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User's Guide
SLUU465–November 2010
An 8-V to 14-V Vin 2010 Atom™ E6xx
Tunnel Creek Power System
The TPS59610EVM-634 evaluation module (EVM) is a complete solution for the 2010 Atom™ E6xx
Tunnel Creek Power System from a 12-V input bus. The EVM uses the TPS59610 for Atom CPU and
GPU core, TPS51120 for 5-V and 3.3-V systems, TPS54326 for Topcliff IOH, TPS59124 for DDRII 1.8 V
and CPU VTT 1.05 V, TPS51100 for 0.9 V VTT, TPS74801 for CPU 1.5-V PLL, and CPU C6 RAM 1.05 V.
TPS59610EVM-634 also uses the 3-mm x 3-mm Texas Instruments (TI) power block MOSFET
(CSD86330Q3D) for high-power density and superior thermal performance.
Contents
1 Description ................................................................................................................... 4
1.1 Typical Applications ................................................................................................ 4
1.2 Features ............................................................................................................. 4
2 Atom Tunnel Creek Power System Block Diagram .................................................................... 4
3 Electrical Performance Specifications .................................................................................... 5
4 Schematics ................................................................................................................... 7
5 Test Setup .................................................................................................................. 12
5.1 Test Equipment ................................................................................................... 12
5.2 Recommended Test Setup ...................................................................................... 12
6 Configuration ............................................................................................................... 13
6.1 CPU and GPU Configuration ................................................................................... 13
6.2 5-V/3.3-V System Configuration ................................................................................ 15
6.3 DDR 1.8-V/1.05-V CPU VTT Configuration ................................................................... 15
6.4 0.9-V VTT and 0.9-V VTTREF Configuration ................................................................. 16
6.5 1.5-V CPU PLL Configuration ................................................................................... 16
6.6 1.05-V CPU C6 RAM Configuration ............................................................................ 16
6.7 1.2-V IOH Configuration ......................................................................................... 17
7 Test Procedure ............................................................................................................ 17
7.1 Line/Load Regulation and Efficiency Measurement Procedure ............................................ 17
7.2 Onboard Transient Response Measurement ................................................................. 17
7.3 Loop Gain/Phase Measurement ................................................................................ 18
7.4 Equipment Shutdown ............................................................................................ 18
8 Performance Data and Typical Characteristic Curves ................................................................ 19
8.1 CPU ................................................................................................................ 19
8.2 GPU ................................................................................................................ 23
8.3 5-V/3.3-V System ................................................................................................. 26
8.4 1.8-V DDR/1.05-V CPU VTT .................................................................................... 30
8.5 1.2-V IOH .......................................................................................................... 33
9 EVM Assembly Drawings and PCB Layout ............................................................................ 35
10 Bill of Materials ............................................................................................................. 37
List of Figures
1 8-V to 14-V Vin 2010 Atom Tunnel Creek Power System Block Diagram .......................................... 4
2 TPS59610EVM-634 Schematic, Sheet 1 of 5........................................................................... 7
3 TPS59610EVM-634 Schematic, Sheet 2 of 5........................................................................... 8
OSR is a trademark of Texas Instruments.
Atom is a trademark of Intel Corporation.
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SLUU465–November 2010 An 8-V to 14-V Vin 2010 Atom™ E6xx— Tunnel Creek Power System
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