TPS62130/40/50 Sequencing and Tracking
Texas InstrumentsThe TPS6213x/4x/5x is a family of synchronous buck DC-DC converters with a wide operating input voltage range from 3 V to 17 V and adjustable output voltage of 0.9 V to 6 V. Because of the wide input and output voltage ranges, they are ideal for use in systems which contain multiple output voltage rails. This application note describes how to use the EN, PG, and SS/TR pins in tracking and sequencing applications in such systems which contain any combination of the TPS6213x, TPS6214x, or TPS6215x devices.
Driving Large LCDs with LCD Peripheral of the MSP430 (Rev. A)
Texas InstrumentsThe 4xx family of MSP430™ devices has two different types of integrated LCD drivers namely the LCD controller and the LCD_A controller.The 6xx family of MSP430 devices also has two different types of integrated LCD drivers namely the LCD_B controller and the LCD_C controller.This application report focuses on the LCD controller but the principles shown here apply to all versions.The
HS Load/Line Transient Jigs and App Rpt for Testing POL Regulators
Texas InstrumentsThese days high-speed and communication portable systems employ voltage regulators that demandfaster response time. It is necessary to generate steps in line voltage and load current that are fast withrespect to the regulator’s control loop response time. Lab equipment and many apparatus that use opampspassives and large driver chains are limiting the rise and fall times of the stimulus s
FOUR-WIRE RTD CURRENT-LOOP TRANSMITTER
Texas InstrumentsPlatinum Resistance Temperature Detectors (RTD)s are favored for demanding temperature measurement applications such as process control because of their excellent accuracy and sensor interchangeability. Combining an RTD with a Burr-Brown XTR105 forms a complete precision temperature to 4-to-20mA current-loop transmitter solution. Current-mode transmission gives superior noise rejection and is im
TPS23861 Power-On Considerations
Texas InstrumentsTPS23861 is an IEEE 802.3at compliant PSE controller containing both analog and digital circuits as well as an embedded processor. The VPWR pin supplies power to the internal analog circuits while the VDD pin supplies power for the digital circuitry and processor. Each power supply pin monitors input voltage and creates an internal power on reset for the internal circuits. Additionally the
TMS320 Algorithm Debugging Techniques ( Contains Scanned Text)
Texas InstrumentsAs DSP tasks become increasingly complex the ability to debug a DSP algorithm as a discrete transfer function is becoming more critical.This report analyzes a technique for debugging a coded transfer function in a purely software environment using traditional analog troubleshooting methods applied to analyze and debug DSP algorithms using Texas Instruments (TI)(tm)TMS320.Topics discussed
OMAP5910 DSP DMA Throughput Analysis
Texas InstrumentsThe DSP Catalog OMAP? architecture devices contain a six-channel DSP DMA that is used to transfer blocks of data without intervention by the TIARM925T MPU or the C55X DSP. This application report analyzes the DMA throughput between some of the different sources and destinations. Optimization techniques for improving throughput are also discussed. Complete examples are given for using external memo
TLC5940 One Wire Control--Eliminating Microprocessor Control for Integr LED Driv
Texas InstrumentsLED drivers such as the TLC5940 provide many integrated features that require a microprocessor interface to use. When these features are not needed the TLC5940 can be configured with a single-wire interface for simple on/off control. This provides a low-cost solution to drive multiple LEDs with tight current matching while still allowing for PWM dimming in applications such as backlighting or gen
Communicating With the RFID Base Station
Texas InstrumentsThis document describes the USB RFID base station that is delivered with the eZ430-TMS37157 demo tool. It does not describe the GUI that is delivered with the tool [for a description of the GUI and other information about the tool see the eZ430-TMS37157 Development Tool User's Guide (SLAU281)]. This application report helps the reader design a custom Windows GUI to control the RFID base station.
Evaluation 6: Using SHA-1 in bq20zxx Family of Gas Gauges
Texas InstrumentsThe bq20zxx Impedance Track™ family of gas gauge ICs includes a highly sophisticated authentication algorithm known as SHA-1 which requires little setup and development time and provides an effective secure battery design.
Predicting Op Amp Slew Rate Limited Response
Texas InstrumentsPredicting Op Amp Slew Rate Limited Response
CSL 2.x to CSL 3.x Migration
Texas InstrumentsThis application report introduces the changes that have occurred between CSL 2.x and CSL 3.x, and assists users to migrate their application to the CSL 3.x architecture.
Configuring Code Composer Studio for OMAP Debugging
Texas InstrumentsThe OMAP? Code Composer Studio?(CCStudio) Integrated Development Environment (IDE) provides debug support for the OMAP platform via heterogeneous debugging of the TMS470? ARM and TMS320C5000?-based DSP subsystem cores which are connected on the same JTAG scan path within the device. Simultaneous debug of two or more CPUs sometimes referred to as co-emulation allows the user to coordinate debugg
Initialization of Hercules ARM Cortex-R4F Microcontrollers (Rev. D)
Texas InstrumentsThis application report provides a brief overview and initialization procedure of the TMS570LS31x series and the RM4x series of microcontrollers in the Hercules family. Hercules MCU will be used henceforth in this document to refer to any part in these series of microcontrollers. The document also shows code fragments from source files that are generated using the HALCoGen tool. All code const
Is Your IGBT Gate-Driver Power Supply Optimized
Texas InstrumentsInsulated Gate Bipolar Transistors (IGBTs) are used in high current three-phase AC motors. This application report discusses the theory and requirements of gate-drive power supply for IGBTs. It also discusses the isolation requirements and calculation of correct amount of IGBT drive power.
Overview of Temporal Scalability With Scalable Video Coding (SVC)
Texas InstrumentsIn recent years scalable video has gained momentum for a variety of reasons. One of the primary advantages is that scalable video provides more flexibility during transmission; it helps to adapt the bit rate midway during the transmission either in the server or in the network. Other advantages include error resilience through unequal protection and extremely fast transcode/transrate like operati
Low Sampling Rate Operation SoundPlus Audio Data Converters and CODECs
Texas InstrumentsThis application bulletin describes the operation and performance of Burr-Brown's PCM digital audio products when using low sampling frequencies.
Linear Matched Independent Current Source vs Traditional WLED Driver Solutions
Texas InstrumentsIntegrating white LED process advancements with innovative power-saving schemes (such as ambient light-controlled dimming) WLED solutions can be implemented for a wider variety of applications much more efficiently than at any time in the past. Most available WLED driver solutions still incorporate voltage boost driver solutions; however along with a wider variety of WLED applications and techno
DM369 IPNet Camera Performance Application Report
Texas InstrumentsDM369 IPNet Camera Performance Application Report
