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UM10412

All information provided in this document is subject to legal disclaimers.

© NXP B.V. 2010. All rights reserved.

User manual

Rev. 1 — 2 November 2010 

25 of 26

NXP Semiconductors

UM10412

UBA2021 evaluation board

11. Legal information

11.1 Definitions

Draft — 

The document is a draft version only. The content is still under 

internal review and subject to formal approval, which may result in 
modifications or additions. NXP Semiconductors does not give any 
representations or warranties as to the accuracy or completeness of 
information included herein and shall have no liability for the consequences of 
use of such information.

11.2 Disclaimers

Limited warranty and liability — 

Information in this document is believed to 

be accurate and reliable. However, NXP Semiconductors does not give any 
representations or warranties, expressed or implied, as to the accuracy or 
completeness of such information and shall have no liability for the 
consequences of use of such information. 

In no event shall NXP Semiconductors be liable for any indirect, incidental, 
punitive, special or consequential damages (including - without limitation - lost 
profits, lost savings, business interruption, costs related to the removal or 
replacement of any products or rework charges) whether or not such 
damages are based on tort (including negligence), warranty, breach of 
contract or any other legal theory. 

Notwithstanding any damages that customer might incur for any reason 
whatsoever, NXP Semiconductors’ aggregate and cumulative liability towards 
customer for the products described herein shall be limited in accordance 
with the 

Terms and conditions of commercial sale

 of NXP Semiconductors.

Right to make changes — 

NXP Semiconductors reserves the right to make 

changes to information published in this document, including without 
limitation specifications and product descriptions, at any time and without 
notice. This document supersedes and replaces all information supplied prior 
to the publication hereof.

Suitability for use — 

NXP Semiconductors products are not designed, 

authorized or warranted to be suitable for use in life support, life-critical or 
safety-critical systems or equipment, nor in applications where failure or 
malfunction of an NXP Semiconductors product can reasonably be expected 
to result in personal injury, death or severe property or environmental 
damage. NXP Semiconductors accepts no liability for inclusion and/or use of 
NXP Semiconductors products in such equipment or applications and 
therefore such inclusion and/or use is at the customer’s own risk.

Applications — 

Applications that are described herein for any of these 

products are for illustrative purposes only. NXP Semiconductors makes no 
representation or warranty that such applications will be suitable for the 
specified use without further testing or modification. 

Customers are responsible for the design and operation of their applications 
and products using NXP Semiconductors products, and NXP Semiconductors 
accepts no liability for any assistance with applications or customer product 
design. It is customer’s sole responsibility to determine whether the NXP 
Semiconductors product is suitable and fit for the customer’s applications and 
products planned, as well as for the planned application and use of 
customer’s third party customer(s). Customers should provide appropriate 
design and operating safeguards to minimize the risks associated with their 
applications and products. 

NXP Semiconductors does not accept any liability related to any default, 
damage, costs or problem which is based on any weakness or default in the 
customer’s applications or products, or the application or use by customer’s 
third party customer(s). Customer is responsible for doing all necessary 
testing for the customer’s applications and products using NXP 
Semiconductors products in order to avoid a default of the applications and 
the products or of the application or use by customer’s third party 
customer(s). NXP does not accept any liability in this respect.

Export control — 

This document as well as the item(s) described herein 

may be subject to export control regulations. Export might require a prior 
authorization from national authorities.

Evaluation products — 

This product is provided on an “as is” and “with all 

faults” basis for evaluation purposes only. NXP Semiconductors, its affiliates 
and their suppliers expressly disclaim all warranties, whether express, implied 
or statutory, including but not limited to the implied warranties of 
non-infringement, merchantability and fitness for a particular purpose. The 
entire risk as to the quality, or arising out of the use or performance, of this 
product remains with customer.

In no event shall NXP Semiconductors, its affiliates or their suppliers be liable 
to customer for any special, indirect, consequential, punitive or incidental 
damages (including without limitation damages for loss of business, business 
interruption, loss of use, loss of data or information, and the like) arising out 
the use of or inability to use the product, whether or not based on tort 
(including negligence), strict liability, breach of contract, breach of warranty or 
any other theory, even if advised of the possibility of such damages. 

Notwithstanding any damages that customer might incur for any reason 
whatsoever (including without limitation, all damages referenced above and 
all direct or general damages), the entire liability of NXP Semiconductors, its 
affiliates and their suppliers and customer’s exclusive remedy for all of the 
foregoing shall be limited to actual damages incurred by customer based on 
reasonable reliance up to the greater of the amount actually paid by customer 
for the product or five dollars (US$5.00). The foregoing limitations, exclusions 
and disclaimers shall apply to the maximum extent permitted by applicable 
law, even if any remedy fails of its essential purpose.

Safety of high-voltage evaluation products — 

The non-insulated high 

voltages that are present when operating this product, constitute a risk of 
electric shock, personal injury, death and/or ignition of fire. This product is 
intended for evaluation purposes only. It shall be operated in a designated 
test area by personnel that is qualified according to local requirements and 
labor laws to work with non-insulated mains voltages and high-voltage 
circuits.

The product does not comply with IEC 60950 based national or regional 
safety standards. NXP Semiconductors does not accept any liability for 
damages incurred due to inappropriate use of this product or related to 
non-insulated high voltages. Any use of this product is at customer’s own risk 
and liability. The customer shall fully indemnify and hold harmless NXP 
Semiconductors from any liability, damages and claims resulting from the use 
of the product.

11.3 Trademarks

Notice: All referenced brands, product names, service names and trademarks 
are the property of their respective owners.

           

Содержание UBA2021

Страница 1: ...UBA2021 evaluation board Rev 1 2 November 2010 User manual Document information Info Content Keywords UBA2021 evaluation board TL CFL Abstract This document is the user manual for the UBA2021 evaluati...

Страница 2: ...served User manual Rev 1 2 November 2010 2 of 26 Contact information For more information please visit http www nxp com For sales office addresses please send an email to salesaddresses nxp com NXP Se...

Страница 3: ...CFL applications To optimize flexibility almost no protection is build in except for IC internal protection The board does not conform with any safety norm CAUTIONS Do not supply voltages to the boar...

Страница 4: ...preheat sweep and oscillator capacitors the low voltage supply VDD components and some other low voltage components The daughter PCB can easily be replaced if it becomes damaged Care should be taken...

Страница 5: ...ocument is subject to legal disclaimers NXP B V 2010 All rights reserved User manual Rev 1 2 November 2010 5 of 26 NXP Semiconductors UM10412 UBA2021 evaluation board Fig 3 UBA2014 21 Main board with...

Страница 6: ...preheat time of 1 85 s Fig 4 Daughter board with UBA2021 circuit 019aaa284 30 k R3 C1 A1 100 nF C2 330 nF 16 V C3 100 pF 1 2 47 R4 2 1 150 k R1 1 2 150 k R2 1 2 160 k R8 1 2 2 1 2 1 2 CI 13 1 14 RHV...

Страница 7: ...r 2 X115 header 2 X2 socket 3 1 2 C5 33 nF 100 V 1 2 47 k R25 1 2 D placed in header V6 2SK3569 S G D placed in header V3 2SK3569 S G Y5 jumper C6 4 7 nF 2000 V 1 2 C19 470 nF 63 V 1 CSN 1 2 3 2 C17 6...

Страница 8: ...1 1 2 1 4 2 3 2 C3 47 nF 305 Vac 1 2 C2 47 nF 305 Vac 1 1 1 2 2 2 X1 VAC In 230 V 50 Hz VDC In 400 V MKDS 2 5 2 5 08 1 2 Fig 7 Main board dimming input only in combination with UBA2014 daughter board...

Страница 9: ...08 1 1 1 X6 TP 2 Y3 jumper Y1 jumper Y4 jumper Y2 jumper 1 2 X9 TP 1 3 X11 TP 1 4 X13 TP X21 LAMP 3 MKDS 2 2 4 5 08 1 1 X20 TP 1 2 X24 TP 1 3 X27 TP 1 4 X30 TP X42 LAMP 2 MKDS 2 2 4 5 08 1 1 X38 TP 1...

Страница 10: ...input The UBA2021 does not have dimming functionality so this input is not used If dimming is required please use the UBA2014 5 3 Lamp connectors There are four lamp connectors on the board The connec...

Страница 11: ...P Comment X6 connection for filament 1 X9 connection for filament 1 X11 connection for filament 2 X13 connection for filament 2 Table 7 Connections of the daughter board Test Pin Name Comment X78 CSN...

Страница 12: ...e rather than by the lamp current or the half bridge current 5 7 1 Half bridge current sensing The half bridge current is sensed for controlling the preheat current Different values of the sense resis...

Страница 13: ...of the transformer Table 11 shows the different inductance values The specifications of the transformer are listed in Section 6 Transformer T3 has a double footprint that enables the use of different...

Страница 14: ...valent Bobbin RM 8 12 pin vertical type Fig 10 Transformer T1 schematic diagram 019aaa301 N3 10 12 7 9 6 1 N2 N1 Table 13 Electrical characteristics for transformer T1 Properties Test conditions Value...

Страница 15: ...matic diagram 019aaa302 N7 9 10 7 8 6 1 2 N6 N1 N2 3 N3 4 N4 5 N5 Table 14 Electrical characteristics for transformer T3 Properties Test conditions Value Unit Tolerance InductanceN1 N5 50 kHz 0 1 V L0...

Страница 16: ...All rights reserved User manual Rev 1 2 November 2010 16 of 26 NXP Semiconductors UM10412 UBA2021 evaluation board 6 2 2 Dimensions Core E30 15 7 Core material Ferrite Air gap in center leg 1100 m Bob...

Страница 17: ...ault settings Jumper Position Comment X32 short half bridge sense resistor 1 used for PCS X34 open X33 1 2 open 2 3 short use lamp current sensing X114 short connect transformer T1 X115 short X39 1 2...

Страница 18: ...50 V 1 C5 n m C6 470 pF 500 V Capacitor ceramic 500 V NP0 5 C7 1 F 25 V Capacitor ceramic X7R 25 V 10 C8 1 nF 100 V Capacitor ceramic X7R 100 V 10 C9 10 n Capacitor ceramic X7R 50 V 10 C10 2 2 n 100 V...

Страница 19: ...5 C R5 8 2 K Resistor 1 0 6 W 50 ppm MRS25 R6 R8 R9 1 2 W Resistor Power 5 2 W 100 ppm C MFP R7 1 K Resistor 1 0 6 W 50 ppm MRS25 R10 33 2 W Resistor Power 5 2 W 450 ppm C Carbon Film R18 33 k Resisto...

Страница 20: ...2 November 2010 20 of 26 NXP Semiconductors UM10412 UBA2021 evaluation board 9 Layout Top view Bottom view Fig 14 Daughter PCB layout 019aaa291 T 019aaa290 R1A Top view Bottom view Fig 15 Daughter boa...

Страница 21: ...subject to legal disclaimers NXP B V 2010 All rights reserved User manual Rev 1 2 November 2010 21 of 26 NXP Semiconductors UM10412 UBA2021 evaluation board Fig 16 UBA2014 21 main board PCB layout top...

Страница 22: ...cument is subject to legal disclaimers NXP B V 2010 All rights reserved User manual Rev 1 2 November 2010 22 of 26 NXP Semiconductors UM10412 UBA2021 evaluation board Fig 17 UBA2014 21 main board PCB...

Страница 23: ...CURRENT SENSE GND GND PCS 2021 VCC GND GL VBRG PCS GH SH LVS VREF CSP CSN UBA20 14 21 Daughter Board High Side FET Low Side FET HALF BRIDGE WWW NXP COM UBA20 14 21 DEMO BOARD V1 2 GND GND GND High Vo...

Страница 24: ...10 All rights reserved User manual Rev 1 2 November 2010 24 of 26 NXP Semiconductors UM10412 UBA2021 evaluation board 10 Glossary CFL Compact Fluorescent Lamp MOSFET Metal Oxide Semiconductor Field Ef...

Страница 25: ...operating safeguards to minimize the risks associated with their applications and products NXP Semiconductors does not accept any liability related to any default damage costs or problem which is base...

Страница 26: ...4 3 2 Main board 4 4 Schematics 6 5 Connectors 10 5 1 Power supply connectors 10 5 2 Dimming input 10 5 3 Lamp connectors 10 5 4 Test points 11 5 5 Transformer T1 12 5 6 FET 12 5 7 Current sense sele...

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