Batteries and Portable Power

Sipex Intros SP730 Microprocessor Supervisor IC

Sipex Corp. (Milpitas, CA), a provider of high-performance, analog integrated circuits, introduced the SP730, a microprocessor supervisor IC, which expands Sipex's array of supervisor and reset circuits with its miniaturized technology for densely packed applications. Offered in a surface-mount, three-pin, SOT-23 package, the SP730 is suitable for monitoring critical system voltages in portable applications where long battery life is important.

To minimize battery drain, the SP730 consumes 45 µA of quiescent current. The new microprocessor supervisor is factory programmed to monitor 2.8 V and 3.0 V for CDMA, as well as 3.3 V and 5 V for consumer applications. The part operates by generating an active low pulse for 350 ms to hard-reset any processors or ASICs that may fail due to questionable power quality. The part is specified to operate over an extended temperature range of -65 °C to +125 °C.

The SP730 is available now in the three-pin, SOT-23 package. Samples are also available to help in the evaluation of the device. Pricing starts at $0.59 each in 1,000-unit quantities.

Sipex Corp.
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