1. Products
  2. Power Monitor, Control, and Protection
  3. PowerPath, Ideal Diodes, and Load Switches
  4. LTC4416


Features and Benefits

  • Designed Specifically to Drive Large and Small QG PFETs
  • Very Low Loss Replacement for Power Supply OR’ing Diodes
  • Wide Operating Voltage Range: 3.6V to 36V
  • –40°C to 125°C Operating Temperature Range
  • Reverse Battery Protection
  • Automatic Switching Between DC Sources
  • Low Quiescent Current: 35μA per Channel
  • Load Current Sharing
  • MOSFET Gate Protection Clamp
  • Precision Input Control Comparators for Setting Switchover Threshold Points
  • Open-Drain Feedback Points for Customer Specified Hysteresis Control
  • Minimal External Components
  • Space Saving 10-Lead MSOP Package

Product Details

The LTC4416/LTC4416-1 control two sets of external P-channel MOSFETs to create two near ideal diode functions for power switchover circuits. This permits highly efficient OR’ing of multiple power sources for extended battery life and low self heating. When conducting, the voltage drop across the MOSFET is typically 25mV. For applications with a wall adapter or other auxiliary power source, the load is automatically disconnected from the battery when the auxiliary source is connected.

The LTC4416 integrates two interconnected PowerPath controllers with soft switchover control. The “soft-off” switchover permits the users to transfer between two dissimilar voltages without excessive voltage undershoot (or VDROOP) in the output supply. The LTC4416/LTC4416-1 also contain a “fast-on” feature that dramatically increases gate drive current when the forward input voltage exceeds 25mV. The LTC4416 “fast off” feature is engaged when the sense voltage exceeds the input voltage by 25mV. The LTC4416-1 enables the fast off under the same conditions and when the other external P-channel device is selected using the enable pins.

The wide operating supply range supports operation from one to eight Li-Ion cells in series. The low quiescent current (35μA per channel) is independent of the load current. The gate driver includes an internal voltage clamp for MOSFET protection.

The LTC4416/LTC4416-1 are available in low profile 10-lead MSOP packages.


  • High Current PowerPath Switch
  • Industrial and Automotive Applications
  • Uninterruptible Power Supplies
  • Logic Controlled Power Switch
  • Battery Backup System
  • Emergency Systems with Battery Backups

Product Lifecycle icon-recommended Recommended for New Designs

This product has been released to the market. The data sheet contains all final specifications and operating conditions. For new designs, ADI recommends utilization of these products.

Evaluation Kits (1)

Tools & Simulations


LTspice® is a powerful, fast and free simulation software, schematic capture and waveform viewer with enhancements and models for improving the simulation of analog circuits.

To launch ready-to-run LTspice demonstration circuits for this part:

Step 1: Download and install LTspice on your computer.

Step 2: Click on the link in the section below to download a demonstration circuit.

Step 3: If LTspice does not automatically open after clicking the link below, you can instead run the simulation by right clicking on the link and selecting “Save Target As.” After saving the file to your computer, start LTspice and open the demonstration circuit by selecting ‘Open’ from the ‘File’ menu.


Models for the following parts are available in LTspice:


Product Recommendations

LTC4416 Companion Parts

Recommended Related Parts

Design Resources

ADI has always placed the highest emphasis on delivering products that meet the maximum levels of quality and reliability. We achieve this by incorporating quality and reliability checks in every scope of product and process design, and in the manufacturing process as well.  "Zero defects" for shipped products is always our goal.View our quality and reliability program and certifications for more information.

Part Number Material Declaration Reliability Data Pin/Package Drawing CAD Symbols, Footprints & 3D Models
LTC4416EMS#PBF Material Declaration Reliability Data 10-Lead MSOP
LTC4416EMS#TRPBF Material Declaration Reliability Data 10-Lead MSOP
LTC4416EMS-1#PBF Material Declaration Reliability Data 10-Lead MSOP
LTC4416EMS-1#TRPBF Material Declaration Reliability Data 10-Lead MSOP
LTC4416IMS#PBF Material Declaration Reliability Data 10-Lead MSOP
LTC4416IMS#TRPBF Material Declaration Reliability Data 10-Lead MSOP
LTC4416IMS-1#PBF Material Declaration Reliability Data 10-Lead MSOP
LTC4416IMS-1#TRPBF Material Declaration Reliability Data 10-Lead MSOP
Wafer Fabrication Data R384 Reliability Data

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Sample & Buy

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Buy Now Pricing

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List Pricing

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Evaluation Boards

Pricing displayed is based on 1-piece.

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Pricing displayed is based on 1-piece. The USA list pricing shown is for budgetary use only, shown in United States dollars (FOB USA per unit), and is subject to change. International prices may vary due to local duties, taxes, fees and exchange rates.