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A level shifter, also known as a logic-level shifter or voltage level translator, is a circuit used in digital electronics to translate signals from one logic level or voltage domain to another. This enables compatibility between integrated circuits with various voltage requirements, such as TTL and CMOS.
The Global High voltage level shifter market accounted for $XX Billion in 2021 and is anticipated to reach $XX Billion by 2030, registering a CAGR of XX% from 2022 to 2030.
A Novel Floating High-Voltage Level Shifter with Pre-Storage Technique.An innovative floating high-voltage level shifter (FHV-LS) that uses pre-storage for high speed and little propagation delay variation.
This technique optimises the transmission pathways from input to output, which results in a propagation delay of the proposed FHV-LS that can reach sub-nanosecond levels.
A pull-up network with controlled strength is added to further reduce the propagation delay by cutting down on the fall time, a significant contributor to propagation delay.
Gate drivers with minimal propagation delays and high operating frequencies are highly sought after due to the rise in power density and switching speed of the power devices. The gate drivers are designed to function in the closed-loop mode to react to the change in loads when feedback-based regulation is used.
Additionally, certain gate drivers provide overcurrent prevention and fault indication features. Low propagation delay is essential for gate drivers in order to provide precise regulation and quick protection.
Modern gate drivers have a propagation delay in commercial applications of the order of ten nanoseconds, excluding the delay brought on by bonding wires and pads. Multi-voltage power supply technology is used in gate drivers to balance switching speed and power usage.
The level shifter in the gate driver develops as a crucial interface for communication between circuits powered by various voltages. FHV-LS can transfer the control signal from the low-side power rail to the high-side power rail with floating-ground, giving instructions to the output of the gate driver in the medium/high-voltage gate driver or half-bridge gate driver.
The FHV-LS with nanoseconds of propagation delay will adversely affect the overall propagation delay of the high-speed gate driver.
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