The BD1603NUV is a 1-channel 190mA charge pump white LED driver with a 1-wire serial interface. It is best suited for applications that require large current output. The driver features output voltage and oscillation frequency switch functions to accommodate a wide variety of applications. It has low power consumption, low ripple output, over current protection, soft start function, and various protection functions.
The BD1603NUV is a high‑power, 1‑channel white LED driver designed for applications requiring up to 190 mA current. It features selectable output voltage (4.5 V or 5.0 V) and two operating frequencies (238 kHz or 642 kHz) to suit a wide range of devices.
Key sections include general description, electrical characteristics, pinout, typical performance curves, and detailed mounting and safety precautions. The document also provides application examples such as mobile phones, portable game machines, and HDMI 5 V supply.
| Operating supply voltage | 2.7 V to 5.5 V |
|---|---|
| Oscillator frequency | 238 kHz or 642 kHz (typ.) |
| Operating temperature range | -30 °C to +85 °C |
| Maximum LED count | Up to 10 LEDs |
| Output voltage (typ.) | 4.5 V at 190 mA, 5.0 V at 150 mA |
| Shutdown current consumption | ≤ 2 µA |
| Package dimensions | 3.00 mm × 3.00 mm × 1.00 mm |
The device operates from 2.7 V to 5.5 V supply voltage.
It can drive up to ten LEDs in a single channel.