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ZY8160 60A DC-DC Intelligent POL
8V to 14V Input ? 0.5V to 2.75V Output
Data Sheet
6.
Typical Application
Figure 16. Block Diagram of Typical Multiple Output Application with Digital Power Manager and I C Interface
2
The schematic of a typical application of ZY8160 point-of-load converters (POL) is shown in Figure 16. The
system includes a ZM7300 series Digital Power Manager (DPM), a ZY8160 POL, and may include additional
ZY8160 POLs and other Z-One ? series POLs. All POLs are connected to the DPM and to each other via a single-
wire SD (sync/data) line. The line provides synchronization of all POLs to the master clock generated by the DPM
and simultaneously performs data transfer between POLs and the DPM. Each POL has a unique 5-bit address
programmed by grounding respective address pins. To enable the current share, CS pins of POLs connected in
parallel are interconnected.
In addition to the SD line, OK pins of the POLs are connected to the respective OK pins of the DPM. A number of
POLs connected to the same OK pin of the DPM forms a group. Grouping of POLs enables users to program,
control, and monitor multiple POLs simultaneously and execute advanced fault management schemes.
The type, value, and the number of output capacitors shown in the schematic are required to meet the
specifications published in the data sheet. However, ZY8160 POLs are fully operational with different parameters
of output capacitors. The feedback loop compensation may need to be adjusted to optimize performance of the
POLs for specific parameters of the output capacitors.
ZD-01674 Rev. 1.2, 02-Jul-10
www.power-one.com
Page 12 of 30
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