Increased efficiency and increased current through multi-chip modules with built-in MOSFET

Increased efficiency and increased current through multi-chip modules with built-in MOSFET

Multi-chip module products use a MOSFET with built-in body diodes with fast reverse recovery times (trr) suitable for motors. The latest products have achieved high efficiency by reducing losses by approximately 38% compared with conventional products in sine wave drive. Our products are aligned with the rated current of 5 A in small-surface packages (SSOP30) of 20 x 14.2 × 2.2 mm. In addition, the source terminals of each phase are individually separated. By combining them with our microcontrollers (MCUs) and motor drivers (MCDs), we can cope with sensorless control such as vector control using the three-shunt method.

The latest products have low on-resistance, and are equipped with a 600-V-breakdown-voltage super-junction MOSFET (SJMOS) with a built-in body diode (HSD: High Speed Diode) with a fast reverse-recovery-time (trr), which has been on the market for many years. As a result, the sine-wave drive is approximately 1.8 W (@input power = 40 W) compared with conventional products and highly efficient, reducing losses by approximately 38%.

Multi-chip module 3-Phase Brushless DC Motor Driver ICs

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