IR2104S

Current - Peak Output (Source, Sink):	210mA, 360mA
Base Part Number:	IR2104S
Supplier Device Package:	8-SOIC
Package / Case:	8-SOIC (0.154", 3.90mm Width)
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 150°C (TJ)
Rise / Fall Time (Typ):	100ns, 50ns
High Side Voltage - Max (Bootstrap):	600V
Input Type:	Non-Inverting
Series:	--
Logic Voltage - VIL, VIH:	0.8V, 3V
Voltage - Supply:	10 V ~ 20 V
Gate Type:	IGBT, N-Channel MOSFET
Number of Drivers:	2
Channel Type:	Synchronous
Driven Configuration:	Half-Bridge
Part Status:	Obsolete
Packaging:	Tube

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IR2104S is an advanced gate drive circuit developed by International Rectifier (IR). It is one of the leading Power Management IC (PMIC) – Gate Drivers on the market, suitable for a wide range of power electronics applications. This article will provide an overview of the application fields of IR2104S and its working principle.IR2104S can be used in several types of applications, such as motor controls, solar inverters and inverters for converting renewable energy, automotive applications, motor drives and power conversion, etc. With its low voltage drop, low quiescent current, high speed operation and current mode control, it can provide superior performance and make system designs more efficient.The basic principle behind the working of IR2104S is that it acts as a switching bridge between the low-voltage bus and the high-voltage bus. The low-voltage bus is connected to the input of the gate drive circuit, while the output is connected to the high-voltage bus. The voltage drop across the gate drive circuit is regulated by an internal MOSFET, and the output current is controlled by a current-mode control circuit. The internal MOSFET is used to control the voltage drop across the gate drive circuit, and the current-mode control circuit is used to regulate the output current within the desired range.IR2104S is designed for high voltage applications, as it can handle up to 200V and operate with a maximum frequency of 400kHz. The circuit also offers a high degree of safety, as it is protected against current and voltage overshoots, reverse voltage and over voltage, under voltage and overload, short circuit and ESD protection. The device is also equipped with an adjustable slew rate control, a user-programmable dead time control, an adjustable under-voltage cutoff and an adjustable over-temperature shutdown.IR2104S can be used as a single IC solution in motor drives and power converters, and as a dual solution in solar inverters and renewable energy inverters. It is also capable of supporting a wide range of systems and devices, including stepper motors, DC motors, AC motors, synchronous rectifier bridges, linear regulators and other power converters.The IR2104S has been designed with several features to ensure reliable operation, including integrated gate drivers and on-chip temperature sensors. The device also includes pulse width modulation (PWM) and short-circuit protection, as well as an overtemperature protection system. The integrated diagnostics system can detect any fault conditions and provide feedback to the system, allowing the system to take corrective action. The IR2104S also features built-in features to reduce power consumption, such as adaptive MOSFET gate-discharge technology and Dynamic Gate Impedance Control (DGIC). This ensures that the gate drivers deliver fast switching and better thermal performance, with lower power consumption.The IR2104S is suitable for a wide range of applications, and is one of the most popular Power Management IC (PMIC) – Gate Drivers on the market. With its low voltage drop, low quiescent current, high speed operation and current mode control, it can provide superior performance, making designs more efficient and reliable. Additionally, the device offers a wide range of features, such as adjustable slew rates, user-programmable dead time control, adjustable under-voltage cut-off, adjustable over-temperature shutdown, advanced diagnostics and low power consumption, all combined to make a powerful and reliable gate driver package.

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