MAX16824AUE+ by Analog Devices

High-Voltage, Three-Channel Linear High-Brightness LED Drivers


The MAX16824/MAX16825 three-channel LED drivers operate over a 6.5V to 28V input voltage range. These devices provide three open-drain constant-current-sinking outputs that are rated to 36V and deliver up to 150mA of current to each string of high-brightness LEDs (HB LEDs). The current at each output is programmable by means of an external current-sense resistor. The MAX16824 features three PWM inputs that control the duty cycle of the output current, allowing a wide LED dimming range to be implemented. The PWM inputs also function as on/off control for each corresponding output. The MAX16825 offers a 4-wire serial interface, a 3-bit shift register, and a 3-bit transparent latch. The serial interface allows a microcontroller to configure the output channels using four inputs (DIN, CLK, LE, active-low OE) and a data output (DOUT). DOUT allows multiple drivers to be cascaded and operated together. The MAX16824/MAX16825's on-board pass elements minimize the need for external components, while at the same time, providing ±5% LED current accuracy. Additional features include a +5V (±5%) regulated output with 4mA output current capability and thermal protection. The MAX16824/MAX16825 are available in a thermally enhanced 16-pin TSSOP-EP package and specified over the -40°C to +125°C temperature range.

Where to Buy

Prices starting from US$2.29

Distributor Stock
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Farnell
from US$2.55
32
in stock
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Logo for Newark Electronics
Newark Electronics
from US$2.29
32
in stock
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Logo for element14
element14
from US$2.75
32
in stock
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Features

6.5V to 28V Operating Range
Outputs Connected to 36V Supply for Long LED Strings
Three 36V-Rated Output Channels with Independently Adjustable LED Current
150mA Output Current Per Channel
±5% LED Current Accuracy
PWM Dimming Three Independent Dimming Control Inputs (MAX16824) 4-Wire Serial Interface LED Current Chopping (MAX16825)
Three Independent Dimming Control Inputs (MAX16824)
4-Wire Serial Interface LED Current Chopping (MAX16825)
+5V (±5%) Regulated Output with 4mA Source Capability
Fast Transient Dimming Response
200mV Current-Sense Reference Reduces Power Loss
Thermal Shutdown
-40°C to +125°C Operating Temperature Range
Thermally Enhanced, 16-Pin TSSOP Exposed Paddle Package

Specifications

VIN (V) (min) 6.5
VIN (V) (max) 28
Max. No. of LEDs 9
# LED Channels 3
Regulation Topology Linear
LED Configuration Series-Parallel
ILED per Channel (A) (max) 0.15
PWM Dimming Freq. (kHz) (max) 3
Dimming Ratio (max) 200
Dimming Control PWM
VDROPOUT (mV) (typ) 750
VCURR_SENSE (mV) 200
POUT (W) 15
ICC (mA) (max) 10
LED String Volt. (V) (max) 38.6
Package/Pins TSSOP/16
BudgetaryPrice (See Notes) 1.9


MAX16824AUE+ Semiconductors - ICs by Analog Devices

LED DRIVER LINEAR TSSOP-16

Status: Unknown
Series: -
RoHS: Unknown
Download Datasheet Visit Manufacturer Site View Pricing & Stock

Specifications

Device Topology Linear
No. of Outputs 3Outputs
Output Current 150mA
Output Voltage 38.6V
Driver Case Style TSSOP
No. of Pins 16Pins
Input Voltage Min 6.5V
Input Voltage Max 28V
Switching Frequency -
Operating Temperature Min -40°C
Operating Temperature Max 125°C
Product Range -
Automotive Qualification Standard -
RoHS Phthalates Compliant To Be Advised
MSL MSL 1 - Unlimited
SVHC No SVHC (15-Jan-2018)

Alternative Descriptions

Led Driver, Linear, Tssop-16 | Newark Electronics
LED DRIVER, LINEAR, TSSOP-16 | element14

Frequently Asked Questions

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Is the MAX16824AUE+ RoHS compliant?

This part has not been flagged as RoHS Compliant.

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