ALED7709

ALED7709 Datasheet Automotive LED driver 4-channel 200 mA with a DC-DC converter controller QFN24L (5x5 mm) Product status link ALED7709 Features AEC-Q100 Grade1 qualified – Operating temperature range -40 °C < TJ < 150 °C 4.5 V to 42 V operating input voltage range – Up to 60 V tolerant for load dump @ 24 V battery – Supports battery cranking events down to 4 V supply Simultaneous or exclusive control by PWMI and I2C interface Switching controller section – Low shutdown current: ISHDN < 15 µA – Fixed frequency peak current-mode controller – Cycle-by-cycle power switch OCP – Adjustable (250 kHz to 2.2 MHz) switching frequency with optional spread spectrum – Synchronized boost and SEPIC topologies support – Line switch control for standby power saving and inrush current protection – Input overvoltage and output short-circuit protection LED strings control section – 4 x 40 V rated constant current outputs – Adjustable up to 200 mA per channel – ±2 % typ. output current accuracy – Mixed PWM and Analog dimming – 100 Hz to 12.8 kHz dimming frequency – Dimming ratio 10000:1 at 100 Hz – LED temperature sensor (NTC) management – Selectable channels phase-shifting and adjustable Rise/Fall time for reducing EMI – Open channel, LED short-circuit detection – Two versions available: ALED7709A and ALED7709B Applications Automotive lighting and backlighting for: – Cluster / Infotainment display – Head-Up Display (HUD) – Instrument lighting system – Ambient light DS14214 - Rev...