1, it is understood that the recently launched thyristor dimming led power ic chip SM7720P, SM7722P, SM7724P. (4OOO 336 5I8) Dimmable switching power supply LED lighting driver product series, the system can choose PWM dimming, analog and 0-10V dimming, thyrist dimming, switch dimming and other dimming methods.
2, SM7724P is a high-precision LED constant current driver chip supporting thyristor dimming, applied to non-isolated LED power system, suitable for 85Vac> < p > there are national semiconductor LM351LM270LM2795LM2795LM2796 produced about the same, look at your own preferences for person.
DOB is to put the LED constant current Driver source driver on the aluminum substrate, this technology has been available as early as 5 years ago, of course, at that time not called DOB and called light engine.
The MOJAY M8910 is a single-stage flyback and PFC driver chip aimed primarily at LED lighting applications. It is a primary side feedback control chip that does not require any secondaryFeedback control can eliminate optocoupler and 431, and effectively reduce the overall project cost.
The output can withstand 17v, and multiple leds can be connected in series at each output end. LED display special driver chip refers to the driver chip designed specifically for LED display according to the LED luminous characteristics.
AC-DC conversion chip: responsible for converting alternating current to direct current, such as the chip used in the aforementioned power adapter or power module. DC-DC conversion chip: includes eachVarious forms of converters, such as Buck converters, Boost converters, and buck-boost converter chips.
SGM4151, the chip is a high-efficiency power management chip for portable devices and low-power applications for battery-powered devices. < / p > < p > common power management chip are HIP630IS653RT923ADP316KA7500, TL494, etc. The following will detail the main types of power management chips, and illustrate four common power management chips.
The main power management chips are dual-in-line chips, and some are surface-mount packages, among which HIP630x series chips are more classic power management chips, designed by the famous chip design company Intersil.
Pin power management chip models include PF7001S PF7001 SOP, UC3843D UC3843AD SOP1LTC4263IS#PBF Linear Technology.
Pin power supply chip model 8370 is a commonly used power supply tubeThe chip is mainly used for power supply management of electronic equipment. With over voltage, under voltage, over current, short circuit protection and other functions, support a wide range of input voltage.
2, MP1584EN is A buck module, based on the MP1584EN chip, capable of driving 3 A loads and converting input voltages between 5 V and 28 V to lower voltages between 0.8 V and 20 V. The principle lies in its internal BUCK circuit.
3, mp1584 power chip, its working frequency is related to the size of its 6th pin resistance, the 6th pin is the frequency programming input, adjust the size of the 6th pin resistanceSmall can change the switching power supply frequency, up to 5MHZ.
4, with Altium Designer or Protel DXP software can open the SCHDOC file, SCHDOC file is a schematic file. To demo the software version Altium Designer, please follow the steps below. First locate the target SCHDOC file on your computer and right click with your mouse.