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Beking 12 mA single-wire IC (1615)

1-wire RGB · Beking Optoelectronics · beking

Channels
RGB
Bits / channel
8
Supply
3.5–7.5 V
PWM
4 kHz
Backup data
no
Packages
1

The 1615 Beking part uses a different IC from the 1010, 1209 and 3233 parts (timing table differs), so it is kept apart from beking-sid. Beking’s own words: ‘this model is a 3-channel LED driver IC with an MCU digital interface, data latch and LED drive’.

Refresh & flicker

Logic supply 3.5-7.5 V (absolute maximum), RGB output pin 9 V, ESD 4 kV (IC), default drive 12 mA, default off at power-up, 256 grey levels, built- in oscillator, data reshaped and forwarded; 24 bit per pixel G, R, B, MSB first. ‘Data protocol compatibility is high’ (feature list).

Timing

Beking 12 mA single-wire IC (1615) bit timingBeking 12 mA single-wire IC (1615) bit timing: a zero bit is 295 nanoseconds high then 595 low; a one bit is 595 high then 295 low; tolerance plus or minus 50 nanoseconds; reset 80 microseconds low1 · Bit encoding, to scaleDINhighlowbit 0 period 890 nsbit 1 period 890 nsT0H 295 ±50 nsT1H 595 ±50 nsT0L 595 ±50 nsT1L 295 ±50 ns"0" bit"1" bit02004006008001000120014001600time, ns± tolerance on each falling edge2 · 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 × ~890 ns ≈ 21.4 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 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 295 / T0L 595 · T1H 595 / T1L 295 ns · ±50 ns · period 890 ns · reset 80 µs source: datasheet
SourceT0HT0LT1HT1LPeriodRateReset±
datasheet ↗ 295 ns 595 ns 595 ns 295 ns 890 ns 1124 kHz 80 µs 50 ns
Reset >=80 us also in the cascade figure.

Clones & compatibility

“Compatible” is never stated bare here — each relationship carries how strong the claim is, and what bites if you assume too much.

Library support

Not checked against FastLED, Adafruit or WLED source.

Parts using this protocol

Dating evidence

Evidence, not a release date. A library commit proves the part existed by that date and says nothing about how long before.

  • 2024-08-12 datasheet revision Beking BQ-1615GRBH-M5 specification, 'Issue Date 2024.08.12', REV 01 ↗ day