LM10000 Datasheet, PDF (1/12 Pages) National Semiconductor (TI) – Evaluation Board for LM10000 - PowerWise® AVS System Controller

Evaluation Board for
LM10000 - PowerWise® AVS
System Controller
National Semiconductor
Application Note 2054
Mark Hartman
June 17, 2010
LM10000 Overview
The LM10000 is used to enable Adaptive Voltage Scaling
(AVS) to non-AVS regulators. It includes a complete Slave
Power Controller (SPC 2.0) to communicate to the Power-
Wise Interface® (PWI 2.0), and a programmable current out-
put DAC that allows voltage control to any regulator utilizing
a feedback node/resistors to set the output voltage.
In addition to enabling AVS the LM10000 allows the system
to control power states such as sleep and shutdown and to
configure the voltage step slew rate from the PWI.
Evaluation Board Overview
The LM10000 evaluation board provides all the circuitry need-
ed to conveniently demonstrate PowerWise® AVS on non-
AVS regulators.
It is configured to operate with the following conditions:
Parameter
VDD
VAVS*
Default
Voltage
3.0 - 5.5
Programming Current
Range
(mA)
0.6 - 1.2V
7-bit
* VAVS range assumes the slave regulator has a 0.6V feedback voltage,
and 10 kΩ feedback resistors.
FIGURE 1. LM10000 Evaluation Board
30122904
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