1. Project name: Landscape light common anode constant current IC, cast light constant current IC, floodlight constant current IC, 2.4GLED control scheme touch RGBW dimming constant current IC, common anode wall wash constant current IC, low voltage Power lamp constant current IC. Applicable :Smart RGBW Bulb Downlight Spotlight GU10 Panel Light Car Light Stage Light Track Light
2. Brand: Shenzhen Shi Microelectronics
3, product performance: 8-100V input, built-in MOS tube, the maximum output current of 2.3A
4, program features: excellent analog dimming and PWM dimming function, dimming depth 0-100%,
Built-in high precision comparator, switching frequency does not change with the dimming surface, built-in undervoltage protection, over temperature protection, LED open and short circuit protection,
350kHz operating frequency, built-in current sampling front-end blanking circuit, output common yang, can be used in parallel, unique frequency-jittering technology, over certification is easy.
5, specific application items:
A, 2.4G dimming temperature program AP5238 product information
B, Bluetooth, WIFI, ZIGbee RGBWC dimming solution
C, 0-10V dimming solution
D, track lights, stage lights, car lights, landscape lights, outdoor low-voltage lighting solutions and industrial lighting solutions, etc.
6, PWM dimming schematic:
7, over certification schematic:
8, PCB drawing board Note:
AP5238 DC-DC constant current scheme, output current 2.3A output common anode floodlights, wall washers and other low-voltage lighting layout issues.
PCB layout, place the CS resistor as close as possible to the IC pin, and make the freewheeling diode loop as small as possible.
It should be noted that a bypass capacitor of 0.47uF or more must be connected in parallel with the VDD pin of the chip to ensure stable operation of the circuit.
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