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The MAX25610AAUE+ is a fully synchronous LED driver that provides a constant current output to drive high power LEDs. The MAX25610AAUE+ integrates two 60mΩ power MOSFETs for synchronous operation, minimizing external components. Flexible configurations support buck, inverting boost/buck, and boost conversion. The devices are current-mode controlled to provide fast transient response and simplified loop stabilization. MAX25610AAUE+ includes cycle-by-cycle current limiting, output overvoltage protection (OVP), light string open circuit protection, output short circuit protection (SCP), and thermal shutdown.

The MAX25610AAUE+ is ideal for automotive applications requiring high voltage inputs and can withstand throw-load events of up to 40V. The device can also be used as a DC-DC converter, utilizing the FB input as feedback to the output divider. MAX25610AAUE+ is available in a thermally enhanced, 16-pin TSSOP-EP package and a 16-pin TQFN package. The devices operate over the -40°C to +125°C automotive-grade temperature range.

Features

Supports automotive applications: AEC-Q100 certified

Highly integrated to minimise BOM, save space and cost

Wide input voltage range of 5V to 36V to support step-up/step-down LED driver applications

2.2MHz switching frequency option reduces inductor size

Internal current sensing option reduces cost

Integrated high-side and low-side switching MOSFETs

PWM dimming with analogue control voltage minimises the need for additional components for dimming

Wide dimming ratio supports high contrast ratio

Analogue and PWM dimming

Multi-topology architecture offers high flexibility

Step-down LED driver for automotive battery-powered 1 to 2 LED applications

Inverting step-up/step-down LED driver for 3 to 5 LEDs for automotive battery-powered applications

Protection features and wide temperature range increase system reliability

-40°C to +125°C operating temperature range

Short-circuit, overvoltage and thermal protection

Low-level active FLT marker to indicate faults

Applications

Automotive lighting applications

Industrial lighting applications

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