BYH3612_ME6980ED Introduction

So the stability of the tube is inseparable from the manufacturing process, and poor workmanship may result in the inconsistency of the parameters of these small tubes. Their various switching actions are almost the same. Of course, when they burn out, there must be a small tube that can't bear it first.

When naming the company, the founders incorporated their nostalgia for the past and expectations for the future. A simple name with many untold stories behind it... . There are many well-known brands in the electronics industry, each brand is like a person's name, and its origin and naming have its own unique style. Their success today is due to the founders.

BYH3612_ME6980ED

9926B

As for why not to use depletion-type MOS tubes, it is not recommended to get to the bottom of it. . For these two enhanced MOS tubes, NMOS is more commonly used.

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The reason is that the on-resistance is small and it is easy to manufacture. Therefore, in the application of switching power supply and motor drive, NMOS is generally used.

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BYH3612_ME6980ED

AM4960N-T1-PF

Another technique is to intermittently improve the structure of the MOSFET and use a straight V-groove structure. In order to avoid the problems of too small current-carrying capacity and large on-resistance of MOSFET, two techniques are generally used in high-power MOSFETs. One is to connect millions of low-power MOSFET unit cells in parallel to improve the current-carrying capacity of MOSFET. . FIG. 3 is a cross-sectional view of the structure of a V-channel MOSFET.

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When the low UDS separate pinch off voltage is large, the MOS tube is equivalent to a resistance, and this resistance decreases with the increase of UGS. Cut-off area (UGS). Growth slows as the conduction channel approaches pinch off. Figure 1. Drain output characteristics of MOS transistors The output characteristics of field effect transistors can be divided into four regions: variable resistance region, cut-off region, breakdown region and constant current region. Variable resistance region (UDS In this region, ID increases linearly as UDS increases.

NCE3075Q NCE3015S NCE3400E NCE3065K NCE3095AK.

BYH3612_ME6980ED

The battery cell is equivalent to the heart of the lithium battery, and the lithium battery protection board is mainly composed of a protection chip (or management chip), a MOS tube, a resistor, a capacitor, and a PCB board.

The functions of the MOS tube in the protection board are: 1. Detect overcharge, 2. Detect over-discharge, 3. Detect over-current during charging, 4. Detect over-current during discharge, 5. Detect over-current during short circuit.

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