Find domestic alternatives to DC-DC power supply chips

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Find domestic alternatives to DC-DC power supply chips [Copy link]

 

I would like to ask the experts, is there a good domestic alternative to the LM5117 power chip? (Industrial grade)

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There is no complete substitute

You can redesign the circuit according to your needs and use domestic wide input voltage step-down chips

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1. Overview of SL3041 chip

SL3041 is a high-performance, high-reliability step-down constant voltage chip with a maximum withstand voltage of up to 100V and can work stably in a wide voltage range. The chip adopts advanced manufacturing technology and circuit design, and has the characteristics of high efficiency, low noise, low ripple and low power consumption. It is suitable for various energy storage power supplies and power management needs in electronic devices.

2. Performance parameters of SL3041 chip

1. Input voltage range: DC 4.5V to 100V. The wide voltage input range enables SL3041 to adapt to various complex working environments.

2. Output voltage range: DC 1.2V to 36V, the output voltage can be flexibly adjusted according to actual needs.

3. Output current capability: up to 5A, meeting the power requirements of most electronic devices.

4. Conversion efficiency: up to over 95%, effectively reducing energy consumption and heat generation.

5. Working temperature range: -40℃ to +125℃, adaptable to various extreme working environments.

3. Application fields of SL3041 chip

Due to its excellent performance parameters and wide application range, the SL3041 chip is widely used in various energy storage power supplies and electronic devices. For example, in a solar energy storage system, the SL3041 can convert the DC power generated by solar panels into stable DC power to charge batteries or supply equipment. In the fields of electric vehicles, UPS uninterruptible power supplies, etc., the SL3041 also plays an important role to ensure the stability and reliability of the power supply.

4. Comparison between SL3041 and LM5117

LM5117 is a common step-down constant voltage chip on the market, but compared with SL3041, it has certain shortcomings in some aspects. First, the maximum withstand voltage of LM5117 is relatively low, generally around 40V, while the maximum withstand voltage of SL3041 is as high as 100V, which can adapt to higher voltage working environments. Secondly, SL3041 is also superior to LM5117 in terms of conversion efficiency, noise and ripple, and can provide a more stable and efficient power management solution. In addition, SL3041 also has lower power consumption and a wider operating temperature range, which further improves its adaptability and reliability.

5. Design and application of SL3041 chip

When designing the application circuit of the SL3041 chip, its performance parameters and application requirements need to be fully considered. First, the appropriate input voltage and output voltage range should be selected according to actual needs, and the output current capacity should be set reasonably. Secondly, the heat dissipation problem should be fully considered in the circuit design to ensure that the chip can maintain a stable operating temperature when working for a long time. In addition, attention should be paid to the stability and reliability design of the circuit to ensure the overall performance of the power management system.

In practical applications, the SL3041 chip can be used in conjunction with other electronic components and modules to achieve various complex power management functions. For example, it can be used in conjunction with a charging management module to achieve charging management of solar cells; it can be used in conjunction with an LED driver module to achieve constant current driving of LED lamps, etc. Through reasonable circuit design and application configuration, the performance advantages of the SL3041 chip can be fully utilized to provide a stable and reliable power management solution for electronic devices.

Product Overview

SL3041 is a step-down switching regulator with an internal integrated power MOSFET tube to set the output current.

The input voltage range has excellent load and line regulation. The wide input voltage range (10V to 100V) can provide a maximum current of 3A

High efficiency output can realize various step-down power conversion applications under the input conditions of mobile environment.

SL3041 safety protection mechanisms include cycle-by-cycle peak current limiting, soft start, output short circuit protection, and over temperature protection.

SL3041 has simple peripheral circuit and is packaged in ESOP8

Features

● 3A output peak current

● 10V to 100V wide operating voltage range

● Built-in power MOSFET

● 110KHZ fixed switching frequency

● External current limiting protection

● Cycle-by-cycle overcurrent protection

● Overheat protection

● Soft start

● Output short circuit protection

● ＞90% efficiency

● Output voltage adjustable from 1.25 to 50V

● Using ESOP8 package

Application

● High voltage power conversion

● Automotive systems

● Battery powered system

● Electric vehicle onboard equipment

● Balance car

● Industrial power system

Product Application Diagram