10/25/2002 - Texas Instruments announced two hot swap power managers optimized for use in nominal -48V systems. Providing designers simple-to-program features that allow precise control of current and voltage during turn-on and operation, TI´s new TPS2392 and TPS2393 are ideally suited for -48V distributed power systems, central office switching, optical networking systems and wireless base stations.
The TPS2392 and TPS2393 hot swap power managers operate with supply voltage ranging from -20V to -80V, and are rated to withstand spikes to -100V. Combined with an external N-channel field effect transistor (FET) and sense resistor, they can be used to enable live insertion of plug-in cards and modules in powered systems. Each device provides load current slew rate control and peak magnitude limiting.
Key features include:
TPS2392 and TPS2393 are priced at $1.95 per 1,000 units, and are available today from TI and its authorized distributors in North America, Europe, Asia and Japan.
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