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TL594IPWR
+BOMIC REG CTRLR MULT TOP 16TSSOP
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ManufacturerTexas Instruments
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Mfr. Part #TL594IPWR
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Datasheet TL594IPWR DataSheet
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Package TSSOP (PW)-16
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In Stock1977
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Specifications
| Attribute | Value |
| Package | Tape & Reel (TR),Cut Tape (CT) |
| ProductStatus | Active |
| OutputType | Transistor Driver |
| Function | Step-Up, Step-Down, Step-Up/Step-Down |
| OutputConfiguration | Positive |
| Topology | Buck, Boost, Flyback, Forward Converter, Full-Bridge, Half-Bridge, Push-Pull |
| NumberofOutputs | 2 |
| OutputPhases | 1 |
| Voltage-Supply(Vcc/Vdd) | 7V ~ 40V |
| Frequency-Switching | 1kHz ~ 300kHz |
| DutyCycle(Max) | 97% |
| SynchronousRectifier | No |
| ClockSync | No |
| ControlFeatures | Dead Time Control, Frequency Control |
| OperatingTemperature | -40°C ~ 85°C (TA) |
| MountingType | Surface Mount |
| Package/Case | 16-TSSOP (0.173, 4.40mm Width) |
Overview
Description
Key features of the TL594IPWR include dual error amplifiers, an adjustable dead-time control, and an on-chip oscillator, which supports a wide range of frequency settings. The device also includes output control circuits that enable it to drive various output stages, such as push-pull, single-ended, or parallel configurations.
The TL594IPWR supports a wide input voltage range and provides high efficiency in power conversion tasks. Its compact PowerPAD™ package allows for efficient thermal management, making it suitable for space-constrained applications. With its robust design and versatile functionality, the TL594IPWR is widely used in industrial, automotive, and consumer electronics for applications requiring precise power regulation and control.
Equivalent
Features
1. Dual Output Channels: It provides two outputs for control of two separate power devices.
2. Adjustable Output Duty Cycle: Allows for precise control of power delivery, increasing efficiency.
3. Frequency Modulation Range: Operates over a wide frequency range, easily adaptable to different applications.
4. Built-in Oscillator: Eliminates the need for external timing components, simplifying design.
5. Error Amplifiers: Includes two error amplifiers for enhanced control and regulation.
6. Undervoltage Lockout: Protects the system during low voltage conditions, ensuring stability.
7. Current Limiting: Prevents overcurrent conditions, enhancing safety and reliability.
8. Soft-start Feature: Reduces inrush current during startup, prolonging the life of the components.
9. Low Standby Current: Enhances energy efficiency when the device is in standby mode.
10. Wide Supply Voltage Range: Supports flexibility in power supply design and application.
These features make the TL594IPWR suitable for power supply, motor control, and other applications requiring efficient and reliable PWM control.
Pinout
1. Pin 1 (C1): Comparator 1 Input
2. Pin 2 (C2): Comparator 2 Input
3. Pin 3 (DTC): Dead-Time Control
4. Pin 4 (CT): Timing Capacitor
5. Pin 5 (RT): Timing Resistor
6. Pin 6 (GND): Ground
7. Pin 7 (E/A OUT): Error Amplifier Output
8. Pin 8 (VREF): Reference Voltage Output
9. Pin 9 (C1 OUT): Comparator 1 Output
10. Pin 10 (C2 OUT): Comparator 2 Output
11. Pin 11 (VCC): Supply Voltage
12. Pin 12 (E/A IN-): Inverting Input of Error Amplifier
13. Pin 13 (E/A IN+): Non-Inverting Input of Error Amplifier
14. Pin 14 (OSC OUT): Oscillator Output
15. Pin 15 (E OUT): Error Output
16. Pin 16 (FEEDBK): Feedback
These pins facilitate its operation as a PWM controller, offering features like adjustable dead time, error amplification, and oscillator frequency control.
Manufacturer
Application
1. Switching Power Supplies: It regulates voltage and current in DC-DC converters and AC-DC power supplies.
2. Motor Control: It manages speed and torque in DC motor drives.
3. Lighting Systems: It controls dimming and power regulation in LED drivers and fluorescent lighting.
4. Battery Chargers: It ensures efficient charging by regulating voltage and current.
5. Inverters and UPS Systems: It stabilizes output voltage for uninterrupted power supply.
The TL594IPWR is favored for its flexibility, reliability, and integration capabilities in power management applications.