| CN5502 |
| High-Voltage, Linear High-Brightness LED Driver IC |
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| General Description： |
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| The CN5502 current regulator operates from a 4V to32V input voltage range and delivers up to a total of 1A |
| to one or more strings of high-brightness LEDs. |
| The output current of the CN5502 is adjusted by using an external current-sense resistor in series with the |
| LEDs. A dual-mode DIM pin and on-chip 130Hz PWM generator allow PWM dimming with an analog or PWM input |
| signal.The analog controlsignal at dimming input DIM allows for a theater-dimming effect to be implemented. |
| The CN5502 is well suited for applications requiring high-voltage input and is able to withstand automotive |
| load-dump events up to 32V. An on-chip power MOSFET minimizes external components while providing ±5% |
| output current accuracy. |
| Also an EQ pin is adopted for equalizing LED current among multiple CN5502 used in parallel. |
| Additional features include a 5V regulated output and thermal regulation, etc. |
| The CN5502 is available in a thermally enhanced 8-pin SOP package and 8-pin DFN package. |
| Applications： |
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Lighting Systems |
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Automotive Interior and Exterior |
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Navigation indicators |
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Instrumentation illumination |
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Signage and Beacons |
| Features： |
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4V to 32V Operating Voltage |
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Adjustable LED Current up to 1A |
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On-chip 130Hz PWM Generator |
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Flexible Dimming Control, Analog or PWM Control Signal for PWM and Theater Dimming |
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External PWM Frequency: 80Hz to 400Hz |
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Integrated 32V, 1A MOSFET with 1.5A Current Limit(Typical) |
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Low Current-Sense Voltage Reduces Power Loss |
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Typical 5% LED Current Accuracy |
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High-Voltage Chip Enable Input for Dimming Interface |
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Current Equalizing Among Multiple CN5502 Used in Parallel |
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Thermal Regulation |
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Operating Temperature Range:－40℃ to 85℃ |
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Available in Thermally-enhanced 8 pin SOP or 8-pin DFN package |
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Pb-free，Rohs Compliant and Halogen Free |
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