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Bittele's Capabilities for DSBGA and other Complex Components

Bittele offers assembly for a variety of different leadless parts. The chart below outlines some of these parts and our current assembly capabilities. Bittele Electronics is always working to grow our capabilities; if there is a package you do not see below please feel free to contact us.

Our leadless parts assembly capabilities:

Supported capabilities:
Leadless parts: BGA (Ball Grid Array) Pitch >= 0.4mm
µBGA (Micro Ball Grid Array)
CABGA (Chip Array Ball Grid Array)
CTBGA (Thin Chip Array Ball Grid Array)
CVBGA (Very Thin Chip Array Ball Grid Array)
LGA (Land Grid Array)
VFBGA (Very Fine Pitch Ball Grid Array)
CSP (Chip scale Package)
WLCSP (Wafer level chip scale packaging)
DSBGA (Die-Size Ball Grid Array) *Under development
Flip Chip
Passive footprints: 0201, 0402, 0603, etc. Size >= 0201
01005 *Under development


To ensure that the highest level of quality can be maintained for your leadless assembly, Bittele Electronics includes X-Ray inspection for components such as BGA, µBGA, LGA, and CSP. Other testing services such as AOI (Automated Optical Inspection) and Functional testing are also available.

To make efficient use of BGA signal routing in your PBC design, there are two primary methods for routing the traces away from the BGA pad.

1) First is a method known as “Dog Bone fan-out”. This method utilizes short traces to connect the BGA pads to a nearby Via, or, out from underneath the component.

dog bone fan-out

Dog Bone fan-out

2) For small pitch parts (such as uBGA), there may not be room between the BGA pads to incorporate the previous method in your design. In this case, the second method is known as “Via in Pad fan-out”. This method places the via directly on the pads of the BGA components. Typically, these vias will be filled with a non-conductive epoxy and then plated over with copper. This method does come with some additional cost and leadtime, as the via will need to be filled, however it does help to reduce board size by reducing the complexity of the traces that will need to be routed for the BGA component.

via in pad fan-out

Via in Pad fan-out

Another option to consider for your project is utilizing a socket for leadless parts. This option is useful for prototyping, as it allows you to remove and replace the IC for programming / testing while your design is finalized. These sockets are available in both surface mount and through hole designs.

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