NCP1840 driver equivalent, 8-channel programmable led driver.
* Individual Current Level Programmability (5−bit) per Channel
* Individual PWM Programmability (6−bit) per Channel
* I2C Serial Communication Interface for P.
that are running off of low−voltage processor supply levels along with battery−powered applications. Few external compon.
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) connecte.
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