MAX25606ATP/VY+

MAX25606 6-Switch Matrix Manager for LED Lighting

Analog Devices MAX25606 6-Switch Matrix Manager for LED Lighting is optimized for single- or dual-string automotive lighting applications. The MAX25606 integrates six individually controlled N-channel MOSFET switches. Each switch has an on-resistance of 0.2Ω and is rated to withstand 16V. A single current source can be used to power all the LEDs connected in series. Individual LEDs can be dimmed by turning on and off the bypass switches across each LED. The MAX25606 can also be configured in two-string applications with three switches in series per string. Each switch can be connected across one, two, or three LEDs in series. This device also allows for the parallel connection of two switches to bypass high-current LEDs. The MAX25606 includes an internal charge pump that provides power for the gate drive for the LED bypass switches.

IS32LT3175N/P Single-Channel Linear LED Drivers

ISSI IS32LT3175N/P Single-Channel Linear LED Drivers come with fade in/out and PWM dimming. The regulators serve as a stand-alone LED driver-configurable from 20mA to 150mA with external resistors, no microcontroller is necessary. A logic level “courtesy light” signal from the PWM pin can be interfaced to precisely drive the LED channel. The IS32LT3175P obtains a positive polarity PWM signal. In addition, the IS32LT3175N obtains a negative polarity PWM signal. The regulator integrates a 63-step fade-in and fades out the algorithm (Gamma correction). This causes the output LED current to increasingly rise up to the full source value after the EN pin is pulsed.

Optical ADI SLP