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I2C interface to set power on timing, output voltage, and WLED current and dimming level
Products ▶ PMICs ▶ RT9999A/RT9999B
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A very high contrast ratio true digital PWM dimming can be achieved by driving the PWM pin
https://www.richtek.com/assets/product_file/RT8577A/DS8577A-02.pdf
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11 Bit Exponential and Linear Dimming Control Programmable Over-Voltage Protection
Products ▶ LCD & OLED Display Power ▶ RT4831A
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OVP6) in Step-Up Mode► PWM Dimming Control Load Disconnect Function for CH1 and CH2
Products ▶ PMICs ▶ RT9992
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Output Voltage LED PWM Dimming Control LED Open Protection Transformerless Inverting
Products ▶ PMICs ▶ RT9971A
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Output Voltage LED PWM Dimming Control LED Open Protection Transformerless Inverting
Products ▶ PMICs ▶ RT9971
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Open Protection (OVP7) ► Direct PWM Dimming Control Fixed 2MHz Switching Frequency
Products ▶ PMICs ▶ RT9986
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Open Protection (OVP7)► Direct PWM Dimming Control Fixed 2MHz Switching Frequency for
Products ▶ PMICs ▶ RT9986A
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Source Operation ► WLED Driver with Dimming Control ► Step-Up Mode with LED Open
Products ▶ PMICs ▶ RT5002
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User can easily configure each LED current from 1.25mA to 20mA by a PWM dimming control
Products ▶ LED Drivers ▶ RGB & White LED Drivers ▶ RT9368
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