IS31BL3508A-TTLS2-TR

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The IS31BL3508A-TTLS2-TR is an LED multi-segment indicator driver from ISSI. This device is a triple link, intelligent LED driver. It allows for the implementation of up to 6 independently addressable LED segments that can be used for indicators or signaling. The device is part of the IS31BL3508A series which feature different top and bottom layouts for a multitude of application needs. The TTLS2-TR variant features a triple link layout, where the two nearest pins of each of the three segment blocks are connected via a trace link.

The IS31BL3508A-TTLS2-TR is a device typically used in PMIC (Power Management Integrated Circuit) applications, specifically LED driver configurations. As part of a PMIC, the IS31BL3508A-TTLS2-TR and other devices in this series are used to provide energy and power management solutions to power devices. The IS31BL3508A-TTLS2-TR specifically provides a solution for lighting and/or signaling applications. The device integrates a 3-channel high voltage constant current source driver to drive segmented LED displays.

The working principle of the IS31BL3508A-TTLS2-TR is to provide a constant current for LEDs. It uses a constant current generator to ensure that each LED segment is receiving the same amount of current. This helps to ensure that the brightness of each LED segment is properly maintained. The device is controlled by a 3-wire interface which allows for up to 6 LED segments to be independently addressed. The outputs are high voltage and are capable of driving up to 6 LED channels in a multiplexed or independent configuration.

The IS31BL3508A-TTLS2-TR is an ideal device for PMIC applications that require an LED driver solution. The device utilizes a constant current source driver to ensure consistent LED brightness, and can drive up to 6 LED channels in either multiplexed or individual configurations. Its simple 3-wire interface allows for up to 6 LED segments to be independently addressed. This helps to streamline the development time and cost, making this device an optimal choice for LED driver solutions.

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