Integrated half-bridge driver circuit

Details Integrated half-bridge driver circuit Integrated half-bridge driver circuit

1995-04-10

1996-08-06

Callahan, Timothy P.

Miscellaneous active electrical nonlinear devices, circuits, and

Signal converting, shaping, or generating

Current driver

327 74, H03B 100

Patent

active

055437400

ABSTRACT:
An integrated half-bridge driver circuit for driving a half-bridge output stage having high-side and low-side power transistors coupled together at a high-voltage output terminal includes a low-voltage control circuit and a floating well within the integrated circuit which has a timing circuit for controlling the activation of the high-side power transistor. The driver circuit further includes a high-voltage interface circuit for coupling a control signal from the low-voltage control circuit to the timing circuit within the floating well. In this manner, an integrated half-bridge driver circuit is obtained which is capable of operating at high frequencies due to the relatively low power dissipation in the control and timing circuitry.

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"Drive Technique for High Side N-Channel MOSFETs" by Warren Schultz, Motorola Inc. SPS, PCIM Jun. 1987, pp. 34-40.
"An Integrated High-Voltage Bridge Driver Simplifies Drive Circuits In Totem-Pole Inverters" by Brian E. Taylor, PCCI Jun. 1988, pp. 166-171.
"Driving the SIPMOS Field-Effect Transistor as a Fast Power Switch" by E. Hebenstreit, Siemens Forsch u. Entwickl-Ber. Bd. 9 (1980)Nr. 4, pp. 200-204.
"High Voltage MOS Gate Driver", International Rectifier, Data Sheet No. PD-6.011B, IR2100.

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