Thin shrink small outline package

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Drawing of a 16 pins TSSOP package
Philips TDA6651TT in TSSOP package

The Thin Shrink Small Outline Package (TSSOP) is a rectangular surface mount plastic integrated circuit (IC) package with gull-wing leads.

Application[edit]

They are suited for applications requiring 1 mm or less mounted height and are commonly used in analog and operation amplifiers, controllers and Drivers, Logic, Memory, and RF/Wireless, Disk drives, video/audio and consumer electronics.[1]

Physical properties[edit]

The Thin shrink small ouline package has a smaller body and smaller lead pitch than the standard SOIC package. It is also smaller and thinner than a TSOP with the same lead count. Body widths are 3.0mm, 4.4mm and 6.1mm. The lead counts range from 8 to 80 pins. The lead pitches are 0,5 or 0,65mm.

Exposed Pad[edit]

Some TSSOP packages have an exposed pad. This is a rectangular metal pad on the bottom side of the package. The exposed pad will be soldered on the pcb to transfer heat from the package to the pcb. In most applications, the exposed pad is connected to ground.[2]

HTSSOP[edit]

The Heat sink thin shrink small outline package[3] (HTSSOP) is Texas Instruments name for a TSSOP with an exposed pad on the bottom side.[4] There are some other manufacturers who uses the same name.

See also[edit]

Similar package types[edit]

References[edit]

  1. ^ "TSSOP in STATS ChipPAC datasheet". Retrieved 14 December 2020.
  2. ^ "Exposed pads: a brief introduction". www.maximintegrated.com. Retrieved 8 January 2021.
  3. ^ "Plastic Packages for Integrated Circuits (HTSSOP)". www.renesas.com. Retrieved 8 January 2021.
  4. ^ "TSSOP on mbedded ninja". mbedded ninja. Retrieved 14 December 2020.

External links[edit]