STMicroelectronics ALED7709
the ALED7709x supports a mixed PWM and analog dimming to improve the brightness range capability. The ALED7709A is dedicated to BDM while ALED7709B is more suitable for SAM.| Part No. | ALED7709 |
|---|---|
| Datasheet | ALED7709 Download |
| Manufacturer |  STMicroelectronics |
| Description | Automotive LED driver |
| Buy | Stock & Price |
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) m...
