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Texas Instruments bq51010BEVM-764, User Manual

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Texas Instruments bq51010BEVM-764 User Manual Download Page 15

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Layout and Bill of Material

7.1.2

Layout

Figure 9. bq51010BEVM-764 Top Assembly

Figure 10. bq51010BEVM-764 Top Layer

15

SLUUAE3A – August 2013 – Revised December 2013

bq51010BEVM-764 Evaluation Module (WCSP Package)

Submit Documentation Feedback

Copyright © 2013, Texas Instruments Incorporated

Summary of Contents for bq51010BEVM-764

Page 1: ... and Test Point Descriptions 3 4 3 Jumpers and Switches 3 4 4 Test Point Descriptions 4 4 5 Pin Description of the IC 5 5 Test Procedure 6 5 1 Definition 6 5 2 Recommended Test Equipment 6 5 3 Equipment Setup 7 5 4 Procedure 8 6 Test Results 10 6 1 Load Step 10 6 2 Load Dump 10 6 3 Start Up 11 6 4 Efficiency 12 6 5 Thermal Performance 12 7 Layout and Bill of Material 14 7 1 Layout 14 7 2 Bill of M...

Page 2: ...e max output current using variable resistor R16 2 Modifications Refer to the datasheet when changing components SLUSBB8 To aid in such customization of the EVM the board was designed with devices having 0603 or larger footprints A real implementation likely occupies less total board space Note that changing components can improve or degrade EVM performance 3 Recommended Operation Condition Table ...

Page 3: ...Output Voltage J4 GND Output voltage is 7 V in wireless power mode up to 750 mA 4 2 3 J5 TS and Return Connector External connection for temperature sense resistor see the datasheet for additional information 4 2 4 J6 Programming Connector This connector is populated and is only useful at the factory level for programming the IC 4 3 Jumpers and Switches The control jumpers are described in the fol...

Page 4: ...pin In the FIX position the current is set to a fixed value In the ADJ position the current is set by R16 4 4 Test Point Descriptions The test points are described in the following paragraphs 4 4 1 TP1 AD EN This push pull driver for the external PFET connects the adapter and the output from the bq51010B 4 4 2 TP2 AC Input 2 This is the test point for measuring AC voltage applied to the EVM from t...

Page 5: ...efore the regulator 4 4 13 TP13 TP14 TP15 GND These are the ground test points 4 4 14 TP16 TS Temp Sensor This is the connection point for external thermistor see the data sheet for additional information 4 4 15 TP17 FET Open Detection FOD Input for rectified power measurement pin F2 of the IC 4 4 16 TP18 ILIM Programming pin for over current limit pin G1 of the IC 4 5 Pin Description of the IC Ta...

Page 6: ...rminal or pin BBB of header xx JPx ON Internal jumper Jxx terminals are shorted JPx OFF Internal jumper Jxx terminals are open JPx YY ON Internal jumper Jxx adjacent terminals marked as YY are shorted Assembly drawings have location for jumpers test points and individual components 5 2 Recommended Test Equipment The following equipment is needed to complete this test procedure 5 2 1 Power Supplies...

Page 7: ...he load for 10 Ω 700 mA 5 3 3 Jumper Settings JP1 EN1 TERM and Low shorted JP2 EN2 and Low shorted JP3 TS and DIS shorted JP4 Pullup and Vz shorted JP5 Open JP6 ILIM and ADJ shorted 5 3 4 Meters Connect ammeter to measure 19 V input current to transmitter Connect voltmeter to monitor input voltage at J1 and J2 of TX unit On UUT a voltmeter is used to measure output voltage at TP7 with ground at J4...

Page 8: ... 200 µA Put the receiver EVM on the transmitter coil and align them correctly After 5 seconds verify that 1 Transmitter Status LED D5 is flashing green for approximately 1 second 2 The transmitter beeps 3 Transmitter LED D2 still ON 4 Receiver LED D1 is ON UUT Verify that Vout is 6 9 V to 7 1 V between J3 or TP7 and J4 UUT Verify that rectified voltage should be 10 V to 7 5 V between TP12 and TP13...

Page 9: ...ect 6 V 200 mV power supply with current limit set to 1 0 A to J1 and return to J2 on the HPA764 005 receiver Adjust load current to 700 mA 50 mA Turn on power supply Verify that 1 UUT TP7 VOUT is 6 5 V to 7 1 V 2 Transmitter Status LED D5 is off 9 SLUUAE3A August 2013 Revised December 2013 bq51010BEVM 764 Evaluation Module WCSP Package Submit Documentation Feedback Copyright 2013 Texas Instrument...

Page 10: ... shown in Figure 3 Figure 3 Load Step 0 mA to 600 mA 6 2 Load Dump The procedure for load dump is as follows Set up the test bench as described in Section 5 Power TX with 19 V Provide a load dump from 14 Ω or 500 mA if using a current source load to no load high impedance Monitor load current rectifier voltage and output voltage as shown in Figure 4 10 bq51010BEVM 764 Evaluation Module WCSP Packag...

Page 11: ...demonstrates start up Set up the test bench as described in Section 5 Power TX with 19 V Trigger scope sweep on TP2 AC IN 11 SLUUAE3A August 2013 Revised December 2013 bq51010BEVM 764 Evaluation Module WCSP Package Submit Documentation Feedback Copyright 2013 Texas Instruments Incorporated ...

Page 12: ...r the bq51010B versus IOUT 6 5 Thermal Performance This section shows a thermal image of the bq51010BEVM 764 A 7 0 V output is used at a 720 mA load There is no air flow and the ambient temperature is 25 C The peak temperature of the IC 44 9 C is well below the maximum recommended operating condition listed in the data sheet 12 bq51010BEVM 764 Evaluation Module WCSP Package SLUUAE3A August 2013 Re...

Page 13: ...com Test Results Figure 7 Thermal Image 13 SLUUAE3A August 2013 Revised December 2013 bq51010BEVM 764 Evaluation Module WCSP Package Submit Documentation Feedback Copyright 2013 Texas Instruments Incorporated ...

Page 14: ...A BOOT1 BOOT2 10 mA RECT 750 mA OUT 750 mA COM1 COM2 300 mA CLAMP1 CLAMP2 500 mA ILIM 10 mA AD AD_EN TS CTRL EN1 EN2 TERM FOD 1 mA CHG 10 mA It is also recommended to have the following capacitance on RECT and OUT RECT 10 μF OUT 1 μF It is always a good practice to place high frequency bypass capacitors of 0 1 μF next to RECT and OUT Figure 8 illustrates an example of a WCSP layout Figure 8 bq5101...

Page 15: ...ayout Figure 9 bq51010BEVM 764 Top Assembly Figure 10 bq51010BEVM 764 Top Layer 15 SLUUAE3A August 2013 Revised December 2013 bq51010BEVM 764 Evaluation Module WCSP Package Submit Documentation Feedback Copyright 2013 Texas Instruments Incorporated ...

Page 16: ...1 bq51010BEVM 764 Bottom Copper Layer Figure 12 bq51010BEVM 764 Bottom Assembly 16 bq51010BEVM 764 Evaluation Module WCSP Package SLUUAE3A August 2013 Revised December 2013 Submit Documentation Feedback Copyright 2013 Texas Instruments Incorporated ...

Page 17: ...l 0 338 x 0 788 inch N2510 6002 RB 3M 4 4 4 4 4 JP2 JP3 JP4 JP6 PEC03SAAN Header Male 3 pin 100mil spacing 0 100 inch x 3 PEC03SAAN Sullins 1 0 1 0 1 JP1 PEC03SAAN Header Male 3 pin 100mil spacing 0 100 inch x 3 PEC03SAAN Sullins 0 1 0 1 0 JP5 PEC02SAAN Header Male 2 pin 100mil spacing 0 100 inch x 2 PEC02SAAN Sullins 1 0 1 0 1 Q1 CSD75205W1015 MOSFET Dual PChan 20V 1 2A 190 milliOhm CSP 1x1 5mm C...

Page 18: ...4 Wyurth 0 0 0 0 1 Coil RX with Attractor See note 8 IWAS4832ECEB160J50 Vishay 1 1 1 1 1 Tape segment Low Static Polyimide Film See note 9 1 5 x 2 3 5419 1 1 2 3M 1 1 1 1 1 Label Label Thermal Label See note 10 THT 53 423 3 Brady Notes 1 These assemblies are ESD sensitive observe ESD precautions 2 These assemblies must be clean and free from flux and all contaminants Use of no clean flux is not ac...

Page 19: ...OUNT 001 002 003 004 005 RefDes Value Description Size Part Number MFR HPA764 004 bq51051BEVM 764 HPA764 005 bq51010BEVM 764 19 SLUUAE3A August 2013 Revised December 2013 bq51010BEVM 764 Evaluation Module WCSP Package Submit Documentation Feedback Copyright 2013 Texas Instruments Incorporated ...

Page 20: ...dded Wyurth part 760308103204 in Coil RX with Attractor row of BOM 17 NOTE Page numbers for previous revisions may differ from page numbers in the current version 20 Revision History SLUUAE3A August 2013 Revised December 2013 Submit Documentation Feedback Copyright 2013 Texas Instruments Incorporated ...

Page 21: ...ency 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 frequency interference Operation of the equipment may cause interference with radio communications in which case the user at his own expense will be required to take whatever measures may be required t...

Page 22: ... 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 by Industry Canada to operate with the antenna types listed in the user guide with the maximum permissible gain and required antenna impedance for each antenna type indicated Antenna types not included in this l...

Page 23: ...tained the Technical Regulations Conformity Certification as provided in Radio Law of Japan with respect to this product Also please do not transfer this product unless you give the same notice above to the transferee Please note that if you could not follow the instructions above you will be subject to penalties of Radio Law of Japan Texas Instruments Japan Limited address 24 1 Nishi Shinjuku 6 c...

Page 24: ...derations per the user guidelines Exceeding the specified EVM ratings including but not limited to input and output voltage current power and environmental ranges may cause 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 intended loads Any loads appl...

Page 25: ...esponsible 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 information or support that may be provided by TI Buyer represents and agrees that it has all the necessary expertise to create and implement safeguards which anticipate dangerous consequences of failur...

Page 26: ...Mouser Electronics Authorized Distributor Click to View Pricing Inventory Delivery Lifecycle Information Texas Instruments BQ51010BEVM 764 ...

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