bq20z80-V101 Temporary SBS.FullChargeCapacity() Invalid Data
Texas InstrumentsTemporary invalid data in the SBS.FullChargeCapacity() register of the bq20z80-V1.01 could occur under rare conditions. This application report describes those conditions and the solutions.
7-W Single Stage PFC LED Lighting Design with TRIAC Dimming
Texas Instruments7-W Single Stage PFC LED Lighting Design with TRIAC Dimming Written in China
JPEG Loop Back on the DM642 EVM
Texas InstrumentsThe software demonstrates real-time D1 JPEG encoding and decoding of images on a DM642 EVM. The JPEG standard pertains to compression of still images. Performing JPEG at the rate of 30 frames per second in isolation as individual images is considered motion JPEG (MJPEG). The demonstration uses:
- JPEG encoder library optimized for a DM642 EVM capable of real-time D1 encoding
- JPEG dec
OA-11 A Tutorial on Applying Op Amps to RF Applications (Rev. B)
Texas InstrumentsWith operating frequencies exceeding 300MHz Texas Instruments line of monolithic and hybrid currentfeedback operational amplifiers have become an attractive option for the RF (and IF) design engineer.Typical operational amplifier specifications do not however include many of the common specificationsfamiliar to RF engineers. To help the designer exploit the many advantages these amplifier
DLP LightCommander API Application Report (Rev. C)
Texas InstrumentsDLP LightCommander API Application Report DLPA014C DLP/Application_Reports
DVS For OMAP1510 Using TPS62200
Texas InstrumentsPortable electronics with long battery lives are unquestionably more marketable. Power consumption of the microprocessor can be reduced by lowering the internal clock frequency and/or even more by lowering the core supply voltage. Dynamic voltage scaling (DVS) is used to reduce core supply voltage to minimize power consumption. This application note explains how to implement DVS using a TPS6220
Design 4: Support of Multiple Li-Ion Chemistries w/Impedance Track(TM) Gas Gauge (Rev. R)
Texas InstrumentsSupport of Multiple Li-Ion Chemistries With Impedance Track(TM) Gas Gauges
Optical Implementation Using IEEE-1394.b (Rev. A)
Texas InstrumentsIEEE Std 1394b-2002 specification allows the use of optical media for longer distances at higher speeds. The use of optical media provides galvanic isolation lower electromagnetic interference (EMI) and lower interference from the environment.Interfacing 1394.b physical-layer devices (PHYs) may require additional components depending on the type of fiber-optic transceiver (FOT) selected. Th
Bq2000 in Constant Voltage Phase for Li-ion Battery
Texas InstrumentsThe bq2000 charger can be used to charge Li-Ion, NiCd, or NiMH batteries. It uses three charging modes, the pre-charge, fast charge, and termination mode. It detects the battery chemistry type during
C Routines for Setting Up the AIC on the TMS320C5x EVM
Texas InstrumentsThis document discusses how to use the C programming language to control the AIC on the TMS320C5x EVM. Different ways of doing this are shown with code listings and examples for each.
DSP/BIOS Real-Time Analysis (RTA) and Debugging Applied to a Video Application
Texas InstrumentsDSP/BIOS and the Reference Frameworks allow developers to non-intrusively instrument real-time applications. The software provided with this application note applies real-time analysis (RTA) services to a working application--?a H.263 encode/decode loopback example for the TMS320DM642 evaluation module. The software demonstrates techniques for benchmarking and controlling video software. It also i
Audio Capacitive Touch BoosterPack MSP430 Software
Texas InstrumentsThe LaunchPad™ ACTBP host application is the firmware running on the MSP430 LaunchPad development kit to demonstrate the Audio Player Recorder Framework for the C5000™ Audio Capacitive Touch BoosterPack.
Usage of MPU Subregions on TI Hercules ARM Safety MCUs
Texas InstrumentsA Memory Protection Unit (MPU) is a module used to modify the memory types and attributes as defined in a processor?s memory ordering model. The MPU is specific to each core in the system and can only
Clock Divider Circuit for the ADS1202 in Mode 3 Operation
Texas InstrumentsThe ADS1202 is a precision 80dB dynamic range delta-sigma (ΔΣ) modulator operating from a single +5V supply. The differential inputs are ideal for direct connections to transducers or low-level signals. With the appropriate digital filter and modulator rate the device can be used to achieve 15-bit analog-to-digital conversion with no missing codes. This application note describes ho
Wall Adapter Powers IEEE 802.3af Powered Device
Texas InstrumentsPower-on-Ethernet is an emerging technology that allows an existing Ethernet connection to carry both data and power. However today's powered-device (PD) designers face a dilemma - not all Ethernet connections are wired for power. To operate with these legacy connections a PD can use a wall adapter but this capability must be designed into the PD.
Using the AM17xx Bootloader (Rev. C)
Texas InstrumentsThis application report describes various boot mechanisms supported by the AM17xx bootloader read-only memory (ROM) image. Topics covered include the Application Image Script (AIS) boot process an AISgen tool used to generate boot scripts protocol for booting the device from an external master device a UART Boot Host GUI for booting the device from a host PC and any limitations default settin
3D Analog Front End: Migrating From TMS37122 and TMS37127 to TMS37126D3
Texas InstrumentsThe TMS37122, TMS37127 and TMS37126 devices belong to the Passive Entry and Passive Start (PEPS) product family used mainly for automotive applications. These devices are also usable in industrial app
Evaluation 2: Exploring the bq20z80 Impedance Track Evaluation Kit
Texas InstrumentsThe bq20z80 evaluation module (EVM) and its corresponding evaluation software provides a rich and effective environment for examining the bq20z80 - a new advanced battery gas gauge. This application report covers this EVM and software with an emphasis on how to use it and what to expect. EVM board connections are discussed in detail and helpful hints are offered. For the evaluation software com
Quick Start Guide for a 0.5 Amp Buck Regulator Using The LM5574 and LM25574 (Rev. B)
Texas InstrumentsThe LM5574 and LM25574 switching regulators feature all of the functions necessary to implement an efficient high voltage buck regulator using a minimum of external components. These easy to use reg
