2724 Full color RGB LED Built-in Low-Power IC
WEJ 2724 Full color RGB LED Built-in Low-Power IC
Redefining Power Budgets for Precision Systems with 8.4μA Standby Current
In modern electronic system design, standby power consumption and thermal management stand as core challenges for engineers. For battery-powered portable devices, smart wearables, and consumer electronics, standby power directly dictates overall battery runtime. Meanwhile, in industrial automation, HVAC control panels, and precision instrumentation, continuous static current not only wastes energy but also causes localized heat buildup. This thermal accumulation can trigger temperature drift (thermal drift) in sensitive onboard components, severely compromising signal acquisition accuracy and system stability.
Traditional RGB full-color indication schemes often employ external driver ICs. Even when the main system enters a sleep or standby mode, the driver circuitry continues to draw milliampere-level (mA) current, acting as a significant hidden energy drain. To thoroughly address this pain point, WEJ has introduced its built-in driver IC low-power RGB LED— 2724 RGB LED with Low-Power IC . By integrating the control and driver chip directly into the LED package and reconstructing the underlying circuitry, standby static current has been drastically reduced to the microampere (μA) level, expanding the power design boundaries for precision systems.
I. Core Technical Advantages
1. Microampere-Level Ultra-Low Standby Current (8.4μA)
At VDD=5V in standby mode, the device's static current (IDD_STB) typically measures just 8.4μA. This represents a 98%+ reduction compared to traditional external driver solutions (~1.6mA), effectively eliminating unnecessary idle power consumption at the source.
At VDD=5V in standby mode, the device's static current (IDD_STB) typically measures just 8.4μA. This represents a 98%+ reduction compared to traditional external driver solutions (~1.6mA), effectively eliminating unnecessary idle power consumption at the source.
2. Integrated Built-in IC Design, Optimizing PCB Real Estate
By embedding the driver IC inside the 2724 LED package, the product supports single-wire data transmission and independent single-pixel addressing. Reducing the requirement for external passive components simplifies PCB routing, frees up valuable board space, and lowers the overall BOM cost.
By embedding the driver IC inside the 2724 LED package, the product supports single-wire data transmission and independent single-pixel addressing. Reducing the requirement for external passive components simplifies PCB routing, frees up valuable board space, and lowers the overall BOM cost.
3. Mitigating Thermal Accumulation & Reducing Sensor Drift Risks
Thanks to its microampere standby performance, the LED generates virtually zero heat when idle. This prevents heat stacking in high-density multi-LED layouts and eliminates thermal interference with nearby precision sensors, fundamentally reducing measurement errors caused by temperature drift.
Thanks to its microampere standby performance, the LED generates virtually zero heat when idle. This prevents heat stacking in high-density multi-LED layouts and eliminates thermal interference with nearby precision sensors, fundamentally reducing measurement errors caused by temperature drift.
4. Wide Voltage Supply Compatibility & Stable Load Performance
Supporting a wide input voltage range of 3.0V to 5.2V, the LED seamlessly interfaces with mainstream low-voltage MCUs, digital electronic controls, and industrial motherboards. The built-in power management mechanism ensures excellent load stability during high-frequency switching or high-density deployments, relieving transient stress on the power delivery network.
Supporting a wide input voltage range of 3.0V to 5.2V, the LED seamlessly interfaces with mainstream low-voltage MCUs, digital electronic controls, and industrial motherboards. The built-in power management mechanism ensures excellent load stability during high-frequency switching or high-density deployments, relieving transient stress on the power delivery network.
5. Superior Optoelectronic Performance & High Color Saturation
Tested at a driving current of 12mA, all three RGB channels exhibit exceptional luminous efficiency. The green light reaches an impressive brightness of 1400 – 1700mcd, complemented by robust red and blue outputs. Paired with a wide 120° viewing angle, it delivers uniform, highly saturated color mixing and crisp visual indication.
Tested at a driving current of 12mA, all three RGB channels exhibit exceptional luminous efficiency. The green light reaches an impressive brightness of 1400 – 1700mcd, complemented by robust red and blue outputs. Paired with a wide 120° viewing angle, it delivers uniform, highly saturated color mixing and crisp visual indication.
II. Main Technical Specifications
- Product Model: WEJT2724ARGB0W-BE81840-IC3
- Viewing Angle: 120°
- Supply Voltage (VDD): 3.0 – 5.2 V
- Static Operating Current (IDD): Typ. 0.25 mA (Test Conditions: VDD=5V, IOUT "ON")
- Standby Static Current (IDD_STB): Typ. 8.4 μA (Test Conditions: VDD=5V, Standby State)
- Red Light Performance: Wavelength 620 – 630 nm / Luminous Intensity 500 – 1000 mcd (@12mA)
- Green Light Performance: Wavelength 515 – 530 nm / Luminous Intensity 1400 – 1700 mcd (@12mA)
- Blue Light Performance: Wavelength 460 – 475 nm / Luminous Intensity 400 – 600 mcd (@12mA)
- Viewing Angle: 120°
- Supply Voltage (VDD): 3.0 – 5.2 V
- Static Operating Current (IDD): Typ. 0.25 mA (Test Conditions: VDD=5V, IOUT "ON")
- Standby Static Current (IDD_STB): Typ. 8.4 μA (Test Conditions: VDD=5V, Standby State)
- Red Light Performance: Wavelength 620 – 630 nm / Luminous Intensity 500 – 1000 mcd (@12mA)
- Green Light Performance: Wavelength 515 – 530 nm / Luminous Intensity 1400 – 1700 mcd (@12mA)
- Blue Light Performance: Wavelength 460 – 475 nm / Luminous Intensity 400 – 600 mcd (@12mA)
III. Typical Application Scenarios
1. Smart Home & HVAC Controls: Wall-mounted human-machine interfaces such as underfloor heating control panels, smart switches, and thermostats that remain powered 24/7 and spend long periods in standby mode.
2. Industrial Automation & Precision Instruments: IPC panels and laboratory analysis equipment status indicators, preventing driver heat from drifting precision sensor measurements.
3. Environmental & Health Appliances: Function status indicators for air purifiers, water filtration systems, and fresh air ventilation units, meeting low-energy, high-reliability design standards.
4. Portable & Battery-Powered Devices: Handheld testing instruments, portable medical equipment, and outdoor electronic terminals, maximizing single-charge operational life.
5. Consumer Electronics & Wearables: Smart bands and smart hardware ambient or status indicators, enabling full-color programmable effects within highly memory- and space-constrained PCB layouts.
2. Industrial Automation & Precision Instruments: IPC panels and laboratory analysis equipment status indicators, preventing driver heat from drifting precision sensor measurements.
3. Environmental & Health Appliances: Function status indicators for air purifiers, water filtration systems, and fresh air ventilation units, meeting low-energy, high-reliability design standards.
4. Portable & Battery-Powered Devices: Handheld testing instruments, portable medical equipment, and outdoor electronic terminals, maximizing single-charge operational life.
5. Consumer Electronics & Wearables: Smart bands and smart hardware ambient or status indicators, enabling full-color programmable effects within highly memory- and space-constrained PCB layouts.
Conclusion
The WEJ 2724 Low-Power IC LED strikes an optimal balance between optoelectronic performance and energy efficiency. By driving the standby current down to a stringent 8.4μA, it provides hardware and software engineers with a generous power budget while solving critical thermal management challenges in compact form factors. WEJ remains committed to deeply understanding customer needs in circuit design and field applications, continuously delivering high-performance, high-reliability optoelectronic component solutions.
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