IS31IO7325-GRLS4-TR

Due to market price fluctuations, if you need to purchase or consult the price. You can contact us or emial to us:   sales@allicdata.com

IS31IO7325-GRLS4-TR can be classified as an I/O expander. Generally speaking, I/O expanders are designed to expand the number of digital I/O points interfaceable with a microcontroller (MCU) or processor. This type of expander expands digital I/O points when an input or read port of a driver is too small to connect additional I/O circuits.

The IS31IO7325-GRLS4-TR is a low-cost, high-resolution, low-current LED driver IC. This LED driver IC is designed for driving automotive LED headlamps, turn indicator lamps and other LED backlighting applications. It is capable of driving up to 4 strings of LEDs in serial/parallel 6 current sink circuits. This IC has an integrated converter circuit that allows the user to select either a 5V or 3.3V logic input voltage range.

The IS31IO7325-GRLS4-TR IC has an integrated 4-bit serial in/serial out IC for serial communication among multiple LED driver ICs. An internal oscillator and 7 address bits provide flexible control outputs to the LED strings, allowing individual LED string control. It also supports in-application programming that allows multiple LEDs on astring to light individually or together, depending on the incoming serial information. Furthermore, this IC features built-in test-mode modes, allowing designers to test their design without a special test circuit.

The working principle of IS31IO7325-GRLS4-TR can be explained in a few steps. First, the 4-bit serial in/serial out of the chip communicates with the controller to receive the appropriate control data. Then the received data is transferred to the internal logic block and compared against the stored data. The logic block then generates the necessary control signals to the current sink circuit to drive the LED strings according to the incoming data. Finally, the generated control signals are sent to the current sink circuit to drive the LEDs on the headlight, turn indicators, and other LED backlighting applications. The driver is capable of delivering up to 6 current sink outputs per each LED string.

The IS31IO7325-GRLS4-TR is a low-cost, high-performance LED driver IC designed for automotive applications. This LED driver IC is ideal for LED headlamp, turn signal lamps and LED backlighting applications. It features an integrated 4-bit serial in/serial out IC that supports multistring control, an internal oscillator to generate control signals and in-application programming. With its low supply current, low standby current and low profile package, this LED driver IC is suitable for use in automotive applications where space and power efficiency are key.

The specific data is subject to PDF, and the above content is for reference