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KTD2064A 24-Channel RGB LED Driver with I2C Control

24-Channel RGB LED Driver with I²C Control

Description

Drives up to 24 LEDs (8 RGBs)
Multiplexed LED Current Driver Outputs
- Only 8 PCB Traces to the LEDs
- 23kHz MUX Frequency Prevents Audio Noise
14 Million Colors
- LED Current: 125µA to 24mA in 125µA Steps
- Night-Mode: 8µA to 1.5mA in 8µA Steps
- 5% Max. Current Accuracy & Matching
24 Independent Exponential Fade-Engines
- Ultra-Smooth 3072-Step Fade Resolution
- 3-bit Programmable Fade Rate
- Dramatically Reduces Software Complexity
Patented1 BrightExtend™ Technology
- Maintains Color-Accuracy and PSRR for Battery-Powered Applications with Low Vin
Proprietary CoolExtend™ Technology
- 2-bit Programmable Max. Die-Temp Regulation
0.4µA Automatic Shutdown (Standby) Current
1MHz I2C Interface with Multiple Slave Addresses
2.5V to 5.5V Operating Supply Voltage Range
-40°C to 85°C Operating Temperature Range
20 pin UQFN 3x3mm (0.4mm pitch)

1. US Patent 8,482,216 B1

Part Number	Description	I²C Slave Address
KTD2064A	24-Channel RGB LED Driver with I²C Control	0x6C alternative
KTD2064B	24-Channel RGB LED Driver with I²C Control	0x6D alternative

Vin (Min)	Vin (Max)	Vout (Min)	Vout (Max)	Supply Current	Standby Current	Shutdown Current	# of Channels	Current per Channel	Operating Temperature	Interface	Package
2.7V	5.5V	2.5V	5.5V	1.6mA Typ.	0.3µA Typ.	0.3µA Typ.	24	24mA	-40 to 85°C	1MHz I²C	UQFN33-20