we could offer as closest alternative for ISPPAC-POWR1014A-01TN48I for our customers as available part:
ISPPAC-POWR6AT6-01S32I as IC PWR MANAGER ISP GP 32-QFNS from Rochester Electronics, LLC as direct Marketplace substitute for Lattice Semiconductor Corporation with 67 pcs minimum order quantity.
Please review the datasheets to ensure the alternative will work for your application.