WS2813 VS WS2815 VS WS2812B Digital Programmable LED Strip

To help people better understand the features between SMD series led strip and difference between them, before introducing WS2813 and WS2815. Let's quickly look at a summarized table first to learn the characteristics between WS2811, WS2812B, WS2813 and WS2815 led strip.

Table1: difference between the WS2811, WS2812B, WS2813 and WS2815 LED strip -Suntechled

Subject	WS2811 LED strip	WS2812B LED strip	WS2813 LED strip	WS2815 LED strip
IC type	External IC	Built-in IC	Built-in IC	Built-in IC
Break continues	No	No	Yes	Yes
Voltage drop	No	Yes	Yes	No
Voltage	DC12V	DC5V	DC5V	DC12V
Reset time	250us	280us	250us	280us
View angle	120°	120°	120°	120°
Frequency	800Hz/s.	400Hz/s.	2000Hz/s.	2000Hz/s.
Color	Addressable RGB	Addressable RGB	Addressable RGB	Addressable RGB
Wires	Positive + Negative + Single Date lines	Positive + Negative + Single Date lines	Positive + Negative +Dual Data lines	Positive + Negative +Dual Data lines

Brief introduction of WS2813 and WS2815

WS2813 LED strip:

The WS2813 strip light is an updated version of the WS2812B, similar to how the WS2812B is an improved version of the WS2811, but with break continue function , while one IC is broken, the signal can still pass through.144LED WS2813 LED Strip Datasheet.pdf

 

WS2815 LED strip:

WS2815 digital light strips is an intelligent control LED light source that the control circuit and RGB chip are integrated into a package of 5050 components. Its internal includes intelligent digital port data latch and signal reshaping amplification drive circuit. Dual-signal wires version, signal break-point continuous transmission. Any pixel’s failure won't affect signal transfer and total emitting effect. WS2815 RGB LED strip datasheet-Suntech.pdf

What is the difference between WS2813 and WS2815 strip light?

Voltage difference

The WS2815 strip light is DC12v input instead of DC5v input, it is the main difference. You may ask why designed like this ? since with 12v input , the WS2815 LED strip can run longer than WS2812B strip light because of less voltage drop.

Please see table below, so you can see clearly the differences and comparison between WS2813 and WS2815 pixel strip light. We choose both 60pixels per meter programmable strip light as examples to compare.

Table 2: Difference between the WS2813 and WS2815 led strip -Suntechled

Subject	WS2813 LED strip	WS2815 LED strip
IC	Built-in IC	Built-in IC
Voltage	DC5v	DC12v
Color	Addressable RGB	Addressable RGB
LED per meter	60 leds/m	60 leds/m
Power consumption	18w/m	18w/m
Wires	Positive + Negative +Dual Data lines	Positive + Negative +Dual Data lines

Signal transmission difference

Please see below signal transmission difference below:

Learn more about addressable LED strip:  

WS2811 VS WS2812B VS WS2813 | SK6812 VS WS2812B VS WS2813 | WS2818 VS WS2811 VS UCS1903 | WS2801 VS WS2811 VS WS2812

Advantage of WS2813 and WS2815 LED strip

In addition to no voltage drop, ws2813 and ws2815 both have many advantages, like dual-signal, break-continues, Built-in IC and so on. Next, let us focus on their common advantages.

Dual-signal, break-continues:

It adopts the scheme of cross-transmission of double signal lines. After one signal is interrupted, the other spare signal line can bypass the fault point and transmit the signal to the next pixel point. In this way, it can be realized that when one lamp bead does not light up on a strip of lights, the other lamp beads can emit light normally. will not affect the overall effect.

Built-in IC: 

WS2815 LED strip is Similar to the 5V WS2813 LED light strips with one data cable and one backup data cable. Signal break-continuous transmission. If one LED is break, the other LEDs can still work well. That means one IC controls one led chip and adopts one-to-one mode. Even if one IC has a problem, it will only affect one LED chip, and other led chip will not being affect. You can control it individually and set them to any color, since each LED chip can have its own color or brightness.

Connectors and Recommand controllers:

Connectors:  

For WS2813 and WS2815 Pixel Strip Dual-signal, 4PIN connector terminal pair  (Red: 5V power, Green: Date line, Blue: standby date line, Black: GND).

Recommand controllers: 

For WS2813 DC5V Led Pixel Strip Dual-signal: T-1000s,T-8000A;T-100K;T-200K;T-300K

For WS2815 DC12V LED Pixels Strip Light Dual-Signal:  it can be controlled by Arduino, Raspberry Pi, Fadecandy, K-1000C, SP105E, SP107E, SP110E, etc.

Different IP Grade:

Depending on the humidity of the application scenario, WS2813 and WS2815 LED strips can generally be divided into several waterproof grades. The most commonly used ones are IP20, IP54 and IP67. Learn more about the waterproof level of light strips: waterproof level definition

 

Applications:

LED flexible light strips are widely used in building outlines, steps, booths, bridges, hotels, KTV decorative lighting, as well as the production of advertising signs, various large-scale animation, calligraphy and painting advertising design, etc. place. With the gradual maturity of LED flexible light bar technology, its application range will be more extensive.a. Widely used in home decoration, hotels, clubs, shopping malls.

Frequently Asked Questions

 1. How does the reset time of the WS2813 compare to that of the WS2815?

    Reset time of ws2813 is 250us, and ws2815 is 250us, nabling the WS2813 LED to work better at lower frequencies and less expensive microcontrollers.

 2. Can the same controller be used for both WS2813 and WS2815?

      Yes,Both WS2812B and WS2813 can use the same controller.

 3.  How do the prices of WS2813 and WS2815 LEDs compare?

      WS2815 is more expensive than ws2813, but only a little more.

 4.  Will the power supply to a WS2813 strip be different from a WS2815 strip?

       Yes, WS2813 is DC5V and need DC5V power supply, WS2815 is DC12V and need power with DC12V driver.

 5. How is the frequency of the WS2815 different from that of the WS2813?

     The frequency of ws2813 and ws2815 are bothe 2KHz.

 6.  How does WS2813 and WS2815 LED Work?

    They all use the single-line return-to-zero code communication method. After the pixel is powered on and reset, the DIN terminal receives the data transmitted from the controller. The 24bit data sent first is extracted by the first pixel and sent to the internal pixel of the pixel. Data latch, the remaining data is shaped and amplified by the internal shaping processing circuit and then forwarded and output to the next cascaded pixel point through the Do port. After the transmission of one pixel point, the signal is reduced by 24 bits. The pixel adopts automatic shaping and forwarding technology, so that the cascaded number of the pixel is not limited by signal transmission, but only limited by the signal transmission speed requirement.

Suntech Addressable SMD LED strip series Product Collection:

The following table summarizes many of Suntech's SMD addressable series products, if you are interested, pleasecc click here for more information or acquire an quotation.

Table 3: Addressable led light strips from Suntech -Suntechled

Item Name	Model	Voltage	IC Type/Feature	Picture	Application
WS2811	ST-WS2811 RGB-60-12V	DC12V	External IC		Advertising Lighting; KTV,Hotel,home decoration; DIY
	ST-WS2811 RGB-60-24V	DC24V	External IC		Advertising Lighting; KTV,Hotel,home decoration; DIY
WS2812	ST-WS2812B-RGB-60-5V	DC5V	Built-in IC		Advertising Lighting; KTV,Hotel,home decoration; DIY
	ST-WS2812B-RGB-144-5V	DC5V	Built-in IC		Advertising Lighting; KTV,Hotel,home decoration; DIY
SK6812	ST-SK6812RGBW-60-5V	DC5V	Built-in IC		Advertising Lighting; KTV,Hotel,home decoration; DIY
WS2813	ST-WS2813RGB-60-5V	DC5V	Built-in IC Break continue		Advertising Lighting; KTV,Hotel,home decoration; DIY
WS2815	ST-WS2815RGB-60-12V	DC12V	Built-in IC Break continue		Advertising Lighting; KTV,Hotel,home decoration; DIY

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