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TPS65720EVM Schematic

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TPS65720EVM Schematic

For Reference Only, See

for specific values.

Figure 1. TPS65720EVM Schematic

4

TPS65720EVM

SLVU324 – March 2010

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Copyright © 2010, Texas Instruments Incorporated

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Содержание TPS65720EVM

Страница 1: ... 7 6 TPS65720EVM Assembly Drawings and Layout 13 7 Bill of Materials 16 List of Figures 1 TPS65720EVM Schematic 4 2 Hardware Board Connection 7 3 Starting the Software 8 4 Software Charger View 9 5 Software DCDC1 LDO1 View 10 6 GPIO View 11 7 INTERRUPTS VIEW 12 8 TPS65720EVM Component Placement Viewed From Top 13 9 TPS65720EVM Top Copper Viewed From Top 13 10 TPS65720EVM Bottom Copper X Ray View 1...

Страница 2: ...20 software runs on the PC and communicates with the EVM via the PC s USB port and the USB to GPIO interface PC Requirements Windows 2000 or XP operating system USB port Minimum of 30 MB of free hard disk space 100 MB recommended Minimum of 256 MB of RAM 1 1 3 Power Supply Requirements A DC power supply capable of delivering 5 V at 1 A is required to operate this EVM 1 2 1 2 Applications Bluetooth...

Страница 3: ...DC1 VIN Nom IOUT Nom 1 2 V VIN 2 3 V to 5 6 V PFM operation 1 3 0 mA to IOUT max Output Voltage Accuracy DCDC1 VIN 2 3 V to 5 6 V PWM operation 2 2 0 mA to IOUT max Load Regulation PWM operation 0 5 Output Current DCDC1 IOUT DCDC1 VIN Min to Max 200 mA Forward Current Limit High side ILIMF VIN 2 3 V to 5 6 V 425 600 775 mA and Low side MOSFET Dropout Voltage LDO1 VIN LDO 2 05 V IOUT 200 mA 180 mA ...

Страница 4: ...ww ti com 3 TPS65720EVM Schematic For Reference Only See Table 2 for specific values Figure 1 TPS65720EVM Schematic 4 TPS65720EVM SLVU324 March 2010 Submit Documentation Feedback Copyright 2010 Texas Instruments Incorporated ...

Страница 5: ...pply for the LDO1 on the EVM VINLDO1 is directly connected to SYS with R4 It also can be connected to VDCDC1 with R5 An external power supply can be connected between J6 pin1 VINLDO and pin2 GND Note that the resistors R4 and R5 must be removed when supplying the LDO1 from an external power supply 4 1 7 J7 VDCDC1 This header is the positive output of VDCDC1 step down converter The output voltage o...

Страница 6: ... JP2 JP2 connects the cathode of the LED D1 to GPIO3 If GPIO3 is configured as a current sink JP2 can be removed to measure the current through the LED with an ammeter 4 1 16 JP3 HOLD_DCDC1 Connect a shorting jumper between HOLD_DCDC1 and SYS to enable DCDC1 Note that if a power supply is connected to AC DCDC1 is enabled independent of the status of HOLD_DCDC1 If the IC is supplied from BAT DCDC1 ...

Страница 7: ...the Software Click on the TPS65720_1EVM icon to start the software If no icon appears on the host computer then use the start button in the lower left corner of the screen to browse the program folders to find the software The default directory for software installation is Program Files Texas Instruments TPS65720_1EVM Once the software is started a dialog box appears see Figure 3 and asks the user...

Страница 8: ...r settings and shows all the charger status Flags In the CHARGER Tab users can enable disable the charger and change charger parameters as regulated output voltage on the Power Path VSYS Charge Voltage Safety Timers etc In the Lower right corner of the window all charger related User Registers are displayed See the TPS65720 data sheet for detailed description on these registers 8 TPS65720EVM SLVU3...

Страница 9: ...tput voltage of LDO1 TPS65720 only and shows the Status Flags related to DCDC1 and LDO1 In the lower right corner of the window all DCDC1 LDO1 related User Registers are displayed See the TPS65720 data sheet for detailed description on these registers 9 SLVU324 March 2010 TPS65720EVM Submit Documentation Feedback Copyright 2010 Texas Instruments Incorporated ...

Страница 10: ... input or output In addition GPIO2 and GPIO3 can be configured as current sink to drive an external LED In the lower right corner of the window all GPIO related User Registers are displayed See the TPS65720 data sheet for detailed description on these registers 10 TPS65720EVM SLVU324 March 2010 Submit Documentation Feedback Copyright 2010 Texas Instruments Incorporated ...

Страница 11: ...t is generated If an event is not masked an interrupt is generated based on that event If any interrupt is pending the INT pin is driven low In the lower right corner of the window all INTERRUPT related User Registers are displayed See the TPS65720 data sheet for detailed description on these registers 11 SLVU324 March 2010 TPS65720EVM Submit Documentation Feedback Copyright 2010 Texas Instruments...

Страница 12: ...Setup www ti com Figure 7 INTERRUPTS VIEW 12 TPS65720EVM SLVU324 March 2010 Submit Documentation Feedback Copyright 2010 Texas Instruments Incorporated ...

Страница 13: ...e following figures Figure 8 through Figure 12 show the design of the TPS65720EVM printed circuit board Figure 8 TPS65720EVM Component Placement Viewed From Top Figure 9 TPS65720EVM Top Copper Viewed From Top 13 SLVU324 March 2010 TPS65720EVM Submit Documentation Feedback Copyright 2010 Texas Instruments Incorporated ...

Страница 14: ...and Layout www ti com Figure 10 TPS65720EVM Bottom Copper X Ray View Figure 11 TPS65720EVM Internal 1 X Ray View From Top 14 TPS65720EVM SLVU324 March 2010 Submit Documentation Feedback Copyright 2010 Texas Instruments Incorporated ...

Страница 15: ... com TPS65720EVM Assembly Drawings and Layout Figure 12 TPS65720VM Internal 2 X Ray View From Top 15 SLVU324 March 2010 TPS65720EVM Submit Documentation Feedback Copyright 2010 Texas Instruments Incorporated ...

Страница 16: ...C03SAAN Sullins 2 JP1 JP2 PEC03SAAN Header 2 pin 100mil spacing 0 100 inch x 2 PEC02SAAN Sullins 2 JP3 JP4 PEC03SAAN Header 3 pin 100mil spacing 0 100 inch x 3 PEC03SAAN Sullins 1 L1 2 2µH Inductor Power xx A yy milliohms 2 5 2 0 mm MIPSA2520D1R0 FDK 0 R1 R5 R13 open Resistor Chip 1 16W 1 0603 std std R14 R20 R21 1 R10 open Resistor Chip 1 16W 5 0603 std std 2 R17 R18 3 3k Resistor Chip 1 16W 5 06...

Страница 17: ...uct 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 engineer or visit www ti com esh No license is granted under any patent right or other intellectual property right of TI covering or relating to any machine process or combination in which such TI products or...

Страница 18: ...ch statements TI products are not authorized for use in safety critical applications such as life support where a failure of the TI product would reasonably be expected to cause severe personal injury or death unless officers of the parties have executed an agreement specifically governing such use Buyers represent that they have all necessary expertise in the safety and regulatory ramifications o...

Страница 19: ...Mouser Electronics Authorized Distributor Click to View Pricing Inventory Delivery Lifecycle Information Texas Instruments TPS65720EVM 515 ...

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