EL7252CSZ

Series:	--
Packaging:	Tube
Part Status:	Active
Driven Configuration:	Low-Side
Channel Type:	Independent
Number of Drivers:	2
Gate Type:	N-Channel, P-Channel MOSFET
Voltage - Supply:	4.5 V ~ 16 V
Logic Voltage - VIL, VIH:	0.8V, 2.4V
Current - Peak Output (Source, Sink):	2A, 2A
Input Type:	Inverting
Rise / Fall Time (Typ):	10ns, 10ns
Operating Temperature:	-40°C ~ 125°C (TJ)
Mounting Type:	Surface Mount
Package / Case:	8-SOIC (0.154", 3.90mm Width)
Supplier Device Package:	8-SOIC
Base Part Number:	EL7252

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EL7252CSZ PMIC - Gate Drivers

The EL7252CSZ is a power management integrated circuit (PMIC - Gate Drivers) used in voltage regulators and power control circuits to control the on/off switching of high current power switching circuits. It is designed to be used in applications requiring multiplexing and pulse-width modulation of two high-current MOSFET or IGBT gates, with high current capability and low power dissipation.

Features

The EL7252CSZ is a high-voltage, low-power IC with a wide range of features, including high voltage and high current switching ability, 4-bit PWM dimming control, multiplexing mode, and high frequency response. It has an integrated low threshold level MOSFET driver optimized for MOSFETs which have a low threshold voltage of typically 0.9V.

Application Field

The EL7252CSZ is suitable for a wide range of applications, including motor control, welding equipment, medical devices, industrial motors and fixtures, HVAC, and automotive inverters. It can be used for power conversion, active filtration, lighting control, and power transfer. The EL7252CSZ can also be used in AC/DC converters, DC-DC converter modules, LED dimmers, and LED drivers.

Working Principle

The EL7252CSZ is a multi-level PWM (pulse width modulation) device that works based on the principle of pulse-width modulation. It operates by switching an input voltage from 0 to Vcc (supply voltage) in a pulse-width-modulated (PWM) waveform. This waveform is designed to control both the on and off times of the device, allowing for precise dimming of a connected LED load. When powered up, the device initially outputs a steady-state logic high level, which is then pulse-width modulated (PWM) in order to regulate the output current. In addition, the device can also support dimming by using a single digital signal. The logic high level will control the on-time of each pulse, while the logic low level will control the off-time of each pulse. The EL7252CSZ is designed to minimize the maximum switching losses by providing optimum conduction losses, fast turn-on/turn-off times, and low switching threshold voltages. The device supports the use of two level MOSFET or IGBT power switches for high current and high frequency applications. Additionally, it provides parallel mode operation, which allows for two channels to switch in a simultaneous fashion and further reduces total power dissipation.

Conclusion

The EL7252CSZ is an advanced power management integrated circuit (PMIC - Gate Drivers) designed for applications requiring multiplexing and pulse-width modulation of two high-current MOSFET or IGBT gates, with high current capability and low power dissipation. It is suitable for a wide range of applications, including motor control, welding equipment, medical devices, industrial motors and fixtures, HVAC, and automotive inverters. The device supports the use of two level MOSFET or IGBT power switches for high current and high frequency applications, with an integrated low threshold level MOSFET driver optimized for MOSFETs which have a low threshold voltage of typically 0.9V. This enhances its capability and performance, making it a highly efficient and reliable device for a variety of applications.

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