UCS7604 LED Strip
Addressable Strip Light Manufacturer & Supplier
The UCS7604 also uses a patented dual decoding engine to monitor 2 channels at the same time, and if any channel signal there is a problem, it will be switched in real time namely break continue function. The RGBW channel output of UCS7604 adopts 65535-level grayscale output and has independent current adjustment function for each channel.
UCS7604 LED is a 4-channel constant-current adjustable driver IC, integrates a dual-wire digital interface, data latch, LED constant current drive and other circuits;which can be input by MCU (SPI controller) with a set of constant current setting and PWM (digital-to-analog conversion, 65536-level brightness adjustment) setting data to UCS7604 LED chip to achieve a variety of dynamic color chasing effects. The VDD pin integrates a 5V voltage regulator tube with stable performance.
UCS7604 PWM is 1600Hz and data transfer speed is 800kbps.
UCS7604 IC Specification PDF Download 
60LEDs UCS7604 Addressable RGBW LED Strip Specification PDF Download
Compared with other external-IC RGBW addressable LED strips (WS2814, TM1814, UCS2904), UCS7604 has a clear upgrade in color fidelity, smoothness, and system robustness. Its 16-bit (65,536-level) grayscale per channel renders ultra-fine dimming that 8-bit, 256-level alternatives can’t match. A high 16K port refresh further minimizes visible flicker, keeping gradients clean to the eye and camera. UCS7604 also integrates dual-signal, break-point-continue redundancy: if a pixel fails, data automatically bypasses the fault so the show keeps running—an advantage absent on TM1814 and UCS2904. The strip’s low voltage-drop design keeps the color and brightness even over long lengths, and its DC24V architecture makes it easier to wire larger installations and distribute power more efficiently. In short, choose UCS7604 when your project demands cinema-grade smoothness, stronger fault tolerance, and consistent output across long lengths.
Click WS2814 vs TM1814 vs UCS2904 vs UCS7604 for more details.
Item: ST-UCS7604-4PIN-5050-RGBW-192-24
LED Qty: 192
Voltage: DC24V
Cutting Unit: 62.5 mm
Power: 16 W/m
Pixel Qty: 16 Pixels
Break Continue: Yes
PCB Width: 20mm
This long distance LED strip can simplify the power wiring and facilitate power planning, and is suitable for many large-scale professional projects.The UCS7604 chip-based addressable LED strip features uninterrupted overall signal transmission even if a single pixel fails.
Item: ST-UCS7604-4PIN-RGBW-60-24
LED Qty: 60
Voltage: DC24V
Cutting Unit: 100 mm
Power: 19.2 W/m
Pixel Qty: 10 Pixels
Break Continue: Yes
PCB Width: 10mm
Our UCS7604 RGBW LED strip has 60leds/m and 10pixels/m at 10mm width PCB. Unlike the UCS2904 LED strip, which is 3 PIN, if one IC is dead, the whole system cannot run, the UCS7604 like WS2815 with data backup function, if one IC is dead, the signal can still pass through.
Item: STB-4PIN-RGBW-144-24V
LED Qty: 144
Voltage: DC24V
Cutting Unit: 41.67 mm
Power: 24 W/m
Pixel Qty: 24 Pixels
Break Continue: Yes
PCB Width: 10mm
Our 24V RGBW addressable LED strips use the UCS7604 IC to control 5050 high-brightness LED chips. Precise control of each pixel’s color, brightness, and dynamic lighting effects. Our 24V RGBW addressable LED strips have 144 LEDs per meter.
For other kinds of pixel LED strips, please click: addressable LED tape light
Suntechlite provides customized LED products. The product below is Custom Black Pixel LED Fiberglass Board UCS7604.
If you have custom requirements, please contact our professional engineering team.
Custom Black Pixel LED Fiberglass Board UCS7604
Parameters Size: 730mm*50mm. Voltage: 12V. Power: Maximum 34W. Color light flow mode 14-24W; white light flow mode 9-15W. Color: RGB+White.
Why Choose Suntechlite UCS7604 RGBW LED Strip?
Suntechlite’s UCS7604 RGBW LED strips significantly outperform similar products in terms of reliability, color consistency, long-distance stability, and engineering maintainability.
Power supply filtering + channel current limiting + dual signal matching/isolation + IC current setting together ensure long-distance stability, color consistency, and high reliability.
| Component (Label) | Function |
|---|---|
| Input Power Protection Capacitor | Input-side decoupling. Absorbs inrush and ripple, stabilizes the 24 V bus, and protects downstream parts. |
| Red Channel Protection Resistor 1 | Series current-limit/ESD protection for the red channel; helps match current and brightness. |
| Green Channel Protection Resistor | Series limit/ESD protection for the green channel; improves surge immunity and consistency. |
| White Channel Protection Resistor | Series limit/ESD protection for the white channel; keeps white CCT and brightness stable. |
| Blue Channel Protection Resistor | Series limit/ESD protection for the blue channel; suppresses spike current and crosstalk. |
| Red Channel Protection Resistor 2 | Second-stage limit/equalization for red (lower Vf); fine-tunes current and prevents overdrive. |
| Dual-Signal 1 Anti-Protection Resistor | Data-line series matching/isolation; improves impedance match, reduces reflections and noise. |
| 5050 RGBW LED | Emitter with independent RGBW channels; dedicated W channel provides clean white and higher CRI. |
| Dual-Signal 2 Anti-Protection Resistor | Second data path matching/isolation for dual-signal redundancy and break-point-continue. |
| Filter Capacitor | Local smoothing/decoupling near the load; absorbs high-frequency spikes to reduce flicker/noise. |
| IC Current Protection Resistor | Sets/limits current for the UCS7604 supply or output path; prevents over-current damage. |
| UCS7604 IC | External 4-channel driver/decoder; dual-data input, PWM RGBW output, high grayscale, and breakpoint-continue. |
| Channel Current Protection Resistor | Segment current limiting/equalization; lowers thermal stress and improves roll-to-roll uniformity. |
| Protection Resistor | Power-side protection/segment limit; helps isolate faults and simplifies maintenance. |
| Cutting Line | Standard cut mark; safe segment cutting while keeping electrical and mechanical integrity. |
Accessories
Connection Cable
