LM10000 Datasheet, PDF (1/22 Pages) National Semiconductor (TI) – Evaluation Board for LM10000 - PowerWise® AVS System Controller

LM10000
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SNVS643C – JUNE 2010 – REVISED APRIL 2013
AVS System Controller
Check for Samples: LM10000
FEATURES
1
•23 Flexible Enable Inputs to Allow Independent
Enable Control of External Controller and
LM10000
• Fault Input Restores Output Voltage Setting to
Default Value
• CNTL_EN Output That Enables/Disables
External Controller
• 7-Bit Current DAC That Can Directly Connect
to the Feedback Node of an External Controller
and Provide Smooth Voltage Control
• Programmable Slew Rate Control
APPLICATIONS
• AVS-Enabled ASICs and FPGAs
KEY SPECIFICATIONS
• PWI 2.0 Interface
• AVS Control for One Output
• Precision Enable
DESCRIPTION
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 PowerWise™ Interface (PWI
2.0), and a programmable current output 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.
TYPICAL APPLICATION CIRCUIT
Slave Regulator
Controller or Switcher
Single or Multi-Phase
External
Controller
VIN
PWRGD
Enable
HG
LG
PGN
D
FB
ASIC/FPGA
VIN
VOUT
0.6V - 1.2V, 20A
VOUT
RTN
CORE
HPM
V I/O
3V ± 5.5V
LM10000
CNTL_EN
IAVS _{0 PA ± 60 PA, 7 bit}
FLT_N
SPWI
EN_BIAS
SCLK
CONTROL
VPWI
VDD
ADDR
RESET_N
AGND
AGND
AVS
2
APC 2
1
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Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
PowerWise is a trademark of Texas Instruments.
2
All other trademarks are the property of their respective owners.
3
PRODUCTION DATA information is current as of publication date.
Products conform to specifications per the terms of the Texas
Instruments standard warranty. Production processing does not
necessarily include testing of all parameters.
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