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Introducing the SPA® series of high speed, multi-channel, data line protection devices from Littelfuse, samples available from Anglia

Littlefuse SPA® series

 

Littelfuse offer a comprehensive range of circuit protection devices not only for primary and secondary protection of power supplies but also for the sensitive I/O’s found on many modern devices including USB 3.0 and HDMI ports which can be susceptible to damage from static discharge and lightening events but also from mistreatment by the end user. Today’s developer needs to take all of these possible scenarios into account during the design phase to ensure the end device is as robust as possible against these and any other unforeseen events.

Littelfuse have developed the SPA® SP30xx series of devices for protecting high speed I/O ports , these ultra-low capacitance TVS diode arrays can be used to provide effective protection for USB 3.0 and other high speed data lines.

FREE Samples   
Key Features & Benefits

  • Ultra-low capacitance
  • ESD protection to IEC61000-4-2 standard
  • EFT protection to IEC61000-4-4 standard
  • Lightning, protection to IEC61000-4-5 standard
  • Low leakage current
  • Peak Current (tp=8/20μs): 2.5A (SP3003), 3A (SP3011), 4A (SP3012)
  • Compact package options to minimise board space required.
  • Operating temperature range: -40°C to +125°C
Data

USB 3.0 devices are capable of transferring data at speeds more than 10 times faster than the USB 2.0 standard, however to provide backward compatibility for the USB 2.0 standard, USB 3.0 employs a dual-bus architecture which allows USB 2.0 (Full, Low or High Speed) and USB 3.0 (SuperSpeed) transfers to take place simultaneously, this is achieved by providing separate data lines for USB 2.0 (D+/D-) and USB 3.0 (SSTX+/SSTX-/SSRX+/SSRX-).

The circuit example below shows how the high speed USB 2.0 and superspeed USB 3.0 data lines can be protected using the Littelfuse SP3003 and SP3012 series of ultra-low capacitance TVS diode arrays.

Circuit Example SP3003 and SP3012

In the circuit example below both the high speed USB 2.0 and superspeed USB 3.0 data lines are protected using a single device, the SP3011 series from Littelfuse.

Circuit Example SP3011

SP3003

SP3003

The SP3003 series of TVS diode arrays integrate 2, 4 or 8 channels of ultra-low capacitance rail-to rail diodes with an additional zener diode fabricated in a proprietary silicon avalanche technology to protect each I/O pin providing a high level of protection for electronic equipment that may experience destructive electrostatic discharges (ESD). These robust diodes are able to safely absorb repetitive ESD strikes at the maximum level specified in the IEC 61000-4-2 international standard (Level 4, 8KV contact discharge) without performance degradation. Their very low loading capacitance also makes them ideal for protecting high speed signal pins such as HDMI, DVI, USB2.0/3.0, and IEEE 1394. The devices are available for 2, 4 and 8 channel applications and offered in 4 package options.

Features:

  • Low capacitance of 0.65pF (TYP) per I/O
  • ESD protection of ±8kV contact discharge (IEC61000-4-2)
  • Low leakage current of 0.5μA (MAX) at 5V
  • Small package saves board space (SC70, SOT563)

SP3011

SP3011

The SP3011 integrates six channels of ultra-low capacitance rail-to-rail diodes and an additional zener diode to provide protection for USB 3.0 ports that may experience destructive electrostatic discharges (ESD). This high density array can safely absorb repetitive ESD strikes at the maximum level specified in the IEC 61000-4-2 international standard (Level 4, ±8kV contact discharge) without performance degradation. It’s extremely low loading capacitance makes it ideal for protecting any high-speed signal pins.

Features:

  • ESD, IEC61000-4-2, ±8kV contact, ±15kV air
  • EFT, IEC61000-4-4, 40A (5/50ns)
  • Lightning, IEC61000-4-5, 3A (8/20μs)
  • Low capacitance of 0.4pF (TYP) per I/O
  • Low leakage current of 0.1 µA (TYP) at 5V
  • Small form factor µDFN package saves board space

SP3012

SP301s

The SP3012 integrates 3 or 6 channels of ultra-low capacitance rail-to-rail diodes and an additional zener diode to provide protection for electronic equipment that may experience destructive electrostatic discharges (ESD). These robust devices can safely absorb repetitive ESD strikes above the maximum level specified in the IEC61000-4-2 international standard (±8kV contact discharge) without performance degradation. Their extremely low loading capacitance also makes them ideal for protecting high-speed signal lines such as USB 3.0, HDMI, USB 2.0, and eSATA.

SP3012 Series devices are available in a choice of compact package options to give board designers superior layout flexibility, furthermore products within the SP3012 Series have been qualified to AEC-Q101 extending their use to demanding automotive applications.

Features:

  • ESD, IEC61000-4-2, ±12kV contact, ±25kV air
  • EFT, IEC61000-4-4, 40A (tP=5/50ns)
  • Lightning, IEC61000-4-5, 4A (tP=8/20μs)
  • Low capacitance of 0.5pF (TYP) per I/O
  • Low leakage current of 1.5μA (MAX) at 5V

The SP3003, SP3011 and SP3012 series all offer robust protection for a wide range of applications using high speed signal/data lines including Imaging equipment, Displays, Entertainment devices, Communication & Network equipment, Data Storage, Test equipment, Instrumentation, Industrial Devices and Medical equipment.

Anglia are offering customers FREE samples of the SPA® series of ultra-low capacitance TVS diode arrays from Littelfuse, please fill in the form below to register for evaluation kit and samples now.

To register for FREE samples of the SPA® series of ultra-low capacitance TVS diode arrays from Littelfuse, please fill in the form below

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FREE samples for UK and Ireland customers only, subject to availability.

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