LED driver for the general engineers should be no stranger, it is widely used in large shopping malls display, LED backlight, lighting and other applications. This article inventory since August this year, LED driver search the most, most of the engineers favorite ten LED driver.
NO.1 ADD5211 (Chinese information) fire: ★ ★ ★ ★ ★ month search volume: 1871 times
A four-string white LED driver based on high efficiency, boost converter technology is ideal for applications with LCE backlighting, and its biggest bright spot is built-in four adjustable current absorbers for uniform brightness The In the LCD monitor, television backlight and lighting play an irreplaceable role.
Key Features and Benefits:
1, LED short circuit protection, LED open circuit protection
2, integrated open drain fault output
3, programmable soft-start to reduce the inrush current when starting
NO.2 FLS3217 (Chinese) fire: ★ ★ ★ ★ ★ month search volume: 1731 times
The same is the last two years a relatively hot LED driver controller, which has a variety of functions, including can improve the performance of low-power flyback converter. While the use of fewer external components to achieve the cost to a minimum, the biggest concern should be very low starting current and operating current, especially for LED lighting system.
Key Features and Benefits:
1, do not rely on the line voltage, output voltage and inductor changes in the precise constant current control
2, low starting current: 20μA, low operating current: 5mA
3, over-temperature protection (with automatic restart)
NO.3 LT3791 Fire: ★ ★ ★ ★ ★ month search volume: 1700 times
A 4-switch buck-boost LED driver controller. Because of its ultra-high efficiency of synchronous switching in one fell swoop to seize the attention of engineers, fire * heat continued high * climb. And provides an input current monitor, open or short circuit LED fault status. Very suitable for automotive, industrial, and even battery-powered system LED driver applications.
Key Features and Benefits:
1, synchronous switch: up to 98.5% efficiency
The 2,4-switch single inductor architecture allows V IN to be higher than or equal to V OUT
3, open or short circuit LED fault protection
NO.4 TPS92075 (Chinese) fire: ★ ★ ★ ★ month search volume: 1624 times
A hybrid power factor LED driver with built-in phase dimming solution from Texas Instruments. It uses a constant off-time control to achieve a low number of components, high efficiency and naturally provides a change in switching frequency. Particularly applicable to: large area lighting, brightness adjustable and non-adjustable LED lights.
Key Features and Benefits:
1, analog reference control to achieve dimming
2, constant LED current running
3, overvoltage protection and feedback short circuit protection
NO.5 MAX16832A (Chinese information) fire: ★ ★ ★ ★ month search volume: 1555 times
A step-down, constant-current, high-brightness LED driver that provides a proven solution for automotive interior / exterior lighting, building and ambient lighting, LED lighting and other LED lighting applications. With the reentrant thermal management function, when the LED string temperature exceeds the specified temperature can reduce the LED current, but also has a thermal shutdown protection.
Key Features and Benefits:
1, LED current accuracy: ± 3%
2, resistance programmable LED constant current, integrated high side current detection
3, reentrant thermal protection / linear brightness adjustment
NO.6 TM3697 fire degree: ★ ★ ★ ★ ★ month search volume: 1438 times
A 11-bit LED driver for high-performance three-string light source for backlighting or keypad LEDs in smartphones for high-performance backlight dimming with up to 90% transfer efficiency for LED strings. Can minimize the clearance voltage and effectively enhance the LED efficiency.
Key Features and Benefits:
1, can support up to 40V output voltage of the high-voltage light string, and the efficiency of up to 90%
2, fully programmable LED grouping and control
3, adaptive boost output to LED voltage
NO.7 TLC5955 fire degree: ★ ★ ★ month search volume: 1413 times
A 48-channel, constant sink current driver with each channel has a separate adjustable, pulse width modulation (PWM), grayscale brightness control, with two error flags: LED open circuit detection and LED short circuit detection, can use a serial Interface port to read the error detection results. Very suitable for: LED video display.
Key Features and Benefits:
1,48 constant sink current output channels
2, automatically repeat the display function
3, delay switch to prevent the influx of current
NO.8 TPS92690 (Chinese) Fire: ★ ★ ★ month search volume: 1005 times
A high-voltage, low-side LED driver for N-channel controller, with an adjustable output current sense resistor voltage, is ideal for LED drivers. Contains all the features required to perform current regulators based on boost, SEPIC, flyback and CuK topologies.
Key Features and Benefits:
1, programmable oscillator frequency
2, external synchronization function, programmable soft start
3, metal oxide semiconductor field effect transistor gate driver
NO.9 MAX16831 fire degree: ★ ★ ★ month search volume: 999 times
A current-mode, high-brightness LED driver that includes a floating dimmer driver controls an external N-channel MOSFET in series with an LED string, and more than 90% of automotive applications enable high-brightness LED drivers to achieve conversion efficiency, making it ideal for navigating and fleet Management indicator.
Key Features and Benefits:
1, integrated differential LED current sense amplifier
2, on-chip 200Hz ramp can be synchronized to the external PWM dimming signal
3, the output overvoltage, load open circuit, LED short circuit, overheating protection
NO.10 88EM8183 fire degree: ★ ★ ★ month search volume: 856 times
A deep dimming single-stage AC / DC LED driver IC provides Marvell's innovative mixed-signal architecture and signal processing technology to provide dimmers with as low as 1% deep dimming and a wide range of highest compatibility A unique primary current control mechanism that achieves very strict output current regulation in a wide range of AC inputs.
Key Features and Benefits:
1, to provide high efficiency, high power factor, low harmonic distortion and low electromagnetic interference
2, integrated a high voltage boot power circuit, no external start circuit
3, significantly reduced the required external dimmer LED driver
The above is for everyone to show the recent period by the engineers are most concerned about the most popular ten LED driver, LED driver has become an indispensable member of our lives. It makes our lives become colorful, become vivid and concrete, become superb!