NCP1840 - 8-Channel Programmable LED Driver

ON Semiconductor

NCP1840 Datasheet Preview — Preview of NCP1840 PDF

Datasheet Details

Part number	NCP1840
Manufacturer	ON Semiconductor ↗
File Size	375.59 KB
Description	8-Channel Programmable LED Driver
Datasheet	NCP1840-ONSemiconductor.pdf

NCP1840 Product details

Description

Pin 1 Name CPO 2 5, 11 14 LED1 LED8 6, 15, 21 7 8 9 10 16, 17, 19, 20 18 GND DVCC SCL SDA RBIAS C2 , C1 , C2+, C1+ VBAT Function Charge pump output used as power supply to the LEDs.Should have a 2.2 mF ceramic capacitor (X5R or X7R) connected to ground.Current sink outputs for driving LEDs.Output current level and PWM duty cycle can be programmed through the I2C interface.Ground connection (Pin 21 is the exposed paddle and should be connected t

Features

Individual Current Level Programmability (5.
bit) per Channel.
Individual PWM Programmability (6.
bit) per Channel.
I2C Serial Communication Interface for Programming.
Constant Current Regulated Outputs.
30 mA Maximum per Channel.
Logarithmic Output Current Levels.
External Resistor for Setting Full.
Scale Current for all Channels.
Low Noise QUAD.
MODE Charge Pump Delivers > 90% Efficiency.

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Published: Feb 5, 2023 |