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ADM1177-2ARMZ-R7 - 

Hot Swap Controller, 3.15V to 16.5V supply, MSOP-10

ANALOG DEVICES ADM1177-2ARMZ-R7

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Manufacturer Part No:
ADM1177-2ARMZ-R7
Order Code:
2457261RL
Product Range
ADM1177 Series
Technical Datasheet:
(EN)
See all Technical Docs

Product Overview

The ADM1177-2ARMZ-R7 is a Hot Swap Controller and Digital Power Monitor with soft start pin. It offers digital current and voltage monitoring via an on-chip, 12-bit analog-to-digital converter (ADC), communicated through an I²C® interface. An internal current sense amplifier measures voltage across the sense resistor in the power path via the VCC pin and the SENSE pin. It limits the current through this resistor by controlling the gate voltage (via the GATE pin) of an external N-channel FET in the power path. The voltage across the sense resistor (and, therefore, the inrush current) is kept below a preset maximum. It protects the external FET by limiting the time that the maximum current runs through it. This current limit period is set by the value of the capacitor attached to the TIMER pin. Additionally, the device provides protection from overcurrent events that may occur once the hot swap event is complete.
  • Allows safe board insertion and removal from a live backplane
  • Precision current sense amplifier
  • Precision voltage input 12-bit ADC for current and voltage readback
  • Charge pumped gate drive for external N-channel FET
  • Adjustable analog current limit with circuit breaker
  • ±3% accurate hot swap current limit level
  • Fast response limits peak fault current
  • Automatic retry or latch-off on current fault
  • Programmable hot swap timing via TIMER pin
  • Soft start pin for reference adjustment and programming of initial current ramp rate
  • Active high ON pin

Applications

Communications & Networking, Power Management, Computers & Computer Peripherals, Consumer Electronics, Portable Devices

Product Information

:
Central Office Equipment, Communication, PCs/Servers, Power Monitoring
:
-
:
3.15V
:
16.5V
:
MSOP
:
10Pins
:
-40°C
:
85°C
:
Cut Tape
:
ADM1177 Series
:
MSL 1 - Unlimited
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