Part number:
NCP1840
Manufacturer:
File Size:
375.59 KB
Description:
8-channel programmable led driver.
Datasheet Details
Part number:
NCP1840
Manufacturer:
File Size:
375.59 KB
Description:
8-channel programmable led driver.
NCP1840, 8-Channel Programmable LED Driver
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 groun
NCP1840 8-Channel Programmable LED Driver The NCP1840 is a general purpose LED driver that allows for full programmability of eight separate LED channels through a simple I2C serial communication interface.
The current through each of the channels can be up to 30 mA and is controlled via constant current regulation.
Each channel has programmable Pulse Width Modulation (PWM) control along with programmable current control, allowing for very flexible, optimized LED brightness and color c
NCP1840 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
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