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| 型号： | EVAL-AD5100EBZ |
| 厂商： | Analog Devices Inc |
| 文件页数： | 1/36页 |
| 文件大小： | 0K |
| 描述： | BOARD EVAL FOR AD5100 |
| 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 |
| 已用 IC / 零件： | AD5100 |
| 主要属性： | 电压检测器和监控器 |
| 次要属性： | 开漏极输出 |
| 已供物品： | 板 |
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System Management IC with Factory Programmed
Q uad Voltage Monitoring and Supervisory Functions
AD5100
FEATURES
Qualified for automotive applications
2 device-enabling outputs with 6 factory programmed
Two 30 V monitoring inputs with shutdown control of
external devices
Factory programmed overvoltage, undervoltage, turn-on
and turn-off thresholds, and shutdown timings
Shutdown warning with fault detection
Reset control of external devices
5 V and 7.96 V monitoring inputs with reset control of
external devices
Factory programmed reset thresholds and hold time
eMOST-compatible inputs
Diagnostic application using V 2MON and V 4MON
Two supervisory functions
Watchdog reset controller with timeout and selectable
floating input
Manual reset control for external devices
Digital interface and programmability
I 2 C-compatible interface
OTP can be overwritten for dynamic adjustments
Power-up by edge triggered signal
Power-down over I 2 C bus
Operating range
Supply voltage: 6.0 V to 30 V
Temperature range: ?40°C to +125°C
Shutdown current: 5 μA max
Operating current: 2 mA max
High voltage input antimigration shielding pinouts
GENERAL DESCRIPTION
The AD5100 is a factory programmed system management
IC that combines four channels of voltage monitoring and
watchdog supervision. The AD5100 can be used to shut down
external supplies, reset processors, or disable any other system
electronics when the system malfunctions. The AD5100 can
also be used to protect systems from improper device power-up
sequencing. The AD5100 is a robust watchdog reset controller,
and can monitor two 30 V inputs with shutdown and reset
controls, one 2.3 V to 5.0 V input, and one 1.6 V to 7.96 V
input. Most monitoring input thresholds and timing settings
have a range of settings which are factory programmed by
Analog Devices, Inc. in the one-time programmable EPROM
(OTP) memory, or can be programmed on-the-fly over the
serial interface.
The AD5100 is versatile for system monitoring applications
where critical microprocessor, DSP, and embedded systems
operate under harsh conditions, such as automotive, industrial,
or communications network environments.
The AD5100 is available in a compact 16-lead QSOP package
and can operate in an extended automotive temperature range
from ?40°C to +125°C.
Analog Devices provides non-OTP programmed AD5100
parts for use in evaluating the desired threshold and delay
settings. Only factory programmed AD5100 parts are shipped
in production quantities. Contact Analog Devices directly to
inquire about factory programmed models.
Table 1. AD5100 General Input and Output Information
APPLICATIONS
Automotive systems
Network equipment
Computers, controllers, and embedded systems
Input
V 1MON
V 2MON
V 3MON
V 4MON
WDI
MR
Monitoring
Range 1
6 V to 28.29 V
3 V to 24.75 V
2.32 V to 4.97 V
1.67 V to 7.96 V
0 V to 5 V
0 V to 5 V
Shutdown
Control
Yes
Yes
No
No
Yes
No
Reset
Control
Yes
Yes
Yes
Yes
Yes
Yes
Fault
Detection
Yes
Yes
Yes
Yes
No
No
Rev. A
Information furnished by Analog Devices is believed to be accurate and reliable. However, no
1
With programmable threshold and programmable delay.
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.
Tel: 781.329.4700 www.analog.com
Fax: 781.461.3113 ?2009–2010 Analog Devices, Inc. All rights reserved.
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