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AD5100 Fiches technique(PDF) 1 Page - Analog Devices |
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AD5100 Fiches technique(HTML) 1 Page - Analog Devices |
1 / 36 page System Management IC with Factory Programmed Quad Voltage Monitoring and Supervisory Functions AD5100 Rev. A Information furnished by Analog Devices is believed to be accurate and reliable. However, no responsibilityis assumedbyAnalogDevicesforitsuse,norforanyinfringementsof patentsorother 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 ©2009–2010 Analog Devices, Inc. All rights reserved. FEATURES Qualified for automotive applications 2 device-enabling outputs with 6 factory programmed monitoring inputs (see Table 1) 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 V2MON and V4MON Two supervisory functions Watchdog reset controller with timeout and selectable floating input Manual reset control for external devices Digital interface and programmability I2C-compatible interface OTP can be overwritten for dynamic adjustments Power-up by edge triggered signal Power-down over I2C 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 APPLICATIONS Automotive systems Network equipment Computers, controllers, and embedded systems 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 Input Monitoring Range1 Shutdown Control Reset Control Fault Detection V1MON 6 V to 28.29 V Yes Yes Yes V2MON 3 V to 24.75 V Yes Yes Yes V3MON 2.32 V to 4.97 V No Yes Yes V4MON 1.67 V to 7.96 V No Yes Yes WDI 0 V to 5 V Yes Yes No MR 0 V to 5 V No Yes No 1 With programmable threshold and programmable delay. |
Numéro de pièce similaire - AD5100_15 |
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Description similaire - AD5100_15 |
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