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| 型号： | EVAL-ADM1069LQEBZ |
| 厂商： | Analog Devices Inc |
| 文件页数： | 1/32页 |
| 文件大小： | 0K |
| 描述： | BOARD EVALUATION FOR ADM1069LQ |
| 标准包装： | 1 |
| 主要目的： | 电源管理，电源监控器/跟踪器/序列发生器 |
| 嵌入式： | 否 |
| 已用 IC / 零件： | ADM1069 |
| 主要属性： | 10 通道监控器 / 序列发生器，6 个电压输出 DAC |
| 次要属性： | 通过 SMBus（通过 USB）实现的可编程 GUI |
| 已供物品： | 2 个板，线缆，CD |
| 相关产品： | ADM1069ASTZ-REEL7TR-ND - IC SEQUENCER/SUPERVISOR 32LQFP ADM1069ASTZ-REEL-ND - IC SEQUENCER/SUPERVISOR 32LQFP ADM1069ASTZ-ND - IC SUPERVISOR/SEQUENCER 32-LQFP |
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Super Sequencer with Margining Control
FEATURES
FUNCTIONAL BLOCK DIAGRAM
Complete supervisory and sequencing solution for up to
8 supplies
8 supply fault detectors enable supervision of supplies to
ADM1069
REFIN
REFOUT REFGND
VREF
SDA SCL A1
SMBus
INTERFACE
A0
<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
12-BIT
SAR ADC
CLOSED-LOOP
MARGINING SYSTEM
EEPROM
6 V on VP1 to VP3 (VPx)
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
8 programmable driver outputs, PDO1 to PDO8 (PDOx)
Open-collector with external pull-up
Push/pull output, driven to VDDCAP or VPx
VX1
VX2
VX3
VX4
VP1
VP2
VP3
VH
DUAL-
FUNCTION
INPUTS
(LOGIC INPUTS
OR
SFDs)
PROGRAMMABLE
RESET
GENERATORS
(SFDs)
SEQUENCING
ENGINE
CONFIGURABLE
OUTPUT
DRIVERS
(HV CAPABLE OF
DRIVING GATES
OF N-FET)
CONFIGURABLE
OUTPUT
DRIVERS
(LV CAPABLE
OF DRIVING
LOGIC SIGNALS)
PDO1
PDO2
PDO3
PDO4
PDO5
PDO6
PDO7
PDO8
Open-collector with weak pull-up to VDDCAP or VPx
Internally charge-pumped high drive for use with external
N-FET (PDO1 to PDO6 only)
AGND
V OUT
DAC
V OUT
DAC
V OUT
DAC
V OUT
DAC
VDD
ARBITRATOR
PDOGND
VDDCAP
Sequencing engine (SE) implements state machine control of
PDO outputs
DAC1
DAC2
DAC3
DAC4
VCCP
GND
State changes conditional on input events
Enables complex control of boards
Power-up and power-down sequence control
Fault event handling
Interrupt generation on warnings
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
Device powered by the highest of VPx, VH for improved
redundancy
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 ADM1069 register map,
refer to the AN-721 Application Note at www.analog.com
Rev. C
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.
Figure 1.
APPLICATIONS
Central office systems
Servers/routers
Multivoltage system line cards
DSP/FPGA supply sequencing
In-circuit testing of margined supplies
GENERAL DESCRIPTION
The ADM1069 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 ADM1069 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.
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781.329.4700 www.analog.com
Fax: 781.461.3113 ?2005–2011 Analog Devices, Inc. All rights reserved.
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