MCZ33903CS5EKR2

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Last Time Buy
Applications:	System Basis Chip
Interface:	CAN, LIN
Voltage - Supply:	5.5 V ~ 28 V
Package / Case:	32-SSOP (0.295", 7.50mm Width) Exposed Pad
Supplier Device Package:	32-SOIC EP
Mounting Type:	Surface Mount
Base Part Number:	MCZ33903

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Introduction of MCZ33903CS5EKR2

MCZ33903CS5EKR2 is an interface-specialized integrated circuit (IC) developed by CUI Inc. This IC provides 5A of continuous output current at 15V to 30V of automotive battery. It is a 3-phase DC-DC PWM step-down switching voltage regulator that integrates synchronous rectification and over-current protection functions. MCZ33903CS5EKR2 has significantly reduced the external parts needed for VRM design with its integrated Windows 8.1Certified powertrain and an onboard voltage-mode PFC controller. The result is a higher efficiency and cost-effective solution for system designs.

Applications of MCZ33903CS5EKR2

The MCZ33903CS5EKR2 is designed for automotive applications such as powertrain, DC/DC and power management systems that requires an efficient and reliable DC-DC step-down voltage converter. It is used in a variety of applications including motor start-stop vehicles, electric vehicle charging, Infotainment systems, active body curtains and switch mode power supply (SMPS). Other applications include battery powered systems, distributed power systems, and DC/DC converters.

Working principle of MCZ33903CS5EKR2

The MCZ33903CS5EKR2 is a high-efficiency DC-DC step-down voltage converter with powertrain, overvoltage and overcurrent protection. It contains a 3-phase synchronous rectification to maximize efficiency. It utilizes a voltage-mode PFC controller to reach a high power factor, thus reducing the THDi. The MCZ33903CS5EKR2 also contains a Crystal Oscillator, Battery sense circuit and Thermal protection circuitry to ensure a safe and reliable operation.The MCZ33903CS5EKR2, utilizes a PWN/PFM control to improve system performance as well as reduce output ripple and noise, making it suitable for even the most demanding applications. The frequency is adjustable from 3 kHz to 300 kHz, making it ideal for different applications. The input voltage range is adjustable from 10V to 35V, and can be extended to 100V. The integrated current limit, output over-voltage and load line protection functions, add even more robustness to the whole system design.The MCZ33903CS5EKR2 has been designed to be used with a minimum of external components, reducing the complexity of the PCB. It offers a high level of integration, resulting in a very cost effective solution for a wide range of applications. The device is DFM optimized, making it easier for the customer to design their product and speed up their time to market.

Conclusion

MCZ33903CS5EKR2 is a 3-phase DC-DC PWN step-down switching voltage regulator designed for automotive applications and power management systems. It provides 5A of continuous output current and an adjustable PWN/PFM frequency. It contains an integrated Windows 8.1Certified powertrain, over-current and over-voltage protection, making it a robust and efficient solution for DC-DC converter designs. The MCZ33903CS5EKR2 is a great choice for system designs, offering a high level of integration, a compact form factor and an economical solution.

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