MAX77654 SIMO PMIC: 50% Smaller Design, 20% Longer Battery Life
In the relentless pursuit of slimmer, longer‑lasting wearables and hearables, the MAX77654 SIMO PMIC from Maxim Integrated delivers a game‑changing solution. By consolidating three buck‑boost converters, three inductors, two LDOs, a battery charger, and numerous passive components into a single, highly efficient package, designers can halve the physical footprint of their power system and gain a 20‑percent boost in battery endurance.
With three regulated outputs, the MAX77654 achieves an impressive 91 % efficiency—16 % higher than conventional four‑chip arrangements—while operating with less than 500 nA shutdown current and only 6 µA of supply current across all five regulators. This low‑power profile translates into less heat; the device reduces board temperature by over 20 °C compared to comparable single‑inductor solutions, and its output ripple stays below 20 mVp‑p, keeping noise‑sensitive rails pristine.
The chip’s compact form factor means that more functionality can fit into tight spaces, empowering the next generation of ultra‑low‑power consumer electronics. The MAX77654 is priced at $2.00 per unit (1000‑up, FOB USA) and is available through Maxim Integrated and authorized distributors. For rapid prototyping, the MAX77654EVKIT evaluation kit is offered at $105.
(Source: Maxim Integrated)
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