STEVAL-IPB001V1

STEVAL-IPB001V1 2 W, 3-phase SMPS for breaker applications based on the STC04IE170HP ESBT Data brief Features ■ Active startup network for improved efficiency ■ Input voltage: 150 to 1250 VDC ■ Output voltage: 24 V / 83 mA ■ Output power: 2 W ■ Switching frequency: 30 kHz ■ Dedicated transformer construction ■ Efficiency: > 80% ■ RoHS compliant Description STEVAL-IPB001V1 The design implemented in the STEVALIPB001V1 demonstration board represents a complete solution for a 2 W single-output SMPS (switched-mode power supply), which is widely used to supply power in breaker applications. The SMPS employs the UC3845B PWM driver, and uses the STC04IE170HP ESBT as the main switch. This design can also be applied to power supplies for 3-phase power metering applications, as it can be easily upgraded for higher output power. November 2010 Doc ID 18241 Rev 1 For further information contact your local STMicroelectronics sales office. 1/4 www.st.com 4 2/4 CON3 1 2 3 J1 Doc ID 18241 Rev 1 R21 3.9k R16 C8 150k 100p C10 12nF R18 2.2k Q2 4 2 1 8 RT/CT VFB COMP VREF U1 7 1 PN2222A 3 UC3845B R13 680k 2 1M 1/8W 1M 1/8W SENSE OUT 5 3 2 3 6 C11 100nF 1 22 D4 R15 5 C9 820pF R19 1k R17 STP03D200 Q3 R25 10k 1/4W R24 10k 1/4W R10 10k 1/4W R8 10k 1/4W R5 10k 1/4W STTH110 3.3k R22 10k 1 8 2 7 C7 10nF R26 10 STTH110 D2 STTH110 D1 2 4 R3 1 3 1  R23 6.8 1N4148 D3 47uF 25V C4 J2 2 1 STC04IE170HP Q4 10k R6 220uF 35V  C1 CON2  C3 330uF 25V D5 20V STEVAL-IPB001V1 circuit schematic R20 100k R14 18k C6 R12 R11 R9 1M 1/8W R7 1M 1/8W R4 1M 1/8W R1 1M 1/8W T1 Figure 1. 33uF 450V  33uF 450V C5  33uF450V C2  R2 10k 1/4W 4 Schematic diagram VCC 1 GND Schematic diagram STEVAL-IPB001V1 !-V STEVAL-IPB001V1 2 Revision history Revision history Table 1. Document revision history Date Revision 18-Nov-2010 1 Changes Initial release. Doc ID 18241 Rev 1 3/4 STEVAL-IPB001V1 Please Read Carefully: Information in this document is provided solely in connection with ST products. STMicroelectronics NV and its subsidiaries (“ST”) reserve the right to make changes, corrections, modifications or improvements, to this document, and the products and services described herein at any time, without notice. All ST products are sold pursuant to ST’s terms and conditions of sale. Purchasers are solely responsible for the choice, selection and use of the ST products and services described herein, and ST assumes no liability whatsoever relating to the choice, selection or use of the ST products and services described herein. No license, express or implied, by estoppel or otherwise, to any intellectual property rights is granted under this document. If any part of this document refers to any third party products or services it shall not be deemed a license grant by ST for the use of such third party products or services, or any intellectual property contained therein or considered as a warranty covering the use in any manner whatsoever of such third party products or services or any intellectual property contained therein. UNLESS OTHERWISE SET FORTH IN ST’S TERMS AND CONDITIONS OF SALE ST DISCLAIMS ANY EXPRESS OR IMPLIED WARRANTY WITH RESPECT TO THE USE AND/OR SALE OF ST PRODUCTS INCLUDING WITHOUT LIMITATION IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE (AND THEIR EQUIVALENTS UNDER THE LAWS OF ANY JURISDICTION), OR INFRINGEMENT OF ANY PATENT, COPYRIGHT OR OTHER INTELLECTUAL PROPERTY RIGHT. UNLESS EXPRESSLY APPROVED IN WRITING BY AN AUTHORIZED ST REPRESENTATIVE, ST PRODUCTS ARE NOT RECOMMENDED, AUTHORIZED OR WARRANTED FOR USE IN MILITARY, AIR CRAFT, SPACE, LIFE SAVING, OR LIFE SUSTAINING APPLICATIONS, NOR IN PRODUCTS OR SYSTEMS WHERE FAILURE OR MALFUNCTION MAY RESULT IN PERSONAL INJURY, DEATH, OR SEVERE PROPERTY OR ENVIRONMENTAL DAMAGE. ST PRODUCTS WHICH ARE NOT SPECIFIED AS "AUTOMOTIVE GRADE" MAY ONLY BE USED IN AUTOMOTIVE APPLICATIONS AT USER’S OWN RISK. Resale of ST products with provisions different from the statements and/or technical features set forth in this document shall immediately void any warranty granted by ST for the ST product or service described herein and shall not create or extend in any manner whatsoever, any liability of ST. ST and the ST logo are trademarks or registered trademarks of ST in various countries. Information in this document supersedes and replaces all information previously supplied. The ST logo is a registered trademark of STMicroelectronics. All other names are the property of their respective owners. © 2010 STMicroelectronics - All rights reserved STMicroelectronics group of companies Australia - Belgium - Brazil - Canada - China - Czech Republic - Finland - France - Germany - Hong Kong - India - Israel - Italy - Japan Malaysia - Malta - Morocco - Philippines - Singapore - Spain - Sweden - Switzerland - United Kingdom - United States of America www.st.com 4/4 Doc ID 18241 Rev 1