Max linear new high-brightness LED driver launched (Figure)
The MAX16815/MAX16828/MAX16835/MAX16836 are high-voltage, linear HBLED drivers with adjustable drive current.
Using this device reduces the size, cost, and design complexity of LED driver solutions.
The device integrates a turn-on component with a low dropout of 0.4V (typ), eliminating the need for an external power transistor.
The MAX16815/MAX16828/MAX16835/MAX16836 are ideal for automotive interior and exterior lighting, and typically use simple, compact LED drivers.
MaximIntegratedProducts introduces the MAX16815/MAX16828/MAX16835/MAX16836 high-voltage, linear, high-brightness LED drivers that drive a long string of HBLEDs from a 6.5V to 40V input supply range. These single-channel devices integrate a turn-on component with a low dropout voltage of 0.4V (typ), eliminating the need for an external power transistor. The pass element provides LED current control with an accuracy of ±5%, ensuring excellent brightness matching, reducing the size of the entire LED driver solution, reducing cost and design complexity. In addition, the device regulates the output current from 35mA to 100mA (MAX16815), 35mA to 200mA (MAX16828), and 35mA to 350mA (MAX16835/MAX16836) through an external resistor in series with the LED. To simplify the design of the brightness control, the device provides a PWMLED brightness control input. These easy-to-use, universal LED drivers are ideal for a variety of applications, including: car map lights, gated room lights, ceiling lights, dashboard lights, RCL lighting, emergency warning lights, signage and indicator lighting, and construction and Ambient lighting.
Designed for noisy automotive environments, the MAX16815/MAX16828/MAX16835/MAX16836 offer reliable protection with short-circuit and thermal protection. The device also features a +5V regulated output that delivers up to 4mA of load current. In addition, the device uses only a negative temperature coefficient thermistor and a few external components to achieve LED current thermal foldback of the driver circuit.
The MAX16815/MAX16828 are available in a thermally enhanced, 3mm x 3mm, 6-pin TDFN package with an exposed pad. The MAX16835/MAX16836 are available in a 16-pin TQFN package with an exposed pad. All devices operate over the -40°C to +125°C automotive temperature range. The chip starts at $0.48 (1000 sheets, FOB USA).
With annual profit of $2 billion, Maxim Integrated Products is engaged in the design and production of analog and mixed-signal application ICs. The company has a total of 27 product lines, and its breadth and depth are in the leading position in the industry, with more than 5,400 product categories.
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