Single-chip solution monitors voltage, current in power inverters

May 17, 2010
austriamicrosystems announces the AS8002, an integrated solution for voltage and current monitoring in power inverters.

austriamicrosystems announces the AS8002, an integrated solution for voltage and current monitoring in power inverters. This single-chip design offers improved performance and reduced system cost of power inverters while allowing simplified design with a reduced number of components. The AS8002 is especially targeted for grid-connected systems such as solar photovoltaic inverters.

The chip offers advantages over alternative approaches for monitoring electrical power injected into the grid. The AS8002 allows use of low-cost resistors for current and voltage sensing; the sensed voltage and current are directly available in high-resolution digital format. The chip’s flexible front-end provides adjustable gain to accommodate various resistor values, and on-chip calibration allows compensation for external component inaccuracies as well as variations over temperature.

Added features like fast over-current detection provide additional safety. These features make the AS8002 also attractive for other power monitoring applications, such as wind turbines and uninterruptible power supplies.

The AS8002 is available in a 4 x 4 mm QFN-16 package, operates from 3.0 to 3.6 V and is specified for an operating temperature range of -40° to 125° C.

For more information, contact austriamicrosystems USA Inc., 5201 Great America Parkway, Suite 320, Santa Clara, CA 95054. Phone: 408-345-1790.

Comments

To join the conversation, and become an exclusive member of Electronic Design, create an account today!