Product category:
Power Supply ICs and Controllers
News Release from: Micrel | Subject: MIC2776 supervisor IC
Edited by the Electronicstalk Editorial
Team on 15 February 2001
Power supervisor monitors supplies down
to 300mV
An adjustable ultra-low-voltage supervisor IC for monitoring power supplies as low as 300mV has been developed by Micrel Semiconductor.
An adjustable ultra-low-voltage supervisor IC for monitoring power supplies as low as 300mV has been developed by Micrel Semiconductor Available in Micrel's IttyBitty SOT235 packaging, the MIC2776 features a choice of output options and ultralow quiescent current
This article was originally published on Electronicstalk on 5 Dec 2000 at 8.00am (UK)
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"Most existing voltage supervisor ICs can monitor voltages only as low as 1.5-2.5V", says Jim Judkins, Product Marketing Manager.
"The MIC2776, however, can monitor supplies down to only 300mV - a unique capability", Judkins adds.
"As manufacturers shrink process geometries to make higher performance, lower cost CPUs, DSPs, SOCs, memories and ASICs, the core voltages required by these devices are dropping rapidly", Judkins continues.
'Processors are already entering the sub-one-volt area, and will likely go lower.
The MIC2776 is the only integrated solution to monitoring these supplies".
"Because there is no standardisation in core voltages, and they often change from one product generation to the next, the MIC2776 is user-adjustable", Judkins says.
"This adjustability allows designs to migrate easily from generation to generation.
In addition, OEMs can stock a single device rather than hassle with procuring multiple, customised parts for different projects".
The MIC2776's power supply current is a portable-friendly 3.0uA.
A manual reset input is provided for a reset switch or for daisychaining the MIC2776 onto existing power supervision circuitry.
Three versions are being offered with different output topologies, all manufactured using Micrel's proprietary BiCMOS process: the MIC2776HBM5 has an active-high output; the MIC2776LBM5 has an active-low output; and the MIC2776NBM5 has an open-drain, active-low output.
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