Features and Benefits

  • Factory-Set Reset Threshold Options from +3.3V to +11.6V
  • Manual Reset Input
    • Active-High and Active-Low Trigger Options
    • Optional Internal Pullup or Pulldown
    • Fast (45µs) and Slow (50ms) Debounce Time Options
  • Guaranteed Reset Valid to VCC ≥ 1.3V
  • Push-Pull and Open-Drain Reset Output Options
    • MAX16143: Open-Drain, Active-Low
    • MAX16145: Open-Drain, Active-High
    • MAX16147: Push-Pull, Active-Low
    • MAX16149: Push-Pull, Active-High
  • Power-Supply Transient Immunity
  • -40°C to +125°C Operating Temperature Range
  • SOT23-5 Package and 4-Bump WLPs

Product Details

The MAX16143, MAX16145, MAX16147, and MAX16149 are supervisory circuits that monitor their own supply voltages using a factory-set reset threshold that ranges from +3.3V to +11.6V. A manual reset (MR or active-low MR) input is included. The RESET (or active-low RESET) output has options for active-low, active-high, push-pull, or open-drain. The reset output asserts when the monitored voltage falls below the threshold voltage, and remains asserted until the monitored voltage has exceeded its threshold (plus hysteresis) for a time equal to the factory-set reset timeout period. Available reset timeout periods range from 30µs to 4.2s.

The 5-pin SOT23 and 4-bump wafer-level packages (WLPs) offer compatibility with space-constrained environments. These ICs are fully specified over the -40°C to +125°C temperature range.


  • Communications Equipment
  • Industrial Equipment
  • Servers

Product Lifecycle icon-recommended Pre-Release

This product is new and engineering validation may still be underway. Quantities may be limited and design specifications may change while we ready the product for release to production.

Tools & Simulations

IBIS Models