Description
The ZL2005P is an innovative mixed-signal
power management and conversion IC that
combines a compact, efficient, synchronous buck
controller, adaptive drivers and key power and
thermal management functions in a single
package. The ZL2005PEV4 platform allows
evaluation of the features in the highly-
configurable ZL2005P via the SMBus interface
using
PMBus™
commands.
command set is accessed by using Zilker Labs
evaluation software from a PC running Microsoft
Windows.
This evaluation board is meant to enable rapid
evaluation of the functionality of the ZL2005P in
a 10 Amp configuration. It has been optimized for
ease of evaluation across a wide range of input
and
output conditions.
platform is provided as a reference design.
POWER IN
SMBus
The
PMBus
This
ZL2005PEV4
EN
ZL2005P
Address
select
Figure 1. Block Diagram
Features
•
PMBus control via SMBus
•
Pin-strap selection for stand-alone operation
•
V
settable from +0.8V to +3.3V
OUT
•
R
sensing
DS(ON)
•
Convenient power connection
•
Onboard enable switch
•
Power good indicator
•
External temperature sensor
Target Specifications
This board has been designed for the following
conditions:
•
V
= 12V (Board range 4.5V to 13.2V)
IN
•
V
= 1.2V (Board range is 0.8V to 3.3V)
OUT
•
I
= 0A - 10A
OUT
•
F
= 600kHz
SW
•
Output ripple: < 1%
•
Dynamic response 3% (7.5A - 10A step load) @ 2.5V
•
Temperature: 25°C
POWER OUT
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