ADP8861 Charge Pump, 7-Channel Smart LED Driver with I2C Interface Data Sheet

Q: What is the maximum operating junction temperature?

The maximum operating junction temperature (TJ) is +125°C.

Q: Does the device support automatic gain selection?

Yes, it features a charge pump with automatic gain selection of 1×, 1.5×, and 2× for maximum efficiency.

Q: What interface is used for programming the LED drivers?

The device uses an I2C-compatible interface for all programming.

This document describes the features and characteristics of the ADP8861 Charge Pump, a 7-channel smart LED driver with I2C interface.

ADP8861 Charge Pump, 7-Channel Smart LED Driver with I2C Interface Data Sheet - cover page

Brand: Analog Devices
Category: Other Electronics
Document type: Datasheet
Language: English
Pages: 40
File format: PDF
File size: 765 KB
Published: 13 December, 2022
Updated: 28 September, 2023
Model: ADP8861
MD5 checksum: F0280DBB065E0A7A2FDA8D9ED9D11CEC
PDF: ADP8861 Charge Pump, 7-Channel Smart LED Driver with I2C Interface Data Sheet PDF

About this manual

The ADP8861 is a 7-channel smart LED driver that utilizes a two-capacitor charge pump to provide gains of 1×, 1.5×, or 2× for maximum efficiency. It features seven independent programmable LED drivers capable of driving up to 30 mA each, with the seventh channel supporting up to 60 mA. The device includes an I2C-compatible interface for programming current limits and fade times.

What's inside

Features
Applications
Specifications
I2C Timing Diagram
Absolute Maximum Ratings
Pin Configurations
Theory of Operation
Backlight Operating Levels
Independent Sink Control
Ordering Guide

Specifications

Input Voltage Range	2.5 V to 5.5 V
Quiescent Current (Standby)	<1 μA
Maximum Drive Current (Diodes 1-7)	30 mA typical
Maximum Drive Current (Diode 7)	60 mA typical
Charge Pump Gain Options	1×, 1.5×, and 2×
Operating Temperature Range (Ambient)	-40°C to +85°C

Frequently asked questions

What is the maximum operating junction temperature?