The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jul. 01, 2025
Filed:
Jul. 03, 2023
Sandisk Technologies Llc, Addison, TX (US);
V. S. N. K. Chaitanya G, Bengaluru, IN;
Ankit Rehani, Burari, IN;
Pradeep Kumar Anantula, Bengaluru, IN;
Sandisk Technologies, Inc., Milpitas, CA (US);
Abstract
A stage-based frequency optimization for a charge pump achieves a higher area efficiency by operating different stages of the charge pump at their optimized frequency simultaneously, instead of single common frequency, to obtain greater output strength. A first set of stages uses triple well devices as transfer switches and operates at a first, higher frequency. The first stages supply a second set of stages using high voltage devices as transfer switches and operates at a second, lower frequency. The two set of stages are connected through a frequency transition circuit.