8V19N850 Hardware Design
This document contains general board-level hardware design information for the 8V19N850. It provides
recommendations for power rail handling, loop filter calculation, and input/output termination.
Contents
1.
Power Rails .................................................................................................................................2
1.1
Bypass Capacitors ................................................................................................................2
1.2
Power Supply Isolation ..........................................................................................................3
1.3
Loop Filter ...........................................................................................................................3
1.4
2
Order Loop Filter .............................................................................................................3
1.5
2.
Input/Output Interface ..................................................................................................................6
2.1
2.2
2.3
2.4
2.4.1.
2.4.2.
3.
Schematic Example ................................................................................................................... 15
4.
Revision History ........................................................................................................................ 15
The simplified block diagram of 8V19N850 is shown in Figure 1. For a more detailed block diagram and in-depth
descriptions about the device, see the 8V19N850 Datasheet.
A general reference schematic example is shown in Figure 2. A larger version can also be provided in a
separate document. In this schematic, the input and output interfaces are shown for illustration purposes. For
more examples, see the Input/Output Interface section. The input topology depends on the driver type, and the
output driver termination depends on the receiver specification and structure.
X0120307 Rev.1.0
Mar 25, 2021
Figure 1. Sim plified Block Diagram
Guide
Page 1
© 2021 Renesas Electronics
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