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Texas Instruments bq24190 User Manual Download Page 11

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Board Layout, Schematic, and Bill of Materials

4

Board Layout, Schematic, and Bill of Materials

4.1

Board Layout

Figure 6

through

Figure 11

illustrate the board layouts for this EVM.

Figure 6. bq24x9xEVM Top Layer

11

SLUUA14A – October 2012 – Revised April 2013

bq24190/2/2i/3/6 and bq24292i EVM (PWR021) User’s Guide

Submit Documentation Feedback

Copyright © 2012–2013, Texas Instruments Incorporated

Summary of Contents for bq24190

Page 1: ...419x Evaluation Software 6 4 CHG Mode Ripple and Duty Cycle VBUS 5 V VBAT 3 7 V 8 5 Boost Mode Ripple and Duty Cycle VBAT 3 7 V 9 6 bq24x9xEVM Top Layer 11 7 bq24x9xEVM Second Layer 12 8 bq24x9xEVM Th...

Page 2: ...available on this EVM Table 1 EVM Connections Jack Description J1 PMID PMID pin connection Power bank output J1 VBUS Input positive terminal J1 GND Input negative terminal ground terminal J2 SYS Conn...

Page 3: ...nstalled GUI also can pull CE low JP6 For bq24190 input current limit setting bq24190 installed bq24190 2 2i 3 6 and bq24292i Not installed JP7 TS1 resistor divider pull up source REGN connection Inst...

Page 4: ...ost Mode PMID to GND load 10 5 W or greater 2 1 4 Meters Six Fluke 75 multimeters equivalent or better Or Four equivalent voltage meters and two equivalent current meters The current meters must be ca...

Page 5: ...ff disable Load Connect Load in series with a current meter multimeter ground side to J2 BAT and GND as shown in Figure 2 5 Connect a voltage meter across J2 BAT and GND 6 Connect the HPA172 USB inter...

Page 6: ...est value for max input current by connecting an ohm meter between point TP9 and ground Turn the screw on the potentiometer counterclockwise until the resistance drops to its lowest point this should...

Page 7: ...V 7 Set Fast Charge Current ICHG to 512 mA 8 Set Pre Charge Current to 256 mA 9 Deselect Enable Termination see the following image 10 Click the Read button twice Observe Everything normal at FAULT b...

Page 8: ...5 Verify Scope Measurements See Figure 4 500 ns div C1 AC coupled 20 mV div Vac_PMID TP20 to GND Ripple excluding high frequency spikes 10 mV C2 5 V div Vdc_SW TP2 Frequency between 1 25 MHz and 1 5 M...

Page 9: ...igure 6 C1 AC coupled 20 mV div Vac_PMID TP20 to GND Ripple excluding high frequency spikes C2 5 V div Vdc_SW TP2 Frequency between 1 2 MHz and 1 7 MHz Duty cycle between 67 and 74 Figure 5 Boost Mode...

Page 10: ...ace connection or GND plane 4 Route analog ground separately from power ground Connect analog ground and connect power ground separately Connect analog ground and power ground together using power pad...

Page 11: ...als 4 1 Board Layout Figure 6 through Figure 11 illustrate the board layouts for this EVM Figure 6 bq24x9xEVM Top Layer 11 SLUUA14A October 2012 Revised April 2013 bq24190 2 2i 3 6 and bq24292i EVM PW...

Page 12: ...Materials www ti com Figure 7 bq24x9xEVM Second Layer 12 bq24190 2 2i 3 6 and bq24292i EVM PWR021 User s Guide SLUUA14A October 2012 Revised April 2013 Submit Documentation Feedback Copyright 2012 20...

Page 13: ...and Bill of Materials Figure 8 bq24x9xEVM Third Layer 13 SLUUA14A October 2012 Revised April 2013 bq24190 2 2i 3 6 and bq24292i EVM PWR021 User s Guide Submit Documentation Feedback Copyright 2012 20...

Page 14: ...Materials www ti com Figure 9 bq24x9xEVM Bottom Layer 14 bq24190 2 2i 3 6 and bq24292i EVM PWR021 User s Guide SLUUA14A October 2012 Revised April 2013 Submit Documentation Feedback Copyright 2012 20...

Page 15: ...and Bill of Materials Figure 10 bq24x9xEVM Top Assembly 15 SLUUA14A October 2012 Revised April 2013 bq24190 2 2i 3 6 and bq24292i EVM PWR021 User s Guide Submit Documentation Feedback Copyright 2012 2...

Page 16: ...aterials www ti com Figure 11 bq24x9xEVM Bottom Assembly 16 bq24190 2 2i 3 6 and bq24292i EVM PWR021 User s Guide SLUUA14A October 2012 Revised April 2013 Submit Documentation Feedback Copyright 2012...

Page 17: ...P16 TP17 JP7 C1 1 0uF C2 C4 6 8uF C7 10uF C8 10uF C9 0 1uF C11 10uF TP18 R8 10 0k JP5 1 2 3 4 5 6 7 8 9 10 J3 R9 R23 R6 R11 10 0k JP4 R3 10 0k R4 200 JP6 R5 10 0k JP3 R24 768 R15 10 0k C13 0 1uF C14 0...

Page 18: ...ing 4 Wall 0 338 x 0 788 inch N2510 6002RB 3M 1 1 1 1 1 1 J4 ED555 4DS Terminal Block 4 pin 6 A 3 5mm 0 55 x 0 25 inch ED555 4DS OST 2 2 2 2 2 2 J5 6 PEC02SAAN Header Male 2 pin 100mil spacing 0 100 i...

Page 19: ...Adaptor Charger With Narrow QFN 24 BQ24193RGE TI VDC Power Path Management and USB OTG 0 0 0 0 1 0 U1 BQ24196RGE IC I2C Controlled 2 5A Single Cell USB Adaptor Charger With Narrow QFN 24 BQ24196RGE TI...

Page 20: ...ncy energy and has not been tested for compliance with the limits of computing devices pursuant to part 15 of FCC or ICES 003 rules which are designed to provide reasonable protection against radio fr...

Page 21: ...na type and its gain should be so chosen that the equivalent isotropically radiated power e i r p is not more than that necessary for successful communication This radio transmitter has been approved...

Page 22: ...roduct only after you obtained the license of Test Radio Station as provided in Radio Law of Japan with respect to this product or 3 Use of this product only after you obtained the Technical Regulatio...

Page 23: ...property damage personal injury or death If there are questions concerning these ratings please contact a TI field representative prior to connecting interface electronics including input power and in...

Page 24: ...sponsible for compliance with all legal regulatory and safety related requirements concerning its products and any use of TI components in its applications notwithstanding any applications related inf...

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