Because of the Thanksgiving holiday in the U.S., TI E2E™ design support forum responses may be delayed from November 25 through December 2. Thank you for your patience.
Yes, TPS62135 and TPS62136 are newer devices, which are smaller, support higher output currents, are more accurate, support a wider Vout range, and support a forced PWM mode. TPS62136 will be more efficient due to its lower switching frequency.
However…