Found 4 alternatives for LS8297-TS by LSI/CSI. Pmic Motor Drivers Controllers — 20-TSSOP (0.173", 4.40mm Width).
2-CH H-BRIDGE DRIVER
IC MOTOR DRIVER 6V-16V 20TSSOP
IC MOTOR DRIVER BLDC 28V 20TSSOP
STEPPER MOTOR CONTROLLER