MAX16833EAUE/V+QA

Voltage - Output:	--
Supplier Device Package:	16-TSSOP-EP
Package / Case:	16-TSSOP (0.173", 4.40mm Width) Exposed Pad
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 125°C (TA)
Applications:	Automotive, Lighting
Dimming:	Analog, PWM
Frequency:	100kHz ~ 1MHz
Current - Output / Channel:	--
Series:	Automotive, AEC-Q100
Voltage - Supply (Max):	65V
Voltage - Supply (Min):	5V
Number of Outputs:	1
Internal Switch(s):	No
Topology:	Flyback, SEPIC, Step-Down (Buck), Step-Up (Boost)
Type:	DC DC Controller
Part Status:	Active
Packaging:	Tube

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Introduction

The MAX16833EAUE/V+QA is a pulse-width modulation (PWM) LED driver from Maxim Integrated. It provides the optimal solutions for driving high-brightness LED strings with a single LED driver, and it can be used in a wide range of applications from automotive, displays, to indoor and outdoor lighting. It also has a wide input voltage range, making it suitable for different AC/DC power sources. In this article, we will look at the application fields and working principle of the MAX16833EAUE/V+QA LED driver.

Application Field

The MAX16833EAUE/V+QA is a high automatically adjusted open-loop, green mode pre-biased PWM LED driver. It has a wide input voltage range of 4.3V to 30V, making it suitable for both AC and DC power sources. It also features constant-current accuracy of 0.5%, adjustable flicker-free current control and up to a 6.0V UVP shutdown voltage. The MAX16833EAUE/V+QA can be used in a wide range of applications from automotive display to indoor and outdoor lighting.

For automotive applications, the MAX16833EAUE/V+QA is suitable for single-string high-brightness LED headlights, DRLs and daytime headlights. It also provides excellent dimming control for LED headlights for enhanced driving safety and performance. In addition, it is compatible with CAN-Bus interfaces for further LED control.

For displays, the MAX16833EAUE/V+QA can be used for low-to-high intensity LED backlight dimming. It contains a special “jump and hold” ramp capacitor discharge feature that is essential for the programming of display brightness without any visual burning.

The MAX16833EAUE/V+QA can also be used for indoor and outdoor lighting applications. It can drive high-brightness LED bulbs and LED strips with a single LED driver, and it is compatible with CAN-Bus interfaces for LED modes control. Furthermore, it is also compatible with 1-10V, PWM and 0-10V dimming systems.

Working Principle

The MAX16833EAUE/V+QA works on a pulse-width modulation (PWM) system. It uses Pulse-Width Modulation (PWM) to control the intensity of the LED. This is done by varying the on and off time intervals of the pulses that are sent to the LEDs. When the pulses are on, the LEDs are powered and when the pulses are off, the LEDs are not powered. By varying the on/off time intervals of the pulses, the brightness of the LEDs can be accurately and dynamically controlled.

The MAX16833EAUE/V+QA also supports a special “jump and hold” ramp capacitor discharge function. This function allows the programming of display brightness without the risk of any visible burning. The MAX16833EAUE/V+QA also features a wide dimming control range which allows the user to control the brightness of the LED headlights or display from 0.5% to 100%.

The MAX16833EAUE/V+QA supports a wide range of AC/DC power sources and provides excellent current regulation and constant-current accuracy to eliminate possible flickering in the LEDs. It also contains a UVP shutdown feature that disables the LED driver when the input voltage is below a set level.

Conclusion

The MAX16833EAUE/V+QA is a pulse-width modulation (PWM) LED driver from MAXIM Integrated which provides the optimal solutions for driving high-brightness LED strings from automotive display to indoor and outdoor lighting. It has a wide input voltage range of 4.3V to 30V, making it suitable for different AC/DC power sources. It also features constant-current accuracy of 0.5%, adjustable flicker-free current control and up to a 6.0V UVP shutdown voltage. It contains a special “jump and hold” ramp capacitor discharge feature that is essential for the programming of display brightness without any visual burning. Moreover, it is also compatible with 1-10V, PWM and 0-10V dimming systems. The MAX16833EAUE/V+QA is an ideal solution for any high-brightness LED string applications. Its wide range of features and wide input voltage range make it suitable for a wide range of applications.

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