LTC4234IWHH

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LTC4234IWHH

IC HOT SWAP CTRLR GP 38QFN

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Spécifications

Package Tube
ProductStatus Obsolete
Type Hot Swap Controller
NumberofChannels 1
InternalSwitch(s) Yes
Applications General Purpose
Features Auto Retry
ProgrammableFeatures Current Limit, Fault Timeout, OVP, Turn On Voltage
Voltage-Supply 2.9V ~ 15V
Current-Output(Max) 20A
OperatingTemperature -40°C ~ 85°C
Current-Supply 1.6 mA
MountingType Surface Mount
Package/Case 38-VFQFN Exposed Pad

Vue d'ensemble

Description

The LTC4234IWHH is a Hot Swap controller designed by Analog Devices for high-power applications. It allows for the safe insertion and removal of circuit boards in a live backplane by controlling the inrush current and providing protection against overcurrent and overvoltage conditions. The device operates over a wide input voltage range and includes features such as programmable current limit, undervoltage lockout, and power good signaling. The LTC4234IWHH is typically used in server, telecommunications, and industrial power systems where reliable power management is critical. Its compact design and robust feature set make it suitable for various high-power applications, ensuring minimal disruption and enhanced safety during hot swapping events.

Features

The LTC4234IWHH is a Hot Swap controller designed to safely insert and remove circuit boards from live backplanes. It provides a number of features to ensure safe operation and reliability:
1. High Voltage Operation: It operates over a wide voltage range, typically suitable for backplanes with voltages up to 20V.
2. Inrush Current Control: The device controls the inrush current to prevent damage to the system components and connectors during hot swapping.
3. Protection Features: The LTC4234 includes overcurrent protection, under-voltage lockout, and fault reporting to ensure robust system performance.
4. Current Limit Adjustment: It allows for programmable current limits to match specific application needs.
5. Power Good Output: This feature indicates when the output power is stable and within the desired range.
6. Fault Timer: The device includes a timer to manage fault conditions and determine when to disconnect the load.
7. Temperature Monitoring: It offers thermal shutdown protection to guard against overheating.
8. Compact Package: The LTC4234 is available in a compact package, making it suitable for space-constrained applications.
Overall, the LTC4234IWHH enhances the reliability and safety of hot-swappable systems in various industrial and telecommunications applications.

Package

The LTC4234IWHH is housed in a 38-lead, 5mm x 9mm Plastic QFN package. This type of packaging is designed for compact, high-performance electronic components, offering efficient thermal management and electrical performance.

Pinout

The LTC4234IWHH is a Hot Swap controller IC designed for 2.9V to 15V systems, allowing for safe insertion and removal of circuit boards from a live backplane. It comes in a 32-lead (or pin) 5mm x 5mm QFN (Quad Flat No-leads) package. The key functions of the LTC4234 include inrush current control, overcurrent protection, and fault detection, ensuring the safe operation of electronic systems during power transitions. The LTC4234 monitors supply voltages, manages power-up sequencing, and provides feedback to the system via a status output. It is typically used in applications where power management and circuit protection in high-reliability systems are crucial, such as telecommunications or server environments.

Manufacturer

The LTC4234IWHH is manufactured by Analog Devices, Inc. Analog Devices is a semiconductor company specializing in data conversion and signal processing technology. They design and produce a broad range of integrated circuits, software, and subsystems for applications in analog, mixed-signal, and digital signal processing. Their products are utilized in various industries, including communications, automotive, healthcare, industrial, and consumer electronics.

Application

The LTC4234IWHH is utilized in the fields of telecommunications, data centers, and industrial systems. It is designed for hot swap applications, allowing boards to be safely inserted and removed from live backplanes. The component provides overcurrent protection, fault reporting, and ensures controlled power-up, which are critical in systems requiring high reliability and uptime. Additionally, it is suitable for use in server farms, network routers, and storage systems where power management and protection are essential.

Equivalent

The LTC4234IWHH is a Hot Swap controller by Analog Devices. Equivalent products can include similar Hot Swap controllers from other manufacturers, such as:
1. Texas Instruments TPS24740
2. Maxim Integrated MAX5974
3. Microchip Technology ADM1278
These alternatives offer comparable features for managing inrush current and protecting against overcurrent conditions. Always check the specific datasheets to ensure compatibility with your application.

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

Payment Methods

Le terme de paiement est 100% prépayé.

Actuellement, nous n'acceptons que les méthodes de paiement ci-dessous:

1. PayPal

2. Carte de crédit/débit

3. Transfert bancaire