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. 27, 2021
Filed:
Mar. 26, 2020
Nxp Usa, Inc., Austin, TX (US);
Kumar Abhishek, Bee Cave, TX (US);
Srikanth Jagannathan, Austin, TX (US);
NXP USA, Inc., Austin, TX (US);
Abstract
A differential output driver circuit includes a drive path having a first output node that provides a first output differential signal and a second output node that provides a complementary second output differential signal to the first output differential signal, a current control transistor to control current of the drive path, and a current measurement resistor circuit located in the drive current path outside of a path segment between the first and second output node. Current flowing through the drive path flows through the current measurement resistor circuit, and a voltage across the current measurement resistor circuit is indicative of an amount of current flowing through the drive path. A transistor control circuit utilizes a voltage across the current measurement resistor circuit to control a control terminal of the current control transistor to control the current in the drive path based on the voltage across the current measurement resistor circuit.