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LTC4226IUD-2 Integrated Circuit Chip Wide Range Dual Hot Swap Controller Auto-Retry 16-Lead QFN

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LTC4226IUD-2 Integrated Circuit Chip Wide Range Dual Hot Swap Controller Auto-Retry 16-Lead QFN

LTC4226IUD-2 Integrated Circuit Chip Wide Range Dual Hot Swap Controller Auto-Retry 16-Lead QFN
LTC4226IUD-2 Integrated Circuit Chip Wide Range Dual Hot Swap Controller Auto-Retry 16-Lead QFN

Large Image :  LTC4226IUD-2 Integrated Circuit Chip Wide Range Dual Hot Swap Controller Auto-Retry 16-Lead QFN

Product Details:
Place of Origin: CN
Brand Name: Original Factory
Certification: Lead free / RoHS Compliant
Model Number: LTC4226IUD-2
Payment & Shipping Terms:
Minimum Order Quantity: 10
Price: Contact for Sample
Packaging Details: Standard package
Delivery Time: 3-5 work days
Payment Terms: T/T
Supply Ability: 10000 Pieces per Day
Contact Now

LTC4226IUD-2 Integrated Circuit Chip Wide Range Dual Hot Swap Controller Auto-Retry 16-Lead QFN

Description
Highlight:

LTC4226IUD-2 Integrated Circuit Chip Wide Range Dual Hot Swap Controller Auto-Retry 16-Lead QFN

,

LTC4226

LTC4226IUD-2 16-Lead QFN Integrated Circuit Chip Wide Range Dual Hot Swap Controller with Auto-Retry

The LTC4226IUD-2 is a dual Hot Swap controller that lets two power paths be inserted into and removed from a live backplane or a powered connector safely. Each channel drives an external N-channel pass MOSFET, and the supply voltage is ramped up at an adjustable rate so the inrush current stays under control.

The device operates from 4.5 V to 44 V, which covers 5 V, 12 V and 24 V backplanes as well as telecom and industrial rails. On-chip undervoltage lockout holds the channels off until the supply passes its rising threshold, with 200 mV of hysteresis to ignore rail noise.

Three selectable ratios of current limit to circuit breaker threshold, set by the three-state CLS pin, accommodate noisy loads and momentary high peak currents without interruption. The circuit breaker threshold is 50 mV typical, and a dual-rate fault timer protects the MOSFET during extended output overcurrent events.

FAULT outputs report the circuit breaker status of each channel. This LTC4226-2 version retries automatically after a 0.5 s delay following an overcurrent fault, while the LTC4226-1 version latches off and stays off until it is reset. Two channels can also be combined as parallel power paths for higher current, or configured as a bidirectional current limiter and circuit breaker.

The LTC4226IUD-2 is the industrial grade part in the 16-Lead QFN (3mm x 3mm) package, specified from -40 to 85 degrees C. It is RoHS compliant and lead free, and every order ships with full traceability. Samples and volume pricing are available on request.

Key Features
  • Two independent Hot Swap channels
  • Safe board insertion into a live backplane
  • Wide 4.5 V to 44 V operating range
  • Selectable current limit ratio of 1.5x, 2x or 3x
  • Dual-rate fault timer
  • Fast response limits peak fault current
  • Automatic retry after overcurrent fault
  • High-side drive for external N-channel MOSFET
  • FAULT outputs report circuit breaker status
  • Parallel power paths for high current applications
  • Bidirectional current limiter and circuit breaker
  • 16-Lead QFN (3mm x 3mm) package
  • RoHS compliant, lead free
Specifications
SeriesLTC4226
Part NumberLTC4226IUD-2
FunctionDual Hot Swap controller
Input Supply Range4.5 V to 44 V
Absolute Maximum VCC55 V
Input Supply Current0.7 mA typ, 2 mA max at VCC = 12 V
Undervoltage Lockout3 V to 4.5 V rising, 200 mV hysteresis
Circuit Breaker Threshold50 mV typ (45 mV to 55 mV)
Current Limit VoltageCLS low 70/86/103 mV; CLS open 93/115/136 mV; CLS high 139/173/205 mV
Current Limit to CB RatioApproximately 1.5x, 2x or 3x of 1.15 x VCB, set by CLS
Fault TimerDual-rate timer, adjustable with external capacitor
Fault ResponseAutomatic retry after a 0.5 s delay
Fault OutputFAULT pin per channel, reports circuit breaker status
Gate Drive10 V to 16 V above OUT, high-side drive
Pass DeviceExternal N-channel MOSFET
ChannelsDual, may be paralleled for higher current
Operating Temperature-40 to 85 degrees C
Package / Case16-Lead QFN (3mm x 3mm)
RoHSRoHS compliant, lead free
Typical Applications
  • Apple FireWire and IEEE 1394 ports
  • Disk drives
  • Rugged 12 V and 24 V applications
  • Hot board and connector insertion
  • Unidirectional current limiter and circuit breaker
  • Bidirectional current limiter and circuit breaker

Typical use is a 12 V or 24 V backplane card that must be plugged into a live slot without disturbing the bus.

MJD Advantage
  • 15+ years of electronic components experience
  • Secure ordering process
  • Excellent customer feedback
  • Confirmed delivery dates
  • Competitive pricing on volume orders
  • Global export experience with responsive after-sales support
Company Profile

Shenzhen Mingjiada Electronics Co., Ltd. is an independent distributor of electronic components from established manufacturers. Founded in Shenzhen in 1996, Mingjiada has established branches in Hong Kong, Japan, Russia, and Taiwan.

Certified under ISO9001:2014 for quality management systems and ISO14001:2014 for environmental management systems. With an experienced team in sales, R&D and management, we specialize in distributing products from more than 500 established suppliers.

Adhering to the principle of "maximizing benefits for customers," we offer comprehensive product ranges and provide high-quality, responsive service through professional logistics and customer service teams.

Quality Assurance
Quality checking and certification process for electronic components
Other Supply Product Types

Other product types we regularly stock and supply appear below.

Part NumberSeries
ADS8864IDRCRADS8864
ADS8865IDGSRADS8865
ADS8862IDRCRADS8862
ADS8863IDGSRADS8863
ADS8863IDRCRADS8863
ADS8866IDRCRADS8866
ADS8867IDRCRADS8867
ADS8867IDGSRADS8867
ADS8883IDGSRADS8883
ADS8883IDRCRADS8883
ADS8887IDRCRADS8887
ADS8887IDGSRADS8887
ADS8885IDGSRADS8885
ADS8885IDRCRADS8885
ADS7945SRTERADS7945
ADS7946SRTERADS7946
ADS8634SRGERADS8634
ADS4222IRGCRADS4222
ADS58C23IPFPRADS58
ADS62PF49IRGCRADS62
Frequently Asked Questions
Are your LTC4226IUD-2 products new stock?
Yes. Every part we ship is new stock sourced through established supply channels, with full traceability.
Which package does the LTC4226IUD-2 use?
It is supplied in the 16-Lead QFN (3mm x 3mm) package, the industrial grade version specified from -40 to 85 degrees C.
What supply voltage range does the LTC4226IUD-2 support?
It operates from 4.5 V to 44 V, with an absolute maximum VCC rating of 55 V.
How does the LTC4226IUD-2 limit inrush current?
Each channel drives an external N-channel MOSFET through a high-side gate drive, and the gate ramps at an adjustable rate so the supply rises in a controlled manner.
What happens after an overcurrent fault?
The LTC4226IUD-2 is the auto-retry version: after a fault the channel turns off and then retries automatically after a 0.5 s delay.
Can the two channels of the LTC4226IUD-2 be used together?
Yes. Two channels may be configured as parallel power paths for high current applications, and the device can also work as a bidirectional current limiter and circuit breaker.
How do you ship my order? Is it safe?
We use express carriers including DHL, FedEx, UPS, TNT, and EMS. We can also use your preferred forwarder. Products are carefully packaged to ensure safety, and we take responsibility for any damage to your order.

Tag:

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Contact Details
ShenZhen Mingjiada Electronics Co.,Ltd.

Contact Person: Sales Manager

Tel: 86-13410018555

Fax: 86-0755-83957753

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