ADM1175-1ARMZ-R7

Programmable Features:	Current Limit, Fault Timeout, Turn On Voltage
Base Part Number:	ADM1175
Feature Pins:	(ON, ONB), TIMER
Supplier Device Package:	10-MSOP
Package / Case:	10-TFSOP, 10-MSOP (0.118", 3.00mm Width)
Mounting Type:	Surface Mount
Current - Supply:	1.7mA
Operating Temperature:	-40°C ~ 85°C
Current - Output (Max):	--
Voltage - Supply:	3.15 V ~ 16.5 V
Series:	--
Features:	Auto Retry, I²C, OVP, UVLO
Applications:	General Purpose
Internal Switch(s):	No
Number of Channels:	1
Type:	Hot Swap Controller, Monitor
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Tape & Reel (TR)

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Introduction to ADM1175-1ARMZ-R7 Hot Swap Controllers

Hot Swap Controllers are used to provide efficient power management in switch-mode supplies. In particular, ADM1175-1ARMZ-R7 Hot Swap Controllers can provide maximum efficiency when used with power switch MOSFETs in switching mode power supplies. These controllers are capable of controlling the power on/off process, monitoring output current levels, enabling the power management of multiple power stages, and providing protection against over-current and over-temperature conditions.

Applications of ADM1175-1ARMZ-R7 Hot Swap Controllers

ADM1175-1ARMZ-R7 Hot Swap Controllers are widely used in a variety of applications. They are suitable for a variety of low-voltage, high-performance digital systems such as high-end computers, servers, and storage systems. They are also ideal for powering multiple power sources through a single controller by driving small and large loads. The ADM1175-1ARMZ-R7 Hot Swap Controllers are also suitable for providing power sequencing for multiple voltage components such as CPU, DRAM, I/O, power converter, and other system components including additional redundant supplies. They offer efficient adjustment of soft-start time to improve system transient response. Moreover, they provide multiple time-out safety features that protect the system from over/under voltage, over/under current, and over-temperature conditions, preventing damage to the application.

Working Principle of ADM1175-1ARMZ-R7 Hot Swap Controllers

An ADM1175-1ARMZ-R7 Hot Swap Controller takes over the turn-on, turn-off, and fault detection control of the power supply, drawing the correct amount of current to suit the application’s demands. It provides a wide range of protection against excessive voltage, current, and temperature. The controller employs a self-clocking cycle on and off switch which can drive a power switch MOSFET. This arrangement enhances efficiency and minimizes power losses in both operating modes. The controller also offers adjustable soft-start time, delay time, and time-out protection, ensuring efficient and safe operation. The ADM1175-1ARMZ-R7 Hot Swap Controller also features current-mode operation and wide voltage range adjustable, and utilizes a hysteretic over-current protection scheme for fast and accurate response times. It has an accuracy reference voltage, two control input pins, under voltage lockout (UVLO) and enable pin, programmable rising/falling current sense thresholds, adjustable current sense limit level, MOSFET gate driver output, and low power drain mode.

Conclusion

In conclusion, ADM1175-1ARMZ-R7 Hot Swap Controllers provide a robust and efficient solution for hot-swap power control. They are suitable for a variety of applications and provide the ability to manage multiple power sources with a single controller. The wide range of protection features allows the controllers to provide reliable protection against over/under voltage, current, and temperature conditions, while their efficient current-mode operation ensures efficient operation.

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