DC1676A: 20A OR'ing or Dual Diode, 4.5 ~ 60V in

Summary

Demonstration Circuit 1676A showcases the LTC®4359 ideal diode controller with reverse input protection. The board includes two independent LTC4359 ideal diode circuits, sharing a common ground and operating over a 4.5V to 60V range. Each circuit comprises a load switch and ideal diode connected in series. Power to the load may be turned on and off by using the SHDN input, and the load is protected against reverse inputs of up to –40VDC by the ideal diode.

In addition, input dropouts are blocked from the output, permitting capacitors or a battery to hold up the load when input power fails.

Each channel is capable of carrying 20A. Through-hole pads are included to permit modification for even higher currents, using an off-board power stage.

Specifications

Manufacturer Analog Devices Inc.
Category Power Management
Sub-Category OR-ing Controllers
Eval Board Part Number 505-DC1676A-ND
Eval Board Supplier Analog Devices Inc.
Eval Board Normally In Stock
Current Out 20 A (x2)
Voltage Out 28 V TYP
Supply Voltage 4.5 ~ 60 V
Features Reverse Polarity Protection
Short Circuit Protection
Shutdown, Enable, Standby
Quiescent Current [Typical] 150 µA
Component Count + Extras 30 + 34
Application / Target Market Automotive
Battery Chargers
Power: Auxiliary Power Supply
Servers
Solar Powered Back-up
Telecom
UPS
Design Author Linear Technology
Quiescent Current [Maximum] 200 µA
Main I.C. Base Part LTC4359
Date Created By Author 2013-03
Date Added To Library 2014-01

Eval Board

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Support Documents & Media

DC1676A - User Guide LTC4359 - Datasheet

Media

DC1676A_Schematic_Full.png DC1676A_Board_Full.jpg DC1676A_Chart_Full.png
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