規格
| 屬性 | 價值 |
| Package / Case | Tape & Reel (TR),Cut Tape (CT),Bulk |
| 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) | 7V ~ 40V |
| Frequency - Switching | 1kHz ~ 300kHz |
| Duty Cycle(Max) | 97% |
| Synchronous Rectifier | No |
| Clock Sync | No |
| Control Features | Dead Time Control, Frequency Control |
| Operating Temperature | 0°C ~ 70°C (TA) |
| Mounting Type | Surface Mount |
概述
Description
The TL594CDR is a versatile integrated pulse-width modulation (PWM) controller commonly used in power supply and motor control applications. Developed by Texas Instruments, this component comes in a 16-pin SOIC (Small Outline Integrated Circuit) package. It features two error amplifiers, an on-chip oscillator, a dead-time control comparator, and a pulse-steering flip-flop for enhanced performance and flexibility.
Key functionalities of the TL594CDR include adjustable dead time, which helps prevent overlap in the switching of the transistors, and a wide voltage range (7V to 40V) for various applications. The device supports both voltage-mode and current-mode control, making it adaptable to different system requirements.
The TL594CDR is suitable for driving both NPN and PNP transistors, providing further flexibility in design. It operates in a temperature range from -40°C to +125°C, making it reliable in various environmental conditions. Applications include switch-mode power supplies, DC-DC converters, and motor speed controls. The device's reliability and cost-effectiveness make it a popular choice in the electronics industry.
Key functionalities of the TL594CDR include adjustable dead time, which helps prevent overlap in the switching of the transistors, and a wide voltage range (7V to 40V) for various applications. The device supports both voltage-mode and current-mode control, making it adaptable to different system requirements.
The TL594CDR is suitable for driving both NPN and PNP transistors, providing further flexibility in design. It operates in a temperature range from -40°C to +125°C, making it reliable in various environmental conditions. Applications include switch-mode power supplies, DC-DC converters, and motor speed controls. The device's reliability and cost-effectiveness make it a popular choice in the electronics industry.
Equivalent
The TL594CDR is a PWM controller IC, and its equivalent products include the SG3525, UC3843, and KA3525. These ICs are commonly used in power conversion applications and share similar functionalities. It's important to compare specific features and specifications for compatibility, as there might be variations in voltage ratings and package types. Always consult datasheets to ensure the substitute meets your application's requirements.
Features
The TL594CDR is a versatile PWM (Pulse Width Modulation) controller used for power supply and motor control applications. Key features include:
1. Dual PWM Outputs: Allows for control of two output channels, enabling flexibility in design and application.
2. Voltage Control: Provides precise voltage regulation through an internal reference of 5V.
3. Adjustable Dead Time Control: Offers the ability to control the dead time to minimize power losses and improve efficiency.
4. Error Amplifier: Includes an error amplifier for error signal processing and enhanced control accuracy.
5. Undervoltage Lockout: Protects the device by disabling the output when the supply voltage is too low.
6. Built-in Oscillator: Provides a frequency range from 1 kHz to 300 kHz, which is adjustable via external components.
7. Soft Start Capability: Gradually increases the output voltage, protecting circuits from inrush currents.
8. Current Limit Control: Prevents overcurrent conditions by limiting the peak output current.
9. Compact Package: Available in a SOIC-16 package, making it suitable for space-constrained applications.
These features make the TL594CDR ideal for efficient and reliable power conversion in various electronic systems.
1. Dual PWM Outputs: Allows for control of two output channels, enabling flexibility in design and application.
2. Voltage Control: Provides precise voltage regulation through an internal reference of 5V.
3. Adjustable Dead Time Control: Offers the ability to control the dead time to minimize power losses and improve efficiency.
4. Error Amplifier: Includes an error amplifier for error signal processing and enhanced control accuracy.
5. Undervoltage Lockout: Protects the device by disabling the output when the supply voltage is too low.
6. Built-in Oscillator: Provides a frequency range from 1 kHz to 300 kHz, which is adjustable via external components.
7. Soft Start Capability: Gradually increases the output voltage, protecting circuits from inrush currents.
8. Current Limit Control: Prevents overcurrent conditions by limiting the peak output current.
9. Compact Package: Available in a SOIC-16 package, making it suitable for space-constrained applications.
These features make the TL594CDR ideal for efficient and reliable power conversion in various electronic systems.
Pinout
The TL594CDR is a pulse-width modulation (PWM) controller IC manufactured by Texas Instruments. It is typically used in power supply and motor control applications. The device comes in a 16-pin configuration.
Here is a concise overview of its pin functions:
1. GND (Pin 7): Ground reference for the IC.
2. VCC (Pin 12): Supply voltage input.
3. COMP (Pin 3): Compensation pin for error amplifier to stabilize the control loop.
4. FEEDBACK (Pin 2): Input to the error amplifier.
5. DTC (Pin 4): Dead-time control, adjusts the off-time in PWM cycle.
6. CT (Pin 5): Timing capacitor pin for the oscillator.
7. RT (Pin 6): Timing resistor pin for the oscillator.
8. C1, C2 (Pins 13, 15): Outputs for driving external transistors.
9. E1, E2 (Pins 14, 16): Emitter connections for output transistors.
10. VREF (Pin 8): Reference voltage output.
11. INV INPUT (Pin 1): Inverting input to the error amplifier.
12. NC (Pin 11): No connection.
13. OUTPUT CONTROL (Pin 9): Selects output configuration.
14. SYNC (Pin 10): Synchronizes multiple devices.
These pins facilitate PWM control functions, including voltage regulation, timing, and output control.
Here is a concise overview of its pin functions:
1. GND (Pin 7): Ground reference for the IC.
2. VCC (Pin 12): Supply voltage input.
3. COMP (Pin 3): Compensation pin for error amplifier to stabilize the control loop.
4. FEEDBACK (Pin 2): Input to the error amplifier.
5. DTC (Pin 4): Dead-time control, adjusts the off-time in PWM cycle.
6. CT (Pin 5): Timing capacitor pin for the oscillator.
7. RT (Pin 6): Timing resistor pin for the oscillator.
8. C1, C2 (Pins 13, 15): Outputs for driving external transistors.
9. E1, E2 (Pins 14, 16): Emitter connections for output transistors.
10. VREF (Pin 8): Reference voltage output.
11. INV INPUT (Pin 1): Inverting input to the error amplifier.
12. NC (Pin 11): No connection.
13. OUTPUT CONTROL (Pin 9): Selects output configuration.
14. SYNC (Pin 10): Synchronizes multiple devices.
These pins facilitate PWM control functions, including voltage regulation, timing, and output control.
Manufacturer
The TL594CDR is manufactured by Texas Instruments (TI). Texas Instruments is a global semiconductor company that designs and manufactures a wide range of electronic components, including integrated circuits, microcontrollers, and signal processors. Founded in 1930 and headquartered in Dallas, Texas, TI is known for its innovation in analog and embedded processing technologies. The company serves various sectors, including industrial, automotive, personal electronics, communications equipment, and enterprise systems. Texas Instruments is recognized for its commitment to research and development, consistently working to advance technology and support engineers in designing efficient and sophisticated electronic systems.
Application
The TL594CDR is a versatile PWM (pulse width modulation) controller used in various applications. Key areas include:
1. Switching Power Supplies: It regulates voltage and current efficiently in converters and inverters.
2. DC-DC Converters: Used for voltage regulation in buck, boost, and buck-boost converters.
3. Motor Control: Provides precise control over motor speed and torque.
4. Battery Chargers: Used for managing charging cycles and maintaining battery health.
5. LED Drivers: Controls LED brightness and efficiency in lighting applications.
Its features like dual-output control, adjustable dead-time, and on-chip error amplifiers make it suitable for complex power management tasks.
1. Switching Power Supplies: It regulates voltage and current efficiently in converters and inverters.
2. DC-DC Converters: Used for voltage regulation in buck, boost, and buck-boost converters.
3. Motor Control: Provides precise control over motor speed and torque.
4. Battery Chargers: Used for managing charging cycles and maintaining battery health.
5. LED Drivers: Controls LED brightness and efficiency in lighting applications.
Its features like dual-output control, adjustable dead-time, and on-chip error amplifiers make it suitable for complex power management tasks.
Package
The TL594CDR is a PWM controller IC that comes in an SOIC-16 (Small Outline Integrated Circuit) package type. The "CDR" in its designation refers specifically to the tape and reel packaging option for automated assembly lines, facilitating efficient handling and placement during manufacturing processes.
