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Maxim > Solutions > White LED (WLED) drivers

Parallel white LED drivers



DATA SHEETS
Part Number Description Key Advantages
MAX8831EVKIT Evaluation Kit for the MAX8831

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

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

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

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

MAX8678EVKIT Evaluation Kit for the MAX8678

MAX7302EVKIT Evaluation Kit for the MAX7302

MAX8822EVKIT Evaluation Kit for the MAX8822

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

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

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

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

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

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

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

MAX16807 Integrated 8-Channel LED Driver with Switch-Mode Boost and SEPIC Controller

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
MAX7306, MAX7307 SMBus/I²C Interfaced 4-Port, Level-Translating GPIOs and LED Drivers

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

MAX6964EVCMAXQUSB,
...
Evaluation Kit for the MAX6964

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

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
MAX8631X, MAX8631Y 1x/1.5x/2x White LED Charge Pump with Two LDOs in 4mm x 4mm Thin QFN

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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 Oper. Temp.
(°C)
Package/Pins Smallest Available Pckg.
(mm2)
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
-40 to +85
0 to +70
µMAX/8
QFN/12
TQFN/12
16
MAX1759  1.6 0.18 3.3 2.5 5.5 0.1 1500 - -40 to +85
µMAX/10
15.4
See All Charge Pumps (46)

Key Specifications:  Display Drivers
Part Number Features LCD or LED Digits or Char. Output Format Display Type Interface Segment Blinking VSUPPLY
(V)
VSUPPLY
(V)
min max
MAX6966 NEW!
10mA/20mA Constant Current
LED PWM Control
Open Drain Outputs
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:  I/O Port Expanders
Part Number Features Interface I/O Inputs Outputs Reset Input Interr.Out Over Voltage Protect. Drive Current
(mA)
VSUPPLY
(V)
VSUPPLY
(V)
Oper. Temp.
(°C)
min max
MAX6947 NEW!
4 Slave IDs
LED PWM Control
Open Drain Outputs
Serial - I2C Compatible 10 - - - - 7V 20 2.25 3.6 -
MAX6966 NEW!
10mA/20mA Constant Current
LED PWM Control
Open Drain Outputs
Serial SPI 26Mbit 10 - - - - 7V 20 2.25 3.6 -40 to +125
MAX7306 
LED Blinking
LED PWM Control
Open Drain Outputs
Push-Pull Outputs with Separate Port Supply
Serial - I2C Compatible
Serial 2-Wire 400kbit
4 4 4 Yes Yes 5.5V 25 1.62 3.6 -
MAX7307 
LED Blinking
LED PWM Control
Open Drain Outputs
Push-Pull Outputs with Separate Port Supply
Transition Detection
Serial - I2C Compatible
Serial 2-Wire 400kbit
4 4 4 Yes Yes 5.5V 25 1.62 3.6 -
MAX7302 
LED Blinking
LED PWM Control
Open Drain Outputs
Push-Pull Outputs with Separate Port Supply
Transition Detection
Serial - I2C Compatible 8 8 8 Yes Yes 5.5V 25 1.71 5.5 -
MAX6946 
1 Slave ID
LED PWM Control
Open Drain Outputs
Serial - I2C Compatible - - - Yes - 7V 20 2.25 3.6 -
See All I/O Port Expanders (32)

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
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
MAX16807  Inductor Based 80 Series-Parallel
Analog
Digital
PWM
- 300 15 440 8 26 5 36 1000
TSSOP-EP/28
MAX16809  Inductor Based 160 Series-Parallel
Analog
Digital
PWM
- 300 30 880 8 26 5 36 1000
TQFN/38
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 (47)



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