US 12,316,259 B2
Fast deceleration of PMSM and BLDC motors using recirculation braking
Sivabalan Mohan, Bangalore (IN); Venkata Pavan Mahankali, Bangalore (IN); Prasad Kulkarni, Bengaluru (IN); and Ganapathi Hegde, Bengaluru (IN)
Assigned to Texas Instruments Incorporated, Dallas, TX (US)
Filed by TEXAS INSTRUMENTS INCORPORATED, Dallas, TX (US)
Filed on Jan. 17, 2022, as Appl. No. 17/577,093.
Claims priority of application No. 202141023969 (IN), filed on May 29, 2021.
Prior Publication US 2022/0393631 A1, Dec. 8, 2022
Int. Cl. H02P 27/08 (2006.01); H02P 3/18 (2006.01); H02P 6/24 (2006.01)
CPC H02P 27/08 (2013.01) [H02P 3/18 (2013.01)] 14 Claims
OG exemplary drawing
 
1. A motor control system operable to control a motor, comprising:
a motor control circuit; and
an inverter circuit coupled to the motor control circuit, the inverter circuit having output terminals adapted to couple to the motor,
wherein the inverter circuit, in response to one or more output control signals indicating a deceleration instruction from the motor control circuit, is configured to implement a multi-state deceleration sequence for at least one commutation state of a commutation scheme of the motor, wherein the multi-state deceleration sequence includes:
a braking state;
a bottom-side recirculation state implemented after the braking state
a regeneration state implemented after the bottom-side recirculation state; and
a top-side recirculation state implemented after the regeneration state.