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KP18059
KP18059 Five-channel linear I²C dimmable LED driver chip KP18059 is a high-precision RGB low-voltage CW high-voltage five-channel LED linear constant current dimming chip. It can independently set the current of 5 channels via an I²C (Inter-Integrated-Circuit Bus) interface and supports various dimming modes. The CW channel uses analog dimming, while the RGB channels support analog and PWM dimming. Each channel supports 1024 grayscale dimming, meeting the dimming requirements of various applications. The KP18059 CW channel has a withstand voltage of 500V and can be directly powered by AC input to drive high-voltage strips, with a maximum current of 77.5mA; the RGB channels have a withstand voltage of 40V and a maximum current of 160mA, meeting the linear constant current requirements of low-voltage RGB. The KP18059 features high constant current accuracy and 0.1% dimming depth. The KP18059 integrates a line voltage compensation function, with selectable compensation points and slopes, easily meeting high and low voltage constant power requirements without additional components. It also integrates an over-temperature protection function. When the chip temperature exceeds the over-temperature protection point, the chip automatically reduces the output current to ensure system stability.
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- Product Description
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- Commodity name: KP18059
- 封装: ESOP-8
- 品牌: Biyi Microelectronics
KP18059 Five-channel linear I²C dimmable LED driver chip KP18059 is a high-precision RGB low-voltage CW high-voltage five-channel LED linear constant current dimming chip. It can independently set the current of 5 channels via an I²C (Inter-Integrated-Circuit Bus) interface and supports various dimming modes. The CW channel uses analog dimming, while the RGB channels support analog and PWM dimming. Each channel supports 1024 grayscale dimming, meeting the dimming requirements of various applications. The KP18059 CW channel has a withstand voltage of 500V and can be directly powered by AC input to drive high-voltage strips, with a maximum current of 77.5mA; the RGB channels have a withstand voltage of 40V and a maximum current of 160mA, meeting the linear constant current requirements of low-voltage RGB. The KP18059 features high constant current accuracy and 0.1% dimming depth. The KP18059 integrates a line voltage compensation function, with selectable compensation points and slopes, easily meeting high and low voltage constant power requirements without additional components. It also integrates an over-temperature protection function. When the chip temperature exceeds the over-temperature protection point, the chip automatically reduces the output current to ensure system stability.
Main Features
• 5-channel linear dimming
• I²C controlled intelligent dimming, supporting simultaneous operation of five channels
• RGB channel withstand voltage 40V, maximum current 160mA
• CW channel withstand voltage 500V, maximum current 77.5mA
• Single channel 1024 grayscale dimming, dimming depth 0.1%
• ±5% inter-chip output constant current accuracy
• Ultra-low standby power consumption <20mW
• Integrated input line voltage compensation function
• RGB channel supports both PWM dimming and analog dimming
• Integrated 500V high-voltage power supply circuit
• Integrated over-temperature protection (OTP)
• Package type ESOP-8
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