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size not recorded 4 pins side-emitting

WS2812E-4020

4020 · smd · WS2812E · WorldSemi

1-wire RGB 3.7–5.3 V active

Also sold as WS2812E 4020

At a glance

Colour
RGB8 bits per channel
Data
1-wiretimed pulses on one line
Supply
3.7–5.3 Vno backup data line
Size
—4 pins · side
Max current
37.5 mA12.5 mA per channel
PWM
2 kHzreset 280 µs
Library support
FastLED WLED Adafruit

WS2812E in the side-view 4020. The sheet shows only the pin-order strip (pads 1-4 in a row), not a dimensioned outline, so dimensions are left null.

Variants

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

Order codeFaceLensWhite PinsSiliconStatusFirst seenDatasheet
WS2812E-4020 — — — 4 — active unknown PDF
Stock 5,235 when checked.

Pinout

WS2812E-4020
WS2812E-4020 4020 package, top and side viewPin 1 is ringed. pin 1 DIN (data in), pin 2 VDD (power), pin 3 DOUT (data out), pin 4 VSS (ground).11 DIN22 VDD33 DOUT44 VSS4.0 mm2.0 mmfront view (lens face)
  • Data
  • Power
  • Ground
  • Pin 1

Outline and pin positions checked against the manufacturer datasheet (WS2812E-4020 sheet p2). Light leaves the lens face; pads sit in one row on the mounting edge. What this means.

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

Protocol — WS2812E

Timings shown from datasheet.

WS2812E bit timingWS2812E bit timing: a zero bit is 300 nanoseconds high then 790 low; a one bit is 790 high then 790 low; reset 280 microseconds low1 · Bit encoding, to scaleDINhighlowbit 0 period 1090 nsbit 1 period 1580 nsT0H 300 nsT1H 790 nsT0L 790 nsT1L 790 ns"0" bit"1" bit02505007501000125015001750200022502500time, nsDatasheet lists unequal bit periods (1090 vs 1580 ns); each bit is drawn with its own.2 · One frame: 24 bits, most-significant bit firstDIN170110010007100110101700101100bitch 1 · 8 bitsch 2 · 8 bitsch 3 · 8 bitsChannel order not recorded for this protocol · frame = 24 × ~1580 ns ≈ 37.9 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 ≥ 280 µs (not to scale)4 · Cascade: each DOUT feeds the next DINMCULED 1DINDOUTLED 2DINDOUTLED NDINDOUTLED 1 keeps the first 24 bits, re-shapes the signal and sends the rest out on DOUT;LED 2 keeps the next 24, and so on. The last LED's DOUT is left unconnected.
T0H 300 / T0L 790 · T1H 790 / T1L 790 ns · reset 280 µs source: datasheet

Compatibility

  • protocol compatible WS2812B-V5

    Identical datasheet timing windows, pin count (4) and supply range. Independent measurement has not been done; E and B differ in IC drive current (12-12.5 mA) and packages (the E exists in 1313, 2020, 2427, 3535-class MINI and 4020). source ↗

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.

  • 2021-03-17 datasheet revision WorldSemi WS2812E-1313 datasheet (LCSC C5446700) Modify Record: 'V1.0 N New 20210317' ↗ 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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