Texas Instruments BQ2463X EVM Manual do Utilizador

User's GuideSLUU396A–January 2010–Revised July 2010bq2461x/bq2463x EVM (HPA422) Multi-Cell SynchronousSwitch-Mode ChargerContents1 Introduction .

Bill of Materials, Board Layout and Schematicswww.ti.comTable 4. Bill of Materials (continued)bq24610-001 bq24617-002 Bq24630-003 bq24616-004 Value Re

www.ti.comBoard Layout5 Board LayoutFigure 2. Top Layer11SLUU396A–January 2010–Revised July 2010 bq2461x/bq2463x EVM (HPA422) Multi-Cell Synchronous S

Board Layoutwww.ti.comFigure 3. 2ndLayer12bq2461x/bq2463x EVM (HPA422) Multi-Cell Synchronous Switch-Mode Charger SLUU396A–January 2010–Revised July 2

www.ti.comBoard LayoutFigure 4. 3rdLayer13SLUU396A–January 2010–Revised July 2010 bq2461x/bq2463x EVM (HPA422) Multi-Cell Synchronous Switch-Mode Char

Board Layoutwww.ti.comFigure 5. Bottom Layer14bq2461x/bq2463x EVM (HPA422) Multi-Cell Synchronous Switch-Mode Charger SLUU396A–January 2010–Revised Ju

www.ti.comBoard LayoutFigure 6. Top Assembly15SLUU396A–January 2010–Revised July 2010 bq2461x/bq2463x EVM (HPA422) Multi-Cell Synchronous Switch-Mode

Board Layoutwww.ti.comFigure 7. Bottom Assembly16bq2461x/bq2463x EVM (HPA422) Multi-Cell Synchronous Switch-Mode Charger SLUU396A–January 2010–Revised

www.ti.comBoard LayoutFigure 8. Top Silkscreen17SLUU396A–January 2010–Revised July 2010 bq2461x/bq2463x EVM (HPA422) Multi-Cell Synchronous Switch-Mod

Board Layoutwww.ti.comFigure 9. Bottom Silkscreen18bq2461x/bq2463x EVM (HPA422) Multi-Cell Synchronous Switch-Mode Charger SLUU396A–January 2010–Revis

www.ti.comSchematics6 SchematicsFigure 10. bq2461x/bq2463x EVM Schematic19SLUU396A–January 2010–Revised July 2010 bq2461x/bq2463x EVM (HPA422) Multi-C

Introductionwww.ti.com1 Introduction1.1 EVM Features• Evaluation Module For bq2461x/bq2463x• High Efficiency Synchronous Buck Charger• User-programmab

Evaluation Board/Kit Important NoticeTexas Instruments (TI) provides the enclosed product(s) under the following conditions:This evaluation board/kit

IMPORTANT NOTICETexas Instruments Incorporated and its subsidiaries (TI) reserve the right to make corrections, modifications, enhancements, improveme

www.ti.comIntroductionTable 1. I/O Description (continued)Jack DescriptionJ5–GND GroundJP1–LOW GroundJP1–TTC Timer capacitor pinJP1–HI Pull-up voltage

Test Summarywww.ti.comR25 and R28 can be changed to regulate output.VBAT= 2.1V × [1+ R25/R28]; for bq2461x;VBAT= 1.8V × [1+ R25/R28]; for bq2463x;Adju

bq24610/616/617/30EVMHPA422ACPWRJ1PGNDSYSJ5PGNDBATVREFJP3PGTSAPPLICATIONCIRCUITPHTP12SYSVBATTP1ACPWRSTAT1J3J2JP1U1JP5J4VIinIPowersupply#1IsysVIbatV

Test Summarywww.ti.com2.4 Procedure2.4.1 AC Adapter Detection Threshold1. Make sure EQUIPMENT SETUP steps are followed. Turn on PS#2.2. Turn on PS#1Me

www.ti.comPCB Layout Guideline2.4.4 Charger Cut-Off by Thermistor1. Slowly increase the output voltage of PS2 until Ibat = 0 ± 10mA.Measure → V(J4(TS)

Bill of Materials, Board Layout and Schematicswww.ti.com4 Bill of Materials, Board Layout and Schematics4.1 Bill of MaterialsTable 4. Bill of Material

www.ti.comBill of Materials, Board Layout and SchematicsTable 4. Bill of Materials (continued)bq24610-001 bq24617-002 Bq24630-003 bq24616-004 Value Re