Texas Instruments bq24750 User Manual Download Page 14 | Manualshive

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Bill of Materials, Board Layout and Schematics

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bq24750/50A/51/51A/51B/52/53 EVM (HPA207) For Multi —Cell Synchronous

SLUU283D – May 2007 – Revised March 2010

Notebook Charger and System Power Selector

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Copyright © 2007–2010, Texas Instruments Incorporated

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Summary of Contents for bq24750

Page 1: ...51 51A 51B 52 53 High Efficiency NMOS NMOS Synchronous Buck Charger With 300 kHz Frequency Battery Adapter to System Power Selector Function User Selectable 2 cell 3 cell or 4 cell Li ion Battery Vol...

Page 2: ...SLUS734 the bq24751A data sheet SLUS756 the bq24751B data sheet SLUS835 and the bq24753 data sheet SLUS885 1 3 I O Description Jack Description J1 ACPWR AC adapter positive output J1 PGND AC adapter n...

Page 3: ...ed by LED when on Jumper On Jumper On The pull up power source supplies the LEDs when on LED has no JP4 Jumper On Jumper On power source when off Pull up power source setting Jumper on 1 2 Jumper on 1...

Page 4: ...k xx Jxx ON HPA207 internal jumper Jxx terminals are shorted Jxx OFF HPA207 internal jumper Jxx terminals are open Jxx YY ON HPA207 internal jumper Jxx adjacent terminals marked as YY are shorted Meas...

Page 5: ...5 0 0 1A current limit and then turn off supply B Connect the output of power supply 1 in series with a current meter multimeter to J1 POS GND C Connect a voltage meter across J1 POS GND D Set the pow...

Page 6: ...rn on PS1 Measure V J6 VSYS 0 500mV Measure V TP VREF 0V 500mV Measure V TP REGN 0V 500mV 4 Increase the output voltage of PS1 until D7 ACGOOD on but do not exceed 19V Measure V TP ACDET 2 4V 150mV Me...

Page 7: ...J6 SYS GND Make sure a voltage meter is connected across J6 SYS GND Turn on the power of the Load 1 Set the load current to 4A 50mA but disable the output The setup is now like Figure 3 for HPA207 001...

Page 8: ...connecting to the ground plane on the other layers 2 The control stage and the power stage should be routed separately At each layer the signal ground and the power ground are connected only at the p...

Page 9: ...2 X5R 10 L 0 0 0 0 0 0 0 C3 Open Capacitor 1206 C3216X7R1 Taiyo Yuden Ceramic 35V H105K X7R 10 2 2 2 2 2 2 2 C4 C31 0 01uF Capacitor 603 C1608X7R1 TDK Ceramic 50V H104K X7R 10 1 1 1 1 1 1 1 C5 22 uF C...

Page 10: ...Ch SOT 23 TP0610K Vishay K 60V Rds 6 ohms Siliconix Id 185 mA 1 1 1 1 1 1 1 R1 422k Resistor Chip 603 Std Std 1 10W 1 2 2 2 2 2 2 2 R10 R11 0 Resistor Chip 402 Std Std 1 16W 5 3 3 3 3 3 3 3 R12 R14 10...

Page 11: ...200 inch 131 4244 00 Tektronix P16 TP17 4244 probe clip or 00 131 5031 00 0 0 0 0 0 0 0 TP3 TP4 TP STD Test Point 0 020 STD STD 5 TP6 TP7 T Hole P8 TP9 TP1 0 TP11 TP1 2 TP13 TP1 4 1 0 0 0 0 0 0 U1 BQ...

Page 12: ...oard Layout Figure 5 Top Layer 12 bq24750 50A 51 51A 51B 52 53 EVM HPA207 For Multi Cell Synchronous SLUU283D May 2007 Revised March 2010 Notebook Charger and System Power Selector Submit Documentatio...

Page 13: ...ics Figure 6 2nd Layer 13 SLUU283D May 2007 Revised March 2010 bq24750 50A 51 51A 51B 52 53 EVM HPA207 For Multi Cell Synchronous Notebook Charger and System Power Selector Submit Documentation Feedba...

Page 14: ...com Figure 7 3rd Layer 14 bq24750 50A 51 51A 51B 52 53 EVM HPA207 For Multi Cell Synchronous SLUU283D May 2007 Revised March 2010 Notebook Charger and System Power Selector Submit Documentation Feedba...

Page 15: ...s Figure 8 Bottom Layer 15 SLUU283D May 2007 Revised March 2010 bq24750 50A 51 51A 51B 52 53 EVM HPA207 For Multi Cell Synchronous Notebook Charger and System Power Selector Submit Documentation Feedb...

Page 16: ...m Figure 9 Top Assembly 16 bq24750 50A 51 51A 51B 52 53 EVM HPA207 For Multi Cell Synchronous SLUU283D May 2007 Revised March 2010 Notebook Charger and System Power Selector Submit Documentation Feedb...

Page 17: ...Figure 10 Bottom Assembly 17 SLUU283D May 2007 Revised March 2010 bq24750 50A 51 51A 51B 52 53 EVM HPA207 For Multi Cell Synchronous Notebook Charger and System Power Selector Submit Documentation Fee...

Page 18: ...ematics The schematic is shown on the following page 18 bq24750 50A 51 51A 51B 52 53 EVM HPA207 For Multi Cell Synchronous SLUU283D May 2007 Revised March 2010 Notebook Charger and System Power Select...

Page 19: ...nd Schematics 19 SLUU283D May 2007 Revised March 2010 bq24750 50A 51 51A 51B 52 53 EVM HPA207 For Multi Cell Synchronous Notebook Charger and System Power Selector Submit Documentation Feedback Copyri...

Page 20: ...s www ti com 20 bq24750 50A 51 51A 51B 52 53 EVM HPA207 For Multi Cell Synchronous SLUU283D May 2007 Revised March 2010 Notebook Charger and System Power Selector Submit Documentation Feedback Copyrig...

Page 21: ...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 22: ...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...

Page 23: ...Mouser Electronics Authorized Distributor Click to View Pricing Inventory Delivery Lifecycle Information Texas Instruments BQ24750EVM BQ24751EVM BQ24751AEVM BQ24750AEVM BQ24751BEVM BQ24753EVM...

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