Texas Instruments BQ24351EVM - Manuals

Page 2 - Introduction; General Description

Introduction www.ti.com 1 Introduction 1.1 General Description The bq24351 evaluation module (EVM) is a complete charger module for evaluating a charger front-endprotection and charger solution using the bq24351 and bq2057C devices. It is designed to deliver up to560 mA of charge current to Li-ion o...

Page 3 - Controls and Key Parameters Setting; Test Summary; Definitions; Power Supplies

www.ti.com Test Summary 1.4 Controls and Key Parameters Setting Jack (1) Description Factory Setting JP1 If on, high-side sensing resistor is disabled Jumper on JP2 Reserved for other ICs Jumper (BATEN, GND) on JP3 bq24351 GATDRV pin Jumper off JP4 bq2057C BAT pin connection to bq24351 Jumper on JP5...

Page 4 - Supply 1; Load; Meters; Equipment Setup; Figure 1

F A U LT V B A T G A T D R V C H G IN B A T E N O U T B A T + G N D HPA666 bq24351EVM JP7 V Supply 1 J1 DC+ JP1 U1 J4 BAT+ V I 2 Ibat CFET APPLICATIONCIRCUIT JP6 JP5 JP4 JP3 JP2 U2 J2 J3 I I Load 1 Test Summary www.ti.com 2.2.2 Load 1 A 10-V (or above), 2-A (or above) electronic load that can operat...

Page 5 - Procedure; Charger Current and Voltage Regulation; Ensure that steps in; CFET Input Overvoltage Protection; PCB Layout Guideline; interconnections to the IC as short as possible.

www.ti.com PCB Layout Guideline 2.4 Procedure 2.4.1 Charger Current and Voltage Regulation 1. Ensure that steps in Section 2.3 are followed. 2. Enable output of PS 1.3. Increase the output voltage of PS 1 to 5 V ±0.1 V.4. Enable the output of load 2. Measure → V(J2(OUT)) = 3.6 V ±200 mV Measure → Ib...

Page 6 - Bill of Materials, Board Layout, and Schematic; Bill of Materials; Table 1. Bill of Materials

Bill of Materials, Board Layout, and Schematic www.ti.com 4 Bill of Materials, Board Layout, and Schematic 4.1 Bill of Materials Table 1. Bill of Materials bq24351 RefDes Value Description Size Part Number MFR 1 C1 1 µF Capacitor, ceramic, 35-V, X5R, 10% 603 Std Std 3 C2, C3, C5 1 µF Capacitor, cera...

Page 7 - Board Layout

C001 www.ti.com Bill of Materials, Board Layout, and Schematic 4.2 Board Layout Figure 2. Top Layer 7 SLUU455 – October 2010 bq24351EVM for Li-Ion Charger Front-End Protection IC Submit Documentation Feedback Copyright © 2010, Texas Instruments Incorporated

Page 8 - Figure 3. Bottom Layer

C002 Bill of Materials, Board Layout, and Schematic www.ti.com Figure 3. Bottom Layer 8 bq24351EVM for Li-Ion Charger Front-End Protection IC SLUU455 – October 2010 Submit Documentation Feedback Copyright © 2010, Texas Instruments Incorporated

Page 9 - Figure 4. Top Silk Screen

C003 www.ti.com Bill of Materials, Board Layout, and Schematic Figure 4. Top Silk Screen 9 SLUU455 – October 2010 bq24351EVM for Li-Ion Charger Front-End Protection IC Submit Documentation Feedback Copyright © 2010, Texas Instruments Incorporated

Page 10 - Figure 5. Top Assembly

C004 Bill of Materials, Board Layout, and Schematic www.ti.com Figure 5. Top Assembly 10 bq24351EVM for Li-Ion Charger Front-End Protection IC SLUU455 – October 2010 Submit Documentation Feedback Copyright © 2010, Texas Instruments Incorporated

Page 11 - Schematic

CAUTION: Device may have surface temperature in excess of 60°C when unit is operational. www.ti.com Bill of Materials, Board Layout, and Schematic 4.3 Schematic Figure 6. bq24351 Schematic 11 SLUU455 – October 2010 bq24351EVM for Li-Ion Charger Front-End Protection IC Submit Documentation Feedback C...

Page 13 - IMPORTANT NOTICE

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 shouldobtain the l...