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bq2461x/bq2463x EVM (HPA422) Multi-Cell Synchronous
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1.1
1.2
1.3
1.4
1.5
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Controls and Key Parameters Setting
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Recommended Operating Conditions
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Bill of Materials
SLUU396A - January 2010 - Revised July 2010
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bq2461x/bq2463x EVM (HPA422) Multi-Cell Synchronous Switch-Mode Charger
Copyright © 2010, Texas Instruments Incorporated
SLUU396A - January 2010 - Revised July 2010
Switch-Mode Charger
Contents
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List of Figures
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List of Tables
User's Guide
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Table of Contents
Related Manuals for Texas Instruments bq2461 Series
Summary of Contents for Texas Instruments bq2461 Series
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Page 1: Table Of Contents
List of Tables ....................... I/O Description ..................Controls and Key Parameters Setting ..................Recommended Operating Conditions ......................Bill of Materials SLUU396A – January 2010 – Revised July 2010 bq2461x/bq2463x EVM (HPA422) Multi-Cell Synchronous Switch-Mode Charger Copyright © 2010, Texas Instruments Incorporated... -
Page 2: Introduction
J4–VREF IC reference voltage VREF J4–TS Temperature Qualification Voltage Input J5–VSYS Connected to system J5–VBAT Connected to battery pack bq2461x/bq2463x EVM (HPA422) Multi-Cell Synchronous Switch-Mode Charger SLUU396A – January 2010 – Revised July 2010 Copyright © 2010, Texas Instruments Incorporated... -
Page 3: 1.4 Controls And Key Parameters Setting
The bq2461x/bq2463x EVM board requires a regulated supply approximately 0.5 V minimum above the regulated voltage of the battery pack to a maximum input voltage of 28 VDC. SLUU396A – January 2010 – Revised July 2010 bq2461x/bq2463x EVM (HPA422) Multi-Cell Synchronous Switch-Mode Charger Copyright © 2010, Texas Instruments Incorporated... -
Page 4: Test Summary
A Kepco bipolar operational power supply/amplifier, 0 ±30V (or above), 0 ±6A (or above). 2.2.4 Oscilloscope Tektronix TDS3054 scope or equivalent, 10X voltage probe. bq2461x/bq2463x EVM (HPA422) Multi-Cell Synchronous Switch-Mode Charger SLUU396A – January 2010 – Revised July 2010 Copyright © 2010, Texas Instruments Incorporated... -
Page 5: Equipment Setup
Power STAT1 VREF sup ply #2 /STAT1 /STAT2 /ACDRV /BATDRV Figure 1. Original Test Setup for HPA422 (bq2461x/bq2463x EVM) SLUU396A – January 2010 – Revised July 2010 bq2461x/bq2463x EVM (HPA422) Multi-Cell Synchronous Switch-Mode Charger Copyright © 2010, Texas Instruments Incorporated... -
Page 6: Procedure
Observe → D7 (STAT1) off; D8 (STAT2) on. 9. Decrease the Load #2 output voltage back to 16.5V. Observe → D7 (STAT1) on; D8 (STAT2) off. bq2461x/bq2463x EVM (HPA422) Multi-Cell Synchronous Switch-Mode Charger SLUU396A – January 2010 – Revised July 2010 Copyright © 2010, Texas Instruments Incorporated... -
Page 7: Pcb Layout Guideline
7. Decoupling capacitor(s) for the charger input must be placed close to top buck FET's drain and bottom buck FET’s source. SLUU396A – January 2010 – Revised July 2010 bq2461x/bq2463x EVM (HPA422) Multi-Cell Synchronous Switch-Mode Charger Copyright © 2010, Texas Instruments Incorporated... -
Page 8: Bill Of Materials, Board Layout And Schematics
0.520 sq inch IHLP5050CEE Vishay R8R2M01 PEC02SAAN JP2,JP4,JP5 Header, 2 pin, 100mil spacing, 0.100 inch x 2 PEC02SAAN Sullins bq2461x/bq2463x EVM (HPA422) Multi-Cell Synchronous Switch-Mode Charger SLUU396A – January 2010 – Revised July 2010 Copyright © 2010, Texas Instruments Incorporated... - Page 9 Terminal Block, 2 pin, 15A, 5.1mm 0.40 x 0.35 ED120/2DS inch ED120/4DS Terminal Block, 4 pin, 15A, 5.1mm 0.80 x 0.35 ED120/4DS inch SLUU396A – January 2010 – Revised July 2010 bq2461x/bq2463x EVM (HPA422) Multi-Cell Synchronous Switch-Mode Charger Copyright © 2010, Texas Instruments Incorporated...
- Page 10 3M/ESD spacing STANDOFF M/F HEX 6-32 NYL .500" 4816 Keystone 6-32 NYL Hex nuts NY HN 632 Building Fasteners bq2461x/bq2463x EVM (HPA422) Multi-Cell Synchronous Switch-Mode Charger SLUU396A – January 2010 – Revised July 2010 Copyright © 2010, Texas Instruments Incorporated...
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Page 11: Board Layout
Board Layout www.ti.com Board Layout Figure 2. Top Layer SLUU396A – January 2010 – Revised July 2010 bq2461x/bq2463x EVM (HPA422) Multi-Cell Synchronous Switch-Mode Charger Copyright © 2010, Texas Instruments Incorporated... -
Page 12: Nd Layer
Board Layout www.ti.com Figure 3. 2 Layer bq2461x/bq2463x EVM (HPA422) Multi-Cell Synchronous Switch-Mode Charger SLUU396A – January 2010 – Revised July 2010 Copyright © 2010, Texas Instruments Incorporated... -
Page 13: Rd Layer
Board Layout www.ti.com Figure 4. 3 Layer SLUU396A – January 2010 – Revised July 2010 bq2461x/bq2463x EVM (HPA422) Multi-Cell Synchronous Switch-Mode Charger Copyright © 2010, Texas Instruments Incorporated... -
Page 14: Bottom Layer
Board Layout www.ti.com Figure 5. Bottom Layer bq2461x/bq2463x EVM (HPA422) Multi-Cell Synchronous Switch-Mode Charger SLUU396A – January 2010 – Revised July 2010 Copyright © 2010, Texas Instruments Incorporated... -
Page 15: Top Assembly
Board Layout www.ti.com Figure 6. Top Assembly SLUU396A – January 2010 – Revised July 2010 bq2461x/bq2463x EVM (HPA422) Multi-Cell Synchronous Switch-Mode Charger Copyright © 2010, Texas Instruments Incorporated... -
Page 16: Bottom Assembly
Board Layout www.ti.com Figure 7. Bottom Assembly bq2461x/bq2463x EVM (HPA422) Multi-Cell Synchronous Switch-Mode Charger SLUU396A – January 2010 – Revised July 2010 Copyright © 2010, Texas Instruments Incorporated... -
Page 17: Top Silkscreen
Board Layout www.ti.com Figure 8. Top Silkscreen SLUU396A – January 2010 – Revised July 2010 bq2461x/bq2463x EVM (HPA422) Multi-Cell Synchronous Switch-Mode Charger Copyright © 2010, Texas Instruments Incorporated... -
Page 18: Bottom Silkscreen
Board Layout www.ti.com Figure 9. Bottom Silkscreen bq2461x/bq2463x EVM (HPA422) Multi-Cell Synchronous Switch-Mode Charger SLUU396A – January 2010 – Revised July 2010 Copyright © 2010, Texas Instruments Incorporated... -
Page 19: Schematics
Schematics www.ti.com Schematics Figure 10. bq2461x/bq2463x EVM Schematic SLUU396A – January 2010 – Revised July 2010 bq2461x/bq2463x EVM (HPA422) Multi-Cell Synchronous Switch-Mode Charger Copyright © 2010, Texas Instruments Incorporated... - Page 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.
- Page 21 TI products. TI’s provision of these resources does not expand or otherwise alter TI’s applicable warranties or warranty disclaimers for TI products. TI objects to and rejects any additional or different terms you may have proposed. IMPORTANT NOTICE Mailing Address: Texas Instruments, Post Office Box 655303, Dallas, Texas 75265 Copyright © 2021, Texas Instruments Incorporated...