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5.0 × 5.0 mm 4 pins top-emitting

XL-5050RGBWC-2812B

5050 · smd · Xinglight IC-01W (RGBW 5050, 32-bit) · Xinglight

1-wire RGBW 3.5–5.5 V active

Also sold as XL-5050RGBWC-WS2812B, XL-5050 IC-01W

At a glance

Colour
RGBW8 bits per channel
Data
1-wiretimed pulses on one line
Supply
3.5–5.5 Vno backup data line
Size
5.0 × 5.0 × 1.6 mm4 pins · top
Max current
36 mA12 mA per channel
PWM
4 kHzreset 80 µs
Library support
FastLED WLED Adafruit

Datasheets disagree: the file is called WS2812B but the driver is “IC-01W”, sends 32 bits per pixel and has its own timing windows; see the protocol page. Output current: 8 mA RGB / 17 mA W in the feature list, 12 mA in all four columns of the electrical table.

Variants

One row per orderable SKU. Everything not listed is inherited from the part above.

Order codeFaceLensWhite PinsSiliconStatusFirst seenDatasheet
XL-5050RGBWC-2812B — — — 4 — active 2025-10-29 PDF
The only Xinglight SKU with a genuine four-channel 32-bit frame (RGB order text, white last is not stated in words). LCSC stock 1,575 on 2026-10-15.

Pinout

XL-5050RGBWC-2812B
XL-5050RGBWC-2812B 5050 package, top and side viewPin 1 is ringed. pin 1 VCC/VDD (power), pin 2 DOUT (data out), pin 3 GND/VSS (ground), pin 4 DIN (data in).11 VCC/VDDpower22 DOUTdata out33 GND/VSSground44 DINdata in5.4 mm overall5.0 mmtop view1.6 mmside view
  • Power
  • Data
  • Ground
  • Pin 1
  • Cut corner

Outline and pin positions checked against the manufacturer datasheet (C22464516 XL-5050RGBWC-WS2812B p11 (labelled top view and pin table)). Counter-clockwise from the top-left (VDD, DOUT, GND, DIN); cut corner at pin 3 (GND). What this means.

  1. 1 VCC/VDD power
  2. 2 DOUT data out
  3. 3 GND/VSS ground
  4. 4 DIN data in

Protocol — Xinglight IC-01W (RGBW 5050, 32-bit)

Timings shown from datasheet.

Xinglight IC-01W (RGBW 5050, 32-bit) bit timingXinglight IC-01W (RGBW 5050, 32-bit) bit timing: a zero bit is 300 nanoseconds high then 900 low; a one bit is 900 high then 300 low; reset 80 microseconds low1 · Bit encoding, to scaleDINhighlowbit 0 period 1200 nsbit 1 period 1200 nsT0H 300 nsT1H 900 nsT0L 900 nsT1L 300 ns"0" bit"1" bit020040060080010001200140016001800200022002400time, ns2 · One frame: 32 bits, most-significant bit firstDIN1701100100071001101017001011001711000010bitch 1 · 8 bitsch 2 · 8 bitsch 3 · 8 bitsch 4 · 8 bitsChannel order not recorded for this protocol · frame = 32 × ~1200 ns ≈ 38.4 µs · example data, first bits 1 0 1 …3 · RESET / latchlast bits of frame 1first bits of frame 2LEDs latch the data they receivedRESET: DIN low ≥ 80 µs (not to scale)4 · Cascade: each DOUT feeds the next DINMCULED 1DINDOUTLED 2DINDOUTLED NDINDOUTLED 1 keeps the first 32 bits, re-shapes the signal and sends the rest out on DOUT;LED 2 keeps the next 32, and so on. The last LED's DOUT is left unconnected.
T0H 300 / T0L 900 · T1H 900 / T1L 300 ns · period 1200 ns · reset 80 µs source: datasheet

Dating evidence

Nobody announces these parts, so this records what we can actually cite rather than a release date. Library support proves only that the part existed by that date.

  • 2025-10-29 estimate PDF CreationDate metadata of Xinglight sheet XL-5050RGBWC-2812B (LCSC C22464516); the sheet has no revision table, so this is only the date the PDF file was produced ↗ day

Where to buy

Stub data — a few rows so purchase links can grow later. Prices are not tracked.

Similar parts

Same protocol or package first, then the same data scheme and colour channels.

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