Short Description:
Diodes Inc.?s new multi-topology LED driver, the ZXLD1374, is designed to increase the performance of high brightness automotive, industrial and commercial lighting systems.
Operating in buck, boost and buck-boost modes, the ZXLD1374 LED driver with integrated 60V power MOSFET switch is capable of producing a maximum LED current of 1.5A.
The IC uses high-side current sensing and patent pending control loops to achieve high accuracy current control of LED strings.
Key features:
- Min.- Max. Input Voltage:c 6.3 - 60 V
- Output Voltage: 60 V
- Max Output Current: 1.5 A
- LED Current Accuracy: 2 %
- Frequency typ: 1000 KHz
- Efficiency: 95 %
- Operating Temperature: -40 - +125 C
- Standby Quiescent Current typ: 160 uA
The inclusion of active LED thermal management, achieved via a dedicated external thermistor input, and through fault diagnosis outputs reporting LED driver and load status, results in greater LED reliability and longevity.
With dedicated DC dimming and PWM dimming pins, the ZXLD1374 provides a 1000:1 dynamic dimming range at 500Hz, ensuring highly accurate control of colour mixing and excellent resolution at low brightness levels.
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