MAX16150

nanoPower Pushbutton On/Off Controller and Battery Freshness Seal

The MAX16150 is a Pushbutton On/Off Controller with a Switch De-Bouncer and Built-In Latch


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Description

The MAX16150 is an extremely low-power, pushbutton, on/off controller with a switch debouncer and built-in latch. This device accepts a noisy input from a mechanical switch and produces a clean, latched output, as well as a one-shot interrupt output, in response to a switch closure exceeding the debounce period at active-low PB_IN. A switch closure longer than shutdown period at active-low PB_IN results in a longer one-shot interrupt output. The MAX16150 family has two set of devices, one in which a longer switch closure greater than the shutdown period de-asserts the latched output, and another in which the latched output stays asserted. See Table 1 for more information.

The MAX16150 operates from a supply range of +1.3V to +5.5V and consumes less than 20nA of supply current to ensure minimal battery drain in low-power applications, as well as to allow use as a battery "freshness seal". The robust switch input (active-low PB_IN) accepts up to ±60V levels and is ±15kV ESD-protected for use in harsh environments. The latched output can serve as a logic signal to control a regulator, or it can serve as a switch to connect the load directly to the power supply when load current is low, providing 20mA of output current with less than 100mV voltage drop. A separate active-low INT output provides a system interrupt whenever a valid pushbutton signal is detected. An asynchronous active-low CLR input allows an external signal to force the latched output to the off state.

The MAX16150 operates over the -40°C to +125°C temperature range and is available in a 1mm x 1.5mm, 6-bump wafer-level package (WLP) and a 6-pin thin SOT23 package.

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MAX16150: Block Diagram MAX16150: Block Diagram Enlarge+

Key Features

  • Low Power
    • 20nA (Max) Standby Current
  • Debounces Noisy Switches
    • 50ms and 2s Debounce Timing Options
    • 8s and 16s Shutdown Timing Periods
  • Latched Output Supplies 20mA Load Current With Less Than 100mV Drop
  • One-Shot Active-Low INT Output on Each Switch Closure
  • 8ms, 32ms, 64ms, and 128ms Active-Low INT Timing Options
  • Pushbutton Input Handles up to ±60V
  • ±15kV HBM ESD Protection
  • 6-pin SOT23 and 1mm x 1.5mm, 6-bump WLP

Applications/Uses

  • Disposable Low-Power Electronics
  • Handheld Consumer Electronics
  • Industrial Equipment
  • Portable Instruments

Pricing Notes:
This pricing is BUDGETARY, for comparing similar parts. Prices are in U.S. dollars and subject to change. Quantity pricing may vary substantially and international prices may differ due to local duties, taxes, fees, and exchange rates. For volume-specific and version-specific prices and delivery, please see the price and availability page or contact an authorized distributor.
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Note : The failure rates are summarized by technology and mapped to the associated material part numbers. The failure rates are highly dependent on the number of units tested.

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Related Resources

Type ID Title
Design Solution 7318 Preserve and Seal in Battery Freshness