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STMICROELECTRONICS ALED7709ATR
LED Driver, Synchronous Boost, 4 Output, 2.2 MHz, 0.2 Aout, AEC-Q100, 4.2 to 42 Vin, QFN-EP-24
- Manufacturer:
- STMICROELECTRONICS STMICROELECTRONICS
- Manufacturer Part No:
- ALED7709ATR
- Order Code:
- 4176081
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- Product Range
- -
- Technical Datasheet:
- ALED7709ATR Datasheet
- ECAD / MCAD
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Product Information
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- Synchronous Boost
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- -
- :
- 4.2V
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- 42V
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- 40V
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- 200mA
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- 2.2MHz
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- Surface Mount
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- QFN-EP
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- 24Pins
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- -40°C
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- 150°C
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- -
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- AEC-Q100
Technical Documents (1)
Product Overview
ALED7709ATR is an automotive-grade (AEC-Q100 grade1 qualified) LED driver combining a boost/SEPIC controller and four low-side constant-current sinkers, designed to drive strings of high-brightness LEDs. The switching converter section provides the supply rail for the LED strings, whose value is constantly optimized for maximum efficiency. The boost/SEPIC controller supports the external synchronization and spread spectrum. It can work simultaneously or exclusively in standalone mode (SAM), controlled only by PWMI signal, and in bus-driven mode (BDM) through an I2C serial interface. The brightness of the four LED strings can be controlled either in global or local mode. In global mode, this supports a mixed PWM and analogue dimming to improve the brightness range capability. Typical applications are automotive lighting and backlighting for:cluster/infotainment display, head-up display (HUD), instrument lighting system, ambient light.
- Operating temperature range from -40°C
TJ 150°C - 4.5V to 42V operating input voltage range
- Up to 60V tolerant for load dump at 24V battery, supports battery cranking events down to 4V supply
- Simultaneous or exclusive control by PWMI and I²C interface
- Fixed frequency peak current-mode controller, cycle-by-cycle power switch OCP
- Synchronized boost and SEPIC topologies support, input overvoltage/output short-circuit protection
- 4 x 40V rated constant current outputs, adjustable up to 200mA per channel
- Selectable channels phase-shifting and adjustable rise/fall time for reducing EMI
- QFN24L 0.65mm pitch small package
- 100Hz to 12.8KHz dimming frequency, dimming ratio 10000:1 at 100Hz
Packaging type
Cut Tape
Available for back order
More stock available to supplier lead times which is approximately 2/16/26
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¥492.20
(¥541.42 Inc. JCT)
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| Quantity | Price (Incl JCT) |
|---|---|
| 1+ | ¥492.20 (¥541.42) |
| 10+ | ¥365.23 (¥401.75) |
| 25+ | ¥349.75 (¥384.73) |
| 50+ | ¥334.26 (¥367.69) |
| 100+ | ¥318.77 (¥350.65) |
| 250+ | ¥303.29 (¥333.62) |
| 500+ | ¥287.80 (¥316.58) |
| 1000+ | ¥272.31 (¥299.54) |
| Quantity | Price (Incl JCT) |
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