Texas Instruments SLUU477 User Manual
Texas Instruments SLUU477 User Manual

Texas Instruments SLUU477 User Manual

800ma, single-input, single cell li-ion battery solar charger with power path

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800mA, Single-Input, Single Cell Li-Ion Battery Solar
This user's guide describes the features and operation of the bq24210EVM Evaluation Module (EVM). The
EVM assists users in evaluating the bq24210 solar chager. The EVM is also called the HPA678. The
manual includes the bq24210EVM bill of materials, board layout, and schematic.
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Control and Key Parameters Setting
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Recommendd Operating Conditions
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Bill of Materials
SLUU477 - December 2010
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800mA, Single-Input, Single Cell Li-Ion Battery Solar Charger with Power Path
© 2010, Texas Instruments Incorporated
Charger with Power Path
Contents
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List of Figures
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List of Tables
User's Guide
SLUU477 - December 2010
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Summary of Contents for Texas Instruments SLUU477

  • Page 1: Table Of Contents

    Bottom Layer bq24210 EVM Schematic I/O Description Control and Key Parameters Setting Recommendd Operating Conditions Bill of Materials SLUU477 – December 2010 Submit Documentation Feedback Charger with Power Path Contents List of Figures List of Tables 800mA, Single-Input, Single Cell Li-Ion Battery Solar Charger with Power Path ©...
  • Page 2: Sluu477 – December

    Programs the input voltage regulation threshold Charge status indication Chip enable control Power present indication Programs the fast-charge current setting TS bias reference voltage pin, regulated output Ground © 2010, Texas Instruments Incorporated www.ti.com SLUU477 – December 2010 Submit Documentation Feedback...
  • Page 3: Control And Key Parameters Setting

    The termination and pre-charge current are internally set at 10% and 20% of fast charge current respectively. The pre-charge-to-fast-charge, V Connecting JP1 set 500mADC for fast charge current and 100mADC for pre-charge current on EVM. SLUU477 – December 2010 Submit Documentation Feedback Table 2. Control and Key Parameters Setting Table 3.
  • Page 4: Test Summary

    4. Precautions should be observed to avoid touching areas of the assembly that may get hot or present a shock hazard during testing. Quality 1. Test data shall be made available upon request by Texas Instruments. Apparel 1. Electrostatic smock 2.
  • Page 5: Equipment

    6. Check all jumper shunts. JP1: OFF; JP2: OFF; JP3: OFF; JP4: OFF; JP5: connect 1-2 (External TS); JP6: connect 2-3 (VBUS); JP7: connect 1-2 (charger OFF). Power supply Figure 1. Original Test Setup for HPA678 (bq24210 EVM) SLUU477 – December 2010 Submit Documentation Feedback BQ24210 EVM HPA678...
  • Page 6: Procedure

    2. Decoupling capacitors for VBUS, BATC should make the interconnections to the IC as short as possible. 3. Take the EVM layout for design reference. 800mA, Single-Input, Single Cell Li-Ion Battery Solar Charger with Power Path 200mV © 2010, Texas Instruments Incorporated www.ti.com SLUU477 – December 2010 Submit Documentation Feedback...
  • Page 7: Bill Of Materials, Board Layout And Schematics

    IC, 800mA, Single-Input, Single Cell Li-Ion Battery Solar Charger with bi-directional Power Path — Shunt, 100-mil, Black — — Label SLUU477 – December 2010 Submit Documentation Feedback Bill of Materials, Board Layout and Schematics Table 4. Bill of Materials SIZE 1206 0603...
  • Page 8: Board Layout

    Bill of Materials, Board Layout and Schematics www.ti.com Board Layout Figure 2. Top Assembly 800mA, Single-Input, Single Cell Li-Ion Battery Solar Charger with Power Path SLUU477 – December 2010 Submit Documentation Feedback © 2010, Texas Instruments Incorporated...
  • Page 9: Sluu477 – December 2010 800Ma, Single-Input, Single Cell Li-Ion Battery Solar Charger With Power Path

    Bill of Materials, Board Layout and Schematics www.ti.com Figure 3. Top Layer SLUU477 – December 2010 800mA, Single-Input, Single Cell Li-Ion Battery Solar Charger with Power Path Submit Documentation Feedback © 2010, Texas Instruments Incorporated...
  • Page 10: Bottom Layer

    Bill of Materials, Board Layout and Schematics www.ti.com Figure 4. Bottom Layer 800mA, Single-Input, Single Cell Li-Ion Battery Solar Charger with Power Path SLUU477 – December 2010 Submit Documentation Feedback © 2010, Texas Instruments Incorporated...
  • Page 11: Schematics

    Bill of Materials, Board Layout and Schematics www.ti.com Schematics Figure 5. bq24210 EVM Schematic SLUU477 – December 2010 800mA, Single-Input, Single Cell Li-Ion Battery Solar Charger with Power Path Submit Documentation Feedback © 2010, Texas Instruments Incorporated...
  • Page 12: Evaluation Board/Kit Important Notice

    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 13: 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. All products are sold subject to TI’s terms and conditions of sale supplied at the time of order acknowledgment.

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Bq24210evm

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