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The MAX20090AUPA/V high voltage HB LED controller is a single-channel, high-brightness LED driver for automotive headlight applications. The device can drive LED strings with input voltages from 5V to 65V and a maximum output voltage of 65V.

The MAX20090AUPA/V detects the output current on the high side of the LED string. High-side current detection is required to prevent a short circuit from the output to ground or battery input. The device is also the most flexible solution for driving LEDs, supporting boost, high-side buck, SEPIC mode, or buck-boost mode configurations.The PWM input provides LED dimming ratios up to 1000:1, and the ICTRL input provides additional analogue dimming functionality in the controller.

Features

High-brightness LED driver with wide input range saves space and cost through integration

Wide input voltage range of +5V to +65V

Maximum boost output voltage of +65V

ICTRL pin for analogue dimming

Integrated high-side current sense amplifier

200Hz on-board ramp simplifies PWM dimming

Flexible architecture supports easy design optimisation

Configurable as boost, high-side buck, SEPIC, buck-boost, zeta, and Cuk

Programmable switching frequency: 200kHz to 2.2MHz

Spread spectrum modulation reduces EMI noise

Automotive characteristics and stability improve system reliability

Troubleshooting via fault markers

Short-circuit, overvoltage and thermal protection

Operating temperature range: -40°C to +125°C

Applications

Automotive exterior lighting

Commercial, industrial and architectural lighting

Daytime Running Lights (DRL)

Fog lights and adaptive headlight clusters

Head-up displays

High beam/low beam/signal lamps/width indicator lamps

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  A: our self-supporting products are from cooperative domestic and foreign original factories or authorized agents, and the source can be traced to ensure the original and authentic products.

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• 6.Can the company issue an invoice?

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