ABB 5SHY3545L0005 Inverter module

ABB 5SHY3545L0005 Inverter module

The 5SHY3545L0005 inverter is a converter that converts direct current energy (battery, storage battery) into fixed frequency fixed voltage or frequency adjustable voltage alternating current (generally 220V,50Hz sine wave). It consists of inverter bridge, control logic and filter circuit. Widely used in air conditioning, home theater, electric grinding wheel, power tools, sewing machine, DVD, VCD, computer, TV, washing machine, range hood, refrigerator, video recorder, massager, fan, lighting and so on. In foreign countries because of the high penetration rate of cars to work or travel, you can use the inverter to connect the battery to drive electrical appliances and various tools. The on-board inverter output through the cigarette lighter is 20W, 40W, 80W, 120W to 150W power specifications. More power reverse power supply to be connected to the battery through the connection line. Connect home appliances to
The output end of the power converter can use various electrical appliances in the car. Electrical appliances that can be used are: mobile phones, laptops, digital cameras, cameras, lighting, electric shavers, CD players, game consoles, handheld computers, power tools, car refrigerators and all kinds of travel, camping, medical emergency appliances.
5SHY3545L0005 inverter is a DC to AC transformer, it is actually a voltage inverter process with the converter. The converter converts the AC voltage of the power grid into a stable 12V DC output, while the inverter converts the 12V DC voltage output by the Adapter into high-frequency high-voltage AC. Both parts also use the more widely used pulse width modulation (PWM) technology. The core part is a PWM integrated controller, the Adapter uses UC3842, and the inverter uses TL5001 chip. The operating voltage range of TL5001 is 3.6 ~40V, which is equipped with an error amplifier, a regulator, an oscillator, a PWM generator with primary control, low voltage protection circuit and short circuit protection circuit. Input interface part: The input part has 3 signals, 12V DC input VIN, working enable voltage ENB and Panel current control signal DIM. The VIN is provided by the Adapter, the ENB voltage is provided by the MCU on the motherboard, and its value is 0 or 3V. When ENB=0, the inverter does not work, and when ENB=3V, the inverter is in normal working state. The DIM voltage is provided by the motherboard, which varies in the range of 0 ~ 5V
Between, the different DIM values will be fed back to the PWM controller feedback end, the inverter will provide different current to the load, the smaller the DIM value, the larger the inverter output current.
5SHY3545L0005 Voltage start loop: ENB at high voltage, outputs high voltage to light the backlight tube on Pane|.
PWM controller: consists of the following functions: internal reference voltage, error amplifier, oscillator and PWM, overvoltage protection, undervoltage protection, short circuit protection, output transistor.
5SHY3545L0005 DC conversion: The voltage conversion circuit is composed of the MOS switching tube and the energy storage inductor. After the input pulse is amplified by the push-pull amplifier, the MOS tube is driven to perform switching action, so that the DC voltage charges and discharges the inductor, so that the other end of the inductor can get AC voltage.
LC oscillation and output loop: Ensure the lamp to start the required 1600V voltage, and after the lamp to start the voltage down to 800V.
Output voltage feedback: When the load is working, the feedback sampling voltage plays a role in stabilizing the voltage output of the I inverter.

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