SCANSTA112 Quick Reference Guide

The TPS61181 is an ideal LED driver IC for medium form factor LCD backlighting. This device has a built-in high-efficiency boost regulator with integrated 1.5-A/40-V power MOSFET. It provides six current-sink regulators of 25 mA. The device can support up to 60 white LEDs. In addition the boost output automatically adjusts its voltage to total LEDs forward voltage to optimize the whole solution

This report describes the effect that high local oscillator (LO) harmonics have on the I/Q balance of a complex (I/Q) modulator. The imbalance that is generated has a direct impact on sideband suppression performance of the I/Q modulator. This application report discusses the theoretical distortion generated by the harmonics along with measured results showing the effect on sideband suppression

LDO Noise Demystified LDO Noise Demystified

Many applications require bidirectional data transfer between 5-V and 3.3-V systems. Two methods of maintaining the lowest possible total system power consumption and safe operation with mixed-mode si

This application report describes techniques for measuring throughput and latency of OMAP™ TIARM925T data accesses through the on-chip traffic controller. Complete examples are given using external memories such as SDRAM and SRAM for reads writes and back-to-back read-write sequences.

JTAG Advanced Capabilities and System Design

Implementation of Power Supply Volume Control

The UCC3981 Power Controller provides a self-powered USB hub with a local 3.3V regulated voltage, as well as four 5V regulated voltages for USB ports. The 3.3V linear regulator provides power to a loc

The demand for driving 1.5-V HSTL signals for high-integrated and low-voltage digital logic is increasing. Most current systems use LVDS, LVPECL, or 2.5-V LVCMOS signaling levels. Therefore, a soluti

The UC3705 family of power drivers is made with a high speed Schottky process to interface between low-level control functions and high-power switching devices particularly power MOSFETs. These devices are also an optimum choice for capacitive line drivers where up to 1.5 amps may be switched in either direction. With both inverting and non-inverting inputs available logic signals of either pola

This application report presents basic code for initializing and operating the TMS320LF240x DSP devices. Two functionally equivalent example programs are presented: one written in assembly language and the other in C language. Detailed discussions of each program are provided that explain numerous compiler and assembler directives code requirements and hardware-related requirements. The programs

This application report describes differences between the Texas Instruments TMS320x280x/2801x/2804x and TMS320x2833x/2823x microcontrollers to assist in application migration. While the main focus of

The UCC3800 IC has several innovative features for general purpose current-mode controlled applications: high speed circuitry, undervoltage lockout, an op-amp type error amplifier, fast overcurrrent p

bq275xx Host System Calibration Method

It is a known fact that the electrical contact of the seams in a chassis containing high-frequency switching signals must be sealed in order to provide EMI containment. This application report describes the issues and pitfalls created by the metal finish and the design of the chassis mating surfaces (seams).

LM5023-2EVM Notebook Adapter LM5023-2 SNVA686

Two circuits using the LM335 for thermocouple cold-junction compensation have been described. With asingle room temperature calibration these circuits are accurate to ±3/4°C over a 0°C to 70°C temperaturerange using J or K type thermocouples. In addition a thermocouple amplifier using an LM335 for coldjunctioncompensation has been described for which worst case error can be as low as 1°C p