Power Management Network Design Methodology and Verification to Secure RFID Product Tape-Out
Alain Lacourse, Marcel Lapointe, Elsa Bernard-Moulin
This paper introduces a parallel association of regulators named Retention Alternating Regulator (RAR) as an innovative solution to achieve the best performances in both normal and retention modes in the context of an RFID active tag System-on-Chip. Very low-power sleep mode applications where the system must run up to many years on the battery have strict power requirements in each mode. Verifications are required to ensure proper operation at all times, especially during the system startup and at mode changes where voltage must be maintained to prevent data integrity. To address this challenge, the Regulator Control Unit (RCU) is proposed as a reliable design technique to ensure a safe transition between two or more embedded regulators.
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