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MAX5944ESE+T The MAX5944ESE+T is a dual-channel ORing switch controller from Analog Devices Inc. designed for FireWire applications. It operates over a wide input voltage range and features active current limiting.
Mfr Part #:

MAX5944ESE+T

Available from 1 distributors
Mfr Name: Analog Devices / Maxim Integrated
Analog Devices / Maxim Integrated
The MAX5944ESE+T is a dual-channel ORing switch controller from Analog Devices Inc. designed for FireWire applications. It operates over a wide input voltage range and features active current limiting.
✓ Total Stock: 2,500 pcs
$ Price Range: $0.95

MAX5944ESE+T Available from 1 distributor

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Components Technology Group, Inc. ✓
Non-Authorised Inventory information
2,500 pcs
On Request
2500 pcs On Request 1 On Request On Request On Request On Request On Request
DistyParts aggregates offers from multiple distributors. Final prices, lead times and terms are subject to the distributors' discretion and may change without prior notice. DistyParts is not liable for any discrepancies.

MAX5944ESE+T Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Applications
Current
Delay Time
FET Type
Internal Switch(s)
Mounting Type
Operating Temperature
Ratio
Supplier Device Package
Supplier Package
Type
Voltage
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MAX5944ESE+T Description

Short technical summary and product information.

The MAX5944ESE+T is a dual-channel ORing switch controller from Analog Devices Inc., specifically designed for FireWire applications. This power management IC facilitates low-voltage-drop power-supply ORing and provides current limiting functions.

 

It supports an input voltage range of 7.5V to 37V, making it suitable for various power supply configurations. The device features an active current limit with a 2ms timeout and an autoretry function with a 259ms delay. Each channel offers independent ON/OFF control and a shutdown current of less than 10μA per channel.

 

The MAX5944ESE+T is available in a 16-pin SOIC package and operates within an extended temperature range of -40°C to +125°C. Its design allows for safe insertion and removal of FireWire peripherals into live ports by managing inrush current and providing output current limiting.

 

Key applications include FireWire desktop/notebook ports, peripheral device current limiting, and FireWire hubs, as well as hot-swap functionalities. The controller drives external N-channel power MOSFETs and provides independent overcurrent fault status outputs.

MAX5944ESE+T Quick Information

Product Type: OR Controller
Canonical Name: MAX5944 Dual FireWire Current Limiter and Low-Drop ORing Switch Controller
Subcategory: Ideal Diodes

MAX5944ESE+T Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected

MAX5944ESE+T Estimated Pricing

Qty Low High
1+ $0.95 $0.95

Estimated market price range - modelled values for guidance only, not live distributor offers.

MAX5944ESE+T Features

  • Dual-channel ORing switch controller.
  • Supports 7.5V to 37V input voltage.
  • Active current limit with 2ms timeout.
  • 259ms autoretry delay period.
  • Operates from -40°C to +125°C.

MAX5944ESE+T Applications

  • Ideal for FireWire ports.
  • Provides peripheral device current limit.
  • Suitable for FireWire hubs.
  • Enables hot-swap functionality.

MAX5944ESE+T FAQs

7 frequently asked questions generated from this part’s specifications.
What is the input voltage range for the MAX5944ESE+T?

The input voltage range is 7.5V to 37V.

What is the operating temperature range for this ORing controller?

The operating temperature range is -40°C to +125°C.

What is the current limit timeout duration?

The current limit timeout duration is 2 ms.

What is the autoretry period after a current limit event?

The autoretry period is 259 ms.

What is the shutdown current per channel?

The shutdown current is 10μA per channel.

What is the current-limit sensing accuracy?

The current-limit sensing accuracy is ±5%.

What package type is the MAX5944ESE+T supplied in?

It is supplied in a 16-SOIC package.

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