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SGM2551A

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Precision Adjustable Current Limited Power Distribution Switches

fileSGM2551A_SGM2551C.pdf
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The SGM2551A and SGM2551C are single channel power distribution switches. The switch operates from a wide range of 2.5V to 5.5V supply voltage, and is controlled by the EN pin.

 

A 90mΩ low RON N-MOSFET is integrated. It is capable of supplying up to 1.5A continuous current. The small size and quiescent current make the device very suitable for space limited, battery-powered applications.

 

A number of protection features are provided in the device including soft-start, adjustable current limit and thermal shutdown. This device provides a programmable current limit threshold between 100mA and 1.7A through the RILIM. The internal reverse-voltage function will protect devices on the input side of the switch. The SGM2551C has quick output discharge function in disable status.

 

SGM2551A and SGM2551C are available in the Green TDFN-2×2-6L and SOT-23-5 packages. They are rated over the -40℃ to +85℃ temperature range.

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FEATURES
  • Input Voltage Range: 2.5V to 5.5V
  • On-Resistance: 90mΩ (TYP)
  • Continuous Current: 1.5A (MAX)
  • Programmable Current Limit: 100mA to 1.7A
  • Fast Over-Current Response: 2μs
  • Protection Features
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      •  
        • No Reverse Leakage Current of High-side MOSFET
        • Reverse Voltage Protection
        • Soft-Start
  • Quick Output Discharge: SGM2551C
  • UL Recognized Component (UL File E481541)
  • Evaluated to IEC 60950-1, Ed 2, Am1, Annex CC, Test Program 1 with CB Report
  • Available in the Green TDFN-2×2-6L and SOT-23-5 Packages
APPLICATIONS

Hot-Plug Power Supply

Motherboard USB Power Switch

Accessories

Portable Medical Equipment

Can replace the following products

SGM2551C
Not Recommended for New Designs

Precision Adjustable Current Limited Power Distribution Switches

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SG Micro Corp (SGMICRO) specializes in the development, manufacturing and sales of high-performance and high-reliability integrated circuits for analog signal conditioning and system power management, offering innovative solutions to a broad range of applications in the industrial, automotive, communication, computing, consumer electronics, and medical equipment markets.
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Ordering Information
Part Number
StatusPackagePinsPd-Free
RoHS
REACH
Green
MSL RatingOperating Temperature RangeMaterial ContentReliability Report
Unit Resale Price*
(Volume Range: in USD)
Lead Time**
(Volume Range: Days)
SGM2551AYN5G/TR
Active
SOT-23-5
5
Yes
YesYesYesMSL3
-40℃ to +85℃
View
View
1-24 units : $0.525/unit
25-99 units : $0.45/unit
100-249 units : $0.375/unit
250-499 units : $0.3/unit
500-999 units : $0.2625/unit
1000-9999 units : $0.195/unit
3K-9K : 14 days
10K-99K : 28 days
100K-999K : 70 days
1000K and above : 91 days
SGM2551AYTDI6G/TR
Active
TDFN-2×2-6L
6
Yes
YesYesYesMSL1
-40℃ to +85℃
View
View
1-24 units : $0.525/unit
25-99 units : $0.45/unit
100-249 units : $0.375/unit
250-499 units : $0.3/unit
500-999 units : $0.2625/unit
1000-9999 units : $0.195/unit
3K-9K : 14 days
10K-99K : 28 days
100K-999K : 70 days
1000K and above : 91 days

* The unit resale price is for reference purposes only. Please contact our distributors for a formal quotation.

** The lead time provided is for reference purposes only and is subject to change based on different circumstances.