Si3229x Next Generation Dual Channel ProSLIC
The Si3229x dual-channel ProSLIC subscriber line interface circuit (SLIC) device supports up to 55 Vrms + 48 Vdc offset and 5 REN load with the lowest BOM cost using patented 7.6 W low-cost capacitive ultra-boost dc-dc tracking controllers. Low-cost inductors with capacitance boost dc-dc replaces transformer based flyback dc-dc designs often used in 7.6 W cable applications. Power efficiency is improved with patented low-power ringing (LPR) and energy-friendly smart ringing that can save power adapter cost in two channel applications.
Host interface options include a standard PCM/SPI digital interface or our three-wire integrated serial interface (ISI).
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* LCUB: low-cost ultra boost