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Artix-7、Spartan-7和Zynq7000的電源管理解決方案

提供 AMD FPGA 理想電源設計平台

Mixed Media

FPGA電路設計選擇電源IC, 你必須了解電源的需求。電源通道通電的順序是諸多必須滿足的條件之一。如果電源設計不符合這一需求,FPGA內部可能會流過大電流,導致故障或是損壞設備。FPGA中每個電源的需求都不相同,因此必須選擇對的電源IC。
ROHM發布了一種電源管理解決方案,簡化了此類電源的選擇,利用OTP(一次性可編程存儲器)可以輕鬆配置輸出電壓,保護電路設置及通電及斷電順序。大電流可由外部驅動器MOS支持,PMIC可透過I2C介面與外部MCU進行溝通

Long Copy_features

Scalable PMIC

支援各種 SoC 的晶片組合

Main PMIC

DCDC×2ch 2A
DCDC×2ch 4A
LDO×3ch 0.3A
Functional Safety features    

Sub PMIC

DCDC×2ch 5A
Additional output, Safety architecture

Driver MOS

10A~20A output
Temperature feedback
Current feedback
Large current for high power system

Main PMIC OTP setting for Artix7 and Spartan7

Output voltage of each CH

Buck1: 1.8V
Buck2: 1.35V
Buck3: 1.0V
Buck4: 3.3V
LDO5: 1.2V
LDO6: 2.5V
LDO7: 3.3V

POWER ON sequence

Buck3→Buck1→Buck2→LDO5→LDO6→LDO7→Buck4

POWER OFF sequence

Buck4→LDO7→LDO6→LDO5→Buck2→Buck1→Buck3

Target Applications
  • 監視攝影機
    影像處理和視訊應用
  • 機器視覺I/F
  • 馬達控制系統應用
  • 工業網絡
  • 各種感測器應用

Design data download

Power Block Diagram

Scalable PMIC

Product Summary
BD96801 Series 2ch Buck Regulator (2A), 2ch Buck Regulator (4A), 3ch LDO(0.3A)
BD96802 Series 2ch Buck Regulator (5A)
BD96340MFF-C MOS FETDriver (20A, Peak 30A)

Artix 7 Board Parts

Product Summary Download
BD96801Q30-C Artix-7 setting OTP, 2ch Buck Regulator (2A), 2ch Buck Regulator (4A), 3ch LDO(0.3A) Data sheet
BD9C5A1EFJ 4.5V to 18V Input, 5A Integrated MOSFET Single Synchronous Buck DC/DC Converter Data sheet
BD353A0FJ Termination Regulator for DDR-SDRAMs Data Sheet
BR24T01F-W 1KBit, I2C BUS, Low Power Serial EEPROM  


Recommended OTP Setting

Spartan-7

XC7S6

XC7S15

XC7S25

XC7S50

XC7S75

XC7S100

OTP Setting

Type 1

Type 1

Type 1

Type 1

Type 1

Type 1

 

Artix-7

XC7A12T

XC7A15T

XC7A25T

XC7A35T

XC7A50T

XC7A75T

XC7A100T

XC7A200T

OTP Setting

Type 1

Type 1

Type 1

Type 1

Type 1

Type 1

Type 2

Type 2

Type 1

 

Type 2

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