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MAX16031ETM+ Datasheet(PDF) 1 Page - Maxim Integrated Products |
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MAX16031ETM+ Datasheet(HTML) 1 Page - Maxim Integrated Products |
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1 / 41 page  General Description The MAX16031/MAX16032 EEPROM-configurable sys- tem monitors feature an integrated 10-bit analog-to- digital converter (ADC) designed to monitor voltages, temperatures, and current in complex systems. These EEPROM-configurable devices allow enormous flexibility in selecting operating ranges, upper and lower limits, fault output configuration, and operating modes with the capability of storing these values within the device. The MAX16031 monitors up to eight voltages, three temperatures (one internal/two external remote temper- ature diodes), and a single current. The MAX16032 monitors up to six voltages and two temperatures (one internal/one remote temperature diode). Each of these monitored parameters is muxed into the ADC and writ- ten to its respective register that can be read back through the SMBus™ and JTAG interface. Measured values are compared to the user-config- urable upper and lower limits. For voltage measure- ments, there are two undervoltage and two overvoltage limits. For current and temperature, there are two sets of upper limits. Whenever the measured value is out- side its limits, an alert signal is generated to notify the processor. Independent outputs are available for over- current, overtemperature, and undervoltage/overvolt- age that are configured to assert on assigned channels. There are also undedicated fault outputs that are configured to offer a secondary limit for tempera- ture, current, or voltage fault or provide a separate overvoltage output. During a major fault event, such as a system shutdown, the MAX16031/MAX16032 automatically copy the inter- nal ADC registers into the nonvolatile EEPROM registers that then are read back for diagnostic purposes. The MAX16031/MAX16032 offer additional GPIOs that are used for voltage sequencing, additional fault out- puts, a manual reset input, or read/write logic levels. A separate current-sense amplifier with an independent output allows for fast shutoff during overcurrent condi- tions. The MAX16031/MAX16032 are available in a 7mm x 7mm TQFN package and are fully specified from -40°C to +85°C. Applications Servers Workstations Storage Systems Networking Telecom Features o Supply Voltage Operating Range of 2.85V to 14V o Monitors Up to Eight Voltages (Single-Ended or Pseudo-Differential) with 1% Accuracy o EEPROM-Configurable Limits Two Undervoltage and Two Overvoltage Two Overtemperature Two Overcurrent o High-Side Current-Sense Amplifier with Overcurrent Output (MAX16031 Only) o Monitors Up to Three Temperatures (1 Internal/2 Remote) o Nonvolatile Fault Memory Stores Fault Conditions for Later Retrieval o Two Additional Configurable Fault Outputs o Two Configurable GPIOs o SMBus/I2C-Compatible Interface with ALERT Output and Bus Timeout Function o JTAG Interface o 7mm x 7mm, 48-Pin TQFN Package EEPROM-Based System Monitors with Nonvolatile Fault Memory ________________________________________________________________ Maxim Integrated Products 1 48 47 46 45 44 43 42 41 40 39 38 37 13 14 15 12 11 EP 10 9 8 7 6 5 4 3 2 1 + 25 26 27 28 29 30 31 32 33 34 35 36 16 17 18 19 20 21 22 23 24 ABP GND DBP TDO N.C. N.C. N.C. TDI TCK TMS RESET FAULT1 ( ) MAX16031 ONLY IN2 IN3 IN4 N.C. N.C. N.C. N.C. GND IN5 IN6 N.C. (IN7) N.C. (IN8) MAX16031 MAX16032 TQFN Pin Configuration 19-0870; Rev 2; 6/10 For pricing, delivery, and ordering information, please contact Maxim Direct at 1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com. EVALUATION KIT AVAILABLE Ordering Information PART TEMP RANGE PIN-PACKAGE MAX16031ETM+ -40°C to +85°C 48 TQFN-EP* MAX16032ETM+ -40°C to +85°C 48 TQFN-EP* SMBus is a trademark of Intel Corp. + Denotes a lead(Pb)-free/RoHS-compliant package. * EP = Exposed pad. |
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