NISP: An NFC to I<sup>2</sup>C Sensing Platform With Supply Interference Reduction for Flexible RFID Sensor Applications

Tan, Jun; Sathyamurthy, Muralikrishna; Rolapp, Alexander; Gamez, Jonathan; El-Kharashi, Moataz S.; Saft, Benjamin; Jager, Sylvo; Sommer, Ralf

doi:10.1109/jrfid.2020.2967862

Cited by 3 publications

(3 citation statements)

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“…In the circuit architecture of an ALDO using an NMOS as the pass transistor, the gate capacitance of the NMOS is much smaller compared to the PMOS; this results in a wide UGB, which improves the load transient response and PSR [3]. In addition, good loop stability is achieved due to the low output resistance in the source follower configuration of the NMOS pass transistor [48].…”

Section: B Aldos With Charge Pumpmentioning

confidence: 99%

“…The industrial revolution known as Industry 4.0 has inspired the explosive growth of personal mobile and portable devices. The Internet of Things (IoT) and Internet of Everything (IoE) represent the core of Industry 4.0 [1], [2] and are crucial to cater to the growing demand for technologies based on mobile and portable devices, such as radio frequency identification (RFID) [3], smart factories equipped with advanced technologies, machine-to-machine (M2M) and machine-to-human (M2H) communication [4], along with IoT edge sensors [5]. As these applications of IoTs are now becoming mainstream, system-on-chip (SoC) modules are a viable option [6] due to the wide variety of such applications.…”

Section: Introductionmentioning

confidence: 99%

“…45 GHz band, to design more compact and cheaper IoT sensors [12]. Depending on the power requirement of different IoT applications, IoT modules may be fully batteryless [1]- [3] or may use a combination of energy harvesting and energy storage, such as a supercapacitor or battery [16], which provides flexibility in terms of power supply options for IoT applications. Despite the milestone offered by energy harvesting solutions, fluctuations in the available energy for harvesting require the integration of a power management unit (PMU), which is crucial for providing a stable supply voltage to the modules in IoT sensors [2], [9], [12]- [16].…”

Section: Introductionmentioning

confidence: 99%

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Evaluation and Perspective of Analog Low-Dropout Voltage Regulators: A Review

et al. 2022

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Low-dropout regulators (LDOs) are widely adopted in power management integrated circuits (PMICs) and serve as a bridge between the switching regulators and individual on-chip modules to provide a smooth, regulated output voltage. Compared to digital LDOs (DLDOs), analog LDOs (ALDOs) lead in the advantage of low output ripple and large power supply rejection (PSR). However, the preference of achieving high performance in terms of load transient, high PSR, good load and line regulation, while maintaining a low quiescent current and low dropout voltage for high efficiency, remains the key challenge in ALDO design. For operation with a low quiescent current, the bandwidth is reduced due to low transconductance, resulting in the limited gate driving capabilities in terms of charging and discharging the large gate capacitance of the pass or output transistor. In addition, the preference for system-on-chip design in the absence of large off-chip capacitors arises stability issues. In this paper, recent reported state-of-theart architectures for ALDOs are revisited and reviewed. The performance of these ALDOs is compared and their applications are investigated.INDEX TERMS Linear low-dropout regulators (LDOs), power management integrated circuits (PMICs), analog LDOs (ALDO), capacitor-less output, adaptive biasing, bulk modulation, power supply rejection (PSR), flipped voltage follower (FVF), charge pump.

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Section: B Aldos With Charge Pumpmentioning

confidence: 99%