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:
Oct. 08, 2024
Filed:
Sep. 19, 2022
Apple Inc., Cupertino, CA (US);
Giulio Maria Iadicicco, Munich, DE;
Angelo Bassi, Munich, DE;
APPLE INC., Cupertino, CA (US);
Abstract
A bandgap circuit that is area efficient and has a low power consumption. The bandgap circuit includes a voltage generator circuit, and a sample and hold circuit coupled to the voltage generator circuit. The voltage generator circuit includes a pair of transistors each connected in a diode configuration and biased with a respective current source of a plurality of current sources of the voltage generator circuit. During a sample phase, the sample and hold circuit samples a first voltage between a first base and a first emitter of a first transistor of the pair of transistors and a second voltage between a second base and a second emitter of a second transistor of the pair of transistors. During a hold phase subsequent to the sample phase, the sample and hold circuit generates an output voltage as a combination of the sampled first and second voltages.