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  • SparkFun Soft Power Switch Mk2 – SPF-25649

SparkFun Soft Power Switch Mk2 – SPF-25649

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Delivery & Return Rules

Same-Day Delivery for ISB/RWP

Policy: Orders placed before 3:00 PM for delivery within Islamabad/Rawalpindi will be delivered the same day. Orders placed after this time will be delivered the next business day.

Quick Returns

Explanation: We aim for a smooth return experience.

Policy: Returned items will be processed within 3–5 business days of receiving the item, and you will be notified once the return is approved.

Exchange for Misquoted Items

Explanation: We take full responsibility for product listing accuracy.
Policy: If the item you received is significantly different from its description or image, you can request an exchange.

Wrong or Damaged Products

Explanation: We ensure product quality and accurate shipping.
Policy: If you receive an incorrect product or one that is damaged during shipment, you are eligible for a free exchange.

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Explanation: Your order should arrive complete and in perfect form.
Policy: If any accessory, component, or part is missing from the package, we will ship the missing parts after confirmation.

Video Proof of the Items

Explanation: Helps verify the condition of the product upon delivery.
Policy:  An unboxing video is mandatory at the time of opening the package. The video must clearly show the sealed package being opened, the product, and all included components. This is required for any claims related to:

  • Missing items
  • Damaged products
  • Wrong deliveries

Without this video proof, we will not be able to process returns or exchanges.

No Warranty for Electronic Products

Explanation: Most electronic items are sold as-is and cannot be returned once used.
Policy: Electronic products are not covered under warranty. We recommend testing the item as soon as you receive it. Exchanges are only allowed if the product is damaged on arrival or incorrectly delivered.

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Policy: All return/exchange requests must be submitted within 10 days (local orders) and 20 days (bulk orders) from the invoice date.

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  2 - 5 DAY DELIVERY  May 04 May 08
SKU: 5000000000010
Category:Boards & Modules
Brand: SparkFun Electronics
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TECHNICAL DOCUMENTATION FILES

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Description
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Description

The SparkFun Soft Power Switch is a passive, hard on/off switch with software feedback and control. In other words, it’s like a laptop on/off switch. A simple press will turn the system on. Another press can (with MCU intervention) turn off the system. Moreover if things go wrong, pressing and holding the button for ~10 seconds will force a power-down.

If you’re building something with an enclosed battery and need a good power button, this is the board you need. This version has JST 2mm battery connectors, but we also have a version with USB-C connectors.

The Soft Power Switch is reliable and efficient, based on a robust, fully digital design from Texas Instruments. It features a self-resetting 2A fuse for overcurrent protection, input and output LEDs for visual feedback, and an incredibly low quiescent current draw to conserve battery power.

Connect the PUSH and OFF pins to your microcontroller to monitor button presses and initiate a controlled shutdown sequence, ensuring a smooth power-down process. You can customize the wake-up and power-down times to create the perfect user experience. The Soft Power Switch supports battery charging, allowing you to power your project while conveniently replenishing the battery. It’s designed for JST 2mm battery connectors and operates with voltages up to 5.5V.

Please be aware:

    • The Soft Power Switch – JST 2mm works up to 5.5V only. (Mk1 is good up to 12V.)
    • The Soft Power Switch – JST 2mm was designed to work with DC loads. Unfortunately, the board is not designed for AC loads.

Features & Specs

  • Input voltage: 5.5V maximum, 1.8V minimum
  • Typically ~3.7V from a single cell LiPo Battery
  • Maximum current draw: 2A continuous, 4A peak (fuse protected)
  • SIL2308 N&P-Channel MOSFET
  • 70mΩ (0.070 Ohm) typical P-Channel on-resistance
  • Very low quiescent current: <1µA @ 3.75V, with VIN LED disabled
  • 2x 2-Pin JST Right-Angle Connectors
  • VIN
  • VOUT
  • Supports battery charging
  • Built-in momentary push button
  • Hard override: push and hold the button for ~10 seconds
  • Breakout PTH:
  • GND, VIN, VOUT
  • BTN: if desired, connect an external button between BTN and GND
  • PUSH: open-drain output, requires pull-up, low indicates button is pushed
  • OFF: drive high to turn the output off
  • Jumpers
  • Input power LED
  • Output power LED
  • Dimensions: 1.0in. x 1.0in. (25.4mm x 25.4mm)
  • Weight: 3.10g

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