicle according to claim 10 , further comprising a passive component configured to remove the EMI noise.