Texas Instruments BQ2463X EVM user manual

User manual for the device Texas Instruments BQ2463X EVM

Device: Texas Instruments BQ2463X EVM
Category: Battery Charger
Manufacturer: Texas Instruments
Size: 0.74 MB
Added : 4/8/2013
Number of pages: 21
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Summary of the content on the page No. 1

User's Guide
SLUU396A–January 2010–Revised July 2010
bq2461x/bq2463x EVM (HPA422) Multi-Cell Synchronous
Switch-Mode Charger
Contents
1 Introduction .................................................................................................................. 2
1.1 EVM Features ...................................................................................................... 2
1.2 General Description ........................................................................................

Summary of the content on the page No. 2

Introduction www.ti.com 1 Introduction 1.1 EVM Features • Evaluation Module For bq2461x/bq2463x • High Efficiency Synchronous Buck Charger • User-programmable up to 26V Battery Voltage • AC Adapter Operating Range 5 V–28 V • LED Indication for Control and Status Signals. • Test Points for Key Signals Available for Testing Purpose. Easy Probe Hook-up. • Jumpers Available. Easy to Change Connections. 1.2 General Description The bq2461x is highly integrated Li-ion or Li-polymer switch-mode battery

Summary of the content on the page No. 3

www.ti.com Introduction Table 1. I/O Description (continued) Jack Description J5–GND Ground JP1–LOW Ground JP1–TTC Timer capacitor pin JP1–HI Pull-up voltage source JP2–HI Pull-up voltage source JP2–LEDPWR LED Pull-up power line JP3–VREF IC reference voltage VREF JP3–VPULLUP Pull-up voltage source JP3–EXT External voltage supply from J2 JP4–VCC Pull-up voltage source of ACDRV and BATDRV LED logic circuit JP4–VCOM Q7 and Q11 common source JP5–HI Pull-up voltage source JP5–CHGEN Charge enable 1.4

Summary of the content on the page No. 4

Test Summary www.ti.com R25 and R28 can be changed to regulate output. V = 2.1V × [1+ R25/R28]; for bq2461x; BAT V = 1.8V × [1+ R25/R28]; for bq2463x; BAT Adjust the input voltage as required. Output set to operate at 21V (bq2461x) or 18V (bq2463x) from the factory. 2 Test Summary 2.1 Definitions This procedure details how to configure the HPA422 evaluation board. On the test procedure the following naming conventions are followed. See the HPA422 schematic for details. VXXX: External voltage sup

Summary of the content on the page No. 5

www.ti.com Test Summary 2.2.5 METERS Seven Fluke 75 multimeters, (equivalent or better) Or: Four equivalent voltage meters and three equivalent current meters. The current meters must be capable of measuring 5A+ current 2.3 Equipment Setup 1. Set the power supply #1 for 0V ± 100mVDC, 5.0 ± 0.1A current limit and then turn off supply. 2. Connect the output of power supply #1 in series with a current meter (multimeter) to J1 (VIN, GND). 3. Connect a voltage meter across J1 (VIN, GND). 4. Set the p

Summary of the content on the page No. 6

Test Summary www.ti.com 2.4 Procedure 2.4.1 AC Adapter Detection Threshold 1. Make sure EQUIPMENT SETUP steps are followed. Turn on PS#2. 2. Turn on PS#1 Measure → V(J5(SYS)) = 0 ± 500mV Measure → V(TP(VREF)) = 0V ± 1000mV Measure → V(TP(REGN)) = 0V ± 500mV 3. Increase the output voltage on PS#1 until D5 (PG) on but do not exceed 5V. Set the power supply #2 to 1.8V ± 100mVDC Measure → V(J1(VIN)) = 4.5V ± 0.5V Measure → V(J5(SYS)) = 4.5V ± 0.5V Measure → V(TP(VREF)) = 3.3V ± 200mV Measure → V(TP(

Summary of the content on the page No. 7

www.ti.com PCB Layout Guideline 2.4.4 Charger Cut-Off by Thermistor 1. Slowly increase the output voltage of PS2 until Ibat = 0 ± 10mA. Measure → V(J4(TS)) = 2.44V ± 200mV Observe → D7 (STAT1) off; D8 (STAT2) off. 2. Slowly decrease the output voltage of PS2 to 1.4V ± 0.1V. Measure → V(J4(TS)) = 1.4V ± 100mV Measure → Ibat = 3000mA ± 300mA (bq24610/617) Measure → Ibat = 0mA ± 100mA (bq24616) Measure → Ibat = 375mA ± 150mA (bq2463x) Observe → D7 (STAT1) on; D8 (STAT2) off (bq24610/617/630) Observ

Summary of the content on the page No. 8

Bill of Materials, Board Layout and Schematics www.ti.com 4 Bill of Materials, Board Layout and Schematics 4.1 Bill of Materials Table 4. Bill of Materials bq24610-001 bq24617-002 Bq24630-003 bq24616-004 Value RefDes Description Size Part Number Mfr 1 0 0 0 bq24610RGE U1 Charger Controller IC QFN-24 (RGE) bq24610RGE TI 0 1 0 0 bq24617RGE U1 Charger Controller IC QFN-24 (RGE) bq24617RGE TI 0 0 1 0 bq24630RGE U1 Charger Controller IC QFN-24 (RGE) bq24630RGE TI 0 0 0 1 bq24616RGE U1 Charger Control

Summary of the content on the page No. 9

www.ti.com Bill of Materials, Board Layout and Schematics Table 4. Bill of Materials (continued) bq24610-001 bq24617-002 Bq24630-003 bq24616-004 Value RefDes Description Size Part Number Mfr 2 2 2 2 PEC03SAAN JP1,JP3 Header, 3 pin, 100mil spacing, 0.100 inch x 3 PEC03SAAN Sullins 4 4 4 4 0 R10,R19,R26, Resistor, Chip, 1/16W, 1% 402 Std Std R13 1 1 1 1 10 R22 Resistor, Chip, 1/4W, 1% 1206 Std Std 1 1 0 0 9.31k R4 Resistor, Chip, 1/16W, 1% 402 Std Std 0 0 1 1 2.2k R4 Resistor, Chip, 1/16W, 1% 402

Summary of the content on the page No. 10

Bill of Materials, Board Layout and Schematics www.ti.com Table 4. Bill of Materials (continued) bq24610-001 bq24617-002 Bq24630-003 bq24616-004 Value RefDes Description Size Part Number Mfr 1 1 1 1 5001 GND Test Point, Black, Thru Hole Color 0.100 x 0.100 5001 Keystone Keyed inch 14 14 14 14 5002 /ACDRV,/BAT Test Point, White, Thru Hole Color 0.100 x 0.100 5002 Keystone DRV,/PG, Keyed inch ACSET,CHGE N,ISET1,ISET 2, REGN, STAT1,STAT2 ,TS,TTC, VCC,VREF 5 5 5 5 131-4244-00 TP1,TP2,TP8, Adaptor, 3

Summary of the content on the page No. 11

www.ti.com Board Layout 5 Board Layout Figure 2. Top Layer 11 SLUU396A–January 2010–Revised July 2010 bq2461x/bq2463x EVM (HPA422) Multi-Cell Synchronous Switch-Mode Charger Copyright © 2010, Texas Instruments Incorporated

Summary of the content on the page No. 12

Board Layout www.ti.com nd Figure 3. 2 Layer 12 bq2461x/bq2463x EVM (HPA422) Multi-Cell Synchronous Switch-Mode Charger SLUU396A–January 2010–Revised July 2010 Copyright © 2010, Texas Instruments Incorporated

Summary of the content on the page No. 13

www.ti.com Board Layout rd Figure 4. 3 Layer 13 SLUU396A–January 2010–Revised July 2010 bq2461x/bq2463x EVM (HPA422) Multi-Cell Synchronous Switch-Mode Charger Copyright © 2010, Texas Instruments Incorporated

Summary of the content on the page No. 14

Board Layout www.ti.com Figure 5. Bottom Layer 14 bq2461x/bq2463x EVM (HPA422) Multi-Cell Synchronous Switch-Mode Charger SLUU396A–January 2010–Revised July 2010 Copyright © 2010, Texas Instruments Incorporated

Summary of the content on the page No. 15

www.ti.com Board Layout Figure 6. Top Assembly 15 SLUU396A–January 2010–Revised July 2010 bq2461x/bq2463x EVM (HPA422) Multi-Cell Synchronous Switch-Mode Charger Copyright © 2010, Texas Instruments Incorporated

Summary of the content on the page No. 16

Board Layout www.ti.com Figure 7. Bottom Assembly 16 bq2461x/bq2463x EVM (HPA422) Multi-Cell Synchronous Switch-Mode Charger SLUU396A–January 2010–Revised July 2010 Copyright © 2010, Texas Instruments Incorporated

Summary of the content on the page No. 17

www.ti.com Board Layout Figure 8. Top Silkscreen 17 SLUU396A–January 2010–Revised July 2010 bq2461x/bq2463x EVM (HPA422) Multi-Cell Synchronous Switch-Mode Charger Copyright © 2010, Texas Instruments Incorporated

Summary of the content on the page No. 18

Board Layout www.ti.com Figure 9. Bottom Silkscreen 18 bq2461x/bq2463x EVM (HPA422) Multi-Cell Synchronous Switch-Mode Charger SLUU396A–January 2010–Revised July 2010 Copyright © 2010, Texas Instruments Incorporated

Summary of the content on the page No. 19

www.ti.com Schematics 6 Schematics Figure 10. bq2461x/bq2463x EVM Schematic 19 SLUU396A–January 2010–Revised July 2010 bq2461x/bq2463x EVM (HPA422) Multi-Cell Synchronous Switch-Mode Charger Copyright © 2010, Texas Instruments Incorporated

Summary of the content on the page No. 20

Evaluation Board/Kit Important Notice Texas Instruments (TI) provides the enclosed product(s) under the following conditions: This evaluation board/kit is intended for use for ENGINEERING DEVELOPMENT, DEMONSTRATION, OR EVALUATION PURPOSES ONLY and is not considered by TI to be a finished end-product fit for general consumer use. Persons handling the product(s) must have electronics training and observe good engineering practice standards. As such, the goods being provided are not intended to be


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