LTC1693-1IS8#PBF

PMIC - Gate Drivers

The LTC1693-1IS8#PBF gate driver from Linear Technology serves as a gate driver for high side and low side gate drivers. It features two half-bridge high side output drivers and eight low-side output drivers. It can drive MOSFETs, IGBTs, and GaN HEMTs while providing accurate current limit protection and short circuit protection.

The LTC1693-1IS8#PBF gate driver uses BiCMOS process to provide short circuit protection, and can drive multiple switches with just minimal external components. It integrates 2 low-side gate drivers, 2 high-side gate drivers, and 8 logic inputs with an adjustable and controlled current limit. It also has a better rise and fall time as compared to other existing gate drivers in the market.

Features of the LTC1693-1IS8#PBF include a maximum operating supply voltage of 15 volts, a maximum output current of 8 amps, a switching frequency of 500 kHz, and current limit accuracy of 0.5%. It also has a sleep mode which can reduce supply current to 5µA.

Application Field

The LTC1693-1IS8#PBF gate driver can be used in motor control, power management, industrial automation, LED lighting, and other power electronics applications which require high efficiency and reliability. It can be used in Sensorless BLDC Motor Control applications, which require a high side and low-side gate driver.

The LTC1693-1IS8#PBF gate driver is ideal for automotive applications, such as seat motors, wipers, and hvac systems, which require high efficiency and reliable performance over extended periods of time. It is also suitable for use in medical instrumentation, such as medical imaging systems, medical defibrillators, and other medical equipment, which require accurate and reliable gate drivers.

Working Principle

The LTC1693-1IS8#PBF gate driver is based on a BiCMOS process, which provides short circuit protection and allows it to safely drive multiple switches with minimal external components. The gate driver features two half-bridge high side output drivers and eight low-side output drivers. It also has adjustable and controlled current limit protection that monitors the output current and limits the maximum current to avoid short circuit events.

The LTC1693-1IS8#PBF gate driver also features an efficient sleep mode, which reduces its supply current to 5µA when the device is not in use. This feature allows for improved power savings, resulting in increased reliability.

In order to ensure accurate and reliable operation, the gate driver features an advanced thermal protection design. This design provides fast start-up times and protection from thermal overloads in order to ensure the gate driver remains in an optimal operating range.

The LTC1693-1IS8#PBF gate driver is an ideal option for many power electronics applications due to its current limit protection, short circuit protection, adjustable current limit, and efficient sleep mode. Its advanced thermal protection design also ensures reliable and accurate operation over extended periods of time.