AP6972S two-channel LED color temperature adjustment SOT-23-6

The AP6972S is a two-channel linear constant current driver designed for LED color temperature adjustment. Integrated in a compact SOT23-6 package, it allows flexible control over warm and cool LEDs with PWM dimming or analog voltage input. This device is ideal for tunable white LED applications such as smart lighting, downlights, and LED bulbs where precise color balance and brightness are required.

Key Features of AP6972S Two-Channel LED Color Temperature Adjustment Driver:

• Two Independent Channels: Supports adjustable drive for warm and cool LEDs.
• Analog and PWM Control: Offers dual-mode brightness/color temperature tuning.
• High Precision Constant Current: Ensures consistent LED brightness across temperature variations.
• Low Dropout Voltage: Improves efficiency and thermal performance.
• Integrated Protection: Features thermal shutdown, overcurrent, and LED open-circuit protection.

Technical Specifications of AP6972S:

• Input Voltage Range: 2.8V to 5.5V
• LED Output Current: Up to 150mA per channel
• Control Modes: PWM or analog voltage
• Dropout Voltage: 300mV @ 100mA
• Current Matching: ±3% (between channels)
• Thermal Shutdown Protection: Yes
• Operating Temperature Range: -40°C to +85°C

Mechanical Specifications of AP6972S:

• Package Type: SOT23-6
• Mounting Type: Surface mount (SMD)
• RoHS Compliant: Yes
• Pin Pitch: 0.95mm typical

Dimensions:

• Package Width: 1.6mm
• Package Length: 2.9mm
• Height: 1.1mm max
• Lead Count: 6

Mounting Options:

• Surface Mount: Suitable for reflow soldering on SMD PCBs.
• Compact Layout: Ideal for high-density LED modules and lamp boards.

Schematic Diagram, Connection, Wiring and Pinout of AP6972S:

• Pin 1: CH1 LED Current Sink
• Pin 2: Ground (GND)
• Pin 3: CH2 LED Current Sink
• Pin 4: Analog/PWM Input for CH2
• Pin 5: Analog/PWM Input for CH1
• Pin 6: Power Supply (V_IN)

Datasheet of AP6972S Two-Channel LED Color Temperature Adjustment Driver:

• Download AP6972S Datasheet (PDF)

Applications of AP6972S:

• Tunable White LED Lighting: Provides dynamic color temperature control.
• Smart Bulbs: Integrates into intelligent lighting systems with app or voice control.
• Architectural Lighting: Enables warm-to-cool transitions in ambient installations.
• Display Backlighting: Offers precise white tuning in LCD and OLED panels.
• Residential and Commercial Downlights: Improves lighting comfort and energy efficiency.

Equivalent of AP6972S Two-Channel LED Color Temperature Adjustment Driver:

• NS4317: Dual-channel white LED driver for color temperature control
• AW36413: Synchronous buck-based dual-channel driver with LED color mixing
• PT4115: Step-down constant current LED driver for dimming applications

Package Includes:

• 1 x AP6972S Two-Channel LED Color Temperature Adjustment Driver (SOT23-6)