TL594CDR Integrated Circuits (ICs) |
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Allicdata Part #: | 296-15012-2-ND |
Manufacturer Part#: |
TL594CDR |
Price: | $ 0.00 |
Product Category: | Integrated Circuits (ICs) |
Manufacturer: | Texas Instruments |
Short Description: | IC REG CTRLR MULT TOP 16SOIC |
More Detail: | Buck, Boost, Flyback, Forward Converter, Full-Brid... |
DataSheet: | TL594CDR Datasheet/PDF |
Quantity: | 1000 |
Specifications
Series: | -- |
Packaging: | Tape & Reel (TR) |
Part Status: | Active |
Output Type: | Transistor Driver |
Function: | Step-Up, Step-Down, Step-Up/Step-Down |
Output Configuration: | Positive |
Topology: | Buck, Boost, Flyback, Forward Converter, Full-Bridge, Half-Bridge, Push-Pull |
Number of Outputs: | 2 |
Output Phases: | 1 |
Voltage - Supply (Vcc/Vdd): | 7 V ~ 40 V |
Frequency - Switching: | 1kHz ~ 300kHz |
Duty Cycle (Max): | 45% |
Synchronous Rectifier: | No |
Clock Sync: | No |
Serial Interfaces: | -- |
Control Features: | Dead Time Control, Frequency Control |
Operating Temperature: | 0°C ~ 70°C (TA) |
Package / Case: | 16-SOIC (0.154", 3.90mm Width) |
Supplier Device Package: | 16-SOIC |
Base Part Number: | TL594 |
Description
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TL594CDR Application Field and Working Principle
The TL594CDR is a monolithic pulse width modulation (PWM) control circuit which is suitable for a wide range of switching power supply applications. It is an improved version of the basic TL594 with a much higher operating frequency range, short circuit current limit and low standby current. It operates with minimal external components and provide the necessary control signals to drive power transistors from a current-limited DC source.Application Field
The TL594CDR is intended for DC-DC switch mode power supplies. It is suitable for switching power supplies of up to several hundred watts. These can be used in a range of applications, including supplying power for DC motors, UPS systems, lighting systems, automation equipment and industrial control processes. In addition, the TL594CDR is a popular choice for automotive-grade applications. It is suitable for high-temperature applications such as electronic engine control, dashboard lighting and powertrain systems.Working Principle
The TL594CDR works by integrating the necessary control logic and drive circuitry into one package. The TL594CDR contains an oscillator, an error amplifier, a NAND gate, an adjustable current limit circuit and an output gate drive circuit.The oscillator determines the frequency at which the power supply will operate. This can be set externally by the user, or left to the internal oscillator if sufficient external components are not available. The error amplifier is responsible for regulating the output voltage. It compares the output voltage to a user-set reference voltage, and instructs the NAND gate to shut off the output stages if the voltage deviates too far from the preset level.The NAND gate in the TL594CDR is a two-input gate that takes two input signals and, when both signals are low, generates a high output. This gate is used to control the power transistor drives.The adjustable current limit circuit is used to provide overcurrent protection. It monitors the output current and will shut off the output stages if an excessive amount of current is detected.Finally, the output gate drive circuit is responsible for providing the necessary output voltage signals to both the positive and negative power transistor gates.Conclusion
The TL594CDR is a versatile and cost-effective monolithic pulse width modulation (PWM) control circuit which is suitable for a wide range of switching power supply applications. It operates with minimal external components and provides the necessary control signals to drive power transistors from a current-limited DC source. The TL594CDR is suitable for automotive-grade, DC-DC switch mode power supplies of up to several hundred watts, and is suitable for a range of applications, including supplying power for DC motors, UPS systems, lighting systems, automation equipment and industrial control processes.The specific data is subject to PDF, and the above content is for reference
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