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AD5100YRQZ-RL7 Fiches technique(PDF) 1 Page - Analog Devices |
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AD5100YRQZ-RL7 Fiches technique(HTML) 1 Page - Analog Devices |
1 / 36 page System Management IC with Programmable Quad Voltage Monitoring and Supervisory Functions AD5100 Rev. 0 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 ©2008 Analog Devices, Inc. All rights reserved. FEATURES 2 device-enabling outputs with 6 programmable monitoring inputs (see Table 1) Two 30 V monitoring inputs with shutdown control of external devices Programmable 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 Programmable reset thresholds and hold time eMOST-compatible inputs Diagnostic application using V2MON and V4MON Two supervisory functions Watchdog reset controller with programmable timeout and selectable floating input Manual reset control for external devices Digital interface and programmability I2C-compatible interface OTP1 for permanent threshold and timing settings 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 1 One-time programmable EPROM with unlimited adjustment before OTP execution. GENERAL DESCRIPTION The AD5100 is a programmable 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 electron- ics when the system malfunctions. The AD5100 can also be used to protect systems from improper device power-up sequencing. The AD5100, a robust watchdog reset controller, 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 can be programmed on-the-fly or permanently set with the OTP memory feature. 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. 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. |
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