- Lowest-drift remoted Corridor-effect present sensor reduces design complexity in high-voltage methods
- EZShunt™ built-in shunt portfolio simplifies designs whereas lowering system value and maximizing efficiency
Texas Devices (TI) (Nasdaq: TXN), a pacesetter in superior sensing applied sciences, at this time debuted new present sensors to assist engineers simplify their designs whereas bettering accuracy. Designed for a broad vary of common-mode voltages and temperatures, the brand new merchandise embrace a lowest-drift remoted Corridor-effect present sensor for high-voltage methods and a portfolio of present shunt screens that eradicate the necessity for an exterior shunt resistor for nonisolated voltage rails.
The brand new TMCS1123 Corridor-effect present sensor provides design simplicity and accuracy for high-voltage methods, that includes the business’s highest strengthened isolation and highest accuracy over lifetime and temperature. For nonisolated methods as much as 85 V and 75 ARMS, TI’s new EZShunt™ portfolio contains the business’s smallest absolutely built-in present shunt monitor and the business’s highest-accuracy 75-A built-in shunt resolution. For extra data, see TI.com/TMCS1123 and TI.com/EZShunt.
“When selecting a current-sensing resolution, design engineers weigh the trade-offs of 4 key elements: value, dimension, accuracy and pace,” mentioned Jason Cole, enterprise unit supervisor. “These new merchandise spotlight how the breadth of our sensing applied sciences tackle this design problem for quite a lot of methods. Take the TMCS1123, for instance; its excessive accuracy and low propagation delay allow designers to now use Corridor-effect sensors in high-voltage methods the place they couldn’t earlier than – and that opens the door to cut back system value and dimension.”
Obtain quick, correct management in high-voltage methods with Corridor-effect present sensors
The necessity for extremely correct present measurements in high-voltage methods reminiscent of electrical car chargers and photo voltaic inverters is rising, however Corridor-effect present sensors have sometimes been neglected given their excessive drift over lifetime. The TMCS1123 Corridor-effect present sensor options the very best strengthened isolation working voltage of 1,100 VDC. The TMCS1123 additionally incorporates a most sensitivity error of ±0.75% with 50 ppm/°C drift over temperature and ±0.5% drift over lifetime. With this excessive accuracy, the TMCS1123 allows designers to optimize system efficiency whereas simplifying design. The excessive precision and stability over lifetime take away the necessity to recalibrate gear, lowering expensive and time-consuming upkeep.
As well as, attaining exact management of energy conversion is paramount for optimizing system effectivity and safety. The TMCS1123 options low propagation delay of 600 ns and bandwidth of 250 kHz, which allow sooner management loops whereas holding noise low to assist improve system effectivity. To be taught extra, see the technical article, “The best way to simplify correct present sensing in high-voltage methods.”
Simplify and scale back system dimension with EZShunt expertise
TI’s new EZShunt portfolio of current-sensing options simplifies designs by eradicating the necessity for an exterior shunt resistor. The portfolio gives a completely built-in current-sensing resolution that matches inside the footprint of a 1206 shunt resistor, providing the worth of a discrete resolution with the simplicity of a single chip.
The EZShunt portfolio provides each cost-optimized and high-accuracy choices, that includes drift as little as 25 ppm/°C, in quite a lot of packages and shunt values. The INA700 is the business’s smallest built-in present shunt monitor, enabling engineers to cut back the dimensions of their current-sensing resolution by as a lot as 84%. The portfolio additionally contains the INA781, the business’s highest-accuracy 75-A built-in shunt resolution, which helps common-mode voltages as much as 85 V.
TI’s new Corridor-effect and EZShunt current-sensing options construct on the corporate’s dedication to serving to engineers sense the world extra precisely. To be taught extra, see TI.com/sensing.
Bundle, availability and pricing
Preproduction portions of the TMCS1123 Corridor-effect present sensor can be found now, solely on TI.com, in a ten.3-mm-by-10.3-mm, 10-pin small define built-in circuit (SOIC) package deal. Pricing begins at US$2.37 in 1,000-unit portions. Designers should purchase the TMCS1123EVM for US$49.99. A number of cost and delivery choices can be found on TI.com. Greater bandwidth and automotive-qualified variations of the TMCS1123 are anticipated to be accessible in fourth quarter of 2023 and second quarter of 2024, respectively.
Preproduction portions of EZShunt merchandise can be found now, solely on TI.com, in quite a lot of package deal choices as small as 1.319-mm x 1.239-mm. Pricing begins at US$0.80. Designers should purchase analysis modules beginning at US$49.99. A number of cost and delivery choices can be found on TI.com. Analog and automotive variations of EZShunt merchandise are anticipated to be accessible in second quarter of 2024.
About Texas Devices
Texas Devices Included (Nasdaq: TXN) is a world semiconductor firm that designs, manufactures, checks and sells analog and embedded processing chips for markets reminiscent of industrial, automotive, private electronics, communications gear and enterprise methods. Our ardour to create a greater world by making electronics extra reasonably priced by way of semiconductors is alive at this time, as every technology of innovation builds upon the final to make our expertise smaller, extra environment friendly, extra dependable and extra reasonably priced – making it doable for semiconductors to enter electronics in every single place. We consider this as Engineering Progress. It’s what we do and have been doing for many years. Be taught extra at TI.com.
