Multi-channel control method for light strip
An electronic assembly with multi-channel outputs may include a controller and a driver. The controller may be configured to gate m channels of outputs thereof. The driver may be configured to provide n channels of modulated signal to the controller via n wires. The n is less than m. A lighting device using the electronic assembly may further include a plurality of lighting units. The driver may include a wireless communication module to receive control signal, and the driver is configured to modulate the input DC signal based on the control signal. The n wires may be aligned along a width direction of the substrate at the end of the substrate.
1. An electronic assembly with m channels of outputs, comprising:
a controller configured to gate the m channels of outputs thereof; and
a driver configured to provide n input channels of modulated input signal to the controller via n wires to control the m output channels,
wherein the controller is configured to gate the m channels of outputs based on a characteristic of the n channels of modulated input signal,
wherein the characteristics are selected from a group including at least one of voltage and current, and
wherein n is less than m.
2. The electronic assembly of claim 1 , wherein them channels of outputs of the controller are coupled to a plurality of loads.
3. The electronic assembly of claim 2 , wherein the electronic assembly is included in a lighting device and at least one of the plurality of loads is LED.
4. The electronic assembly of claim 2 , wherein the controller and the plurality of loads are mounted on a flexible substrate.
5. The electronic assembly of claim 4 , wherein the controller is mounted on one end of the substrate.
6. The electronic assembly of claim 5 , wherein the n wires are aligned along a width direction of the substrate at the end thereof.
7. The electronic assembly of claim 1 , wherein the driver comprises a converter configured to modulate input DC signal to generate the n channels of modulated input signal.
8. The electronic assembly of claim 1 , wherein the driver further comprises a communication module configured to receive control signal.
9. The electronic assembly of claim 8 , wherein the n channels of modulated input signal is generated based on the control signal.
10. The electronic assembly of claim 1 , wherein the characteristic is voltage.
11. The electronic assembly of claim 1 , wherein the characteristic is a combination of voltage and current.
12. The electronic assembly of claim 1 , wherein the controller comprises at least one decoder to gate the m channels of outputs based on the n channels of modulated input signal.
13. The electronic assembly of claim 7 , wherein the converter is DC-DC converter.
14. The electronic assembly of claim 2 , wherein each channel of the m channels of outputs is coupled to at least one of the plurality of loads.
15. The electronic assembly of claim 8 , wherein the communication module is a wireless communication module.
16. The electronic assembly of claim 15 , wherein the control signal is received from communication network via the wireless communication module.
17. The electronic assembly of claim 7 , further comprising an adapter configured to convert AC supply to the input DC signal.
18. A lighting device, comprising:
a substrate;
a controller mounted on one end of the substrate, including m channels of outputs;
a driver configured to provide n input channels of modulated input signal to the controller via n wires to control the m output channels, comprising a communication module configured to receive control signal, wherein the driver is configured to generate the n channels of modulated signal based on the control signal; and
a plurality of lighting units coupled to the m channels of outputs of the controller,
wherein n is less than m,
wherein the n wires are aligned along a width direction of the substrate at the end of the substrate,
wherein the controller is configured to gate the m channels of outputs based on a correspondence between the at least one of the characteristics of the n channels of modulated signal and m channels of output signal, and
wherein the characteristics are selected from a group consists of voltage, current and a combination thereof.
19. A lighting device, comprising:
a substrate;
a controller mounted on one end of the substrate, including m channels of outputs;
a driver configured to provide n input channels of modulated input signal to the controller via n wires to control the m output channels, comprising a communication module configured to receive control signal, wherein the driver is configured to generate the n input channels of modulated input signal based on the control signal; and
a plurality of lighting units coupled to the m channels of outputs of the controller,
wherein the controller further comprises at least one decoder to gate the m channels of outputs based on the n channels of modulated signal,
wherein each input channel controls m output channels,
wherein the controller is configured to gate the m channels of outputs based on a characteristic of the n channels of modulated input signal,
wherein the characteristics are selected from a group including at least one of voltage and current,
wherein n is less than m, and
wherein the n wires are aligned along a width direction of the substrate at the end of the substrate.
20. The electronic assembly of claim 7 , wherein the driver further comprises a communication module configured to receive control signal.
21. The electronic assembly of claim 20 , wherein the n channels of modulated signal is generated based on the control signal.
22. The electronic assembly of claim 21 , wherein the characteristic is voltage.
23. The electronic assembly of claim 22 , wherein the characteristic is a combination of voltage and current.
24. The electronic assembly of claim 20 , wherein the communication module is a wireless communication module.
25. The electronic assembly of claim 24 , wherein the control signal is received from communication network via the wireless communication module.