Renesas Electronics’ R2A20134 LED Driver IC

Renesas Electronics America has released its R2A20134 LED driver IC which can supply high efficiency and a high power factor at low cost for LED lighting applications.

Renesas Electronics’ voltage step-down control technology (single-stage) provides a high line-to-ground voltage. Besides, the ability to select low-voltage MOSFETs (voltage tolerance of only 500 volts (V) to 300 V, rather than the typical 700 V) further contributes to lower system cost.

The use of Renesas Electronics’ exclusive high-voltage control and critical-conduction mode enable zero-current switching at turn-on and switching in a low drain-source voltage state. Therefore, the new LED driver IC enables reduction of power loss during switching and achieves the industry-leading power factor of 92 percent by reducing the power loss during switching. In addition, critical-conduction mode allows PFC control using few external components and realizes a power factor of 0.9 or higher.

By changing the configuration of the externally connected elements, a variety of control modes can be achieved. Examples include buck-boost control, average-current control, peak-current control, and constant-input-power control.

It also can be employed in TRIAC dimmer applications by applying a voltage matched to the TRIAC phase to the FB pin for constant-current control. The company additionally supplies drive MOSFETs meeting a variety of power and performance requirements.

About Renesas Electronics America Inc.
Renesas Electronics America Inc., headquartered in Santa Clara, California, is a wholly owned subsidiary of Renesas Electronics Corporation,. Renesas Electronics America offers local manufacturing in Roseville, California, and the global manufacturing capabilities of its parent company. In the Americas, Renesas Electronics America markets and sells industrial-type active-matrix LCD modules from NEC LCD Technologies, Ltd.

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