Texas Instruments TPS65257 User Manual Download | Manualshive

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TPS65258EVM Schematic

Figure 1. TPS65258EVM Schematic

3

SLVU568

–

September 2011

TPS65257 High Current, Synchronous Step Down Three Buck Switcher

Evaluation Module with 1USB Switch and Push Button Controller

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Copyright

©

2011, Texas Instruments Incorporated

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Summary of Contents for TPS65257

Page 1: ...PS65258EVM Schematic 2 4 EVM Layout 5 5 Bench Test Setup Conditons 6 5 1 Headers Description 7 5 2 Test Points and Placement 7 List of Figures 1 TPS65258EVM Schematic 3 2 Composite Layer 4 3 Top Layer...

Page 2: ...enable the USB switch either with A jumper or external drive signals to the USBEN pin 4 If USBx_nFAULT signal is required connect J35 jumpers or wire the alarms pin to a pull up supply 5 Connect load...

Page 3: ...65258EVM Schematic 3 SLVU568 September 2011 TPS65257 High Current Synchronous Step Down Three Buck Switcher Evaluation Module with 1USB Switch and Push Button Controller Submit Documentation Feedback...

Page 4: ...Composite Layer 4 TPS65257 High Current Synchronous Step Down Three Buck Switcher SLVU568 September 2011 Evaluation Module with 1USB Switch and Push Button Controller Submit Documentation Feedback Cop...

Page 5: ...Cu Ground Figure 5 Middle 3rd Layer Figure 6 Bottom Layer 5 SLVU568 September 2011 TPS65257 High Current Synchronous Step Down Three Buck Switcher Evaluation Module with 1USB Switch and Push Button C...

Page 6: ...Headers description and jumper placement 6 TPS65257 High Current Synchronous Step Down Three Buck Switcher SLVU568 September 2011 Evaluation Module with 1USB Switch and Push Button Controller Submit D...

Page 7: ...dicator pulled to 3V3 Fit according to test requirement JP27 PGOOD S PGOOD indicated pulled to 3V3 Fit according to test requirement 5 2 Test Points and Placement Buck converter outputs are white and...

Page 8: ...03 SMD 0603 3 R3 R8 R23 20 K RES 20K OHM 1 10W 5 0603 SMD 0603 1 R6 383 K RES 383K OHM 1 10W 1 0603 SMD 0603 4 R10 R26 R27 R35 100 K RES 100K OHM 1 10W 5 0603 SMD 0603 5 R14 R17 R20 R37 R5a 0 RES 0 0...

Page 9: ...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 10: ...ncy energy and has not been tested for compliance with the limits of computing devices pursuant to part 15 of FCC or ICES 003 rules which are designed to provide reasonable protection against radio fr...

Page 11: ...na type and its gain should be so chosen that the equivalent isotropically radiated power e i r p is not more than that necessary for successful communication This radio transmitter has been approved...

Page 12: ...roduct only after you obtained the license of Test Radio Station as provided in Radio Law of Japan with respect to this product or 3 Use of this product only after you obtained the Technical Regulatio...

Page 13: ...property damage personal injury or death If there are questions concerning these ratings please contact a TI field representative prior to connecting interface electronics including input power and in...

Page 14: ...egulatory and safety related requirements concerning its products and any use of TI components in its applications notwithstanding any applications related information or support that may be provided...

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