Texas Instruments bq24260 Скачать руководство пользователя страница 20 | Manualshive

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Revision History

Figure 10. Bottom Layer

Revision History

Changes from Original (February 2014) to A Revision

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Changed content in the bill of materials.

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NOTE: Page numbers for previous revisions may differ from page numbers in the current version.

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Revision History

SLUUAV8A – February 2014 – Revised August 2014

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Copyright © 2014, Texas Instruments Incorporated

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Содержание bq24260

Страница 1: ...g Conditions 5 2 Test Summary 6 2 1 Definitions 6 2 2 Recommended Test Equipment 6 2 3 Recommended Test Equipment Setup 8 2 4 Recommended Test Procedure 10 3 Printed Circuit Board Layout Guideline 12 4 Bill of Materials and Board Layout 13 4 1 Bill of Materials 13 4 2 Board Layout 16 List of Figures 1 bq24260 bq24261 bq24262EVM Schematic 3 2 BAT_Load PR1010 Schematic 7 3 Connections of HPA172 Kit ...

Страница 2: ...and bq24262 evaluation modules EVM provide a complete charger module for evaluating compact flexible high efficiency USB friendly switch mode battery charge and power path management solution for single cell Li ion and Li polymer battery powered systems used in a wide range of portable applications Key EVM features include Terminal blocks and standard headers for IN SYS BAT TS USB connector for IN...

Страница 3: ... for part usage See User s guide for voltage ratings STAT INT R9 1 2 5 62k R5 1 2 12 4k R6 1 00M R8 1 2 3 JP7 DRV HIGH PSEL LOW 1 2 3 4 5 6 7 8 9 J2 4 7uF C1 10uF C5 10uF C7 C6 1 5uH L1 1 2 1 1 1 1 1 1 2 2 2 2 I2C PMID 1 BOOT 2 DRV 3 CD 4 TS 5 SYS 6 SYS 7 BAT 8 BAT 9 INT 10 BGATE 11 AGND 12 STAT 13 D 14 D 15 SCL 16 SDA 17 IN 18 IN 19 AGND 20 PGND 21 PGND 22 SW 23 SW 24 PAD 25 U1 BQ2426XRGE 1 www t...

Страница 4: ...External thermistor terminal J10 GND SYS output negative header J11 SYS GND SYS output positive and negative terminal J12 SYS SYS output positive header J13 BAT Battery positive header J14 BAT GND Battery positive and negative header J15 USB to GPIO USB to GPIO box keyed connector 1 5 Test Points Test Point Description TP1 BAT TP2 SW TP3 GND TP4 SYS TP5 IN TP6 STAT TP7 GND TP8 INT TP9 TS TP10 SCL ...

Страница 5: ...10 kΩ thermistor If a different thermistor is used R5 and R6 must be resized bq24261 and bq24262 only PSEL LO Input current limit is set to 1 5 A until changed by I2C JP7 PSEL HI PSEL HI For bq24261 input current limit is set to USB100 until changed by I2C For bq24262 input current limit is set to USB500 until changed by I2C 1 7 Recommended Operating Conditions Min Typ Max Unit Supply voltage VIN ...

Страница 6: ...Measure A B 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 The assembly drawings Section 4 2 show locations for jumpers test points and individual components 2 2 Recommended Test Equipment 2 2 1 Power Supplies 1 Power supply 1 PS 1 capable of supply...

Страница 7: ...f operation the IC enters Default mode Note that the 27 minute safety timer is not reset by this function and eventually times out if charging does not complete unless the Safety Timer Time Limit is expanded or disabled via the GUI One way to reset the safety timer is to allow the 30 second watchdog timer to expire See Figure 3 in the data sheet SLUSBA2 for more information about the timers Also i...

Страница 8: ... the current meter multimeter 2 CM 2 to J2 and J6 or J3 BAT GND Ensure that a voltage meter is connected across J2 or TP3 and J6 or TP9 BAT GND 5 Connect VM 3 across J10 or TP7 and J14 or TP9 SYS GND 6 Connect VM 4 across J15 or TP5 and J14 or TP9 DRV GND 7 Connect J17 to the HPA172 kit with the 10 pin ribbon cable Connect the USB port of the HPA172 kit to the USB port of the computer The connecti...

Страница 9: ... performed the test setup for bq2426XEVM 611 is configured as shown in Figure 4 Figure 4 Original Test Setup for bq24260 bq24261 bq24262 EVM 9 SLUUAV8A February 2014 Revised August 2014 User s Guide for QFN Packaged bq24260 bq24261 and bq24262 3 A Battery Charger Evaluation Module Submit Documentation Feedback Copyright 2014 Texas Instruments Incorporated ...

Страница 10: ...s per Section 1 6 3 Connect the output of PS 1 with at least a 4 A current limit setting in series with CM 1 to J1 as shown in Figure 4 4 Connect VM 1 across J4 and J3 or TP5 and or TP7 IN GND 5 Connect either a real single cell lithium ion battery or battery simulator across J14 or J13 J5 BAT GND with CM 2 in series as shown in Figure 4 If using a battery simulator like the one shown in Figure 2 ...

Страница 11: ...onstant current load across J13 and J5 that does not draw more than 2 5 A from SYS Measure on VM 3 3 44 V 3 55 V Measure on CM 2 ICHRG 2000 mA 100 mA minus the load current on SYS 15 Test the VINDPM function by removing the load on SYS adjusting PS 1 so that VM 1 reads 5 V adjusting PS 2 so that VM 2 reads 3 6 V and then lowering the current limit setting on PS 1 to below the software s Charge Cur...

Страница 12: ...nput capacitor GNDs as close to the respective PMID capacitor GND and PGND pins as possible to minimize the ground difference between the input and PMID 3 The local bypass capacitor from SYS to GND must be connected between the SYS pin and PGND of the IC The intent is to minimize the current path loop area from the SW pin through the LC filter and back to the PGND pin 4 Place all decoupling capaci...

Страница 13: ...1 J11 Terminal Block 2 pin 6 A 3 5mm OST ED555 2DS 1 1 1 J12 Header Male 2 pin 100mil spacing Sullins PEC02SAAN 1 1 1 J13 Header Male 2 pin 100mil spacing Sullins PEC02SAAN 1 1 1 J14 Terminal Block 2 pin 6 A 3 5mm OST ED555 2DS 1 1 1 J15 Connector Male Straight 2x5 pin 100mil spacing 4 Wall 3M N2510 6002RB 1 1 1 J2 Connector USB Micro Type AB Hirose ZX62D AB 5P8 1 1 1 J3 Header Male 2 pin 100mil s...

Страница 14: ... 100mil Gold plated Black 3M 969102 0000 DA 1 1 1 SH JP5 Shunt 100mil Gold plated Black 3M 969102 0000 DA 1 1 1 SH JP6 Shunt 100mil Gold plated Black 3M 969102 0000 DA 0 1 1 SH JP7 Shunt 100mil Gold plated Black 3M 969102 0000 DA 1 1 1 TP1 Test Point White Thru Hole Color Keyed Keystone 5002 1 1 1 TP10 Test Point White Thru Hole Color Keyed Keystone 5002 1 1 1 TP11 Test Point White Thru Hole Color...

Страница 15: ...ontrolled Single Input Single Cell Switchmode Li Ion Battery Charger with Texas Instruments BQ24262RGE Power Path Management and USB OTG Support RGE0024H 15 SLUUAV8A February 2014 Revised August 2014 User s Guide for QFN Packaged bq24260 bq24261 and bq24262 3 A Battery Charger Evaluation Module Submit Documentation Feedback Copyright 2014 Texas Instruments Incorporated ...

Страница 16: ...10 illustrate the PCB layouts for this EVM Figure 6 Top Assembly Layer 16 User s Guide for QFN Packaged bq24260 bq24261 and bq24262 3 A SLUUAV8A February 2014 Revised August 2014 Battery Charger Evaluation Module Submit Documentation Feedback Copyright 2014 Texas Instruments Incorporated ...

Страница 17: ...ayout Figure 7 Top Layer 17 SLUUAV8A February 2014 Revised August 2014 User s Guide for QFN Packaged bq24260 bq24261 and bq24262 3 A Battery Charger Evaluation Module Submit Documentation Feedback Copyright 2014 Texas Instruments Incorporated ...

Страница 18: ...Figure 8 First Internal Layer 18 User s Guide for QFN Packaged bq24260 bq24261 and bq24262 3 A SLUUAV8A February 2014 Revised August 2014 Battery Charger Evaluation Module Submit Documentation Feedback Copyright 2014 Texas Instruments Incorporated ...

Страница 19: ...Figure 9 Second Internal Layer 19 SLUUAV8A February 2014 Revised August 2014 User s Guide for QFN Packaged bq24260 bq24261 and bq24262 3 A Battery Charger Evaluation Module Submit Documentation Feedback Copyright 2014 Texas Instruments Incorporated ...

Страница 20: ... 2014 to A Revision Page Changed content in the bill of materials 13 NOTE Page numbers for previous revisions may differ from page numbers in the current version 20 Revision History SLUUAV8A February 2014 Revised August 2014 Submit Documentation Feedback Copyright 2014 Texas Instruments Incorporated ...

Страница 21: ...ndling and use of EVMs and if applicable compliance in all respects with such laws and regulations 10 User has sole responsibility to ensure the safety of any activities to be conducted by it and its employees affiliates contractors or designees with respect to handling and using EVMs Further user is responsible to ensure that any interfaces electronic and or mechanical between EVMs and any human ...

Страница 22: ...This equipment generates uses and can radiate radio frequency energy and if not installed and used in accordance with the instruction manual may cause harmful interference to radio communications Operation of this equipment in a residential area is likely to cause harmful interference in which case the user will be required to correct the interference at its own expense FCC Interference Statement ...

Страница 23: ...érieur au gain maximal indiqué sont strictement interdits pour l exploitation de l émetteur Mailing Address Texas Instruments Post Office Box 655303 Dallas Texas 75265 Copyright 2014 Texas Instruments Incorporated spacer Important Notice for Users of EVMs Considered Radio Frequency Products in Japan EVMs entering Japan are NOT certified by TI as conforming to Technical Regulations of Radio Law of ...

Страница 24: ...esponsible for compliance with all legal regulatory 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 by TI Buyer represents and agrees that it has all the necessary expertise to create and implement safeguards which anticipate dangerous consequences of failur...

Страница 25: ...Mouser Electronics Authorized Distributor Click to View Pricing Inventory Delivery Lifecycle Information Texas Instruments BQ24260EVM 611 BQ24261EVM 611 BQ24261EVM 079 ...

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