Kathy Technology will release the latest isolated and non-isolated LED lighting drivers

Layout LED lighting driver field TM Technology, Inc. (5468), will launch a mains input source isolated driver solution at the end of December, including "natural power factor adjustment driver T8602A", which does not require With a passive or active power factor adjustment circuit, a PF > 0.95 requirement can be achieved. IC T8602A plus PWM and linear dimming can be used in a variety of different applications, so that a variety of novelty features can be displayed on the finished products, such as wireless, voice, infrared dimming. The T8602A maintains good constant current characteristics when the mains input varies greatly (AC 85V ~ 277V). At the same time, Cathy can assist customers in power-driven application circuit design. Together with the T8602A features, we have developed several transformers that meet our customers' LED lighting drive requirements.

The company's product line covers mains input light source drivers, portable lighting drivers, and projection lamp drivers for stores or showrooms, and can develop a range of lighting IC products based on market or customer needs. Its driver, there are three categories: 1. Mains isolation and non-isolation type, full-voltage mains use without conversion, directly replace existing lamps; 2. DC/DC switch, LED series-parallel design is easy and efficient; 3. Analog type constant current class, simple and stable design.

In terms of non-isolated driver solutions, Kathy offers lamps with narrow internal space such as T5 tubes, GU10, candle lamps, etc. It is recommended to use T8611A, which uses very few peripheral parts and no electromagnetic interference. The matching of the LED light source is designed to meet the required power and power requirements. This solution is available in low power and low cost applications. On the T8 tube and E27, it is recommended to use T8601A, apply the valley-filled passive power factor adjustment circuit, let the power factor reach 0.9 or more, and the efficiency is over 80%. It can solve the problem that the transformer is too large due to the traditional isolated driving mode. Can not be placed in the tube, causing insufficient space. The mass production stability of the T8601A has reached the level of HV9910B, and the input voltage tolerance and stability are also better.

In the DC/DC switch class, Kathy Technology introduced T6322A, T6333A and T6331A for MR16, AR111, PAR20/PAR30/PAR38, track lights and other lamps, suitable for 12V or 24V input voltage conditions. T6322A and T6333A adopt buck switch structure, which has extremely high efficiency, and the maximum operable current is 1.5A, which is easy to prepare. The T6333A can work up to 40V. For radiated and conducted electromagnetic interference, solutions are available to meet regulatory requirements. If the number of LED light source serial connections changes (VF change) or the input power supply is unstable, the T6331A buck-boost control mode can make the LED light have a wider range of use, and the light fixture has more brightness. More changes.

In analog analog current classes, Kathy's products include: T6335A, T6340A, T6311A and T6316A. The T6335A is a constant current source driver for portable luminaires such as flashlights, miner's lamps, headlights, bicycle lights, camping lights, and garden lights. The T6335A has a simple application design with only 3 pins. It does not require extra parts on the outside and provides a stable constant current source. The constant current ranges from 80mA to 350mA, and the constant current value can be changed according to customer requirements. The T6340A provides a constant current of 700mA. There are different internal states for customers to use. Functions such as dimming and flashing lights are built in. Customers only need to select their specifications. Cathy will create the required functions for customers. In addition to the most basic and important SOS Morse code, the T6340A can meet the practical needs of end users in a variety of portable light source applications. In terms of multi-channel constant current source, there are driver ICs such as T6311A and T6316A, which use external resistors to adjust the current level or PWM signal control to provide the dimming function required by customers.

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