LTC4226CUD-1#TRPBF

Programmable Features:	Circuit Breaker, Current Limit, Fault Timeout, OVP
Base Part Number:	LTC4226
Feature Pins:	CLS, /FAULT1, FAULT2, FTMR1, FTMR2, ON1, ON2, OUT1, OUT2
Supplier Device Package:	16-QFN (3x3)
Package / Case:	16-WFQFN Exposed Pad
Mounting Type:	Surface Mount
Current - Supply:	700µA
Operating Temperature:	0°C ~ 70°C
Current - Output (Max):	--
Voltage - Supply:	4.5 V ~ 44 V
Series:	--
Features:	Latched Fault, UVLO
Applications:	General Purpose
Internal Switch(s):	No
Number of Channels:	2
Type:	Hot Swap Controller
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Tape & Reel (TR)

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PMIC - Hot Swap Controllers

Hot swap controllers are integrated circuits (ICs) that are designed to protect circuitry during power-up, power-off and over-voltage conditions. The LTC4226CUD-1#TRPBF hot swap controller is part of Linear Technology’s family of Hot Swap controllers and is an ideal product for applications that require transient voltage regulation and options for controlling current capacities in power distribution.

Features of the LTC4226CUD-1#TRPBF Hot Swap Controller

The LTC4226CUD-1#TRPBF hot swap controller has a variety of features that make it an ideal choice for applications requiring power-up, power-down and over-voltage protection. The device offers excellent current-to-voltage conversion with extremely low external component count, as well as integrated gate drivers and current limiting. Additionally, the hot swap controller has low power consumption, wide temperature range and high ESD protection.

Application Fields

The LTC4226CUD-1#TRPBF hot swap controller can be used in a variety of applications, including portable electronics, industrial control systems, medical devices, telecom and datacom systems and power supplies. The device is perfect for applications that require power-up, power-down or over-voltage protection, particularly where current levels must be addressed and controlled in power distribution.

Working Principle

The LTC4226CUD-1#TRPBF hot swap controller operates on the principle of controlling current through regulation of the gate voltage of a PMOSFET. The device has three input pins that measure the voltage at each node. The device features an adjustable current threshold and an integrated gate driver that is capable of driving PMOSFETs with up to 10A current. If the voltage at one of the input pins is below the current threshold, the device will switch on a PMOSFET that is connected between VIN and GND. When the voltage drops below the current threshold, the PMOSFET is switched off and the power delivery is interrupted. The device also has an overtemperature protection circuit that limits the amount of excessive heat that can be produced by the device.

Benefits of the LTC4226CUD-1#TRPBF

The LTC4226CUD-1#TRPBF hot swap controller is ideal for applications that need power-up, power-down and over-voltage protection. The device offers low component count, low power consumption and excellent current-to-voltage conversion. The device also has an adjustable current threshold and overtemperature protection. Additionally, the LTC4226CUD-1#TRPBF features a wide temperature range, making it suitable for most industrial and commercial applications.

Conclusion

The LTC4226CUD-1#TRPBF hot swap controller is part of Linear Technology’s family of Hot Swap controllers, offering excellent current-to-voltage conversion, low external component count and low power consumption. The device is ideal for applications that require power-up, power-down and over-voltage protection, and is suitable for portable electronic devices, industrial control systems, medical devices, telecom and datacom systems and power supplies.

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