By Tahar Allag The wearable and personal-electronics industries are booming. Devices in this market vary wildly by application and use. These multifunction devices are designed to help people in their daily activities and make their lives comfortable. They can be found in different shapes, colors, sizes, and safety measures. They may differ significantly from each […]
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15-W wireless power transmitter IC certified to Qi standard
Texas Instruments (TI) (NASDAQ: TXN) today introduced the industry’s first Wireless Power Consortium (WPC) v1.2 Qi-certified 15-W wireless power transmitter. The bq501210 enables 84 percent system efficiency with significantly less thermal dissipation than traditional wireless power devices. The transmitter supports multiple fast-charging protocols and offers an array of flexible and customizable features such as personal […]
Fast isolated gate driver for high-voltage applications handles 5.7 kVrms
Texas Instruments introduced the industry’s fastest 5.7-kVRMS isolated dual-channel gate driver, the first of a new gate driver family in TI’s isolation portfolio. The UCC21520’s flexible, universal compatibility enables its use as an isolated driver in low-side, high-side, high-side/low-side or half-bridge power management designs. With its integrated components, advanced protection features and optimized switching performance, […]
Automatic decay scheme for stepper motor current regulation
by Rakesh Raja and Sudhir Nagaraj || Closed-loop current regulation in stepper motors plays a major role in determining the accuracy and smoothness of motor motion. The scheme of current control also determines the power efficiency of the motor drive system. A typical pulse-width modulation (PWM) control loop used today has a suite of fixed-decay […]
Single-chip 100-V high-side FET driver for lithium-ion batteries
Texas Instruments (TI) (NASDAQ: TXN) today introduced the first single-chip 100-V high-side FET driver for high-power lithium-ion battery applications, delivering advanced power protection and control. The bq76200 high-voltage solution efficiently drives high-side N-channel charge and discharge FETs in batteries commonly used in energy storage systems and motor-driven applications, including drones, power tools, e-bikes and more. […]
Battery monitor checks, balances 16 cells at a time
Texas Instruments (TI) (NASDAQ: TXN) today introduced the industry’s first integrated battery monitor and protector to measure 16 battery cells at one time. The bq76PL455A-Q1 provides highly accurate cell-voltage monitoring for large batteries with up to 256 cells in a series and can enable a more intelligent battery management in electric vehicles, hybrid electric vehicles, […]
Pushing the envelope with digital-isolation technology
Anant Kamath, Systems Engineer, Texas Instruments, Inc. Recent advances in isolation technology are enabling new solutions, reducing system cost, and allowing customers to push the performance envelope of their equipment. This article discusses key end applications that are driving cutting-edge innovations in isolation technology and benefitting from these innovations. Isolation is a means of […]
TI introduces lowest latency, highest ESD industrial Gigabit Ethernet PHYs, enabling real-time Industry 4.0 applications
Texas Instruments (TI) (NASDAQ: TXN) introduced the industry’s lowest latency and highest electrostatic discharge (ESD) industrial Gigabit Ethernet physical layers (PHYs). The new family of six devices enables engineers to bring real-time industrial Internet of Things (IIoT) capabilities to rugged factory automation systems, motor drives, and test and measurement equipment. The new DP83867 family meets […]
How mixed-type output capacitors affect DC/DC converter stability
by Akshay Mehta and Yang Zhang, systems and applications engineers, Texas Instruments DC/DC converters are often used in distributed power-supply architectures for industrial applications. Many architectures use two types of output capacitors: One has higher capacitance and higher equivalent series resistance (ESR), such as aluminum electrolytic, while the other has much lower ESR and relatively […]
Battery management chip sports 700-nA quiescent current
Delivering optimal battery life while reducing power consumption, Texas Instruments introduced a highly integrated battery management solution presenting the industry’s lowest quiescent current (Iq) at 700-nA with the buck converter, operating at 1.8V. The bq25120 features a linear charger, configurable LDO, load switch, buck converter, pushbutton control and battery voltage monitor all in one. The […]