Owner's Manual for ANALOG DEVICES models including: Virtex UltraScale, Virtex UltraScale, Virtex 7, Kintex UltraScale, Kintex UltraScale, Kintex 7, Artix UtraScale, Artix 7, Spartan Ultrascale, Spartan 7, Agilex 7 F, Agilex 7 I, Stratix 10, Stratix V, Stratix IV, Arria 10, Arria V GX, Arria V GZ, Cyclone 10 GX, Cyclone 10 LP, Cyclone V, Cyclone IV, MAX 10, FPGAs Supervisory and Sequencing Devices, FPGAs, Supervisory and Sequencing Devices, Sequencing Devices, Devices

Supervisory and Sequencing Devices for AMD and Intel FPGAs

AMD, FPGAs

Redoble, Khalil andre Analog Devices, Inc.

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17 feb 2025 — Modern FPGA designs leverage advance fabrication techniques, enabling smaller process geometries and lower core voltages. This trend, however,.

[PDF] Supervisory and Sequencing Devices for AMD and Intel FPGAs

Improper sequencing introduce glitches, logic errors, and even permanent damage to sensitive FPGA components. Analog Devices offers a comprehensive range of.

Supervisory and Sequencing Devices for AMD and Intel FPGAs

MAX16162 Datasheet and Product Info | Analog Devices


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supervisory-and-sequencing-devices-for-amd-and-intel-fpgas
Supervisory and Sequencing Devices for AMD and Intel FPGAs

Modern FPGA designs leverage advance fabrication techniques, enabling smaller process geometries and lower core voltages. This trend, however, necessitate the use of multiple voltage rails to accommodate legacy I/O standards. To guarantee system stability and prevent unexpected behavior, each of these voltage rails requires dedicated supervision.
Analog Devices offers a comprehensive portfolio of voltage monitoring solutions, including simple supervisors and window supervisors. Our range spans from basic single-channel to feature-rich multi-voltage supervisors, boasting industry-leading accuracy (up to ±0.3% across temperatures).
The core and I/O voltage requirements for various FPGA families are presented in a clear and easy-to-reference table. Core voltage ranges typically span from 0.70 V to 1.2 V, while I/O voltage levels can vary between 1 V and 3.3 V.
Lower core voltages demand high threshold accuracy for reliability

MAX16193
0.3%Accuracy DualChannel Supervisory Circuit
· ±0.3% Threshold Accuracy · 0.6V to 0.9V IN1 Threshold Range · 0.9V to 3.3V IN2 Threshold Range · ±2% to ±5% UV/OV Monitoring
Range · Enables Functional Safety at
System Level
MAX42500
Four- to Seven-Input Industrial Power System Monitor Family
· IEC 61508 SIL 3 Certified · Five Fixed-Voltage Monitoring
Inputs · Two Differential DVS Tracking-
Voltage Monitoring Inputs with Remote Ground Sense · Flexible Power-Sequencing Recording · Simple or Challenge/Response Windowed Watchdog

Multi-voltage Supervisors for AMD & Intel FPGAs

The tables provide data on the typical core voltages, auxiliary voltages, and I/O voltages for FPGA devices from AMD and Intel. These voltages are crucial for the optimal performance and stability of the FPGA devices, ensuring they operate within their specified parameters.

AMD & Intel FPGA Core and I/O Voltages

AMD

AMD FPGA Family

Core Voltage (V)

Auxiliary Voltage
(V)

I/O Voltage (V)

Virtex UltraScale+ Virtex UltraScale
Virtex 7 Kintex UltraScale+

0.85, 0.72, 0.90 0.95, 1 1, 0.90
0.85, 0.72, 0.90

1.8 1.8 1.8, 2.0 1.8

1.0, 1.2, 1.35, 1.5, 1.8, 2.5, 3.3 1.0, 1.2, 1.35, 1.5, 1.8, 2.5, 3.3
1.2, 1.35, 1.5, 1.8, 2.5, 3.3 1.0, 1.2, 1.35, 1.5, 1.8, 2.5, 3.3

Kintex UltraScale

0.95, 0.90, 1.0

1.8

1.0, 1.2, 1.35, 1.5, 1.8, 2.5, 3.3

Kintex 7

1, 0.90, 0.95

1.8

Artix UtraScale+

0.85, 0.72

1.8

Artix 7

1.0, 0.95, 0.90

1.8

1.2, 1.35, 1.5, 1.8, 2.5, 3.3 1.0, 1.2, 1.35, 1.5, 1.8, 2.5, 3.3
1.2, 1.35, 1.5, 1.8, 2.5, 3.3

Spartan Ultrascale+ Spartan 7
Intel FPGA Family
Agilex 7 F Agilex 7 I Stratix 10 Stratix V Stratix IV Arria 10 Arria V GX Arria V GZ Cyclone 10 GX Cyclone 10 LP Cyclone V Cyclone IV MAX 10

0.85, 0.72, 0.90
1, 0.95
Core Voltage (V)
0.70 - 0.90 0.70 - 0.90 0.8 - 0.94 0.85, 0.9
0.9 0.9, 0.95 1.1, 1.15
0.85 0.9 1.0, 1.2 1.1, 1.15 1.0, 1.2 1.2 or 3.0, 3.3

1.8
1.8 INTEL
Auxiliary Voltage
(V) -

1.0, 1.2, 1.35, 1.5, 1.8, 2.5, 3.3 1.2, 1.35, 1.5, 1.8, 2.5, 3.3
I/O Voltage (V)
1.2, 1.5 1.2, 1.5 1.2, 1.25, 1.35, 1.5, 1.8, 2.5, 3, 3.3 1.2, 1.25, 1.35, 1.5, 1.8, 2.5, 3.0 1.2, 1.5, 1.8, 2.5, 3.0 1.2, 1.25, 1.35, 1.5, 1.8, 2.5, 3.0 1.2, 1.25, 1.35, 1.5, 1.8, 2.5, 3.0, 3.3 1.2, 1.25, 1.35, 1.5, 1.8, 2.5, 3.0 1.2, 1.25, 1.35, 1.5, 1.8, 2.5, 3.0 1.2, 1.5, 1.8, 2.5, 3, 3.3 1.2, 1.25, 1.35, 1.5, 1.8, 2.5, 3.0, 3.3 1.2, 1.5, 1.8, 2.5, 3, 3.3 1.0, 1.2, 1.35, 1.5, 1.8, 2.5, 3, 3.3

ADI Multi-voltage Supervisors with AMD & Intel FPGAs

Number of Voltages Monitored

Part Number

Monitoring Type

Voltages Monitored (V)

Accuracy (%)

1

MAX16132

Window

1.0 to 5.0

±1

1

MAX16161, MAX16162

Simple

1.7 to 4.85, 0.6 to 4.85

±1.5

2

MAX16193

Window

0.6 to 0.9, 0.9 to 3.3

±0.3

3

MAX16134

Window

5.0, 4.8, 4.5, 3.3, 3.0, 2.5, 1.8, 1.2, 1.16, 1.0

±1

4

LTC2962, LTC2963, LTC2964

Window

5.0, 3.3, 2.5, 1.8, 1.5, 1.2, 1.0, 0.5V

±0.5

4

MAX16135

Window

5.0, 4.8, 4.5, 3.3, 3.0, 2.5, 2.3, 1.8, 1.5, 1.36, 1.22, 1.2, 1.16, 1.0

±1

4

MAX16060

Simple

3.3, 2.5, 1.8, 0.62 (adj)

±1

6

LTC2936

Window

0.2 to 5.8 (Programmable)

±1

7

MAX42500

Window

0.1 to 5.5 (Programmable)

±1

MAX16161: nanoPower Supply Supervisor with Glitch-Free Power-Up and Manual Reset

MAX16135: ±1% Low-Voltage, Quad-Voltage Window Supervisor

LTC2963: ±0.5% Quad Configurable Supervisor with Watchdog Timer

MAX16193: ±0.3% Accuracy Dual-Channel Window-Detector Supervisory Circuit

Window Voltage Supervisors
Window voltage supervisors are used to ensure FPGAs operate within a safe voltage specification range. They do this by having undervoltage (UV) and overvoltage (OV) thresholds and generating a reset output signal if it goes beyond the tolerance window to avoid system errors and prevent damage to your FPGAs and other processing devices. There are two main things to consider when choosing a window voltage supervisor: Tolerance and Threshold Accuracy.
Tolerance is the range around the nominal monitored value which sets the overvoltage and undervoltage thresholds. While, Threshold Accuracy, typically expressed in percentage, is the degree of the conformance of the actual to the target reset thresholds.

Undervoltage and overvoltage threshold variation with Threshold
Accuracy

OV_TH (max) OV_TH
OV_TH (min)
VIN_NOM
UV_TH (max) UV_TH
UV_TH (min)

+ACC% -ACC% +TOL%
-TOL% +ACC% -ACC%

Selecting the Right Tolerance Window
Choosing a window supervisor with the same tolerance as the core voltage requirement can lead to malfunctions due to threshold accuracy. Setting the same tolerance with the operating requirement of the FPGA can trigger a reset output near the maximum overvoltage threshold OV_TH (max) and minimum undervoltage threshold UV_TH (min). The figure below illustrates tolerance setting (a) same with core voltage tolerance vs. (b) within the core voltage tolerance.

POSSIBLE ACTUAL THRESHOLD REGION OUTSIDE CORE VOLTAGE SPEC

OV_TH (max) ±ACCURACY

POSSIBLE ACTUAL THRESHOLD REGION WITHIN CORE VOLTAGE TOL. SPEC

OV_TH (max) ±ACCURACY

CORE VOLTAGE TOLERANCE SPEC

± TOLERANCE WINDOW

CORE VOLTAGE TOLERANCE SPEC

± TOLERANCE WINDOW

POSSIBLE ACTUAL THRESHOLD REGION OUTSIDE CORE VOLTAGE SPEC
Goes beyond the core voltage tolerance spec but not detected
(a)

±ACCURACY UV_TH (min)

±ACCURACY UV_TH (min)
(b)

Impact of Threshold Accuracy
Compare two window voltage supervisors with different threshold accuracy monitoring the same core voltage supply rail. The supervisor with higher threshold accuracy will deviate less from the threshold limits in comparison to voltage supervisors with lower accuracy. Examining the figure below, window supervisors with lower accuracy (a) creates a narrow power supply window since the reset output signal can assert anywhere within the UV and OV monitoring range. In applications with unreliable power supply regulation, this could pose a more sensitive system prone to oscillation. On the other hand, supervisors with high threshold accuracy (b) expands this range to provide a wider safe operating range for your power supply which improves the systems overall performance.
Power Supply Sequencing for AMD and Intel FPGAs
Modern FPGAs utilize multiple voltage rails for optimal performance. Defined power-up and power-down sequencing requirement is crucial for FPGA reliability. Improper sequencing introduce glitches, logic errors, and even permanent damage to sensitive FPGA components. Analog Devices offers a comprehensive range of supervisory/sequencing circuits specifically designed to address the challenges of FPGA power management. These devices orchestrate the power-up and power-down sequence of various voltage rails, guaranteeing that each rail reaches its designated voltage level within its required ramp time and order. This power management solution minimizes inrush current, prevents voltage undershoot/overshoot conditions, and ultimately safeguards the integrity of your FPGA design

MAX16165
Highly Integrated, 4-Channel Sequencer and Supervisor
(Widest Voltage Range Sequencer in Smallest Footprint with Integrated Supervisory)
· 2.7V to 16.0V Wide Operating Voltage · Monitor Up to Five Voltages and Sequence Up to Four Voltages · Power-Off in Reverse Order or Simultaneously · Unlimited Daisy-Chain · Capacitor-Adjustable Sequencing Delay and Power-Good Timeout

EN 5V

UVSET VDD

ABP

ON
1.0V SET1 1.0V SET2 1.8V SET3 1.5V SET4
0.5 V IOS

C ON T ROL LOGIC

F AUL T MA X16 165
OFF OUT1 OUT2 OUT3 OUT4
POK D ON E

D LY

PGT

GND

UVSET VDD ON

ABP

F AUL T

MA X16 165

OFF

SET1 1.2 V
SET2 1.3 5V
SET3 2.5 V
SET4 3.3 V

C ON T ROL LOGIC

OUT1 OUT2 OUT3 OUT4

0.5 V IOS

POK D ON E

D LY

PGT

GND

1.0 V
1.0 V 1.8 V
1.5 V 1.2 V 1.3 5V 2.5 V 3.3 V

D CD C D CD C D CD C D CD C
D CD C D CD C D CD C D CD C

1.5V 1.8V 1.0V 1.0V

3.3V 2.5V 1.35V 1.2V

Z YNQ -70 15
VCCINT VCCBRAM MGTAVCC VCCPINT VCCAUX VCCO_1.8VCCO_MIO 0/1 VCCPAUX VCCPLL VCCADC VCCO_1.5V VCCO_DDR VCCO_1.2V MGTAVT T VCCO_1.35V VCCO_2.5V VCCO_3.3V
RESET
Cascaded Power Supply Sequencing for AMD Zynq 7015

Power Supply Sequencing requiring 8 Power Regulators using MAX16165

5V 12 V

3.3 V
PG1 PG2 PG3 PG4

UVSET VDD

ABP

EN

ON

OFF

SET1

SET2 SET3 SET4

C ON T ROL LOGIC

MA X16 165 F AUL T
OUT1 OUT2 OUT3 OUT4

0.5 V IOS

D LY

PGT

POK D ON E GND

SEQ1 SEQ2 SEQ3 SEQ4
SYSTEM RESET NEXT MAX16165

12 V

VIN

VOUT

LTM4686

RUN

GPIOn

VIN

VOUT

LTM4702

EN

PG

VIN

VOUT

LTM4623

RUN

PG

VIN

VOUT

LTM4702

EN

PG

VIN

VOUT

LTM4623

RUN

PG

VIN

VOUT

MAX M1 79 0 3

EN

RESET

VIN

VOUT

LTM4625

RUN

PG

0.72V/0. 85V

PG1 0.9 V

FILTER

0.85V/0. 9V PG2
1.2 V

FILTER

1.8 V PG3
1.8 V

FILTER

1.8 V/2.5 V/3.3V PG4

KINTEX ULTRASCALE+



VCCINT



VMGT AVCC



VCCINT_IO VCCBRAM



VMGT AVTT

VCCAUX



VCCAUX_IO

VCCADC



VMGT AVCCAUX



VCCO

Power Supply Sequencing for AMD Kintex Ultrascale+
with voltage monitoring using MAX16193 supervisory circuit

MAX16165/MAX16166: Highly Integrated, 4-Channel Sequencer and Supervisor

MAX16050
Sequencer-Supervisor with Reverse-Sequencing Capability
(Easy-to-Use, Four-/Five-Voltage, Power-Up/Power-Down Sequencer/Monitors) · Monitor Up to Five Voltages and Sequence Up to Four Voltages · Pin-Selectable Sequencing Order · Reverse-Sequencing Capability on Shutdown · ±1.5% Accurate Overvoltage Monitoring with Independent Output · Daisy-Chaining Capability to Communicate Across Multiple Devices
Power Supply Sequencing for Intel® Arria® 10 GX with Transceiver Data Rate <= 11.3 Gbps for Chip-to-Chip Applications
Legend: Power Group 1 - Blue Power Group 2 ­ Orange Power Group 3 ­ Red
MAX16050/MAX16051: Voltage Monitors/Sequencer Circuits with Reverse-Sequencing Capability

Power Supply Sequencing for Intel® Stratix® 10 GX (only for the HF35 Package) with 15 Gbps < Transceiver Data Rate <= 28.3 Gbps

Legend: Power Group 1 - Blue Power Group 2 ­ Orange Power Group 3 ­ Red Power Group 4 - Green

Power Supply Sequencing with MAX16050 using daisy chaining capability

Power Supply Sequencing

Number of Supplies Monitored 1: cascadable
1: cascadable
2: cascadable

Part Number
MAX16895
MAX16052, MAX16053
MAX6819, MAX6820

Operating Vrange
1.5 to 5.5V 2.25 to 28V
0.9 to 5.5V

2

MAX16041

3

MAX16042

2.2 to 28V

4
4: cascadable
5: cascadable 6: cascadable
8

MAX16043 MAX16165, MAX16166 MAX16050 MAX16051 LTC2937 ADM1168

2.7 to 16V
2.7 to 16V 4.5 to 16.5V
3 to 16V

8

ADM1169

3 to 16V

10: cascadable (max of 4)

ADM1260

3 to 16V

12: cascadable

ADM1166

3 to 16V

17: cascadable

ADM1266

Design Tools

3 to 15V

Threshold Accuracy
1%
1.8%

Sequence Up Up

Programming Method
R's, C's
R's, C's

Package 6 uDFN 6 SOT23

2.6%

Up

2.7% and 1.5%

Up

0.80%
1.5% <1.5% <1% <1% <1% <1% <1%

Up, ReversePower Down Up, ReversePower Down Programmable Programmable Programmable
Programmable
Programmable Programmable

R's, C's
R's, C's
R's, C's R's, C's I2C, SMBus SMBus SMBus SMBus SMBus PMBus

6 SOT23 16 TQFN 20 TQFN
24 TQFN 20 WLP, 20L TQFN
28 TQFN
28 QFN 32 LQFP 32 LQFP, 40 LFCSP 40 LFCSP 40 LFCSP, 48 TQFP 64 LFCSP

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References

Redoble, Khalil andre, / Analog Devices, Inc. Adobe PDF Library 24.5.175