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This user's guide describes the features and operation of the bq24450EVM Evaluation Module (EVM).
This EVM assists users in evaluating the bq24450 linear battery charger. The manual includes the
bq24450EVM bill of materials, board layout, and schematic.
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Recommended Operating Conditions
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Bill of Materials
SLUU464 - November 2010
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© 2010, Texas Instruments Incorporated
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List of Figures
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List of Tables
User's Guide
SLUU464 - November 2010
bq24450EVM
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bq24450EVM
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Table of Contents
Related Manuals for Texas Instruments BQ24450EVM
Summary of Contents for Texas Instruments BQ24450EVM
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Page 1: Table Of Contents
This user's guide describes the features and operation of the bq24450EVM Evaluation Module (EVM). This EVM assists users in evaluating the bq24450 linear battery charger. The manual includes the bq24450EVM bill of materials, board layout, and schematic. Introduction EVM Features... -
Page 2: Sluu464 – November
. It can connect I TAPER It can connect I MAX. © 2010, Texas Instruments Incorporated www.ti.com to either side of the sense SNSM to either side of the sense resistor, R4. SLUU464 – November 2010... -
Page 3: Recommended Operating Conditions
7. Verify the jumpers are placed correctly as per, Figure 1. Original Test Setup for HPA691 (bq24450 EVM) SLUU464 – November 2010 Submit Documentation Feedback Table 2. Recommended Operating Conditions Figure Figure Figure © 2010, Texas Instruments Incorporated Equipment Max Unit 9.5 10.0 10.5 bq24450EVM... -
Page 4: Procedure
Using VM #3, measure the voltage across the current sense resistor on Load #1. Multiply this value by a conversion factor of 10A/V. This is the max charge current. bq24450EVM © 2010, Texas Instruments Incorporated www.ti.com SLUU464 – November 2010... -
Page 5: Functions And Features
250mV and V Max-Chg ILIM is desired, R4 can be populated (with a non-zero resistor) TAPER Figure 3. Calculating the Value of I © 2010, Texas Instruments Incorporated Functions and Features is 25mV and both are being ISNS TAPER bq24450EVM... -
Page 6: Options For External Transistor
2. The high current charge paths into IN pin and from the OUT pin must be sized appropriately for the maximum charge current in order to avoid voltage drops in these traces. bq24450EVM © 2010, Texas Instruments Incorporated www.ti.com SLUU464 – November 2010... -
Page 7: Bill Of Materials, Board Layouts And Schematic
SLUU464 – November 2010 Submit Documentation Feedback Bill of Materials, Board Layouts and Schematic Table 3. Bill of Materials Size 1206 DPAK 2010 2010 SO-16 © 2010, Texas Instruments Incorporated Part Number ES2AA-13-F Diodes, Inc. MJD32CT4 CRCW20100000Z0EF Vishay BQ24450D bq24450EVM... -
Page 8: Board Layout
Bill of Materials, Board Layouts and Schematic www.ti.com Board Layout Figure 4. Top Assembly Layer Figure 5. Top PCB Layer bq24450EVM SLUU464 – November 2010 Submit Documentation Feedback © 2010, Texas Instruments Incorporated... -
Page 9: Schematic
Bill of Materials, Board Layouts and Schematic www.ti.com Figure 6. Bottom PCB Layer Schematic Figure 7. bq24450 EVM Schematic SLUU464 – November 2010 bq24450EVM Submit Documentation Feedback © 2010, Texas Instruments Incorporated... -
Page 10: 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 11: 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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