Texas Instruments bq2400 Series User Manual Download Page 2

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.

TI warrants performance of its hardware products to the specifications applicable at the time of sale in
accordance with TI’s standard warranty. Testing and other quality control techniques are used to the extent TI
deems necessary to support this warranty. Except where mandated by government requirements, testing of all
parameters of each product is not necessarily performed.

TI assumes no liability for applications assistance or customer product design. Customers are responsible for
their products and applications using TI components. To minimize the risks associated with customer products
and applications, customers should provide adequate design and operating safeguards.

TI does not warrant or represent that any license, either express or implied, is granted under any TI patent right,
copyright, mask work right, or other TI intellectual property right relating to any combination, machine, or process
in which TI products or services are used. Information published by TI regarding third–party products or services
does not constitute a license from TI to use such products or services or a warranty or endorsement thereof.
Use of such information may require a license from a third party under the patents or other intellectual property
of the third party, or a license from TI under the patents or other intellectual property of TI.

Reproduction of information in TI data books or data sheets is permissible only if reproduction is without
alteration and is accompanied by all associated warranties, conditions, limitations, and notices. Reproduction
of this information with alteration is an unfair and deceptive business practice. TI is not responsible or liable for
such altered documentation.

Resale of TI products or services with statements different from or beyond the parameters  stated by TI for that
product or service voids all express and any implied warranties for the associated TI product or service and
is an unfair and deceptive business practice. TI is not responsible or liable for any such statements.

Mailing Address:

Texas Instruments
Post Office Box 655303
Dallas, Texas 75265

Copyright 

 2002, Texas Instruments Incorporated

Summary of Contents for bq2400 Series

Page 1: ...July 2002 Advanced Analog Products User s Guide SLUU083A...

Page 2: ...t that any license either express or implied is granted under any TI patent right copyright mask work right or other TI intellectual property right relating to any combination machine or process in wh...

Page 3: ...charger which delivers up to 1 2 A of continuous charge current for one or two cell applications How to Use This Manual This document contains the following chapters Chapter 1 Introduction Chapter 2...

Page 4: ...lications 2 2 2 2 2 For Two Cell Applications 2 3 3 Physical Layouts 3 1 3 1 Board Layout 3 2 4 Bill of Materials 4 1 4 1 Bill of Materials 4 2 4 2 bq2400x Charge Status Configurations 4 3 A Schematic...

Page 5: ...Li ion bq2400x charge management solution for one and two cell battery pack applications This guide describes a complete designed and tested charger which delivers up to 1 0 A of continu ous charge c...

Page 6: ...tage phase The user can configure the device for cells with either coke or graphite anodes Charge is terminated by either of the following methods Maximum time Minimum current detection 1 2 Performanc...

Page 7: ...m fault High TBATMAX J2 set to Therm 43 48 53 C Therm fault Low TBATMIN J2 set to Therm 0 5 10 C APG user defined see data sheet J2 set to APG Power dissipation PD VI VO Iload 2 3 W VI for a 2 cell sh...

Page 8: ...2 1 Test Summary Test Summary This chapter shows the test setups used and the tests performed in designing the bq2400xEVM Topic Page 2 1 Setup 2 2 2 2 Test Procedures 2 2 Chapter 2...

Page 9: ...pers on J4 J4 0 5 A charge use two jumpers placed horizontally no jumpers on J3 J2 Adapter power good APD or battery s thermistor J5 Enable on or off J6 Regulation voltage 4 2 V or 4 1 V single cell 8...

Page 10: ...ed in the 0 5 A charge mode by using a 7 3 W resistor in place of the battery Apply the resistor after the unit is powered If the battery discharges down to the HighV threshold the charger starts fast...

Page 11: ...fast charge mode until either the selected time expires or the battery charges to the selected regulation voltage The timeout feature is tested in the 0 5 A charge mode by using a 14 5 W resistor in p...

Page 12: ...3 1 Physical Layouts Physical Layouts This chapter contains the board layout and assembly drawings for the SLUP051 EVM Topic Page 3 1 Board Layout 3 2 Chapter 3...

Page 13: ...oard Layout 3 2 3 1 Board Layout Figure 3 1 shows the top layer of the SLUP051 Figure 3 2 shows the bottom layer Figure 3 3 shows the SLUP051 top assembly view Figure 3 1 SLUP051 Board Layout Top Laye...

Page 14: ...Board Layout 3 3 Physical Layouts Figure 3 2 SLUP051 Board Layout Bottom Layer Figure 3 3 SLUP051 Top Assembly View...

Page 15: ...als This chapter contains the bill of materials required for the SLUP051 EVM It also specifies the charge status configurations for the bq2400x Topic Page 4 1 Bill of Materials 4 2 4 2 bq2400x Charge...

Page 16: ...Pin strip header 2 pin 3M 1 J9 ED350 3 ED1610 ND Terminal block 3 pin On shore 1 R1 CR0805 105113F Resistor 51 1 k 1 1 10W see Note 1 Venkel 805 1 R2 CR0805 10W3163JT Resistor 316 1 1 10W see Note 1 V...

Page 17: ...ns for the bq2400x Table 4 2 Charge Status Configurations Part Number Number of Cells Charge Status Configuration bq24001 Single cell Single LED bq24002 Single cell 2 LED bq24003 Single cell Bicolor L...

Page 18: ...A 1 Schematic Schematic This chapter contains the schematic diagram for the EVM Topic Page A 1 Schematic A 2 Appendix A...

Page 19: ...G VSEL EN APG THM ISNS VCC N C N C IN IN N C OUT OUT N C VCC VCC VCC A2 B2 B1 A1 2 1 GRN C A RED C A 2 1 3 2 1 EN JUMPER APG THM JUMPER APG MODE THERMISTOR MODE STAT 2 JUMPER SCHEMATIC ON OFF 4 1V 4 2...

Reviews: