Year: 2024
Type: conference-paper
Abstract: The Bandgap reference (BGR), usually referred to as a voltage source with high stability, is an indispensable basic circuit module in digital analog systems such as sensors, serdes, linear voltage regulators (LDO), and switching regulators. This paper put forward a BGR, which is based on the Brokaw structure, with a low-temperature coefficient and high precision. The BGR has the characteristics of fewer components, wide applicability, and an excellent index. At the process corner, in the range of -40-125°C, the temperature coefficient can reach 4.52 ppm/°C, while in the Monte Carlo simulation, the 3σ accuracy is 0.6%. The circuit can work under a wide input voltage of 1.8-3.3 V, which greatly reduces the influence of resistance, bipolar transistor, and op-amp input offset voltage on BGR output.
Authors: Tianting Zhao, Ming Sun, Haoze Su, Guangxuan Rao, Wenxin Yu, Yi Hu, Mengjiao Li, Tao Wang, Jiping Li
Institution: Zhejiang University
Language: English
Subfield: Electrical and Electronic Engineering
Field: Engineering
Domain: Physical Sciences
Open Access status: diamond
OpenAlex ID: W4403512795