Datasheet > ADM1169ASTZ-REEL7

ADM1169ASTZ-REEL7

更新时间： 2024-11-05 19:55:47

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亚德诺 - ADI		/
页数	文件大小	规格书
36页	831K
描述
IC POWER SUPPLY MANAGEMENT CKT, PQFP32, 7 X 7 MM, ROHS COMPLIANT, MS-026BBA, LQFP-32, Power Management Circuit

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ADM1169ASTZ-REEL7 数据手册

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Super Sequencer with Margining Control

and Nonvolatile Fault Recording

ADM1169

Data Sheet

FEATURES

APPLICATIONS

Complete supervisory and sequencing solution for up to

8 supplies

Central office systems

Servers/routers

16-event deep black box nonvolatile fault recording

8 supply fault detectors enable supervision of supplies to

<0.5% accuracy at all voltages at 25°C

<1.0% accuracy across all voltages and temperatures

4 selectable input attenuators allow supervision of supplies to

14.4 V on VH

Multivoltage system line cards

DSP/FPGA supply sequencing

In-circuit testing of margined supplies

FUNCTIONAL BLOCK DIAGRAM

REFIN REFOUT REFGND

SDA SCL A1

6 V on VP1 to VP3 (VPx)

ADM1169

SMBus

VREF

INTERFACE

4 dual-function inputs, VX1 to VX4 (VXx)

High impedance input to supply fault detector with

thresholds between 0.573 V and 1.375 V

General-purpose logic input

12-BIT

SAR ADC

FAULT

RECORDING

EEPROM

CLOSED-LOOP

MARGINING SYSTEM

8 programmable driver outputs, PDO1 to PDO8 (PDOx)

Open-collector with external pull-up

Push/pull output, driven to VDDCAP or VPx

Open-collector with weak pull-up to VDDCAP or VPx

Internally charge-pumped high drive for use with external

NFET (PDO1 to PDO6 only)

PDO1

PDO2

PDO3

PDO4

PDO5

PDO6

CONFIGURABLE

OUTPUT

DRIVERS

DUAL-

FUNCTION

INPUTS

VX1

VX2

VX3

VX4

(LOGIC INPUTS

(HV CAPABLE OF

DRIVING GATES

OF NFET)

SFDs)

SEQUENCING

ENGINE

VP1

VP2

VP3

CONFIGURABLE

OUTPUT

DRIVERS

PROGRAMMABLE

RESET

GENERATORS

Sequencing engine (SE) implements state machine control of

PDO outputs

PDO7

PDO8

(LV CAPABLE

OF DRIVING

LOGIC SIGNALS)

(SFDs)

State changes conditional on input events

Enables complex control of boards

Power-up and power-down sequence control

Fault event handling

AGND

PDOGND

VDDCAP

VDD

ARBITRATOR

V_OUTV_OUTV_OUTV_OUT

DAC

Interrupt generation on warnings

DAC1 DAC2 DAC3 DAC4

VCCP

GND

Watchdog function can be integrated in SE

Program software control of sequencing through SMBus

Complete voltage margining solution for 4 voltage rails

4 voltage output 8-bit DACs (0.300 V to 1.551 V) allow voltage

adjustment via dc-to-dc converter trim/feedback node

12-bit ADC for readback of all supervised voltages

Reference input (REFIN) has 2 input options

Driven directly from 2.048 V ( 0.25%) REFOUT pin

More accurate external reference for improved ADC

performance

Figure 1.

GENERAL DESCRIPTION

The ADM1169 Super Sequencer® is a configurable supervisory/

sequencing device that offers a single-chip solution for supply

monitoring and sequencing in multiple supply systems. In addition

to these functions, the ADM1169 integrates a 12-bit ADC and

four 8-bit voltage output DACs. These circuits can be used to

implement a closed-loop margining system that enables supply

adjustment by altering either the feedback node or reference of

a dc-to-dc converter using the DAC outputs.

Device powered by the highest of VPx, VH for improved

redundancy

Supply margining can be performed with a minimum of external

components. The margining loop can be used for in-circuit

testing of a board during production (for example, to verify

board functionality at −5% of nominal supplies), or it can be

used dynamically to accurately control the output voltage of

a dc-to-dc converter.

User EEPROM: 256 bytes

Industry-standard 2-wire bus interface (SMBus)

Guaranteed PDO low with VH, VPx = 1.2 V

Available in 32-lead, 7 mm × 7 mm LQFP and 40-lead,

6 mm × 6 mm LFCSP packages

For more information about the ADM1169 register map, refer

to the AN-721 Application Note.

Rev. A

Document Feedback

Information furnished by Analog Devices is believed to be accurate and reliable. However, no

responsibility is assumed by Analog Devices for its use, nor for any infringements of patents or other

rights of third parties that may result from its use. Specifications subject to change without notice. No

license is granted by implication or otherwise under any patent or patent rights of Analog Devices.

Trademarks and registered trademarks are the property of their respective owners.

One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.

Technical Support

www.analog.com

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与ADM1169ASTZ-REEL7相关器件

型号	品牌	获取价格	描述	数据表
ADM1169ASTZ-RL7	ROCHESTER	获取价格	8-CHANNEL POWER SUPPLY MANAGEMENT CKT, PQFP32, 7 X 7 MM, ROHS COMPLIANT, MS-026BBA, LQFP-3
ADM1169ASTZ-RL7	ADI	获取价格	Super Sequencer and Monitor with Margining Control and Non-Volatile Fault Recording
ADM1170	ADI	获取价格	1.6 V to 16.5 V Hot Swap Controller with Soft Start
ADM1170-1AUJZ-RL7	ADI	获取价格	1.6 V to 16.5 V Hot Swap Controller with Soft Start
ADM1170-2AUJ	ADI	获取价格	IC 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO8, TSOT-8, Power Management Circuit
ADM1170-2AUJZ-RL7	ADI	获取价格	1.6 V to 16.5 V Hot Swap Controller with Soft Start
ADM1171	ADI	获取价格	2.7 V to 16.5 V Hot Swap Controller with Current Sense Output
ADM1171-1AUJ	ADI	获取价格	IC 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO8, TSOT-8, Power Management Circuit
ADM1171-1AUJZ-RL7	ADI	获取价格	2.7 V to 16.5 V Hot Swap Controller with Current Sense Output
ADM1171-2AUJ	ADI	获取价格	IC 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO8, TSOT-8, Power Management Circuit

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