Controlador LED Texas Instruments TPS929121 Q1 de lado alto

El controlador LED de lado alto TPS929121-Q1 de Texas Instruments es un controlador LED de lado alto de 40 V de 12 canales que controla la corriente de salida de 8 bits y los ciclos de trabajo PWM de 12 bits. El dispositivo cumple con varios requisitos reglamentarios con diagnósticos de cortocircuito de circuito abierto, cortocircuito a tierra y de un solo LED. Un perro guardián configurable también define automáticamente estados a prueba de fallas cuando se pierde la conexión MCU y, con EEPROM programable, el TPS929121-Q1 se puede definir de manera flexible para diferentes escenarios de aplicación. Con una demanda creciente de animación en la iluminación de automóviles, los LED deben controlarse de forma independiente. Por lo tanto, los controladores LED con interfaces digitales son esenciales para realizar aplicaciones de iluminación controladas por píxeles de manera efectiva. En la iluminación externa, varias funciones de la lámpara generalmente se encuentran en diferentes placas de circuito impreso con cables externos conectados entre sí. Es difícil que una interfaz tradicional de un solo extremo cumpla con los estrictos requisitos de EMC. Usando una capa física CAN estándar de la industria, la interfaz FlexWire basada en UART TPS929121-Q1 de Texas Instruments realiza fácilmente comunicaciones externas de larga distancia sin afectar la EMC.

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