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ISL78171 Datasheet 50ma Automotive Led Driver

Manufacturer: Renesas

Overview: DATASHEET ISL78171 6-Channel, 50mA Automotive LED Driver with Ultra-High Dimming Ratio and Phase Shift Control FN8602 Rev.1.00 Oct 20, 2017 The ISL78171 is a 6-channel, 50mA, LED driver capable of very high dynamic range dimming. It offers an integrated boost converter, six high precision, adjustable current sinks and a SMBus/I2C interface for digital programmability and extensive diagnostics.

Key Features

  • provide the ISL78171 with the capabilities to design a compact, highly versatile LED backlight for a wide variety of ambient lighting conditions. The integrated peak current mode PWM boost converter operates with a constant frequency and can boost an input voltage range of 4.5V - 26.5V to an output up to 40V and supply six strings of LEDs with up to 50mA each. A dynamic headroom control circuit detects and regulates the highest voltage string to improve efficiency in multistring configurations.

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ISL78171 Distributor