LTC4217IDHC

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LTC4217IDHC

IC HOT SWAP CTRLR GP 16DFN

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  • Mfr. Partie #LTC4217IDHC
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Spécifications

Part Status Obsolete
Base Product Number LTC4217
Type Hot Swap Controller, Monitor
Number of Channels 1
Internal Switch(s) Yes
Applications General Purpose
Features Thermal Limit
Programmable Features Auto Retry, Current Limit, Fault Timeout, Latched Fault, OVP, UVLO
Voltage - Supply 2.9V ~ 26.5V
Current - Output (Max) 2A
Operating Temperature -40°C ~ 85°C
Current - Supply 1.6 mA
Mounting Type Surface Mount
Package 16-WFDFN Exposed Pad
Supplier Device Package 16-DFN (5x3)
Packaging Tube

Vue d'ensemble

Description

The LTC4217IDHC is a dual high‑side hot‑swap controller for two N‑channel MOSFETs. It protects a system during live insertion (hot‑plug) by limiting inrush current with a programmable current limit and soft‑start, while monitoring faults.
Key features (typical): dual channels, programmable current limit via a sense resistor, controlled ramp/soft‑start, overcurrent/short‑circuit protection with latch, overvoltage protection, thermal shutdown, and status/FAULT outputs. It is designed for backplanes, server/add‑in cards, telecom equipment, and other power‑path protections.
How it works: each channel drives a MOSFET gate to limit current during plug‑in, then safely enables normal operation; faults latch off and notify via status pins.
Packaging note: LTC4217IDHC denotes a specific package/grade variant; consult the datasheet for exact dimensions, temperature range, and pinout.
In short: a robust, programmable dual hot‑swap solution that protects power paths during hot‑plug and fault events.

Features

Here are the main features of the LTC4217IDHC:
- Dual hot‑swap controllers in one device (two independent channels)
- Programmable current limit per channel (via sense resistor) for inrush and short protection
- Slew‑rate/soft‑start control to limit inrush current
- Fault protection with latchable status: overcurrent, overvoltage, undervoltage, and thermal fault
- Independent fault/status outputs and/or combined system flags
- Drives external N‑channel MOSFETs (back‑to‑back) for input protection and reverse‑current blocking
- Thermal shutdown protection with automatic retry
- Wide input voltage range suitable for board/backplane hot‑swap applications
- Low quiescent current and robust protection during power‑up/power‑down
- Monitors and protects each channel while enabling reliable system power sequencing
Note: For exact electrical specs (voltages, current limits, timing, and pinout), please refer to the LTC4217IDHC datasheet.

Package

LTC4217IDHC is in an 8-pin small-outline package (SOIC-8).

Pinout

- Pin count: 8 pins (8‑lead package such as SOIC/MSOP).
- Function: High‑side hot‑swap controller that monitors input voltage/current, limits inrush, and drives an external MOSFET to protect a power rail/backplane from faults (with overcurrent/UVLO protections and soft‑start).

Manufacturer

Manufacturer: Analog Devices, Inc. (the Linear Technology brand; LTC parts originated from Linear Technology, now part of ADI).
Company type: A multinational semiconductor company that designs and manufactures analog, mixed-signal, and digital signal processing integrated circuits (including power management and related components).

Application

- Hot-swap protection and inrush current limiting for high-side switches
- Front-end protection for backplanes, servers, storage, telecom and datacom gear
- Input protection for DC-DC converters and power rails
- Surge/transient protection in power distribution units and industrial equipment
- Short-circuit protection and fault isolation on PCI/PCIe boards and rack systems

Equivalent

Equivalent products (hot-swap controllers for similar rails and protection):
- Texas Instruments: TPS237x/TPS238x families (60V hot-swap controllers with current limit and soft-start)
- Analog Devices: ADM1166/ADM1266 (high‑voltage hot-swap controllers with current limit)
- Maxim Integrated: MAX14970/MAX14922 (hot-swap/ORing controllers for 12–60V rails)
Note: pinouts and exact specs vary; check datasheets and use a cross‑reference tool for a 1:1 swap.

Expédition

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Référence des frais d'expédition (DHL/FedEx):

DHL: Les frais d'expédition vont de 25 à 45 $ (0,5 kg), avec un délai de livraison estimé de 2 à 5 jours ouvrables.

FedEx: Les frais d'expédition varient de 25 à 40 $ (0,5 kg), avec un délai de livraison estimé de 3 à 7 jours ouvrables.

UPS: Les frais d'expédition vont de 25 à 45 $ (0,5 kg), avec un délai de livraison estimé de 3 à 7 jours ouvrables.

TNT: Les frais d'expédition varient de 25 à 65 $ (0,5 kg), avec un délai de livraison estimé de 3 à 7 jours ouvrables.

EMS: Les frais d'expédition varient de 30 à 50 $ (0,5 kg), avec un délai de livraison estimé de 7 à 15 jours ouvrables.

Courrier aérien enregistré: Le coût d'expédition est de 2 à 4 $ (0,1 kg), avec un délai de livraison estimé de 5 à 20 jours ouvrables.

Paiements

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