Texas Instruments bq2415x User Manual Download Page 9 | Manualshive

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Board Layout, Schematic, and Bill of Materials

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Board Layout, Schematic, and Bill of Materials

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Board Layout

Figure 5. Top Layer

9

SLUU366A – March 2010 – Revised April 2010

bq2415x RGY EVM (HPA255)

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Copyright © 2010, Texas Instruments Incorporated

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Summary of Contents for bq2415x

Page 1: ...ic and Bill of Materials 9 4 1 Board Layout 9 4 2 Schematic 12 4 3 Bill of Materials 13 List of Figures 1 Connections of the HPA172 Kit 5 2 Original Test Setup for HPA255 bq2415x EVM 5 3 Main Window o...

Page 2: ...bq2415x data sheet SLUS942 1 3 I O Description Table 1 Input Output Jack Descriptions Jack Description J1 DC AC adapter or USB positive output J1 DC AC adapter or USB negative output J2 BAT Charger po...

Page 3: ...F LO ON ON 1 5 Recommended Operating Conditions Table 4 Recommended Operating Conditions Min Typ Max Unit Notes Supply voltage VIN Input voltage from ac adapter input 4 5 6 V Battery voltage VBAT Volt...

Page 4: ...Check specified parameters A B If measured values are not within specified limits the unit under test has failed Observe A B Observe if A B occur If they do not occur the unit under test has failed As...

Page 5: ...nt voltage mode Set the output voltage to 2 5 V E Turn off Load 2 F Connect J5 to HPA172 kit by 10 pin ribbon cable Connect the USB port of the HPA172 kit to the USB port of the computer The connectio...

Page 6: ...ure Iin 93 mA 5 mA 4 Select Charge Current to 1 25 A select Input Current Limit to 500 mA Measure Ichrg 750 mA 100 mA Measure Iin 475 mA 25 mA 5 Check Disable Charger Turn off PS1 turn off Load 2 and...

Page 7: ...PA172 Ribbon Cable V www ti com Test Summary Figure 4 Test Setup for HPA255 3 Turn on PS1 output 4 Software setup Change Operation Mode to Boost Mode Measure V J1 DC DC 5 V 0 2 V 5 Enable Load 1 Measu...

Page 8: ...nents such that routing interrupts power stage currents All small control signals must be routed away from the high current paths 5 The printed circuit board must have a ground plane return connected...

Page 9: ...ill of Materials 4 Board Layout Schematic and Bill of Materials 4 1 Board Layout Figure 5 Top Layer 9 SLUU366A March 2010 Revised April 2010 bq2415x RGY EVM HPA255 Submit Documentation Feedback Copyri...

Page 10: ...ic and Bill of Materials www ti com Figure 6 Bottom Layer Figure 7 Top Assembly 10 bq2415x RGY EVM HPA255 SLUU366A March 2010 Revised April 2010 Submit Documentation Feedback Copyright 2010 Texas Inst...

Page 11: ...com Board Layout Schematic and Bill of Materials Figure 8 Top Silk 11 SLUU366A March 2010 Revised April 2010 bq2415x RGY EVM HPA255 Submit Documentation Feedback Copyright 2010 Texas Instruments Incor...

Page 12: ...Layout Schematic and Bill of Materials www ti com 4 2 Schematic 12 bq2415x RGY EVM HPA255 SLUU366A March 2010 Revised April 2010 Submit Documentation Feedback Copyright 2010 Texas Instruments Incorpo...

Page 13: ...1 1 1 1 1 L1 1 0mH 2 5mmx2mm 1 0mH 30 1 5A 0 11x0 09 inch LQM2HPN1R0MJ0 or Murata or FDK or MIPS2520D1R0 or TOKO or MDT2520 CN1R0M or CP1008 Inter Technical 1 1 1 1 1 1 1 R1 0 068 Resistor Chip 68m 12...

Page 14: ...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 15: ...h 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...

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