LMR14006YEVM

User's Guide SNVU311 – November 2013 LMR14003Y/6YEVM Evaluation Board 1 Introduction This document describes the setup and the input/output connections of the EVM. Included are the board layout, schematic, and bill of materials. The Texas Instruments LMR14003Y/6YEVM evaluation module (EVM) helps designers evaluate the operation and performance of the LMR14003Y and LMR14006Y switching mode power supply. Figure 1. LMR14003Y/6YEVM Board The LMR14003Y and LMR14006Y is a PWM DC/DC buck (step-down) regulator. With a wide input range from 4V to 40V, it is suitable for a wide range of applications from automotive to industry for power conditioning from unregulated sources. The LMR14003Y/6YEVM evaluation board is designed to provide the design engineer with a fully functional power converter based on the buck topology to evaluate the LMR14003Y/6Y series of buck regulators. 1.1 EVM Features • • • • • • 6V to 18V Input Voltage Range 5V Output Voltage Up to 300mA(LMR14003Y) or 600mA (LMR14006Y) Output Current Switching Frequency 2.1 MHz (1.1MHz for X version) Frequency Foldback Current Limit of 0.6A/1.1A Internal Compensation The EVM contains one DC / DC converter (See Table 1) Table 1. Device and Package Configurations CONVERTER EVM IC PACKAGE U1 LMR14003YEVM LMR14003YDDCR SOT23-6 LMR14006YEVM LMR14006YDDCR SNVU311 – November 2013 Submit Documentation Feedback LMR14003Y/6YEVM Evaluation Board Copyright © 2013, Texas Instruments Incorporated 1 Setup 2 www.ti.com Setup This section describes the jumpers and connectors on the EVM and how to properly connect, set up and use the LMR14003Y/6YEVM. 2.1 Input/Output Connector Description Vin – Input is the power input terminal for the device. Adjacent to it is the GND reference ground. Use those terminals to attach the EVM to a cable harness. Vout – Output is the output terminal for the LMR14003Y/6Y switch-mode regulator. Adjacent to it is the GND reference ground. EN is the jumper used to enable the switch-mode converter. The rail will be enabled when the respective jumper is high or floating, and disabled when low. External resistors can also be used to adjust the EN turn off trip point, and the jumper should not be used in that case. OFF OFF ON ON Enabled Disabled Figure 2. Enable Jumper Setting 2.2 Adjusting the Output Voltage The output voltage can be changed from 5.0V to another voltage by adjusting the feedback resistors using the following equation: VOUT = VFB (1+(R4/R3)) (1) Where VFB is 0.765V. 2 LMR14003Y/6YEVM Evaluation Board SNVU311 – November 2013 Submit Documentation Feedback Copyright © 2013, Texas Instruments Incorporated Board Layout www.ti.com Test Points • TP_GND (x2) Ground • TP_Vin BUCK input • TP_Vout BUCK output • TP_SW Buck Phase pin 3 Board Layout Figure 3 and Figure 4 show the board layout for the LMR14006YEVM. The EVM offers jumper to enable the regulator. Figure 3. Top Layer SNVU311 – November 2013 Submit Documentation Feedback LMR14003Y/6YEVM Evaluation Board Copyright © 2013, Texas Instruments Incorporated 3 Board Layout www.ti.com Figure 4. Bottom Layer 4 LMR14003Y/6YEVM Evaluation Board SNVU311 – November 2013 Submit Documentation Feedback Copyright © 2013, Texas Instruments Incorporated Schematic and Bill of Materials www.ti.com 4 Schematic and Bill of Materials Figure 5. LMR14006YEVM Schematic SNVU311 – November 2013 Submit Documentation Feedback LMR14003Y/6YEVM Evaluation Board Copyright © 2013, Texas Instruments Incorporated 5 Schematic and Bill of Materials www.ti.com Table 2. LMR14003Y/6YEVM Bill of Materials (BOM) Quantity 6 Designator P/N Description 1 PCB PCB 0 0 C1 EEE-FC1H100P 1 1 C2 GRM31CR71H225KA88L 1 1 C3 C0603C334K4RACTU 1 1 C4 1 1 C5 1 1 R3 1 1 R4 1 1 D1 B260A-13-F 1 0 L1 0 1 1 2 LMR14003Y LMR14006Y 1 Footprint Manufacturer Printed Circuit Board, FR4, 1oz, 2 Layers, size 1922x2054mil 1922x2054mil Any CAP, AL, 10uF, 50V, +/-20%, 2 ohm, SMD SM_RADIAL_D Panasonic CAP, CERM, 2.2uF, 50V, +/-10%, X7R, 1206 1206 MuRata CAP, CERM, 0.33uF, 16V, +/-10%, X7R, 0603 0603 Kemet GRM31CR61C226KE15L CAP, CERM, 22uF, 16V, +/-10%, X5R, 1206 1206 MuRata GRM21BR61C106KE15L CAP, CERM, 10uF, 16V, +/-10%, X5R, 0805 0805 MuRata CRCW060320K0FKEA RES, 20.0k ohm, 1%, 0.1W, 0603 0603 Vishay-Dale CRCW0603110KFKEA RES, 110k ohm, 1%, 0.1W, 0603 0603 Vishay-Dale Diode, Schottky, 60V, 2A, SMA SOD-123F Diodes Inc. SD53-150-R Inductor, Ferrite, 15uH, 1.1A, 0.122 ohm, SMD 5.2x5.2mm Cooper Bussman L1 SD53-6R8-R Inductor, Ferrite, 6.8uH,1.65A, 0.059 ohm, SMD 5.2x5.2mm Cooper Bussman 1 J1 PEC03SAAN Header, 100mil, 3x1, Tin plated, TH CONN_PEC03SAAN Sullins 2 GND 5011 Test Point, Multipurpose, Black, TH Keystone5011 Keystone 1 1 SW 5001 Test Point, TH, Miniature, Black Keystone5001 Keystone 2 2 VIN, VOUT 5010 Test Point, Multipurpose, Red, TH Keystone5010 Keystone 1 0 U1 LMR14003YDDC IC, 300 mA 40V Step-Down Converter, SOT23-6 SOT23-6 TI 0 1 U1 LMR14006YDDC IC, 600 mA 40V Step-Down Converter, SOT23-6 SOT23-6 TI LMR14003Y/6YEVM Evaluation Board SNVU311 – November 2013 Submit Documentation Feedback Copyright © 2013, Texas Instruments Incorporated IMPORTANT NOTICE Texas Instruments Incorporated and its subsidiaries (TI) reserve the right to make corrections, enhancements, improvements and other changes to its semiconductor products and services per JESD46, latest issue, and to discontinue any product or service per JESD48, latest issue. Buyers should obtain the latest relevant information before placing orders and should verify that such information is current and complete. All semiconductor products (also referred to herein as “components”) are sold subject to TI’s terms and conditions of sale supplied at the time of order acknowledgment. TI warrants performance of its components to the specifications applicable at the time of sale, in accordance with the warranty in TI’s terms and conditions of sale of semiconductor products. Testing and other quality control techniques are used to the extent TI deems necessary to support this warranty. Except where mandated by applicable law, testing of all parameters of each component is not necessarily performed. TI assumes no liability for applications assistance or the design of Buyers’ products. Buyers are responsible for their products and applications using TI components. To minimize the risks associated with Buyers’ products and applications, Buyers should provide adequate design and operating safeguards. TI does not warrant or represent that any license, either express or implied, is granted under any patent right, copyright, mask work right, or other intellectual property right relating to any combination, machine, or process in which TI components or services are used. Information published by TI regarding third-party products or services does not constitute a license to use such products or services or a warranty or endorsement thereof. Use of such information may require a license from a third party under the patents or other intellectual property of the third party, or a license from TI under the patents or other intellectual property of TI. Reproduction of significant portions of TI information in TI data books or data sheets is permissible only if reproduction is without alteration and is accompanied by all associated warranties, conditions, limitations, and notices. TI is not responsible or liable for such altered documentation. Information of third parties may be subject to additional restrictions. Resale of TI components or services with statements different from or beyond the parameters stated by TI for that component or service voids all express and any implied warranties for the associated TI component or service and is an unfair and deceptive business practice. TI is not responsible or liable for any such statements. Buyer acknowledges and agrees that it is solely responsible for compliance with all legal, regulatory and safety-related requirements concerning its products, and any use of TI components in its applications, notwithstanding any applications-related information or support that may be provided by TI. Buyer represents and agrees that it has all the necessary expertise to create and implement safeguards which anticipate dangerous consequences of failures, monitor failures and their consequences, lessen the likelihood of failures that might cause harm and take appropriate remedial actions. Buyer will fully indemnify TI and its representatives against any damages arising out of the use of any TI components in safety-critical applications. In some cases, TI components may be promoted specifically to facilitate safety-related applications. With such components, TI’s goal is to help enable customers to design and create their own end-product solutions that meet applicable functional safety standards and requirements. Nonetheless, such components are subject to these terms. No TI components are authorized for use in FDA Class III (or similar life-critical medical equipment) unless authorized officers of the parties have executed a special agreement specifically governing such use. Only those TI components which TI has specifically designated as military grade or “enhanced plastic” are designed and intended for use in military/aerospace applications or environments. Buyer acknowledges and agrees that any military or aerospace use of TI components which have not been so designated is solely at the Buyer's risk, and that Buyer is solely responsible for compliance with all legal and regulatory requirements in connection with such use. TI has specifically designated certain components as meeting ISO/TS16949 requirements, mainly for automotive use. In any case of use of non-designated products, TI will not be responsible for any failure to meet ISO/TS16949. Products Applications Audio www.ti.com/audio Automotive and Transportation www.ti.com/automotive Amplifiers amplifier.ti.com Communications and Telecom www.ti.com/communications Data Converters dataconverter.ti.com Computers and Peripherals www.ti.com/computers DLP® Products www.dlp.com Consumer Electronics www.ti.com/consumer-apps DSP dsp.ti.com Energy and Lighting www.ti.com/energy Clocks and Timers www.ti.com/clocks Industrial www.ti.com/industrial Interface interface.ti.com Medical www.ti.com/medical Logic logic.ti.com Security www.ti.com/security Power Mgmt power.ti.com Space, Avionics and Defense www.ti.com/space-avionics-defense Microcontrollers microcontroller.ti.com Video and Imaging www.ti.com/video RFID www.ti-rfid.com OMAP Applications Processors www.ti.com/omap TI E2E Community e2e.ti.com Wireless Connectivity www.ti.com/wirelessconnectivity Mailing Address: Texas Instruments, Post Office Box 655303, Dallas, Texas 75265 Copyright © 2013, Texas Instruments Incorporated