一个低压低功率电压电流转换器,具有低温系数设计意识
1School of Electrical and Electronics Engineering, Nanyang Technological University, Singapore 639798, Singapore.
Sensors (Basel, Switzerland)
|February 26, 2025
概括
本研究介绍了一种超低压,低功率的电压变流器. 这种新的设计提供了卓越的温度稳定性和最小的功耗,非常适合能源有限的应用.
科学领域:
- 集成电路设计 集成电路设计
- 模拟电子产品 模拟电子产品
- 低功率电子产品 低功率电子产品
背景情况:
- 能源受限的应用需要高效的电压转换为电流.
- 现有的解决方案经常在超低电压下与稳定性和功耗作斗争.
研究的目的:
- 开发一种低压,低功率的电压变电器.
- 为了实现高温稳定性和低功耗消耗的能量受限制的系统.
主要方法:
- 在TSMC 40nm CMOS技术中的实施.
- 使用一个三级运行传导放大器 (OTA).
- 采用Q-降低频率补偿来实现稳定的运行.
主要成果:
- 达到54.68ppm/°C的温度系数 (比之前的工作提高2倍以上).
- 在0.45V的电源电压下,维持功率消耗低于2.76μW.
- 显示带宽为34.45kHz,THD为-56.66dB. 显示带宽为34.45kHz,THD为-56.66dB.
结论:
- 拟议的V-I转换器符合超低压和低功率设计要求.
- 它的性能适合生物医学传感器和物联网节点等苛刻的应用.
- 该设计提供了一个强大的解决方案,可以在广泛的温度范围内稳定运行.
相关概念视频
Voltage Doubler Circuit
441
A voltage doubler circuit integrates two main components: a clamping section and a rectifier section. The clamping section consists of a capacitor (C1) and a diode (D1), whereas the rectifier section is equipped with another diode (D2) and capacitor (C2). This circuit produces an output voltage with twice the amplitude of the sinusoidal input voltage.
441
Controlled-Current Coulometry: Overview
149
Controlled current coulometry, also known as amperostatic coulometry, is a technique used in electrochemical analysis to measure the quantity of a substance through the controlled passage of current. It involves the application of a constant current to an electrochemical cell containing the analyte of interest. As the current flows through the cell, the analyte undergoes a redox reaction at the electrode surface, resulting in a charge transfer. By monitoring the time required for a certain...
149
Voltage Dividers
469
In electrical circuits, resistors can be connected in series, sequentially linked one after the other. In a series configuration, the same current flows through each resistor. Ohm's law is a fundamental principle to understand the behavior of resistors in series. It expresses the voltage across these resistors in terms of the current and resistance.
Kirchhoff's voltage law implies that the sum of the voltages across the resistors in series equals the source voltage. This means that the...
Kirchhoff's voltage law implies that the sum of the voltages across the resistors in series equals the source voltage. This means that the...
469
Biasing of Metal-Semiconductor Junctions
191
Biasing metal-semiconductor junctions involves applying a voltage across the junction. Specifically, the metal is connected to a voltage source, while the semiconductor is grounded. This technique is essential for controlling the direction and magnitude of current flow in electronic devices, including diodes, transistors, and photovoltaic cells.
In Schottky junctions, where the semiconductor is n-type, applying a positive voltage to the metal relative to the semiconductor reduces its Fermi...
In Schottky junctions, where the semiconductor is n-type, applying a positive voltage to the metal relative to the semiconductor reduces its Fermi...
191
Diode: Forward bias
851
In semiconductor devices, diodes play a crucial role in directing current flow, and its operation is primarily categorized into forward bias and reverse bias. A diode is said to be forward-biased when its p-type region is connected to the positive terminal of a battery and its n-type region is linked to the negative terminal. This configuration reduces the potential barrier within the diode, allowing current to flow easily from the p to the n-type region.
The behavior of a diode in forward bias...
The behavior of a diode in forward bias...
851
Zener Diodes
341
Zener diodes are specialized semiconductor devices designed to operate in the reverse breakdown region, where they allow current to flow into the cathode, making it positive relative to the anode. This reverse operation distinguishes Zener diodes from conventional diodes and enables their use in various applications, most notably as voltage regulators. One of the defining characteristics of Zener diodes is their nearly vertical I-V (current-voltage) characteristic curve above a certain...
341


