Display and Lighting

ADI offers LED drivers that range from automotive to display and keypad LED-backlighting applications. Products like the AD8240, designed for automotive applications, both drive and monitor the LED assembly. The AD8240 lowers system cost by reducing the complexity associated with LED driving, includes overcurrent protection, and is available in a MSOP package. The ADP8860/70 charge pump LED drivers are designed for driving up to seven white LEDs in parallel and has a built-in controller for automatic light adjustment based on ambient conditions. The ADP8860/70 can independently control each LED sink allowing one LED backlight driver to be used for multiple lighting requirements such as LCD backlight and keypad backlighting at the same time. These intelligent state-machine products improve battery life by reducing processor interaction and improve time to market by reducing software complexities.

Have questions about ADI's Power products? Visit the Power Support Community on EngineerZone.

PRODUCT SELECTION TABLES

Enter values and click on ADIsimPower to find power management solutions. Launch of ADIsimPower Voltage Regulator Design Tool
Available System Voltage Operating Voltage Rail Load Current
Vin (min) V Vin (max) V Vout V Iout A

LED Flash Drivers

Part# Product DescriptionLED #LED ConfigurationTopologyI2C SupportMax Iout (mA)Brightness ControlUS Price 1000-4999
ADP16491.0 A LED Flash Driver w/ I2C-Compatible Interface1SerialInductiveYes1AI2C $0.9
ADP16501.5 A LED Flash Driver with I2C-Compatible Interface1SerialInductiveYes1.5AI2C $0.95
ADP1653Serial 2 WLED Flash Driver2SerialInductiveYes500mAI2C $1.45
ADP1655Serial 2 WLED Flash Driver2SerialInductiveYes400mAI2C $0.95
ADP1660Dual 750 mA LED Flash Drvr w/ I2C-Compatible Interface2Parallel-Yes750mA- $0.95
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Step-Up (Boost) LED Drivers

Part Number Description Vin (min) (V) Vin (max) (V) VOUT Max (V) Number of Strings Max LEDs Per String Max Current Per String (mA) Boost Type Switching Frequency (MHz) I2C Support Package Price @ 1k ($U.S.)
ADD5201 8-string White LED driver 6 21 45 8 12 30 (240 total) Inductive 1 Yes 28-lead LFCSP 1.4
ADD5203 8-string White LED driver 6 21 45 8 12 30 (240 total) Inductive 1 Yes 28-lead LFCSP 1.4
ADD5205 4-string White LED driver 2.18 18 28 4 6 25 (100 total) Inductive 1 No 12-lead LFCSP 1.15
ADD5207 4-string White LED driver 6 21 36 4 10 25 (100 total) Inductive 1 No 14-lead LFCSP 1.32
ADD5211 4-string White LED driver 3.5 40 80 4 22 200 (800 total) Inductive 0.2 to 1.2 No 24-lead LFCSP 1.4
ADP5501 Serial 6 WLED Driver with ALS , RGB 2.7 5.5 24 1 6 30 Inductive Variable Yes 24-lead LFCSP 1.2
ADP5520 Serial 6 WLED Driver with ALS , RGB, KBRD 2.7 5.5 24 1 6 30 Inductive Variable Yes 24-lead LFCSP 1.66

Step-Down (Buck) LED Drivers

Part Number Description Vin (min) (V) Vin (max) (V) Number of Strings Max LEDs Per String Max Current Per String (mA) Switching Frequency (MHz) Package Price @ 1k ($U.S.)
ADP2384 20V, 4A synchronous step-down DC-to-DC regulator 4.5 20 1 5 4000 0.2 to 1.4 24-lead LFCSP 1.74
ADP2386 20V, 6A synchronous step-down DC-to-DC regulator 4.5 20 1 5 6000 0.2 to 1.4 24-lead LFCSP 2.04
ADP2441 36V, 1A, synchronous, step-down DC-to-DC regulator 4.5 36 1 10 1000 0.2 to 1 12-lead LFCSP 1.78

Current Sink LED Drivers

Part Number Description Vin (min) (V) Vin (max) (V) # of Strings Max LEDs per String Max Current per String (mA) Pin/Package Pricing ($@1k)
ADP8140 High Current LED Driver with Adaptable Power Control 3.3 30 4 28 500 LFCSP-16 1.5

Inductorless (Charge Pump) LED Drivers

Part Number Description Vin (min) (V) Vin (max) (V) Vout (min) (V) Vout (max) (V) # of Strings LEDs per String Max Current per String (mA) Boost Type I2C Support Pin/Package Pricing ($@1k)
ADM8843 PWM Parallel 4 WLED Driver 2.6 5.5 Vin 5.5 4 1 20 Charge Pump No LFCSP-16 0.5
ADM8845 PWM Parallel 6 WLED Driver 2.6 5.5 Vin 5.5 6 1 30 Charge Pump No LFCSP-16 0.71
ADP8860 Parallel 7 WLED Driver with ALS 2.5 5.5 4.3 5.5 7 1 30 Charge Pump Yes LFCSP-20; WLCSP-20 1.36
ADP8861 Parallel 7 WLED Driver 2.5 5.5 4.3 5.5 7 1 30 Charge Pump Yes LFCSP-20; WLCSP-20 1.22
ADP8863 Parallel 7 channel Fun Lighting LED Driver 2.5 5.5 4.3 5.5 7 1 30 Charge Pump Yes LFCSP-20; WLCSP-20 1.22
ADP8866 Charge Pump Driven 9-Channel LED Driver with Automated LED Lighting Effects 2.5 5.5 4.3 5.5 9 1 25 Charge Pump Yes LFCSP-20 1.48
ADP8870 Parallel 7 WLED Driver with ALS & cABC 2.5 5.5 4.3 5.5 7 1 30 Charge Pump Yes LFCSP-20; WLCSP-20 1.48

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