Conditioning a Switch-mode Power Supply Current Signal Using TI Op Amps
Texas InstrumentsThe switch-mode power supply primary current is often sensed using a power resistor. Using an op amp to amplify the current-sense signal can reduce cost and improve noise performance and efficiency. T
AN-1148 Linear Regulators: Theory of Operation and Compensation (Rev. B)
Texas InstrumentsThis application note discusses the operation and compensation of linear regulators.
Delta-Sigma ADC Design for Bridge Sensor Applications
Texas InstrumentsThis application report reviews several different types of bridge sensors including characteristics of each type and discusses the key parameters of delta-sigma (ΔΣ) analog-to-digital converters (ADCs) at the system level. Additionally the parameters of a ΔΣ ADC are considered for use in common bridge sensor applications
Nine-Axis Sensor Fusion Using Direction Cosine Matrix Algorithm on MSP430F5xx (Rev. A)
Texas InstrumentsThis application report explains the implementation of an Attitude and Heading Reference System (AHRS) using the ultra-low-power MSP430F5xx microcontroller a magnetometer a gyroscope and an accelerometer on all three axes. The calibration of the sensors is key to the accuracy of the algorithm therefore the sensors’ output must be calibrated before being input to the Direction Cosine Matrix (
AN071 -- CC2430 to CC2530 Migration Guide
Texas InstrumentsAN071 -- CC2430 to CC2530 Migration Guide
A Low Noise, Low Distortion Design for Antialiasing and Anti-Imaging Filters
Texas InstrumentsIn any digitizing system, antialiasing and anti-imaging filters are used to prevent the signal frequencies from "folding back" around the sample frequency and causing false (or alias) signals from app
Using the TMS320VC5510 Bootloader (Rev. C)
Texas InstrumentsThis document describes the features of the on-chip bootloader provided with the TMS320VC5510 Digital Signal Processor (DSP). Included are descriptions of each of the available boot modes and any interfacing requirements associated with them instructions on generating the boot table and information on migration from the prototype (TMX320VC5510 revision 1.x) to the production (TMS320VC5510) boot
Battery Charger Termination Issues With System Load Applied Across Battery
Texas InstrumentsBattery charger ICs base their full charge termination on either peak voltage detect (PVD/-dV) for nickel chemistries (bq2000, bq2002, and bq2004) or current taper for Li-ion batteries (bq24010, bq240
Predictive Gate Drive Boosts Converter Efficiency
Texas InstrumentsPredictive Gate Drive™ is a novel digital control-driven technique that optimizes MOSFET turn-on and turn-off delays in synchronous rectifiers. It uses a closed loop feedback system to detect body-diode conduction and continuously adjusts dead-time delays to minimize the conduction time interval. Depending upon operating frequency and output voltage the Predictive Gate Drive™ control
Selecting the Correct bq2416x Host Controlled Device (Rev. A)
Texas Instrumentsbq24160/1/3/8 Selecting the Correct bq2416x Host Controlled Device PMP/BMS/Battery_Charge/2-App_Reports
Creating a Multitasking Kernel for the COP8 Microcontroller
Texas InstrumentsApplication Note 1099 Creating a Multitasking Kernel for the COP8 Microcontroller
Using the AM18xx Bootloader (Rev. C)
Texas InstrumentsThis application report describes various boot mechanisms supported by the AM18xx bootloader read-only memory (ROM) image. Topics covered include the Application Image Script (AIS) boot process, an AI
AN-4 Monolithic Op Amp—The Universal Linear Component (Rev. B)
Texas InstrumentsAN-4 Monolithic Op Amp—The Universal Linear Component
LB-26 Specifying Selected Op Amps and Comparators
Texas InstrumentsLB-26 Specifying Selected Op Amps and Comparators
Electromagnetic Emission From Logic Circuits
Texas InstrumentsAs a result of new legal requirements covering the electromagnetic compatibility of electronic equipment users must now address this issue at system conception and when choosing components. This application report is intended to give the development engineer insight into a method of making the measurements that establish those properties of integrated circuits that primarily determine their elect
Interfacing the ADS1251/52 to the MSP430
Texas InstrumentsThis application report demonstrates an effective method to interface the ADS1251 and ADS1252 sigma-delta data converters to the MSP430F449 microcontroller. The software for this application report wa
Interfacing the TLV1572 Analog-to-Digital Converter to the TMS320C203 DSP (Rev. B)
Texas InstrumentsThis application report presents a hardware solution for interfacing the TLV1572 10-bit 1.25 MSPS (Mega Samples Per Second) successive low-power analog-to-digital converter (ADC) to the TMS320C203 16-bit fixed-point digital signal processor (DSP). In addition a C-callable interface program is shown which supports the data transfer between ADC and DSP.
Determining the Values to Program the bq26500/bq26501 EEPROM
Texas InstrumentsCustomers can program ten EEPROM registers to optimize the ability of the bq26500/bq26501 to monitor the battery capacity of a given group or type of Li-ion pack cells. This document explains how to obtain the values to be programmed in EEPROM by using information known by the pack/system designers and manufacturers and data collected from packs. HP34401A multimeters and a test setup that includes
Creating an Interactive Simulation Environment Using TMS320C40 Multi-DSP System
Texas InstrumentsThis application report describes a real-time high performance simulation environment using the Texas Instruments (TI(TM)) TMS320C40 digital signal processor (DSP). The interactive simulation environment provides a diagnostic system for measuring sampling and diagnosing actual technical processes.The real-time diagnosis of hardware errors reduces the investigative time required to identify e
5-W USB Flyback Design Example Using the UCC28722
Texas InstrumentsIn USB and isolated low power converter designs-quasi resonant and discontinuous conduction mode flyback converter topologies are a popular choice due to their low parts count and relatively low cost. To reduce the cost even further TI has developed a quasi-resonant/discontinuous current mode flyback controller with primary-side control.
