ADP8140
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ADP8140

4 Channel High Current LED Driver with Adaptable Power Control

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Design Tool ADP8140 Low Gain Buffer Calculation Tool Download 114.19 KB
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1ku List Price Starting From $2.81
Features
  • Highly integrated feature set for a high brightness LED driver solution with minimal external components
  • 4 current sink channels with an adjustable current from
  • 125 μA to 500 mA
  • Analog and pulse-width modulation (PWM) dimming inputs
  • Analog and PWM LED current outputs
  • 2% (maximum) matching between LED channels
  • 5% (maximum) LED current accuracy
  • Operates from VIN of 3 V to 30 V; higher voltages easily accomplished with an external Zener diode
  • Operates with LED anode supply voltages up to 100 V dc
  • Feedback output controls external power source for optimal efficiency and safety
  • Multiple ADP8140 IC operation in parallel to control one power supply
  • Integrated error amplifier for secondary side control of isolated power supplies
  • Easy connection of a temperature thermistor or light sensor
  • Provides robust protection of the entire system
    • Power supply overvoltage protection
    • LED overtemperature protection
    • LED short-circuit protection
    • LED open-circuit protection
    • IC overtemperature protection
    • Shorted ISET protection
    • Open ISET and EN protection
  • Standby mode for low current consumption
  • Fault indicator output
  • Small, thermally enhanced, LFCSP package (4 mm × 4 mm)
Additional Details
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The ADP8140 provides high current control of up to four LED drivers. Each driver can sink up to 500 mA. The sink current is programmed for all four drivers with one external resistor.

The device features a feedback output that controls an external power supply for optimal efficiency. The ADP8140 also protects the LEDs, power supply, and itself against thermal events, short circuits, overvoltages, and LED open circuits. Multiple ADP8140 ICs are easily connected in parallel to drive additional LED strings or higher current LEDs. The ADP8140 is available in a small, thermally enhanced, lead frame chip scale package (LFCSP).

Applications

  • High brightness LED lighting
  • Large format LED backlighting
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file View Data Sheet (Rev.B)
Documentation View All Documentation
Design Tool ADP8140 Low Gain Buffer Calculation Tool Download 114.19 KB
Part Models 2
1ku List Price Starting From $2.81
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ADP8140

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Data Sheet

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UPDATED 07/11/2012
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ADP8140: 4-Channel High Current LED Driver with Adaptable Power Control Data Sheet (Rev.B)

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User Guide

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UPDATED 08/13/2019
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UG-1476: Evaluating the ADP8140 4-Channel, High Current, LED Driver with Adaptable Power Control (Rev.0) redirect icon

586.91 K

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Documentation

Documentation

ADI has always placed the highest emphasis on delivering products that meet the maximum levels of quality and reliability. We achieve this by incorporating quality and reliability checks in every scope of product and process design, and in the manufacturing process as well. "Zero defects" for shipped products is always our goal. View our quality and reliability program and certifications for more information.

Part Model Pin/Package Drawing Documentation CAD Symbols, Footprints, and 3D Models
ADP8140ACPZ-1-R7 16-Lead LFCSP (4mm x 4mm w/ EP) external-link
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  • Material Declaration external-link
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ADP8140ACPZ-2-R7 16-Lead LFCSP (4mm x 4mm w/ EP) external-link
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  • Material Declaration external-link
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  • Reliablity Data external-link

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Product Lifecycle

PCN

Aug 12, 2022

- 21_0271

Qualification of an Alternate Adhesive Material and Molding Compound for Select LFCSP Packages

ADP8140ACPZ-1-R7

PRODUCTION

ADP8140ACPZ-2-R7

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PCN21_0271_Form

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Detailed Change Description

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Aug 12, 2022

- 21_0271

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Qualification of an Alternate Adhesive Material and Molding Compound for Select LFCSP Packages

ADP8140ACPZ-1-R7

PRODUCTION

ADP8140ACPZ-2-R7

PRODUCTION

pdf

PCN21_0271_Form

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xls

Material_Report

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pdf

Detailed Change Description

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Qualification Results Summary

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Software & Part Ecosystem

Software & Part Ecosystem

Evaluation Kit

Evaluation Kits 1

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ADP8140CP-EVALZ

ADP8140CP Evaluation Board 

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ADP8140CP-EVALZ

ADP8140CP Evaluation Board 

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ADP8140CP-EVALZ
ADP8140CP Evaluation Board 

Features and Benefits

  • Evaluation board voltage range
    • 3 LEDs: 8 V to 30 V
    • 6 LEDs: 15 V to 30 V
  • Evaluation board current sink range (four adjustable channels)
    • 125 μA to 350 mA
  • ADP8140 voltage range: 3.0 V to 30.0 V
  • ADP8140 current sink range (four adjustable channels)
    • 125 μA to 500 mA
  • Analog and PWM dimming inputs and LED current outputs
  • Feedback output control external power source for optimal efficiency and safety 
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Product Detail

The ADP8140CP-EVALZ demonstrates the functionality of the ADP8140 lead frame chip scale package (LFCSP) current sink light emitting diode (LED) driver.

The evaluation kit includes the ADP8140EB-EVALZ and the ADP8140 LED-EVALZ. The ADP8140EB-EVALZ has an ADP8140 with a P-channel metal-oxide semiconductor (PMOS) field effect transistor regulation stage to power the LEDs. The ADP8140 LED-EVALZ houses four strings of 6 LEDs per string.

Use the ADP8140CP-EVALZ to evaluate the ADP8140 device by driving LED strings with a maximum current of 350 mA per string.

Full specifications for the ADP8140 are available in the ADP8140 data sheet. Consult the data sheet in conjunction with this user guide when working with the ADP8140CP-EVALZ. 

Resources

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UG-1476: Evaluating the ADP8140 4-Channel, High Current, LED Driver with Adaptable Power Control (Rev.0) Download

586.91 K

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ADP8140CP-EVALZ

ADP8140CP Evaluation Board 

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