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1.7.7. Example 7— Stratix® 10 SX (–1V, –2V, and –3V parts)
Power Pin Name | Regulator Group | Voltage Level (V) | Supply Tolerance | Power Source | Regulator Sharing | Notes |
---|---|---|---|---|---|---|
VCC | 1 | SmartVID |
±30 mV | Switcher 13 | Share | Source VCC and VCCP from the same regulator, sharing the same voltage plane. You have the option to connect VCCL_HPS to the same regulator as VCC and VCCP when the power rails require the same voltage level. You may also connect the VCCPLLDIG_HPS power to the shared VCC, VCCP, and VCCL_HPS power planes with proper isolation filtering. When implementing a filtered supply topology, you must consider the IR drop across the filter. If you do not intend to utilize the HPS in the Stratix® 10 SX device, you must still provide power to the HPS power supply. Do not leave the VCCL_HPS and VCCPLLDIG_HPS floating or connect them to GND. |
VCCP | ||||||
VCCL_HPS | ||||||
VCCPLLDIG_HPS | Filter | |||||
VCCERAM | 2 | 0.9 | ±30 mV | Switcher13 | Isolate | Connect the VCCERAM to a dedicated 0.9 V power supply. You may connect the VCCPLLDIG_SDM power to the VCCERAM power plane with proper isolation filtering. When implementing a filtered supply topology, you must consider the IR drop across the filter. |
VCCPLLDIG_SDM | Filter | |||||
VCCR_GXB[L,R] | 3 | 1.12 | ±20 mV | Switcher13 | Isolate | Connect the VCCR_GXB to a dedicated 1.12 V power supply. The VCCR_GXB and VCCT_GXB voltage supplies can vary depending on whether it is an L-Tile or H-Tile device as well as the channel configuration (non-bonded versus bonded channels) on each tile. For more information about the voltage requirement for your specific use case, refer to the Stratix® 10 Device Datasheet. |
VCCT_GXB[L,R] | 4 | 1.12 | ±20 mV | Switcher13 | Isolate | Connect the VCCT_GXB to a dedicated 1.12 V power supply. The VCCR_GXB and VCCT_GXB voltage supplies can vary depending on whether it is an L-Tile or H-Tile device as well as the channel configuration (non-bonded versus bonded channels) on each tile. For more information about the voltage requirement for your specific use case, refer to the Stratix® 10 Device Datasheet. |
VCCPT | 5 | 1.8 | ±5% 14 | Switcher13 | Share if 1.8 V | You may source VCCPT and VCCIO_SDM from the same regulator. You may connect the VCCIO, VCCIO3V, VCCIO_HPS, and VCCBAT to the same power plane if the those power rails are at the same voltage level. You may also connect the VCCH_GXB, VCCA_PLL, VCCPLL_SDM, VCCPLL_HPS, and VCCADC to the same power plane with proper isolation filtering. Depending on the regulator capabilities, you have the option to share this supply with multiple Stratix® 10 devices. When implementing a filtered supply topology, you must consider the IR drop across the filter. If you do not intend to utilize the HPS in the Stratix® 10 SX device, you must still provide power to the HPS power supply. Do not leave the VCCIO_HPS and VCCPLL_HPS floating or connect them to GND. |
VCCIO_SDM | 1.8 | |||||
VCCIO | Varies | |||||
VCCIO3V | Varies | |||||
VCCIO_HPS | 1.8 | |||||
VCCBAT | Varies | |||||
VCCH_GXB[L,R] | 1.8 | Filter | ||||
VCCA_PLL | 1.8 | |||||
VCCPLL_SDM | 1.8 | |||||
VCCPLL_HPS | 1.8 | |||||
VCCADC | 1.8 | |||||
VCCFUSEWR_SDM | 6 | 2.4 | ±50 mV | Switcher13 | Isolate | Connect VCCFUSEWR_SDM to a dedicated 2.4 V power supply if the SDM fuses need to be written. Leave VCCFUSEWR_SDM unconnected or tie it to VCCPT 1.8 V power if the SDM fuses do not need to be written. Do not tie this pin to GND. |
Each board design requires its own power analysis to determine the required power regulators needed to satisfy the specific board design requirements. An example block diagram using the Stratix® 10 SX device is provided in the following figure.