Texas Instruments NA210-214EVM User Manual Download Page 13 | Manualshive

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5.2

PCB Layout

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INA210-214EVM Schematic and PCB Layout

illustrates the PCB layout for the INA210-214EVM.

Figure 12. INA210-214EVM PCB

SBOU065 – August 2008

INA210-214EVM User's Guide

13

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Summary of Contents for NA210-214EVM

Page 1: ...plete bill of materials Contents 1 Introduction and Overview 2 2 Quick Start Setup and Use 4 3 INA210 214EVM Circuit 6 4 Reference Voltage Setup 11 5 INA210 214EVM Schematic and PCB Layout 12 6 Bill of Materials 14 List of Figures 1 Hardware Included with the INA210 214EVM 3 2 Measurement with Shunt 4 3 Measurement without Shunt 5 4 TO 247 Package In R1 6 5 CS3 Package in R1 6 6 TO 126 Package in ...

Page 2: ...mily The fixture layout is not intended to be a model for the target circuit nor is it laid out for electromagnetic compatibility EMC testing The layout of the INA210 214EVM printed circuit board PCB is designed to provide the following features Easy handling of the small package a mechanical drawing of the recommended land pattern is found at the end of the product data sheet Easy access to all d...

Page 3: ...test fixture populated with an INA210 is provided in all INA210 214EVMs delivered as Figure 1 shows Figure 1 Hardware Included with the INA210 214EVM The INA210 214EVM kit is shipped with the following items INA210 214EVM PCB Five populated test boards INA210 INA211 INA212 INA213 INA214 If any of these items are missing or damaged please contact the Texas Instruments Product Information Center nea...

Page 4: ...terminal of T3 to ground The voltage applied at the reference input can vary depending on how the device is to be used Further details regarding the use of the reference voltage are discussed later in this document Step 4 Connect the input This connection method allows the user to install a shunt resistor on the EVM and connect the common mode voltage and load to incorporate the test device direct...

Page 5: ...easurement configuration without a shunt To configure a measurement evaluation without a shunt follow these procedures 1 Connect a differential voltage to the VIN and VIN terminals of T2 With the reference voltage set at ground ensure that the VIN terminal is the more positive of the two inputs 2 Measure the output voltage at the VOUT terminal of T2 Figure 3 Measurement without Shunt Note The outp...

Page 6: ...hole is connected directly to the VIN and VIN inputs respectively The designation of 3 and 4 indicates that a particular hole is intended for the sense measurement of a four wire shunt Care must be taken to ensure that the shunt is placed in the correct position in the R1 location This placement consideration is evident when using a two connection shunt with a spacing of 200 mils 200in or 5 080mm ...

Page 7: ...www ti com INA210 214EVM Circuit Figure 6 TO 126 Package in R1 Figure 7 TO 220 Package in R1 SBOU065 August 2008 INA210 214EVM User s Guide 7 Submit Documentation Feedback ...

Page 8: ...ended to handle two and four terminal radial packages as Figure 8 shows as well as surface mount packages that range in size from 0603 to 1206 Figure 8 Radial Package in R2 INA210 214EVM User s Guide 8 SBOU065 August 2008 Submit Documentation Feedback ...

Page 9: ...e appropriate device The INA210 214 devices are identical with the exception of different gain settings The differential input voltage is either applied across the inputs or developed based on the load current that flows through the shunt resistor The limiting factor that requires attention to be given to device selection is the output voltage The selected device must allow the output voltage to r...

Page 10: ...INA210 214EVM Circuit www ti com Figure 9 U1 Footprint Figure 10 U1 Populated with DIP Board INA210 214EVM User s Guide 10 SBOU065 August 2008 Submit Documentation Feedback ...

Page 11: ...itate easier probing The INA210 214 devices allow for the use of an external reference This reference determines how the output responds to certain input conditions The reference also allows these devices to be used in both unidirectional and bi directional applications Unidirectional refers to a load current that flows in only one direction For unidirectional applications the reference voltage ca...

Page 12: ...Burr Brown Products LOGO1 Vout REF V Vin Vin V GND REF Vin Vin Vout 1 2 3 4 5 6 7 8 9 10 J2 INA210 214EVM Schematic and PCB Layout www ti com Note Board layouts are not to scale These figures are intended to show how the board is laid out they are not intended to be used for manufacturing INA210 214EVM PCBs Figure 11 shows the schematic for the INA210 214EVM PCB Figure 11 INA210 214EVM Schematic I...

Page 13: ...www ti com INA210 214EVM Schematic and PCB Layout Figure 12 illustrates the PCB layout for the INA210 214EVM Figure 12 INA210 214EVM PCB SBOU065 August 2008 INA210 214EVM User s Guide 13 Submit Documentation Feedback ...

Page 14: ...nn Header 32 POS 100 SGL GOLD 4 per Strip TSW 132 07 G S Samtec size 11 All test points TP cut to Conn Header 32 POS 100 SGL GOLD TSW 132 07 G S Samtec size 8 None N A Pin Socket Rcpt 014 026 30AU U1 5050863 5 AMP 4 None N A Screw Machine Phillips Panhead 4 40 x 1 4 SS PMSSS 440 0025 Building PH Fasteners 4 None N A Standoffs Hex 4 40 Threaded 0 500 length 0 250 2203 Keystone OD Electronics 5 INA2...

Page 15: ...roduct This notice contains important safety information about temperatures and voltages For additional information on TI s environmental and or safety programs please contact the TI application engineer or visit www ti com esh No license is granted under any patent right or other intellectual property right of TI covering or relating to any machine process or combination in which such TI products...

Page 16: ...usiness practice TI is not responsible or liable for any such statements TI products are not authorized for use in safety critical applications such as life support where a failure of the TI product would reasonably be expected to cause severe personal injury or death unless officers of the parties have executed an agreement specifically governing such use Buyers represent that they have all neces...

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