ADP8861ACBZ-R7

Product Overview

Category: Integrated Circuit (IC)
Use: LED Backlight Driver
Characteristics: High Efficiency, Low Power Consumption
Package: 32-Lead LFCSP (5x5mm)
Essence: Control and drive LEDs for backlighting applications
Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

Input Voltage Range: 2.7V to 5.5V
Output Current Range: Up to 30mA per channel
Number of Channels: 6
Dimming Control: PWM (Pulse Width Modulation)
Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The ADP8861ACBZ-R7 has a total of 32 pins. The pin configuration is as follows:

VLED1: LED Channel 1 Positive Supply Voltage
GND: Ground
VLED2: LED Channel 2 Positive Supply Voltage
VLED3: LED Channel 3 Positive Supply Voltage
VLED4: LED Channel 4 Positive Supply Voltage
VLED5: LED Channel 5 Positive Supply Voltage
VLED6: LED Channel 6 Positive Supply Voltage
SDA: I2C Serial Data Input/Output
SCL: I2C Serial Clock Input
INT: Interrupt Output
EN: Enable Input
VBAT: Battery Supply Voltage
VREG: Internal Regulator Output
VREF: Reference Voltage Output
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Functional Features

High efficiency LED backlight driver
Individual channel control for precise dimming
I2C interface for easy integration and control
Low power consumption for extended battery life
Wide input voltage range for versatile applications

Advantages and Disadvantages

Advantages: - High efficiency results in energy savings - Precise dimming control allows for optimal backlighting - Easy integration and control through the I2C interface - Wide input voltage range accommodates various power sources

Disadvantages: - Limited to 6 channels, may not be suitable for applications requiring more channels - Requires external components for proper operation

Working Principles

The ADP8861ACBZ-R7 is an integrated circuit designed to control and drive LEDs for backlighting applications. It operates by converting the input voltage into a regulated output voltage suitable for driving LEDs. The IC utilizes pulse width modulation (PWM) to control the brightness of each LED channel individually. This allows for precise dimming control and optimal backlighting performance.

Detailed Application Field Plans

The ADP8861ACBZ-R7 is commonly used in various applications that require LED backlighting. Some of the typical application fields include:

Mobile Devices: Smartphones, tablets, and portable gaming devices often utilize LED backlighting for their displays. The ADP8861ACBZ-R7 can provide efficient and precise control over the backlighting in these devices.
Automotive Displays: LED backlighting is widely used in automotive displays for instrument clusters, infotainment systems, and navigation screens. The ADP8861ACBZ-R7 can be integrated into these systems to ensure optimal backlighting performance.
Industrial Equipment: LED backlighting is also employed in industrial equipment such as control panels, meters, and displays. The ADP8861ACBZ-R7 can drive the LEDs in these applications, providing energy-efficient and reliable backlighting.

Detailed and Complete Alternative Models

ADP8860: Similar to the ADP8861ACBZ-R7, this IC is a 6-channel LED backlight driver with PWM dimming control. It offers similar features and specifications.
ADP8863: This IC is a higher channel count LED backlight driver, offering up to 12 channels. It provides more flexibility for applications requiring multiple LED channels.
ADP8865: Designed specifically for automotive applications, this IC offers robust features and enhanced protection against harsh environments. It is suitable for automotive display backlighting.
ADP8866: A compact LED backlight driver with integrated boost converter. It is

Seznam 10 běžných otázek a odpovědí souvisejících s aplikací ADP8861ACBZ-R7 v technických řešeních

Sure! Here are 10 common questions and answers related to the application of ADP8861ACBZ-R7 in technical solutions:

Q1: What is ADP8861ACBZ-R7? A1: ADP8861ACBZ-R7 is a highly integrated, programmable LED backlight driver IC designed for small-to-medium-sized LCD displays.

Q2: What is the maximum number of LEDs that can be controlled by ADP8861ACBZ-R7? A2: ADP8861ACBZ-R7 can control up to 8 strings of LEDs, with each string having a maximum of 30 LEDs.

Q3: How does ADP8861ACBZ-R7 communicate with the microcontroller? A3: ADP8861ACBZ-R7 uses an I2C interface to communicate with the microcontroller.

Q4: Can ADP8861ACBZ-R7 support both PWM and analog dimming? A4: Yes, ADP8861ACBZ-R7 supports both PWM and analog dimming methods for controlling the brightness of the LEDs.

Q5: What is the input voltage range supported by ADP8861ACBZ-R7? A5: ADP8861ACBZ-R7 supports an input voltage range from 2.7V to 5.5V.

Q6: Does ADP8861ACBZ-R7 have any built-in safety features? A6: Yes, ADP8861ACBZ-R7 includes various safety features such as overvoltage protection, overcurrent protection, and thermal shutdown.

Q7: Can ADP8861ACBZ-R7 operate in both boost and buck modes? A7: No, ADP8861ACBZ-R7 operates only in boost mode.

Q8: What is the maximum current that ADP8861ACBZ-R7 can deliver to each LED string? A8: ADP8861ACBZ-R7 can deliver a maximum current of 25mA to each LED string.

Q9: Does ADP8861ACBZ-R7 support LED fault detection? A9: Yes, ADP8861ACBZ-R7 includes LED fault detection and reporting capabilities.

Q10: Can ADP8861ACBZ-R7 be used in automotive applications? A10: Yes, ADP8861ACBZ-R7 is suitable for automotive applications as it meets the AEC-Q100 Grade 2 qualification standards.

Please note that these answers are based on general information about ADP8861ACBZ-R7. For specific technical details and application requirements, it is recommended to refer to the datasheet or consult the manufacturer's documentation.