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LP5018, LP5024
SLVSEB8B – OCTOBER...
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Technical Documents
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LP5018, LP5024
SLVSEB8B – OCTOBER 2018 – REVISED OCTOBER 2018
LP50xx 18-, 24-Channel, 12-Bit, PWM Ultralow-Quiescent-Current, I2C RGB LED Drivers
1 Features
1 Operating
Voltage Range:
– VCC Range: 2.7 V to 5.5 V – EN, SDA, and SCL Pins Compatible With
1.8-V, 3.3-V, and 5-V Power Rails
– Output Maximum
Voltage: 6 V
24 Constant-Current Sinks With High Precision
– 25.5 mA Maximum per Channel With VCC in Full Range
– 35 mA Maximum per Channel When VCC ≥ 3.3 V
– Device-to-Device Error: ±7%; Channel-toChannel Error: ±7%
Ultralow Quiescent Current:
– Shutdown Mode: 1 µA (Maximum) With EN Low
– Power Saving Mode: 10 µA (Typical) With EN High and All LEDs Off for > 30 ms
Integrated 12-Bit, 29-kHz PWM Generator for Each Channel:
– Independent Color-Mixing Register Per Channel
– Independent Brightness-Control Register Per RGB LED Module
– Optional Logarithmic- or Linear-Scale Brightness Control
– Integrated 3-Phase PWM-Shifting Scheme
3 Programmable Banks (R, G, B) for Easy Software Control of Each Color
2 External Hardware Address Pins Allow Connecting up to 4 Devices
Broadcast Slave Address Allows Configuring Multiple Devices Simultaneously
Auto-Increment Allows Writing or Reading Consecutive Registers Within One Transmission
Up to 400-kHz Fast-Mode I2C Speed
2 Applications
LED Lighting, Indicator Lights, and Fun Lights for:
Smart Speaker (With Voice Assistant) Smart Home Appl...