Texas Instruments TPS61050EVM-215 User Manual Download Page 13 | Manualshive

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Board Layout

Figure 11. Layer 2

Figure 12. Layer 3

SLVU202B – May 2007 – Revised November 2007

TPS61050EVM-215 and TPS61052EVM-215

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Summary of Contents for TPS61050EVM-215

Page 1: ...esults 7 5 Board Layout 11 6 Schematics and Bill of Materials 14 List of Figures 1 TPS6105x Software Main Panel 6 2 LED Efficiency vs Input Voltage Torch Mode 7 3 LED Efficiency vs Input voltage Singl...

Page 2: ...dapter connects to the EVM with the supplied ribbon cable When a command is written to the EVM the interface program running on the PC sends the commands to the PC USB port The USB interface adapter r...

Page 3: ...e FLASH pin and or apply an external signal to the FLASH pin This header connects to the IC s 12 C SCL and SDA control and data lines It can be used to monitor the data traffic between the USBTOGPIO a...

Page 4: ...ts to install the software If installing from the TI Web site go to the URL http focus ti com en download aap DesignEnv TPS6105xEVM SW publish htm Note This installation page is best viewed with Micro...

Page 5: ...0 pin ribbon cable The connectors on the ribbon cable are keyed to prevent incorrect installation Connect at least a 2 A rated input power supply set to provide between 2 5 V and 6 0 V output to J1 an...

Page 6: ...d installs the update The software then asks which version of the IC is on the board and the desired current limit Check the approriate box for the IC then select the desired current limit and finally...

Page 7: ...first flash event following the IC s power on Writing to bits 5 and 6 of register 2 sets the ILIM bits which is the IC s current limit This current limit value cannot be read back because performing...

Page 8: ...oltage V I LED Efficiency PLED PIN ILED 300 mA ILED 700 mA Test Results Figure 3 LED Efficiency vs Input voltage Single Pulse Flash Mode Figure 4 Torch Flash Sequence 8 TPS61050EVM 215 and TPS61052EVM...

Page 9: ...www ti com Test Results Figure 5 Start Up in Torch SLVU202B May 2007 Revised November 2007 TPS61050EVM 215 and TPS61052EVM 215 9 Submit Documentation Feedback...

Page 10: ...100 1000 I Output Current mA O Efficiency V 3 6 V V 5 V I O Test Results Figure 6 Inrush Current at Flash Figure 7 Voltage Mode Efficiency 10 TPS61050EVM 215 and TPS61052EVM 215 SLVU202B May 2007 Rev...

Page 11: ...2 show the board layout for the TPS61050 2EVM 215 PCB The nodes with high switching frequencies and currents are kept as short as possible to minimize trace inductance Careful attention has been given...

Page 12: ...www ti com Board Layout Figure 9 Assembly Layer Figure 10 Top Layer 12 TPS61050EVM 215 and TPS61052EVM 215 SLVU202B May 2007 Revised November 2007 Submit Documentation Feedback...

Page 13: ...www ti com Board Layout Figure 11 Layer 2 Figure 12 Layer 3 SLVU202B May 2007 Revised November 2007 TPS61050EVM 215 and TPS61052EVM 215 13 Submit Documentation Feedback...

Page 14: ...ls Schematics and Bill of Materials Figure 13 Bottom Layer This section provides the TPS61050 2EVM 215 schematic and bill of materials 14 TPS61050EVM 215 and TPS61052EVM 215 SLVU202B May 2007 Revised...

Page 15: ...ti com 6 1 Schematics Schematics and Bill of Materials Figure 14 TPS61050 2EVM 215 Schematic SLVU202B May 2007 Revised November 2007 TPS61050EVM 215 and TPS61052EVM 215 15 Submit Documentation Feedba...

Page 16: ...g 36 pin strip 0 100 2 PTC36SAAN Sullins 1 1 JP2 Header 3 pin 100mil spacing 36 pin strip 0 100 3 PTC36SAAN Sullins 1 0 JP4 Header 3 pin 100mil spacing 36 pin strip 0 100 3 PTC36SAAN Sullins 1 1 L1 2...

Page 17: ...duct This notice contains important safety information about temperatures and voltages For additional information on TI s environmental and or safety programs please contact the TI application enginee...

Page 18: ...ce and is an unfair and deceptive business practice TI is not responsible or liable for any such statements TI products are not authorized for use in safety critical applications such as life support...

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