MAX16058
Info: : PRODUCTION
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MAX16058

125nA nanoPower Supervisory Circuits with Capacitor-Adjustable Reset and Watchdog Timeouts

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Capacitor-Adjustable Nanopower Supervisory Circuits

Info: : PRODUCTION tooltip
Info: : PRODUCTION tooltip
Part Details
Part Models 20
1ku List Price Starting From $2.10
Features
  • Reduced Power Requirements
    • Ultra-Low 125nA (typ) Supply Current
    • 1.1V to 5.5V Operating Supply Range
  • Configurable Circuit Enables Flexible Designs
    • Factory-Set Reset Threshold Options from 1.575V to 4.625V in Approximately 100mV Increments
    • Capacitor-Adjustable Reset Timeout
    • Capacitor-Adjustable Watchdog Timeout (MAX16056/MAX16058)
    • Watchdog Timer Capacitor Open Detect Function
    • Optional Watchdog Disable Function (MAX16056/MAX16058)
    • Manual-Reset Input
    • Push-Pull or Open-Drain Active-Low RESET Output Options
  • Integrated Features Increases System Robustness
    • Power-Supply Transient Immunity
    • Guaranteed Active-Low RESET Valid for VCC ≥ 1.1V
  • Saves Board Space
    • 3mm x 3mm TDFN Package
Additional Details
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The MAX16056–MAX16059 are ultra-low-current 125nA (typ) microprocessor (µP) supervisory circuits that monitor a single system supply voltage. These devices assert an active-low reset signal whenever the VCC supply voltage drops below the factory trimmed reset threshold, manual reset is pulled low, or the watchdog timer runs out (MAX16056/MAX16058). The reset output remains asserted for an adjustable reset timeout period after VCC rises above the reset threshold. Factory-trimmed reset threshold voltages are offered from 1.575V to 4.625V in approximately 100mV increments (see Table 1 in the full data sheet).

These devices feature adjustable reset and watchdog timeout using external capacitors. The MAX16056/MAX16058 contain a watchdog timer with a watchdog select input (WDS) that multiplies the watchdog timeout period by 128. The MAX16057/MAX16059 do not have the watchdog feature.

The MAX16056–MAX16059 are available in either push-pull or open-drain output-type configurations (see the Ordering Information in the full data sheet). These devices are fully specified over the -40°C to +125°C automotive temperature range. The MAX16056/MAX16058 are available in the 8-pin TDFN package, and the MAX16057/MAX16059 are available in the 6-pin TDFN package.

Applications

  • Glucose Monitors/Patient Monitors
  • Metering/HVAC
  • MP3 Players/Pagers
  • PDAs/Cell Phones
  • Portable/Battery-Powered Equipment
Part Models 20
1ku List Price Starting From $2.10

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Documentation

Documentation

Part Model Pin/Package Drawing Documentation CAD Symbols, Footprints, and 3D Models
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Software and Part Ecosystem

Software and Part Ecosystem

Reference Designs

Reference Designs 1

MAXREFDES38

MAXREFDES38#: ECT/EPT Current Fault Sensor

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MAXREFDES38

MAXREFDES38#: ECT/EPT Current Fault Sensor

MAXREFDES38#: ECT/EPT Current Fault Sensor

Features and Benefits

  • High accuracy
  • Low power
  • Accepts 3VP-P single-ended signal or 6VP-P differential signal
  • Optimized layout and size
  • Device drivers
  • Example C source code
  • Test data
View Detailed Reference Design external link

Design & Integration Tools

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