STEVAL-ISQ007V1

STEVAL-ISQ007V1 High-side current-sense amplifier demonstration board based on the TSC101 Data Brief Features ■ Independent supply and input common-mode voltages ■ Wide common-mode operating range: 2.8 V to 30 V ■ Wide common-mode surviving range: -0.3 V to 60 V (load-dump) ■ Wide supply voltage range: 4 V to 24 V ■ Low current consumption: ICC max is 300 µA ■ Internally fixed gain: – 20 V/V (TSC101A) – 50 V/V (TSC101B) – 100 V/V (TSC101C) ■ Buffered output STEVAL-ISQ007V1 Description This demonstration board is specifically designed for the TSC101 integrated circuit. The TSC101 measures a very small voltage drop on a high-side shunt resistor, and, using an internally fixed gain, amplifies the difference into a ground-referenced output voltage; the amplification gain is internally fixed. Input common-mode and power supply voltages are independent. The common-mode voltage can range from 2.8 V to 30 V in operating conditions, and up to 60 V in absolute maximum ratings. The supply voltage can range from 4 V to 24 V. Current consumption of less than 300 µA over the temperature range and low input bias current (less than 8 µA in standard conditions, a few 100 nA if VCC isn't supplied) are particularly interesting to save power in the application. February 2009 Rev 1 For further information contact your local STMicroelectronics sales office. 1/4 www.st.com 4 Circuit schematic Circuit schematic Figure 1. Schematic R1 J2 J3 1 1 3 Current_in 2 1 Current_out 4 1 STEVAL-ISQ007V1 VP IC1 4 3 R2 VM TSC101 VCC 5 C1 CAP J1 OUT 1 1 2 3 CON3 1 Gnd 2/4 2 GND J4 STEVAL-ISQ007V1 2 Revision history Revision history Table 1. Document revision history Date Revision 12-Feb-2009 1 Changes Initial release. 3/4 STEVAL-ISQ007V1 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. © 2009 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 - Singapore - Spain - Sweden - Switzerland - United Kingdom - United States of America www.st.com 4/4