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indie Semiconductor iND83215 Three-Way RGB LED Driver IC is an automotive-grade device with an integrated 32-bit Arm® Cortex® M0 processor, 48kB of Flash, and 8kB of SRAM, creating a single-chip solution for interior lighting systems. The IC includes a flexible power management system, 3x open-drain LED I/O drivers (with programmable current and 16-bit PWM), device monitoring features, and external interfaces for control and expandability. When connected directly to the automotive supply, the iND83215 withstands up to 45V load dump from a car battery. An integrated power management unit implements two on-chip voltage regulators, with one requiring an external capacitor.
Three LED drivers each support a maximum of 60mA constant current with a 100µA resolution at high voltage (up to VBAT). An integrated temperature sensor ensures the chip does not exceed its operating temperature range of -40°C to +125°C. There is one SPI Master, one UART, and two LIN transceivers/controllers (master and slave, version 2.2) that provide LIN auto-addressing functionality by using the LIN Switch Method (LSM). The device also features an integrated 10-bit ADC for monitoring purposes.
The indie Semiconductor iND83215 LED Driver IC integrates up to ten GPIOs to enhance functionality and flexibility, making the device suitable for general-purpose microcontroller applications. The device can be expanded for lighting applications to drive additional RGB LEDs using external MUX switches to time-multiplex drive currents.
