Texas Instruments TPS65560EVM-165 Manuel utilisateur

1 Introduction

User's GuideSLVU155B – March 2006 – Revised March 2008

TPS65560EVM-165

This user’s guide describes the characteristics, operation, and use of the TPS65560EVM-165 EvaluationModule (EVM). This EVM demonstrates the Texas Instruments TPS65560 Integrated Photo FlashChargers with IGBT Drivers. This user’s guide includes setup instructions, a schematic diagram, a bill ofmaterials, and printed-circuit board layout drawings for the evaluation module.

Contents1 Introduction ................................................................................................................... 12 Setup .......................................................................................................................... 23 Board Layout ................................................................................................................. 54 Schematic and Bill of Materials ............................................................................................ 75 Related Documentation From Texas Instruments ....................................................................... 8

List of Figures

1 Top Assembly Layer ......................................................................................................... 52 Bottom Assembly Layer ..................................................................................................... 53 Top Layer Routing ........................................................................................................... 64 Bottom Layer Routing ....................................................................................................... 6

List of Tables

1 J5 Pinout ...................................................................................................................... 22 TPS65560EVM-165 Bill of Materials ...................................................................................... 8

The TPS65560 is a highly integrated flyback converter used to charge photo flash capacitors. The TexasInstruments TPS65560EVM-165 evaluation module (EVM) helps designers evaluate the operation andperformance of this device.

The EVM contains one fully functional photo flash charger capable of charging a photo flash capacitor to320 volts from a battery with voltage between 1.6 and 12 volts. The EVM also provides a flash lamp andtrigger circuit to help the designer evaluate the charging characteristics. The onboard lamp circuit can bedisabled so that the EVM can be connected to a user-supplied lamp and trigger circuit.

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2 Setup

2.1 Input / Output Connector Descriptions

2.1.1 J1 – Vbatt

2.1.2 J2 – GND

2.1.3 J3 –V

2.1.4 J4 – GND

2.1.5 J5 – REMOTE CONTROL

Setup

This section describes the jumpers and connectors on the EVM as well as how to properly connect, setup, and use the TPS65560EVM-165.

WARNINGThe TPS65560EVM-165 produces high voltage and is designed tocharge the bulk flash capacitor to more than 320 volts. Thiscapacitor can maintain this voltage for a long time, even after theinput power has been removed from the board. Do not touch anyexposed metal on the TPS65560EVM-165 without first dischargingthe bulk flash capacitor.

This is the positive battery voltage input connection to the converter. This voltage should be between 1.6and 12 volts dc.

This is the return connection for the battery voltage to the converter.

This is the positive digital voltage supply. This voltage should be between 2.7 and 4 volts dc.

This is the return connection for the digital voltage supply.

This connector is used to interface the EVM to a personal computer as an optional method of controllingthe EVM. All necessary control inputs and outputs for the converter are present on this connector. Theflash and charge signals are inverted before connecting to the TPS65560 on the EVM board. The pinoutfor the connector is shown Table 1 .

Table 1. J5 Pinout

Pin No. Signal Function

1, 3, 5, 7, 9 GND Signal ground2 Charge Complete Output: An active low indicates the flash capacitor is charged4 Charge Input: A positive edge initiates the charging of the flash capacitor6 Flash Input: A logic-high signal initiates a lamp flash8 I_PEAK Input: Used to provide the peak current set point of the charger10 V

This pin is connected to the V

plane of the EVM board

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2.1.6 J6 –User Lamp module HV connections

2.1.7 J7 –User Lamp module HV Return connections

2.1.8 JP1 & JP2 – EVM Lamp disconnect

2.1.9 JP3 –I_PEAK

2.2 Setup and Operation With Onboard Lamp and Trigger Circuit

Setup

This connector is used to connect the EVM module to a user-supplied lamp and trigger circuit. Pin 1 of thisconnector is the trigger signal. Pin 2 of this connector is the high-voltage side of the photo flash capacitor.See the EVM schematic for more information

This connector is used to connect the EVM module to a user-supplied lamp and trigger circuit. Both pinsof this connector are connected to the negative side of the photo flash capacitor and provide the returnpath for the flash currents.

These jumpers are used to disconnect the lamp and trigger circuit of the EVM so that a user-suppliedlamp and trigger can be evaluated. The lamp and trigger are disconnected when both jumpers JP1 andJP2 are removed.

This connector is used to externally set the charge current. Pin 2 of this connector is tied directly to theI_PEAK pin of the TPS65560. Connecting a jumper from pin 2 (I_PEAK) to pin 1 (V

) configures theTPS65560 to charge the flash capacitor using the maximum peak current. Connecting a jumper from pin 2(I_PEAK) to pin 3 (GND) configures the TPS65560 to charge the flash capacitor using the minimum peakcurrent. Other peak current levels can be programmed by installing resistors in positions R6 and R7 on theEVM board. R6 and R7 can be used to form a voltage divider between V

and GND to set the voltage onthe I-Peak pin of the TPS65560.

1. Discharge the photo flash capacitor by shorting C5 with a 15-k Ωresistor for over 20 seconds. Use amultimeter to measure the voltage on C5 and verify that the voltage is close to zero before continuingor touching any connectors or components.2. If needed, install jumpers across JP1 and JP2 to connect the onboard lamp and trigger circuit to thecontrol circuitry.3. Connect the positive lead of an input power supply J3. This voltage should be between 2.7 and 4 voltsdc to supply V

to the TPS65560.4. Connect the negative lead of an input power supply to J4.5. Connect the positive lead of a battery or power supply to J1. This voltage can be between 1.6 and 12volts.

6. Connect the negative of the battery or power supply to J2.7. Turn on the V

input supply.8. Turn on the battery voltage supply.9. Push and hold the Charge button to start charging the flash capacitor.10. Release the Charge button when the green Charge Complete LED (D2) illuminates.11. Push the Flash switch to flash lamp.12. Repeat steps 9 through 11 as needed.

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2.3 Setup and Operation With User-Supplied Lamp and Trigger Circuit Operation

Setup

1. Discharge the photo flash capacitor by shorting C5 with a 15-k Ωresistor for over 20 seconds. Use amultimeter to measure the voltage on C5 and verify the voltage is close to zero before continuing ortouching any connectors or components.2. Remove jumpers across JP1 and JP2 to disconnect the onboard lamp and trigger circuit from thecontrol circuitry. The TPS65560 EVM should only be used to flash a single flash tube.3. Connect the high-voltage portion of the user supplied lamp circuit to pin 2 of J6.4. Connect the trigger portion of the user-supplied lamp to pin 1 of J6. See the EVM schematic to verifythe circuit hook up.5. Connect the ground portion of the user lamp circuit to pin 1 of J76. Connect the positive lead of an input power supply J3. This voltage should be between 2.7 and 4 voltsdc to supply V

to the TPS65560.7. Connect the negative lead of an input power supply to J4.8. Connect the positive lead of a battery or power supply to J1. This voltage can be between 1.6 and 12volts.

9. Connect the negative of the battery or power supply to J2.10. Turn on the V

input supply.11. Turn on the battery voltage supply.12. Push and hold the Charge switch to start charging the flash capacitor.13. Release Charge switch when the green Charge Complete LED (D2) illuminates.14. Push the Flash switch to flash lamp.

Repeat steps 12 through 14 as necessary.

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3 Board Layout

3.1 Layout

Board Layout

This section provides the TPS65560EVM-165 board layout and illustrations.

Board layout is critical for all high-frequency switch mode power supplies. Figure 1 through Figure 4 showthe board layout for the TPS65560EVM-165 PCB. The nodes with high-switching frequencies and currentsare kept as short as possible to minimize trace inductance. Careful attention has been given to the routingof high-frequency current loops and a single-point grounding scheme is used for all high-current andhigh-voltage traces. See the data sheet for specific layout guidelines.

Figure 1. Top Assembly Layer Figure 2. Bottom Assembly Layer

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Board Layout

Figure 3. Top Layer Routing Figure 4. Bottom Layer Routing

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4 Schematic and Bill of Materials

4.1 Schematic

Schematic and Bill of Materials

This section provides the TPS65560EVM-165 schematic and bill of materials.

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4.2 Bill of Materials

5 Related Documentation From Texas Instruments

5.1 If You Need Assistance

Related Documentation From Texas Instruments

Table 2. TPS65560EVM-165 Bill of MaterialsCount RefDes Value Description Size Part Number MFR

2 C1, C4 10 µF Capacitor, Ceramic, 16V, X7R, 10% 1206 C3216X7R1C106KT TDK

1 C2 4.7 µF Capacitor, Ceramic, 25V, X7R, 10% 1206 C3216X7R1E475K TDK

3 C3, C7, C8 0.01 µF Capacitor, Ceramic, 50V, X7R, 10% 0603 C1608X7R1H103KT TDK

1 C5 95 µF Capacitor, Aluminum, 330VDC, 20% 9.5 x 37 mm 330FW95V9537 Rubycon

1 C6 0.047 µF Capacitor, Ceramic, 630V, X7R, 10% 1210 C3225X7R2J473K TDK

1 D1 Diode, Dual Switching, 300V, 275mW, 225mA SOT-323 CMSD2004S Central Semiconductor

1 D2 Diode, LED, Green, Gullwing, GW Type, 20mA, 0.120 x 0.087 LN1361CTR Panasonic7.5 mcd typ.

1 FL1 Flash Tube, 320v Max 0.071 x 0.807 inch FFT-N-I018001850-1 Nam Kwong Electricwww.namkwong.com.hk

4 J1 - J4 Header, 2-pin, 100mil spacing, (36-pin strip) 0.100 x 2 PTC36SAAN Sullins

1 J5 Header, 2x5-pin, 100mil spacing (36-pin strip) 0.100 x 5 X 2 PTC36DAAN Sullins

2 J6, J7 Terminal Block, 2 pin, 15A, 5.1mm 0.40 x 0.35 ED1609 OST

2 JP1, JP2 Header, 2 pin, 100mil spacing, (36-pin strip) 0.100 x 2 PTC36SAAN Sullins

1 JP3 Header, 3 pin, 100mil spacing, (36-pin strip) 0.100 x 3 PTC36SAAN Sullins

1 Q1 Trans, N-Ch IGBT, Vgem 6, Vces 400, Icm 150 TSSOP-8 RJP4002ASA Renesas

2 R1, R2 10k Resistor, Chip, 1/16W, 1% 0603 Std Std

1 R10 47.5k Resistor, Chip, 1/16W, 1% 0603 Std Std

2 R3, R4 1.00k Resistor, Chip, 1/16W, 1% 0603 Std Std

1 R5 0 Resistor, Chip, 1/16W, 5% 0603 Std Std

2 R6, R7 Open Resistor, Chip, 1/16W, 1% 0603

1 R8 100 Resistor, Chip, 1/16W, 1% 0603 Std Std

1 R9 1.0M Resistor, Chip, 1/4W, 5%, 400V 1206 ERJ8GEYJ105V Panasonic

2 S1, S2 Switch, SPST, PB Momentary, Sealed 0.245 X 0.251 KT11P2JM C & KWashable

0 T1 Transformer, Trigger 0.330 X 0.137 inch BO-02 Tokyo Coil

0 T2 Transformer, 0.303 x 0.252 inch TTRN-038S_Type Tokyo Coil

1 T3 XFMR, Flyback 0.220 X 0.335 inch W04-155 Kijima-Musen

[email protected]

1 T4 XFMR, Trigger 0.146 X 0.303 inch KP-132 Kijima-Musen

3 U1, U3, U5 IC, Dual Schmitt-Trigger Inverter SOT23-6 SN74LVC2G14DBV TI

1 U2 IC, Integrated Photo Flash charger and IGBT QFN16 TPS65560RGT TIDriver

1 – PCB, 3.45 In x 2.5 In x 0.062 In HPA165 Any

3 – Shunt, 100-mil, Black 0.100 929950-00 3M

4 – Bumpon, Transparent 0.44 x 0.2 SJ5303 3M

1 26 AWG Buss Wire (approximately 1.5 inches)

Notes: 1. These assemblies are ESD sensitive, ESD precautions shall be observed.

2. These assemblies must be clean and free from flux and all contaminants. Use of unclean flux is not acceptable.

3. These assemblies must comply with workmanship standards IPC-A-610 Class 2.

4. Reference designators marked with an asterisk ('**') cannot be substituted.All other components can be substituted with equivalent MFG's components.

TPS65560 data.sheet (SLVS608 )

Contact your local TI sales representative.

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EVALUATION BOARD/KIT IMPORTANT NOTICE

Texas Instruments (TI) provides the enclosed product(s) under the following conditions:This evaluation board/kit is intended for use for ENGINEERING DEVELOPMENT, DEMONSTRATION, OR EVALUATION PURPOSESONLY and is not considered by TI to be a finished end-product fit for general consumer use. Persons handling the product(s) must haveelectronics training and observe good engineering practice standards. As such, the goods being provided are not intended to be completein terms of required design-, marketing-, and/or manufacturing-related protective considerations, including product safety and environmentalmeasures typically found in end products that incorporate such semiconductor components or circuit boards. This evaluation board/kit doesnot fall within the scope of the European Union directives regarding electromagnetic compatibility, restricted substances (RoHS), recycling(WEEE), FCC, CE or UL, and therefore may not meet the technical requirements of these directives or other related directives.Should this evaluation board/kit not meet the specifications indicated in the User’s Guide, the board/kit may be returned within 30 days fromthe date of delivery for a full refund. THE FOREGOING WARRANTY IS THE EXCLUSIVE WARRANTY MADE BY SELLER TO BUYERAND IS IN LIEU OF ALL OTHER WARRANTIES, EXPRESSED, IMPLIED, OR STATUTORY, INCLUDING ANY WARRANTY OFMERCHANTABILITY OR FITNESS FOR ANY PARTICULAR PURPOSE.The user assumes all responsibility and liability for proper and safe handling of the goods. Further, the user indemnifies TI from all claimsarising from the handling or use of the goods. Due to the open construction of the product, it is the user’s responsibility to take any and allappropriate precautions with regard to electrostatic discharge.EXCEPT TO THE EXTENT OF THE INDEMNITY SET FORTH ABOVE, NEITHER PARTY SHALL BE LIABLE TO THE OTHER FOR ANYINDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES.TI currently deals with a variety of customers for products, and therefore our arrangement with the user is not exclusive.

TI assumes no liability for applications assistance, customer product design, software performance, or infringement of patents orservices described herein.

Please read the User’s Guide and, specifically, the Warnings and Restrictions notice in the User’s Guide prior to handling the product. Thisnotice contains important safety information about temperatures and voltages. For additional information on TI’s environmental and/orsafety programs, please contact the TI application engineer or visit www.ti.com/esh .No license is granted under any patent right or other intellectual property right of TI covering or relating to any machine, process, orcombination in which such TI products or services might be or are used.FCC Warning

This evaluation board/kit is intended for use for ENGINEERING DEVELOPMENT, DEMONSTRATION, OR EVALUATION PURPOSESONLY and is not considered by TI to be a finished end-product fit for general consumer use. It generates, uses, and can radiate radiofrequency energy and has not been tested for compliance with the limits of computing devices pursuant to part 15 of FCC rules, which aredesigned to provide reasonable protection against radio frequency interference. Operation of this equipment in other environments maycause interference with radio communications, in which case the user at his own expense will be required to take whatever measures maybe required to correct this interference.

EVM WARNINGS AND RESTRICTIONS

It is important to operate this EVM within the input voltage range of 1.6 V to 12 V (Vbatt), 2.7 V to 4 V (Vcc) and the output voltage range of0 V to 320 V.Exceeding the specified input range may cause unexpected operation and/or irreversible damage to the EVM. If there are questionsconcerning the input range, please contact a TI field representative prior to connecting the input power.Applying loads outside of the specified output range may result in unintended operation and/or possible permanent damage to the EVM.Please consult the EVM User's Guide prior to connecting any load to the EVM output. If there is uncertainty as to the load specification,please contact a TI field representative.During normal operation, some circuit components may have case temperatures greater than 50 °C. The EVM is designed to operateproperly with certain components above 50 °C as long as the input and output ranges are maintained. These components include but arenot limited to linear regulators, switching transistors, pass transistors, and current sense resistors. These types of devices can be identifiedusing the EVM schematic located in the EVM User's Guide. When placing measurement probes near these devices during operation,please be aware that these devices may be very warm to the touch.

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 latest relevant information before placing orders and should verify that such information is current and complete. All products aresold 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 standardwarranty. Testing and other quality control techniques are used to the extent TI deems necessary to support this warranty. Except wheremandated 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 andapplications using TI components. To minimize the risks associated with customer products and applications, customers should provideadequate 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. Informationpublished by TI regarding third-party products or services does not constitute a license from TI to use such products or services or awarranty or endorsement thereof. Use of such information may require a license from a third party under the patents or other intellectualproperty of the third party, or a license from TI under the patents or other intellectual property of TI.Reproduction of TI information in TI data books or data sheets is permissible only if reproduction is without alteration and is accompaniedby all associated warranties, conditions, limitations, and notices. Reproduction of this information with alteration is an unfair and deceptivebusiness practice. TI is not responsible or liable for such altered documentation. Information of third parties may be subject to additionalrestrictions.

Resale of TI products or services with statements different from or beyond the parameters stated by TI for that product or service voids allexpress and any implied warranties for the associated TI product or service and is an unfair and deceptive business practice. TI is notresponsible or liable for any such statements.TI products are not authorized for use in safety-critical applications (such as life support) where a failure of the TI product would reasonablybe expected to cause severe personal injury or death, unless officers of the parties have executed an agreement specifically governingsuch use. Buyers represent that they have all necessary expertise in the safety and regulatory ramifications of their applications, andacknowledge and agree that they are solely responsible for all legal, regulatory and safety-related requirements concerning their productsand any use of TI products in such safety-critical applications, notwithstanding any applications-related information or support that may beprovided by TI. Further, Buyers must fully indemnify TI and its representatives against any damages arising out of the use of TI products insuch safety-critical applications.TI products are neither designed nor intended for use in military/aerospace applications or environments unless the TI products arespecifically designated by TI as military-grade or "enhanced plastic." Only products designated by TI as military-grade meet militaryspecifications. Buyers acknowledge and agree that any such use of TI products which TI has not designated as military-grade is solely atthe Buyer's risk, and that they are solely responsible for compliance with all legal and regulatory requirements in connection with such use.TI products are neither designed nor intended for use in automotive applications or environments unless the specific TI products aredesignated by TI as compliant with ISO/TS 16949 requirements. Buyers acknowledge and agree that, if they use any non-designatedproducts in automotive applications, TI will not be responsible for any failure to meet such requirements.Following are URLs where you can obtain information on other Texas Instruments products and application solutions:Products ApplicationsAmplifiers amplifier.ti.com Audio www.ti.com/audioData Converters dataconverter.ti.com Automotive www.ti.com/automotiveDSP dsp.ti.com Broadband www.ti.com/broadbandClocks and Timers www.ti.com/clocks Digital Control www.ti.com/digitalcontrolInterface interface.ti.com Medical www.ti.com/medicalLogic logic.ti.com Military www.ti.com/militaryPower Mgmt power.ti.com Optical Networking www.ti.com/opticalnetworkMicrocontrollers microcontroller.ti.com Security www.ti.com/securityRFID www.ti-rfid.com Telephony www.ti.com/telephonyRF/IF and ZigBee® Solutions www.ti.com/lprf Video & Imaging www.ti.com/videoWireless www.ti.com/wireless

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