Table of Contents
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1
1.1
1.2
1.3
1.4
1.5
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2.1
2.2
2.3
2.4
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4
4.1
4.2
4.3
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5
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8
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9
1
Factory Jumper Settings
1
Introduction
1.1
EVM Features
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Evaluation Module For BQ2415x
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High Efficiency Fully Integrated NMOS-NMOS Synchronous Buck Charger With 3MHz Frequency
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Integrated Power FETs for Up To 1.25-A Charge Rate
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Programmable Battery Voltage, Charge Current, and Input Current via I
•
Input Operating Range 4 V-6 V
•
Boost Mode Operation for USB OTG
SLUU321B - June 2008 - Revised May 2010
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Copyright © 2008-2010, Texas Instruments Incorporated
SLUU321B - June 2008 - Revised May 2010
bq2415x YFF EVM
Contents
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List of Figures
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List of Tables
User's Guide
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2
C Interface
bq2415x YFF EVM
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Table of Contents
Related Manuals for Texas Instruments bq2415 Series
Summary of Contents for Texas Instruments bq2415 Series
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Page 1: Table Of Contents
Programmable Battery Voltage, Charge Current, and Input Current via I C Interface • Input Operating Range 4 V–6 V • Boost Mode Operation for USB OTG SLUU321B – June 2008 – Revised May 2010 bq2415x YFF EVM Copyright © 2008–2010, Texas Instruments Incorporated... -
Page 2: General Description
Maximum input current from ac adapter input 0 0.1–0.5 Charge current, I Battery charge current 0.55 1.25 chrg Operating junction temperature range, T °C bq2415x YFF EVM SLUU321B – June 2008 – Revised May 2010 Copyright © 2008–2010, Texas Instruments Incorporated... -
Page 3: Test Summary
A computer with at least one USB port and a USB cable. The bq2415x evaluation software must be properly installed. 2.2.6 HPA172 COMMUNICATION KIT A HPA172 USB to I2C communication kit. SLUU321B – June 2008 – Revised May 2010 bq2415x YFF EVM Copyright © 2008–2010, Texas Instruments Incorporated... -
Page 4: Equipment Setup
(-LED-) ON (-LO-) ON (-LO-) ON (bq24153) HPA256-007 (-LED-) ON (-HI-) ON (-LO-) ON (bq24156) HPA256-008 (-LED-) ON (-LO-) ON (-LO-) ON (bq24158) bq2415x YFF EVM SLUU321B – June 2008 – Revised May 2010 Copyright © 2008–2010, Texas Instruments Incorporated... -
Page 5: Original Test Setup For Hpa256 (Bq2415X Evm)
GO button. The main window of the software is show in Figure Figure 3. The Main Window of the bq2415x Evaluation Software (For bq24150/1/2/0A/1A) SLUU321B – June 2008 – Revised May 2010 bq2415x YFF EVM Copyright © 2008–2010, Texas Instruments Incorporated... -
Page 6: Procedure
Measure → Ichrg = 750mA ± 100mA Measure → Iin = 475mA ± 25mA 5. Check Disable Charger. Turn off PS#1, turn off Load #2 and disconnect bq2415x YFF EVM SLUU321B – June 2008 – Revised May 2010 Copyright © 2008–2010, Texas Instruments Incorporated... -
Page 7: Pcb Layout Guideline
The PGND pins should be connected to the ground plane to return current through the internal low-side FET. SLUU321B – June 2008 – Revised May 2010 bq2415x YFF EVM Copyright © 2008–2010, Texas Instruments Incorporated... -
Page 8: Bill Of Materials, Board Layout And Schematics
"LQM2HPN1R0MJ0 or muRata or +/-30%, 1.5A MIPS2520D1R0 or FDK or MDT2520-CN1R0M or TOKO or CP1008" Inter-Technical 0.068 Resistor, Chip, ERJ-2BWJR068X Panasonic 68mohm, 125mW, 5% bq2415x YFF EVM SLUU321B – June 2008 – Revised May 2010 Copyright © 2008–2010, Texas Instruments Incorporated... - Page 9 Li-Polymer Battery BQ24158YF IC, Battery Charger for WCSP BQ24158YFF Single-Cell Li-Ion and Li-Polymer Battery HPA256 PCB, 2.0 In x 2.0 In x 0.031 In SLUU321B – June 2008 – Revised May 2010 bq2415x YFF EVM Copyright © 2008–2010, Texas Instruments Incorporated...
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Page 10: Board Layout
Bill of Materials, Board Layout and Schematics www.ti.com Board Layout Figure 6. Top Layer Figure 7. Bottom Layer bq2415x YFF EVM SLUU321B – June 2008 – Revised May 2010 Copyright © 2008–2010, Texas Instruments Incorporated... -
Page 11: Top Assembly
Bill of Materials, Board Layout and Schematics www.ti.com Figure 8. Top Assembly Figure 9. Top Silk SLUU321B – June 2008 – Revised May 2010 bq2415x YFF EVM Copyright © 2008–2010, Texas Instruments Incorporated... -
Page 12: Schematic
Bill of Materials, Board Layout and Schematics www.ti.com Schematic bq2415x YFF EVM SLUU321B – June 2008 – Revised May 2010 Copyright © 2008–2010, Texas Instruments Incorporated... - Page 13 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.
- Page 14 IMPORTANT NOTICE Texas Instruments Incorporated and its subsidiaries (TI) reserve the right to make corrections, modifications, enhancements, improvements, and other changes to its products and services at any time and to discontinue any product or service without notice. Customers should obtain the latest relevant information before placing orders and should verify that such information is current and complete.
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