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Texas Instruments BQ24800EVM Скачать руководство пользователя страница 11

Board Layout, Schematic, and Bill of Materials

11

SLUUC60 – February 2020

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Copyright © 2020, Texas Instruments Incorporated

BQ24800 EVM

5

Board Layout, Schematic, and Bill of Materials

This section contains the

BQ24800EVM PCB layouts

, and

bill of materials

5.1

BQ24800EVM PCB Layouts

through

show the PCB layouts for the BQ24800EVM.

Figure 5. Top Assembly

Figure 6. Top Layer

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Содержание BQ24800EVM

Страница 1: ...3 1 4 Recommended Operating Conditions 4 2 Test Summary 4 2 1 Equipment 4 2 2 Equipment Setup 5 3 Procedure 7 3 1 AC Adapter Detection Threshold 7 3 2 Charger Parameter Settings 7 3 3 Charge Current a...

Страница 2: ...mit Documentation Feedback Copyright 2020 Texas Instruments Incorporated BQ24800 EVM 4 EV2400 and BQ24800 EVM Connections 5 5 BQ24800EVM Bill of Materials 15 Trademarks Microsoft Windows are registere...

Страница 3: ...parameter settings of the EVM Table 2 Controls and Key Parameters Settings Jack Description Factory Setting JP1 Connect battery positive input BAT to TPS3898 SENSE pin through resistor divider R33 R34...

Страница 4: ...ain the equipment and the equipment setup 2 1 Equipment 2 1 1 Power Supplies Power Supply 1 PS 1 a power supply capable of supplying 20 V at 5 A is required Power Supply 2 PS 2 a power supply capable...

Страница 5: ...file already exists and is newer do not overwrite the newer file Click Finish 2 2 Equipment Setup Set power supply 1 PS 1 for 0 V 100 mVDC with the current limit set to 5 A Turn off supply Connect PS...

Страница 6: ...vious steps the test setup for BMS031 appears as shown in Figure 2 Figure 2 Original Test Setup for BQ24800 EVM BMS031 Turn on the computer Launch the bqstudio evaluation software and select charger a...

Страница 7: ...in software window click the Refresh button on the top right corner Make sure there is no error information 1 Type 512 mA in ChargeCurrent Register and click OK This sets the battery charge current re...

Страница 8: ...easure IIN 4100 mA 400 mA Measure V TP14 IADP 820 mV 100 mV 5 Turn off the Load 1 Measure ISYS 0 100 mA IBAT 3000 mA 300 mA 3 4 Hybrid Boost Mode Use the following steps for hybrid boost mode 1 Enter...

Страница 9: ...threshold for battery boost to 10 24 V 5 Reduce the voltage of PS 2 to 9 0 V to enter battery only boost mode Measure V TP3 VBATT 9 0 V 300 mV Measure V TP2 VSYS 12 0 V 600 mV 3 6 Power Path Selection...

Страница 10: ...xt to the inductor output Route the sense leads connected across the sensing resistor back to the IC in same layer close to each other minimize loop area and do not route the sense leads through a hig...

Страница 11: ...ight 2020 Texas Instruments Incorporated BQ24800 EVM 5 Board Layout Schematic and Bill of Materials This section contains the BQ24800EVM PCB layouts schematic and bill of materials 5 1 BQ24800EVM PCB...

Страница 12: ...Layout Schematic and Bill of Materials www ti com 12 SLUUC60 February 2020 Submit Documentation Feedback Copyright 2020 Texas Instruments Incorporated BQ24800 EVM Figure 7 Mid Layer 1 Figure 8 Mid La...

Страница 13: ...om Board Layout Schematic and Bill of Materials 13 SLUUC60 February 2020 Submit Documentation Feedback Copyright 2020 Texas Instruments Incorporated BQ24800 EVM Figure 9 Bottom Layer Figure 10 Bottom...

Страница 14: ...terials www ti com 14 SLUUC60 February 2020 Submit Documentation Feedback Copyright 2020 Texas Instruments Incorporated BQ24800 EVM 5 2 Schematic The BQ24800EVM Figure 11 schematic is provided for ref...

Страница 15: ...25 V 10 X7R 0603 0603 C0603C104K3RACTU Kemet C35 1 1 F CAP CERM 1 F 35 V 20 X5R 0402 0402 GRM155R6YA105ME11D MuRata C36 1 2 2 F CAP CERM 2 2 F 10 V 20 X5R 0402 0402 885012105013 Wurth Elektronik C37 C...

Страница 16: ...oint Miniature Red TH Red Miniature Testpoint 5000 Keystone TP2 TP4 TP6 3 Test Point Compact SMT Testpoint_Keyston e_Compact 5016 Keystone TP7 TP8 TP9 TP10 TP11 TP12 TP13 TP14 TP15 TP16 TP17 TP18 TP19...

Страница 17: ...mit Documentation Feedback Copyright 2020 Texas Instruments Incorporated BQ24800 EVM Table 5 BQ24800EVM Bill of Materials continued Designator Qty Value Description Package Reference PartNumber Manufa...

Страница 18: ...ther than TI b the nonconformity resulted from User s design specifications or instructions for such EVMs or improper system design or c User has not paid on time Testing and other quality control tec...

Страница 19: ...These limits are designed to provide reasonable protection against harmful interference in a residential installation This equipment generates uses and can radiate radio frequency energy and if not in...

Страница 20: ...instructions set forth by Radio Law of Japan which includes but is not limited to the instructions below with respect to EVMs which for the avoidance of doubt are stated strictly for convenience and s...

Страница 21: ...any interfaces electronic and or mechanical between the EVM and any human body are designed with suitable isolation and means to safely limit accessible leakage currents to minimize the risk of electr...

Страница 22: ...R DAMAGES ARE CLAIMED THE EXISTENCE OF MORE THAN ONE CLAIM SHALL NOT ENLARGE OR EXTEND THIS LIMIT 9 Return Policy Except as otherwise provided TI does not offer any refunds returns or exchanges Furthe...

Страница 23: ...e resources are subject to change without notice TI grants you permission to use these resources only for development of an application that uses the TI products described in the resource Other reprod...

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