Patent Number: 6,486,714

Title: Half-bridge inverter circuit

Abstract: In a drive circuit of a half-bridge inverter circuit, a stable operation cannot be performed at a start-up time and a problem exists such that if a high side output signal is first outputted, main switching elements and are simultaneously turned on. In the present invention, a start-up circuit comprising a latch circuit and a gate circuit are provided, the latch circuit is set while prioritizing a low-side signal, and a low-side output signal is always first made high level, thereby realizing a half-bridge inverter circuit which can start up wit a stability.

Inventors: Ushida; Atsuya (Oizumi-machi, JP), Ikeda; Kenji (Oizumi-machi, JP), Saito; Takaaki (Ora-machi, JP)

Assignee: Sanyo Electric Co., Ltd.

International Classification: H02M 1/00 (20060101); H02M 7/538 (20060101); H05B 41/282 (20060101); H05B 41/285 (20060101); H05B 41/28 (20060101); H05B 037/02 ()

Expiration Date: 11/26/2019