Datasheet

Computer
+ 6 VDC
Wall Supply
BUF22821
Analog Supply
BUF22821EVM-USB
Test Board
Measurement
Device
Outputs
USB DIG Platform
BUF22821EVM-USB Hardware Setup www.ti.com
1.2 Related Documentation from Texas Instruments
The following documents provide information regarding Texas Instruments' integrated circuits used in the
assembly of the BUF22821EVM-USB. This user's guide is available from the TI web site under literature
number SBOU116. Any letter appended to the literature number corresponds to the document revision
that is current at the time of the writing of this document. Newer revisions may be available from the TI
web site, or call the Texas Instruments' Literature Response Center at [phone] or the Product
Information Center at [phone]. When ordering, identify the document by both title and literature
number.
Table 2. Related Documentation
Document Literature Number
BUF22821 Product Data Sheet SBOS399
USB_DIG_Platform User Guide SBOU058
2 BUF22821EVM-USB Hardware Setup
This section discusses the overall system setup for the BUF22821EVM-USB. The PC runs software that
communicates with the USB_DIG_Platform. The USB_DIG_Platform generates the analog and digital
signals used to communicate with the BUF22821 test board. Connectors on the BUF22821 test board
allow the user to connect to the system under various test conditions and monitor the power, current, and
voltage. A block diagram of the overall hardware setup is shown in Figure 2.
Figure 2. BUF22821EVM-USB Hardware Setup
4
BUF22821EVM-USB Evaluation Board and Software Tutorial SBOU117–September 2011
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