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Maxim > Solutions > White LED (WLED) Drivers

Parallel White LED Drivers



DATA SHEETS
Display Title/Parts Key Advantages
QV  PDF Evaluation Kit for the MAX8831
MAX8831EVKIT

QV  PDF High Efficiency White LED Step-Up Converter with I²C Interface in 2mm x 2mm WLP
MAX8831

Easily Drives Five Banks of 9 LEDs with Over 90% Efficiency Using an I²C Interface in a 2mm x 2mm WLP
QV  PDF Evaluation Kit for the MAX8630X and MAX8630W
MAX8630XEVKIT

QV  PDF Charge Pump for Backlight/Flash/RGB LEDs with Safety Timer
MAX8879

High-Efficiency Backlight and Flash Driver with Up to 400mA Flash Capability/Safety Timer and 3 RGB Drivers
QV  PDF Evaluation Kit for the MAX8821
MAX8821EVKIT

QV  PDF Evaluation Kit for the MAX8678
MAX8678EVKIT

QV  PDF Evaluation Kit for the MAX7302
MAX7302EVKIT

QV  PDF Evaluation Kit for the MAX8822
MAX8822EVKIT

QV  PDF White LED Charge Pump with Mono Class D Audio Amp and Dual LDO
MAX8821

Industry's First LED Charge Pump with Integrated Audio Amplifier and 2 LDOs Providing Space Savings and Highest Efficiency
QV  PDF Ultra-Efficient Negative Charge-Pump LED Driver with Dual LDOs in 3mm x 3mm Thin QFN
MAX8822

Independent Adaptive Voltage Supply for Four WLEDs with Two 200mA Low-Noise/High PSRR LDOs for Display Backlighting
QV  PDF 125mA 1x/1.5x Charge Pumps for 5 White LEDs in 3mm x 3mm TDFN
MAX8630W, MAX8630X

Delivers Thermal Derating, 1% LED Accuracy, and 85% Efficiency in a Tiny 3mm x 3mm TDFN Package and Easy Control Interfacing
QV  PDF White LED Charge Pump with 1.1W Audio Amplifier
MAX8678

Industry’s First LED Charge Pump with Integrated Audio Amplifier Saves 50% PCB Area While Providing Highest Efficiency
QV  PDF Ultra-Efficient Charge Pumps for Six White/RGB LEDs in 3mm x 3mm Thin QFN
MAX8647, MAX8648

Achieves Industry's Highest Efficiency Using the Industry's First Negative Charge Pump Driving Six White/RGB LEDs Independently
QV  PDF SMBus/I²C Interfaced 9-Port, Level-Translating GPIO and LED Driver with CLA
MAX7302

Low Operating Supply Voltage LED Driver
with Blinking, PWM, Transition Detection, and Level Translation
QV  PDF Integrated 16-Channel LED Drivers with Switch-Mode Boost and SEPIC Controller
MAX16809, MAX16810

QV  PDF Integrated 8-Channel LED Drivers with Switch-Mode Boost and SEPIC Controller
MAX16807, MAX16808

High-Efficiency, 8-Channel, Constant-Current, Linear LED Drivers with a Switch-Mode Controller and ±3% Current Matching Among Strings that Enables Paralleling of Output Currents Higher than 55mA per LED String
QV  PDF SMBus/I²C Interfaced 4-Port, Level-Translating GPIOs and LED Drivers
MAX7306, MAX7307

Low Operating Supply Voltage LED Drivers with Blinking, Transition Detection, and Level Translation in a Very Small Package Ideal for Cellular and Smartphone Applications
QV  PDF 1x/1.5x/2x White LED Charge Pumps with Two LDOs in 4mm x 4mm TQFN
MAX8645X, MAX8645Y

QV  PDF Evaluation Kit for the MAX6964
MAX6964EVCMAXQUSB, MAX6964EVKIT

QV  PDF Light-Management IC with Efficient 1x/1.5x/2x Charge Pump for Backlight/Flash/RGB LEDs
MAX1707

High-Efficiency Backlight and Flash Driver with Up to 400mA Flash Capability and 3 RGB Drivers with a Programmable RGB Ramp for Main, Sub, RGB, Keypad, or Flash Applications in a Compact, 4mm x 4mm TQFN Package
QV  PDF 1x/1.5x/2x White LED Charge Pump with Two LDOs in 4mm x 4mm Thin QFN
MAX8631X, MAX8631Y

QV  PDF 10-Port Constant-Current LED Drivers and I/O Expanders with PWM Intensity Control
MAX6966, MAX6967

QV  PDF 1.2A White LED Regulating Charge Pump for Camera Flashes and Movie Lights
MAX1577Y, MAX1577Z

Highest Current, 1.2A, Charge Pumps Enable Brightest WLED Flashes in Camera Phones, Even with Low-Battery Input Voltage
QV  PDF Complete Bias and White LED Power Supplies for Small TFT Displays
MAX1578, MAX1579

First Complete LCD Bias and WLED Backlight Supplies for Small TFT Displays
QV  PDF 480mA White LED 1x/1.5x/2x Charge Pump for Backlighting and Camera Flash
MAX1576

QV  PDF 17-Output LED Driver/GPO with Intensity Control and Hot-Insertion Protection
MAX6964

Space-Saving, 17-Output LED Driver with RST-bar, 240-Step PWM Brightness Control, and 2-Phase Blink
QV  PDF 180mA, 1x/2x, White LED Charge Pump in 3mm x 3mm TDFN
MAX1574

White LED Charge Pump in 3mm x 3mm TDFN Achieves 83% Average Efficiency
QV  PDF White LED 1x/1.5x Charge Pump for Main and Sub-Displays
MAX1575

First 85% Efficient, Fractional, White-LED Charge Pump with Dual, Single-Wire Dimming Control for Main and Sub-Displays
QV  PDF 9-Output LED Driver with Intensity Control and Hot-Insertion Protection
MAX6965

9-Output LED Driver with Intensity Control and Hot-Insertion Protection has 240-Step Brightness Control and 2-Phase Blink
QV  PDF White LED 1x/1.5x Charge Pump in UCSP and Thin QFN
MAX1573

Smallest, Highest Efficiency White LED Charge Pump Packaged in a UCSP™
QV  PDF Ultra-Efficiency White LED Drivers
MAX1984, MAX1985, MAX1986

Ultra-Efficient, White LED Drivers Use Individual Regulators to Control the Current of Up to Eight LEDs
QV  PDF White LED Current Regulator with 1x/1.5x High-Efficiency Charge Pump
MAX1570

QV  PDF 10-Port, Constant-Current LED Driver and I/O Expander with PWM Intensity Control
MAX6946, MAX6947

Space-Saving, Constant-Current LED Driver with Reset
QV  PDF 1.5x/2x High-Efficiency White LED Charge Pumps
MAX1910, MAX1912

QV  PDF Regulated 3.3V/5.0V Step-Up/Step-Down Charge Pump
MAX1595

QV  PDF Low-Dropout, Constant-Current Triple White LED Bias Supply
MAX1916

Power 3 White LEDs Directly From Single Li+ with 0.3% Brightness Matching
QV  PDF Buck/Boost Regulating Charge Pump in µMAX
MAX1759

Industry's Smallest 100mA Buck/Boost Solution



Key Specifications:  Charge Pumps
Part Number Topology VIN
(V)
VIN
(V)
ICC
(mA)
Unadj. VOUT
(V)
Adj. VOUT
(V)
Adj. VOUT
(V)
IOUT
(A)
Oper. Freq.
(kHz)
Features Industry Qualified Package/Pins Smallest Available Pckg.
(mm2)
Oper. Temp.
(°C)
min max max min max typ max w/pins
MAX1595  Regulated 1.8 5.5 0.22
3.3
5
- - 0.125 1000 Shutdown
Automotive - AECQ100
Automotive - General
µMAX/8
QFN/12
TQFN/12
16
-40 to +85
0 to +70
MAX1759  1.6 0.18 3.3 2.5 5.5 0.1 1500 -
µMAX/10
15 -40 to +85
See All Charge Pumps (48)

Key Specifications:  Display Drivers
Part Number Features LCD or LED Display Type Output Format Display Type Interface Segment Blinking VSUPPLY
(V)
VSUPPLY
(V)
min max
MAX6966  10mA/20mA Constant Current LED 10-Segment Any digit type Common Anode Serial SPI 26Mbit No 2.25 3.6
MAX6967  10mA/20mA Constant Current 10-Segment Serial SPI 26Mbit No 2.25
MAX6964  Outputs rated at 50mA and 7V 17-Segment Serial 2-Wire 400kbit Yes 2
MAX6965  Outputs rated at 50mA and 7V 9-Segment Serial 2-Wire 400kbit Yes 2
See All Display Drivers (52)

Key Specifications:  High Brightness LED Drivers
Part Number Topology VIN
(V)
VIN
(V)
Extended VIN with External Bias LED Channels ILED per Channel
(A)
LED String Volt. Internal Pwr. MOSFETs Freq. PWM Dimming Freq.
(kHz)
PWM Dimming Ratio EV Kit
min max max max max max
MAX16807  Boost, SEPIC + Linear 8 24 Yes
8
8
0.055
36V
Set externally
Yes 20kHz to 1MHz 30 1:5000 Yes
MAX16809 
16
16
See All High Brightness LED Drivers (26)

Key Specifications:  White LED Drivers
Part Number Topology LEDs Config. Dimming Control VDROPOUT
(mV)
VCURR_SENSE
(mV)
POUT
(W)
ILED
(mA)
VIN
(V)
VIN
(V)
ICC
(mA)
VOUT
(V)
Oper. Freq.
(kHz)
Package/Pins
max num. of typ max min max max max
MAX8831  Inductor Based 45 Series-Parallel
Digital
I2C Serial
150 150 5 25 2.7 5.5 1.5 28 2000
WLP/16
MAX8879  Charge Pump 11 Parallel
Digital
I2C Serial
40 100 2.5 100 2.7 5.5 6.5 5 1000
TQFN/24
MAX8822  Charge Pump 4 Parallel Digital 60 - 0.4 24 2.7 5.5 1.4 5.5 1000
TQFN/16
MAX8821  Charge Pump 6 Parallel
Digital
I2C Serial
72 - 0.6 25 2.7 5.5 0.12 5.5 1000
TQFN/28
MAX7302  Linear Current Regulator 9 Parallel
I2C Serial
PWM
200 - 0.4 25 1.62 5.5 0.04 5.5 -
QSOP/16
TQFN/16
MAX8647  Charge Pump 6 Parallel I2C Serial - - 0.6 24 2.7 5.5 0.1 5 1000
TQFN/16
MAX8648  Charge Pump 6 Parallel Serial Pulse - - 0.6 24 2.7 5.5 0.2 5 1000
TQFN/16
MAX8678  Charge Pump 4 Parallel Serial Pulse - - 0.4 244 2.7 5.5 0.2 5 1000
TQFN/16
MAX8645  Charge Pump 8 Parallel
Analog
Digital
PWM
Serial Pulse
40 - 2.8 200 2.7 5.5 5.5 5.5 1000
TQFN/28
MAX1707  Charge Pump 11 Parallel
Digital
I2C Serial
40 100 2.5 100 2.7 5.5 6.5 5 1000
TQFN/24
MAX8630  Charge Pump 5 Parallel
PWM
Serial Pulse
- - 0.5 25 2.7 5.5 1.4 5.5 1000
TDFN-EP/14
MAX8631  Charge Pump 8 Parallel
Digital
PWM
Serial Pulse
- - 2.25 100 2.7 5.5 6 5 1000
TQFN/28
MAX1577  Charge Pump 40 Parallel Digital - - 5 1200 2.7 5.5 5 5.1 1000
TDFN-EP/8
MAX1578  Inductor Based 8 Series
Analog
PWM
- 300 0.9 25 2.7 5.5 5 32 1000
TQFN/24
MAX1579  Inductor Based 8 Series
Analog
PWM
- 300 0.9 25 2.7 5.5 5 32 1000
TQFN/24
MAX1576  Charge Pump 8 Parallel
Analog
PWM
Serial Pulse
- - 2 400 2.7 5.5 6 5 1000
TQFN/24
MAX1575  Charge Pump 6 Parallel Serial Pulse - - 0.75 30 2.7 5.5 2 5 1000
TQFN/16
MAX1574  Charge Pump 3 Parallel Serial Pulse - - 0.75 60 2.7 5.5 2 5 1000
TDFN-EP/10
MAX1573  Charge Pump 4 Parallel
Analog
Digital
PWM
- - 0.5 28 2.7 5.5 4 5 1000
TQFN/16
UCSP/14
MAX1984  Inductor Based 8 Parallel
Analog
Digital
PWM
- 100 0.8 25 2.7 5.5 0.6 5 1000
TQFN/20
MAX1985  Inductor Based 6 Parallel
Analog
Digital
PWM
- 100 0.6 25 2.7 5.5 0.6 5 1000
TQFN/20
MAX1986  Inductor Based 4 Parallel
Analog
Digital
PWM
- 100 0.4 25 2.7 5.5 0.6 5 1000
TQFN/16
MAX1570  Charge Pump 5 Parallel
Analog
PWM
- - 0.7 30 2.7 5.5 3.5 5 1000
TQFN/16
MAX1910  Charge Pump 6 Parallel Analog - 200 0.5 120 2.7 5.3 2.5 5 750
µMAX/10
MAX1912  Charge Pump 6 Parallel Analog - 200 0.5 120 2.7 5.3 2.5 5 750
µMAX/10
MAX1916  Linear Current Regulator 3 Parallel Analog 200 - 1 60 2.5 5.5 0.1 5 -
TSOT/6
See All White LED Drivers (46)



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