Product Folder Sample & Buy Support & Community Tools & Software Technical Documents INA302, INA303 SBOS775 – SEPTEMBER 2016 1 Features 3 Description • • The INA302 and INA303 include a high commonmode, bidirectional current-sensing amplifier and two high-speed comparators. The INA302 comparators are configured to detect and respond to overcurrent conditions. The INA303 comparators are configured to respond to both over- and undercurrent conditions. The device features an adjustable limit threshold range for each comparator set using an external limitsetting resistor. This current-shunt monitor can measure differential voltage signals on commonmode voltages that can vary from 0 V up to 36 V, independent of the supply. 1 • • Wide Common-Mode Input Range: 0 V to 36 V Amplifier and Dual Comparator Outputs: – INA302: Two Overlimit Alerts – INA303: Window Comparator – Threshold Levels Set Individually – Comparator 1 Alert Response: 1 µs – Comparator 2 Adjustable Delay: 3 µs to 10 s – Open-Drain Outputs With Independent Latch Control Modes High Accuracy Amplifier: – Offset Voltage: 35 µV (Max) – Offset Voltage Drift: 0.5 µV/°C (Max) – Gain Error: 0.1% (Max) – Gain Error Drift: 10 ppm/°C Available Amplifier Gains: – INA302A1, INA303A1: 20 V/V – INA302A2, INA303A2: 50 V/V – INA302A3, INA303A3: 100 V/V The open-drain alert outputs can be configured to operate in either a transparent mode (output status follows the input state) or in a latched mode (alert output is cleared when the latch is reset). The alert response time for comparator 1 is under 1 µs and the alert response for comparator 2 is set through an external capacitor ranging from 3 µs to 10 s. This device operates from a single 2.7-V to 5.5-V supply, drawing a maximum supply current of 950 μA. The device is specified over the extended operating temperature range (–40°C to +125°C), and is available in a 14-pin TSSOP package. 2 Applications • • • • • Overcurrent Protection Motor Controls Power-Supply Protection Computers and Servers Telecom Equipment Device Information PART NUMBER INA30x PACKAGE TSSOP (14) BODY SIZE 4.40 mm × 5.00 mm Typical Application +2.7V to 5.5V CBYPASS 0.1 PF INA302 (INA303) VS LIMIT1 RLIMIT1 COMP1 Supply (0V to 36V) + RPULL-UP 10k Microcontroller ALERT1 GPIO LATCH1 GPIO IN+ + OUT ADC COMP2 IN- Load - (+) ALERT2 + ( -) LATCH2 GPIO GPIO DELAY LIMIT2 CDELAY GND RLIMIT2 Reference Voltage 1 An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications, intellectual property matters and other important disclaimers. ADVANCE INFORMATION for pre-production products; subject to change without notice. ADVANCE INFORMATION INA30x 36-V, Overcurrent Protection, High-Speed Precision, Current-Sense Amplifier With Dual Integrated Comparators INA302, INA303 SBOS775 – SEPTEMBER 2016 www.ti.com 4 Device and Documentation Support 4.1 Related Links The table below lists quick access links. Categories include technical documents, support and community resources, tools and software, and quick access to sample or buy. Table 1. Related Links PARTS PRODUCT FOLDER SAMPLE & BUY TECHNICAL DOCUMENTS TOOLS & SOFTWARE SUPPORT & COMMUNITY INA302 Click here Click here Click here Click here Click here INA303 Click here Click here Click here Click here Click here 4.2 Receiving Notification of Documentation Updates To receive notification of documentation updates, navigate to the device product folder on ti.com. In the upper right corner, click on Alert me to register and receive a weekly digest of any product information that has changed. For change details, review the revision history included in any revised document. ADVANCE INFORMATION 4.3 Community Resources The following links connect to TI community resources. Linked contents are provided "AS IS" by the respective contributors. They do not constitute TI specifications and do not necessarily reflect TI's views; see TI's Terms of Use. TI E2E™ Online Community TI's Engineer-to-Engineer (E2E) Community. Created to foster collaboration among engineers. At e2e.ti.com, you can ask questions, share knowledge, explore ideas and help solve problems with fellow engineers. Design Support TI's Design Support Quickly find helpful E2E forums along with design support tools and contact information for technical support. 4.4 Trademarks E2E is a trademark of Texas Instruments. All other trademarks are the property of their respective owners. 4.5 Electrostatic Discharge Caution This integrated circuit can be damaged by ESD. Texas Instruments recommends that all integrated circuits be handled with appropriate precautions. Failure to observe proper handling and installation procedures can cause damage. ESD damage can range from subtle performance degradation to complete device failure. Precision integrated circuits may be more susceptible to damage because very small parametric changes could cause the device not to meet its published specifications. 4.6 Glossary SLYZ022 — TI Glossary. This glossary lists and explains terms, acronyms, and definitions. 5 Mechanical, Packaging, and Orderable Information The following pages include mechanical packaging and orderable information. This information is the most current data available for the designated devices. This data is subject to change without notice and revision of this document. For browser-based versions of this data sheet, refer to the left-hand navigation. 2 Submit Documentation Feedback Copyright © 2016, Texas Instruments Incorporated Product Folder Links: INA302 INA303 PACKAGE OPTION ADDENDUM www.ti.com 20-Sep-2016 PACKAGING INFORMATION Orderable Device Status (1) Package Type Package Pins Package Drawing Qty Eco Plan Lead/Ball Finish MSL Peak Temp (2) (6) (3) Op Temp (°C) Device Marking (4/5) INA302A1IPW PREVIEW TSSOP PW 14 90 Green (RoHS & no Sb/Br) CU NIPDAU Level-2-260C-1 YEAR -40 to 125 I302A1 INA302A1IPWR PREVIEW TSSOP PW 14 2000 Green (RoHS & no Sb/Br) CU NIPDAU Level-2-260C-1 YEAR -40 to 125 I302A1 INA302A2IPW PREVIEW TSSOP PW 14 90 Green (RoHS & no Sb/Br) CU NIPDAU Level-2-260C-1 YEAR -40 to 125 I302A2 INA302A2IPWR PREVIEW TSSOP PW 14 2000 Green (RoHS & no Sb/Br) CU NIPDAU Level-2-260C-1 YEAR -40 to 125 I302A2 INA302A3IPW PREVIEW TSSOP PW 14 90 Green (RoHS & no Sb/Br) CU NIPDAU Level-2-260C-1 YEAR -40 to 125 I302A3 INA302A3IPWR PREVIEW TSSOP PW 14 2000 Green (RoHS & no Sb/Br) CU NIPDAU Level-2-260C-1 YEAR -40 to 125 I302A3 INA303A1IPW PREVIEW TSSOP PW 14 90 Green (RoHS & no Sb/Br) CU NIPDAU Level-2-260C-1 YEAR -40 to 125 I303A1 INA303A1IPWR PREVIEW TSSOP PW 14 2000 Green (RoHS & no Sb/Br) CU NIPDAU Level-2-260C-1 YEAR -40 to 125 I303A1 INA303A2IPW PREVIEW TSSOP PW 14 90 Green (RoHS & no Sb/Br) CU NIPDAU Level-2-260C-1 YEAR -40 to 125 I303A2 INA303A2IPWR PREVIEW TSSOP PW 14 2000 Green (RoHS & no Sb/Br) CU NIPDAU Level-2-260C-1 YEAR -40 to 125 I303A2 INA303A3IPW PREVIEW TSSOP PW 14 90 Green (RoHS & no Sb/Br) CU NIPDAU Level-2-260C-1 YEAR -40 to 125 I303A3 INA303A3IPWR PREVIEW TSSOP PW 14 2000 Green (RoHS & no Sb/Br) CU NIPDAU Level-2-260C-1 YEAR -40 to 125 I303A3 (1) The marketing status values are defined as follows: ACTIVE: Product device recommended for new designs. LIFEBUY: TI has announced that the device will be discontinued, and a lifetime-buy period is in effect. NRND: Not recommended for new designs. Device is in production to support existing customers, but TI does not recommend using this part in a new design. PREVIEW: Device has been announced but is not in production. Samples may or may not be available. OBSOLETE: TI has discontinued the production of the device. (2) Eco Plan - The planned eco-friendly classification: Pb-Free (RoHS), Pb-Free (RoHS Exempt), or Green (RoHS & no Sb/Br) - please check http://www.ti.com/productcontent for the latest availability information and additional product content details. TBD: The Pb-Free/Green conversion plan has not been defined. Addendum-Page 1 Samples PACKAGE OPTION ADDENDUM www.ti.com 20-Sep-2016 Pb-Free (RoHS): TI's terms "Lead-Free" or "Pb-Free" mean semiconductor products that are compatible with the current RoHS requirements for all 6 substances, including the requirement that lead not exceed 0.1% by weight in homogeneous materials. Where designed to be soldered at high temperatures, TI Pb-Free products are suitable for use in specified lead-free processes. Pb-Free (RoHS Exempt): This component has a RoHS exemption for either 1) lead-based flip-chip solder bumps used between the die and package, or 2) lead-based die adhesive used between the die and leadframe. The component is otherwise considered Pb-Free (RoHS compatible) as defined above. Green (RoHS & no Sb/Br): TI defines "Green" to mean Pb-Free (RoHS compatible), and free of Bromine (Br) and Antimony (Sb) based flame retardants (Br or Sb do not exceed 0.1% by weight in homogeneous material) (3) MSL, Peak Temp. - The Moisture Sensitivity Level rating according to the JEDEC industry standard classifications, and peak solder temperature. (4) There may be additional marking, which relates to the logo, the lot trace code information, or the environmental category on the device. (5) Multiple Device Markings will be inside parentheses. Only one Device Marking contained in parentheses and separated by a "~" will appear on a device. If a line is indented then it is a continuation of the previous line and the two combined represent the entire Device Marking for that device. (6) Lead/Ball Finish - Orderable Devices may have multiple material finish options. Finish options are separated by a vertical ruled line. Lead/Ball Finish values may wrap to two lines if the finish value exceeds the maximum column width. Important Information and Disclaimer:The information provided on this page represents TI's knowledge and belief as of the date that it is provided. TI bases its knowledge and belief on information provided by third parties, and makes no representation or warranty as to the accuracy of such information. Efforts are underway to better integrate information from third parties. TI has taken and continues to take reasonable steps to provide representative and accurate information but may not have conducted destructive testing or chemical analysis on incoming materials and chemicals. TI and TI suppliers consider certain information to be proprietary, and thus CAS numbers and other limited information may not be available for release. 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