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AD5100EVAL Fiches technique(PDF) 1 Page - Analog Devices |
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AD5100EVAL Fiches technique(HTML) 1 Page - Analog Devices |
1 / 32 page System-Management IC with Programmable Quad Voltage Monitoring and Supervisory Functions Preliminary Technical Data AD5100 Rev. PrJ Information furnished by Analog Devices is believed to be accurate and reliable. However, no responsibilityis assumedbyAnalogDevicesforitsuse,norforanyinfringements of patents or other rightsofthirdpartiesthatmayresultfromitsuse.Specificationssubjecttochangewithoutnotice.No license is granted by implication or otherwise under any patent or patent rights of Analog Devices. Trademarksandregisteredtrademarksarethepropertyoftheirrespectiveowners. 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 ©2006 Analog Devices, Inc. All rights reserved. FEATURES • Two Device-Enabling Outputs with Six Programmable Monitoring Inputs (Table 1) o Two 30V Monitoring Inputs with Shutdown Control of External Devices: Programmable Over-voltage, Under-voltage, Turn-on, Turn-off Thresholds, and Shutdown timings Shutdown Warning with Fault Detection o Two 5V Monitoring Inputs with Reset Control of External Devices: Programmable Reset Thresholds and Hold Time o Two Supervisory Functions: Watchdog Reset Controller with Programmable Timeout and Selectable Floating Input Manual Reset Control for External Devices • Digital Interface and Programmability: o I2C ® Compatible Interface o OTP1 for Permanent Threshold and Timing Settings o OTP Overwritten Capable for Dynamic Adjustments o Power Up by Edge Triggered Signal o Power Down by I2C Software • Operating Range: o Supply Voltage 6.0V to 30V o Temp Range -40oC to +125oC o Low Shutdown Current: 10μA • High-Voltage-Input Anti-migration Shielding Pinouts APPLICATIONS • Automotive Systems • Network Equipment • Computers, Controllers, and Embedded Systems GENERAL DESCRIPTION The AD5100 is a programmable system-management IC that combines 4-channel of voltage monitoring and a watchdog supervision that can be used to shutdown external supplies, reset processors, or disable any other system electronics when the systems malfunction. The AD5100 can also be used to protect system under faulty condition of improper devices power up sequencing. The AD5100 can monitor two 30V inputs with shutdown and reset controls, one 2.5V-5.0V and one 0.9V- 3.3V monitoring inputs with reset control, a robust watchdog reset controller. Most monitoring input thresholds and timing settings can be programmed on the fly or permanently set in the factory with the OTP feature. The AD5100 is versatile for system-monitoring applications where critical μP, DSP, and embedded systems operate under harsh conditions such as automotive, industrial, or communications network environments. The AD5100 is available in compact QSOP-16 and can operate in an extended automotive temperature range from -40oC to +125oC. 1.One Time Programmable EPROM – Unlimited Adjustment Before OTP Execution. 2 With Programmable Threshold and Programmable Delay. Table 1. AD5100 General Inputs and Output Information Input Monitoring Range2 Shutdown Control Reset Cont rol Fault Dete ctio n V1MON 6 – 30 V √ √ √ V2MON 3 – 30 V √ √ √ V3MON 2.5 – 5.0 V √ √ V4MON 0.9 – 3.3 V √ √ WDI 0 – 5 V √ √ MR 0 – 5 V √ |
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