US 12,009,769 B2
Hardware based motor drive controller
Navaneeth Kumar Narayanasamy, Sugarland, TX (US); and Martin Staebler, Freising (DE)
Assigned to Texas Instruments Incorporated, Dallas, TX (US)
Filed by Texas Instruments Incorporated, Dallas, TX (US)
Filed on Nov. 14, 2022, as Appl. No. 18/054,974.
Application 18/054,974 is a continuation of application No. 17/137,598, filed on Dec. 30, 2020, granted, now 11,502,629.
Prior Publication US 2023/0072415 A1, Mar. 9, 2023
Int. Cl. H02P 7/29 (2016.01); H02P 7/03 (2016.01)
CPC H02P 7/29 (2013.01) [H02P 7/04 (2016.02)] 20 Claims
OG exemplary drawing
 
1. A system, comprising:
a first controller;
a second controller coupled to the first controller, the second controller comprising:
a receiver configured to receive a motor control signal from the first controller;
a watchdog timer that includes an input coupled to the receiver and an output;
a filter that includes an input coupled to the receiver; and
a gate buffer that includes:
a first enable input coupled to the output of the watchdog timer;
a second enable input coupled to the output of the watchdog timer and to the output of the filter; and
an output configured to output a gate driver signal.