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LTC4415EMSE#TRPBF

Dual 4A ideal diode, 50mOhm, 1.7-5.5V, adjustable current limit, 16-MSOP

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Manufacturer Part：

LTC4415EMSE#TRPBF

Package：

16-MSOP w/ Exposed Pad (5.0 x 4.0 mm)

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Description

Product Overview

The LTC4415EMSE#TRPBF from Analog Devices is a dual 4A monolithic ideal diode with adjustable current limit, housed in a thermally enhanced 16-lead MSOP package. Operating from 1.7V to 5.5V, it features 50mOhm typical forward resistance and 15mV regulated forward voltage drop, ideal for power supply ORing and battery backup systems.

Key Specifications

Operating Voltage 1.7V ~ 5.5V
Forward Resistance 50mOhm (typical)
Forward Voltage Drop 15mV (regulated)
Current Limit (per diode) 0.5A ~ 4A adjustable
Reverse Leakage 1uA max
Operating Temperature -40°C ~ 125°C
Package 16-lead MSOP w/ EP

Features

  • Dual 50mOhm monolithic ideal diodes
  • 15mV forward drop in regulation
  • Adjustable current limit per diode (0.5A to 4A)
  • Smooth switchover in diode ORing
  • Load current monitor via CLIM pins
  • Soft-start limits inrush current
  • Status and warning pins for diagnostics

Applications

  • Battery and wall adapter diode ORing
  • Backup battery switchover
  • Supercapacitor ORing
  • High-current PowerPath switches
  • Multiple battery sharing systems

The LTC4415 from Analog Devices integrates two monolithic PowerPath ideal diodes, each capable of supplying up to 4A with a typical forward conduction resistance of 50mOhm. At low currents, the diode voltage drop is regulated to just 15mV, significantly extending usable supply range compared to Schottky diodes. The device operates from 1.7V to 5.5V, making it ideal for single-cell Li-Ion to 5V rail applications. Adjustable current limiting (0.5A to 4A per channel), soft-start, and thermal shutdown with warning outputs provide robust system protection.

The LTC4415 uses an internal MOSFET to emulate an ideal diode with near-zero forward drop. A regulation loop maintains 15mV across the MOSFET at low currents; as load increases, the MOSFET fully enhances, and conduction is determined by RDS(on). The EN1/EN2 inputs independently enable each diode and set priority. Current limiting is set via resistors on CLIM pins, which also provide a voltage proportional to diode current for monitoring. Open-drain STAT pins indicate forward conduction, while WARN pins alert when approaching thermal or overcurrent thresholds.

Pin Name Type Function
1,2 IN1 Input Input of ideal diode 1
3 EN1 Input Enable diode 1
4 CLIM1 I/O Current limit set / monitor 1
5 CLIM2 I/O Current limit set / monitor 2
6 EN2 Input Enable diode 2
7,8 IN2 Input Input of ideal diode 2
9,10 OUT2 Output Output of ideal diode 2
11 STAT2 Output Status output diode 2
12 WARN2 Output Warning output diode 2
13 WARN1 Output Warning output diode 1
14 STAT1 Output Status output diode 1
15,16 OUT1 Output Output of ideal diode 1
17 GND Power Ground (exposed pad)
  • Power supply ORing for battery and wall adapter systems
  • Backup battery automatic switchover
  • Supercapacitor hold-up power ORing
  • Logic-controlled high-current power switches
  • Multiple battery sharing in portable devices
Manufacturer Part Number Package Notes
Analog Devices LTC4415IMSE#TRPBF 16-MSOP Industrial temp, -40 to 125C
Analog Devices LTC4415EDHC#TRPBF 16-DFN DFN package alternative
Maxim MAX40200 4-WLP Single ideal diode, 1A
Texas Instruments LM74700QDBVRQ1 SOT-23 Automotive ideal diode controller
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All electronic components we source from our partnered supply chains go through strict incoming inspections.Through careful testing, we ensure everything delivered to customers is genuine original parts and meets quality requirements.In addition, we keep complete inspection records to make the entire supply chain process clear and traceable.

Certification
We have obtained a number of professional certifications and built our own professional testing laboratory.This ensures that every product we deliver to our customers meets the highest quality requirements.We conduct tests in strict accordance with procedures to ensure stable product quality and accurate parameters.To guarantee genuine original parts, we also cooperate with reliable third-party testing institutions for strict quality inspection.We always attach great importance to quality and fully comply with industry standards, relevant regulations, and ISO 9001:2015 requirements.

Shipping & Payment

All electronic components we source from our partnered supply chains go through strict incoming inspections.Through careful testing, we ensure everything delivered to customers is genuine original parts and meets quality requirements.In addition, we keep complete inspection records to make the entire supply chain process clear and traceable.

Certification
We have obtained a number of professional certifications and built our own professional testing laboratory.This ensures that every product we deliver to our customers meets the highest quality requirements.We conduct tests in strict accordance with procedures to ensure stable product quality and accurate parameters.To guarantee genuine original parts, we also cooperate with reliable third-party testing institutions for strict quality inspection.We always attach great importance to quality and fully comply with industry standards, relevant regulations, and ISO 9001:2015 requirements.

Service & Packaging

All electronic components we source from our partnered supply chains go through strict incoming inspections.Through careful testing, we ensure everything delivered to customers is genuine original parts and meets quality requirements.In addition, we keep complete inspection records to make the entire supply chain process clear and traceable.

Certification
We have obtained a number of professional certifications and built our own professional testing laboratory.This ensures that every product we deliver to our customers meets the highest quality requirements.We conduct tests in strict accordance with procedures to ensure stable product quality and accurate parameters.To guarantee genuine original parts, we also cooperate with reliable third-party testing institutions for strict quality inspection.We always attach great importance to quality and fully comply with industry standards, relevant regulations, and ISO 9001:2015 requirements.

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