Share to:
SM16804PB
SM16804PB
| Part Number | SM16804PB |
|---|---|
| Manufacturer | SunMoon Microelectronics |
| Category | Integrated Circuits (ICs) > Power Management (PMIC) > LED Driver ICs |
| Description | 4-Channel RGBW Constant Current LED Driver IC, Single-wire SID Protocol, 5~24V Wide Voltage, SOP-8 Package, Support Infinite Cascading for RGBW Lighting Projects. |
| Stock Status | In Stock |
| Origin | Original Factory |
Product Overview
The SM16804PB is a single-wire 4-channel RGBW constant current LED driver IC by SunMoon Microelectronics. It supports unlimited cascading to simplify PCB layout, delivers 65536-level grayscale with GAMMA correction, and features built-in 4kHz SM-PWM to eliminate screen flicker. Integrated data reshaping reduces long-distance signal attenuation. Operating on 5~24V power supply, each channel output current ranges from 1.8mA to 19mA(default:19mA). Packaged in SOP8, it is widely applied to RGBW light strips, point light sources, building contour lighting and decorative lighting.
Core Advantages
Wide Operating Voltage Input
5V~24V wide DC input with built-in power clamp module, compatible with mainstream lighting power adapters.
Single-Wire Cascading Architecture
Single-wire SID zero return code communication supports unlimited cascading; internal data reshaping prevents long-distance signal attenuation.
High Grayscale & Anti-Flicker PWM
65536 grayscale levels with GAMMA correction; max 4kHz refresh rate eliminates shooting flicker.
Adjustable Constant Current Output
4-bit gain control offers 16-level current adjustment (1.8mA~19mA) for consistent LED brightness.
Key Specifications
| Brand | SunMoon Microelectronics |
|---|---|
| RoHS Status | RoHS Compliant / Lead-Free / Green |
| EDA/CAD | Symbol, Footprint & 3D Model Available |
| Warranty | 1-Year Standard Quality Warranty |
| Package / Case | SOP8 Package |
| Mounting Type | Surface Mount Device (SMD/SMT) |
| Surface Marking / Silkscreen | SM16804PB Marking |
| Driver Type | 4-Channel RGBW Constant Current LED Driver IC |
| Supply Voltage Range (VDD) | 5 V to 24 V DC (Built-in Power Supply Clamp Module) |
| Output Channel | 4 Channels (OUT R / OUT G / OUT B / OUT W) |
| Output Current Range | 1.8mA ~ 19mA per channel (Default:19mA, 16 adjustable levels) |
| Grayscale Level | 65536 levels, support GAMMA correction |
| PWM Refresh Rate | Up to 4kHz (SM-PWM technology) |
| Communication Protocol | Single-wire SID Zero Return Code, Baud Rate:800Kbps |
| Output Port Withstand Voltage | 26V (OUT Ports) |
| Power-up State | All outputs OFF by default |
| Operating Temperature Range | -40°C to +85°C |
| Packaging Format | Tape & Reel Anti-Static Packaging |
Typical Applications
- RGBW digital light strips and pixel modules
- Point light source, landscape decorative lighting
- Building outline lighting, commercial architectural lighting
- Smart home colorful lighting and stage decorative lights
Order & Shipping Info
| Minimum Order Quantity (MOQ) | 1 Piece |
|---|---|
| Shipping Time | Shipped within 1-2 business days |
| Delivery Time | 3-7 working days worldwide |
| Shipping Methods | DHL, UPS, FedEx, EMS |
| Payment Methods | T/T (Bank Transfer), PayPal, Credit Card, Western Union |
Technical Support
For datasheet, sample requests, stock check, or bulk pricing, please use the Quick Inquiry form. We will reply within 24 hours.
Frequently Asked Questions
Q1: What is the difference between SM16804PB and ordinary 3-channel RGB LED driver IC?
A: SM16804PB is a 4-channel RGBW driver equipped with an independent white light channel. It supports warm white and cool white mixing for high-CRI lighting. Common 3-channel RGB drivers do not have a separate white output channel.
Q2: Can SM16804PB support infinite cascading? Any wiring suggestions?
A: Infinite cascading is supported theoretically. Shielded cable is recommended for long-distance wiring. Add signal driving circuit if signal distortion appears. DIN serves as signal input, and DOUT connects to the DIN pin of the next chip.
Q3: What precautions are required for SM16804PB power supply design?
A: The operating voltage range is 5V~24V. Avoid voltage over 24V, otherwise the chip will be permanently damaged. Install filter capacitors close to the VDD and GND pins to reduce power supply noise.
Q4: Is SM16804PB compatible with WS2812 LED driver IC?
A: They cannot work directly compatibly. SM16804PB adopts SID single-wire protocol, while WS2812 uses different signal timing. The controller firmware needs separate adaptation and cannot be used interchangeably without modification.
Q5: How to adjust the output current of each channel on SM16804PB?
A: Users can set current via 4-bit gain data transmitted by dedicated protocol. The adjustable range is 1.8mA~19mA, with factory default maximum output of 19mA per channel.
Q6: Are there any alternative compatible models for SM16804PB?
A: If you need replacement solutions, you can refer to SM16804 series derivative models. Please note most alternative ICs use different communication protocols and parameters. You need to verify pin definition, supply voltage and controller program before replacement. Contact us for technical support to confirm suitable substitutes according to your project.
Related Products
