High-efficiency anti-pressure type Over EMC light IC H7230 overview

The principle of highlight switching: The principle of the remote light switch, first of all, there are two situations: one is a far-collected light (that is, the far-collected light is set in a module), its remote light switch It is divided into two kinds. 1 is to control the number of light sources, 2 is to control the visor (cover some of the high light, he turns a low light); the second is a high-light, a low-light split, so when you are bright, normal, low light It will be bright (some only bright the far light, the low beam is not bright, but this is relatively small, because the general design ideas will make full use of resources, but how do these two sites choose to see the definition of the car factory) And the bright light, it will be fine in the light. product description The H7230 is a medium and low voltage linear current high-defensive LED drive chip, which is suitable for inputting 5 to 100 V voltage range, the output current is adjustable, only one CS resistor can constitute a complete constant current. Driver circuit, RCS resistor adjustment output range 5-1200mA, the pressure difference between the LED port and the GND should be determined according to the output current and the package power consumption, depending on the heat condition, the pressure difference is not too large. The H7230 has a power MOS of 9A 100V. The current is 1200mA; when the low pressure difference driver circuit is used, the current is only 0.1V. The H7230 has built-in over temperature protection. When the temperature reaches 130 ° C, the output current is reduced. The peripheral extension of the H7230 can be extended, and the input voltage is highly reduced to reduce the output current. PWM applications can also be expanded. The H7230 is encapsulated by ESOP-8, and the bottom heat sink is connected to the LED port by default. Characteristics LED port withstand voltage 100V Single channel high power constant current drive Peripheral components simple Built-in large current power MOS Output current 1200mA Low pressure difference start 0.1 (1200mA) Support RGB output common yang Chip application system no EMI problem Application area: Light strip, electric car lamp, flashlight, solar, LED table lamp, LED mine lamp, flood light, and other DC LED lighting Free Sample / DEMO test / technical support, Pangong: 15323519289 WeChat Total QQ3007461762, Read more

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