Overview
The TL5001AQDR is a pulse-width-modulation (PWM) control circuit produced by Texas Instruments. This component is designed to provide robust and versatile control for various power management applications. It features a wide input voltage range, making it suitable for a variety of power supply designs. The TL5001AQDR is available in a small outline (SOIC) package, enhancing its usability in space-constrained designs.
Key Specifications
| Parameter | Test Conditions | Min | Typical | Max | Unit |
|---|---|---|---|---|---|
| Upper Threshold Voltage | TA = MIN, 25°C | 3.00 | 3.00 | - | V |
| Upper Threshold Voltage | TA = MAX | 2.55 | 2.55 | - | V |
| Lower Threshold Voltage | TA = MIN, 25°C | 2.8 | 2.8 | - | V |
| Lower Threshold Voltage | TA = MAX | 2.0 | 2.0 | - | V |
| Hysteresis | TA = MIN to MAX | 100 | 200 | - | mV |
| Reset Threshold Voltage | TA = MIN, 25°C | 2.10 | 2.55 | - | V |
| Reset Threshold Voltage | TA = MAX | 0.35 | 0.63 | - | V |
| SCP Threshold Voltage | TA = MIN, 25°C | 0.95 | 1.00 | 1.05 | V |
| SCP Threshold Voltage | TA = MAX | 0.93 | 0.98 | 1.07 | V |
| Operating Temperature Range | - | -40°C | - | 125°C | °C |
Key Features
- Wide Input Voltage Range: The TL5001AQDR supports a wide range of input voltages, making it versatile for various power supply designs.
- Pulse-Width Modulation (PWM): Provides efficient control over the output signal, allowing for precise regulation of power delivery.
- Undervoltage Lockout (UVLO): Ensures the device turns off during low VCC conditions and turns back on when VCC recovers to its normal operating range.
- Dead-Time Control (DTC): Allows for adjustable dead time by connecting an external resistor between DTC and GND.
- Short-Circuit Protection (SCP): Includes SCP to protect the device from short-circuit conditions.
- Temperature Range: Operates over a wide temperature range from -40°C to 125°C, suitable for harsh environments.
Applications
- Power Supplies: Suitable for various power supply designs, including switching power supplies and DC-DC converters.
- Motor Control: Can be used in motor control applications where precise PWM control is necessary.
- Industrial Automation: Useful in industrial automation systems where robust and reliable control circuits are required.
- Aerospace and Defense: Given its wide temperature range, it is suitable for aerospace and defense applications where environmental conditions are extreme.
Q & A
- What is the primary function of the TL5001AQDR?
The TL5001AQDR is a pulse-width-modulation (PWM) control circuit designed for power management applications.
- What is the operating temperature range of the TL5001AQDR?
The TL5001AQDR operates from -40°C to 125°C.
- How does the undervoltage lockout (UVLO) feature work?
The UVLO feature turns the device off during low VCC conditions and turns it back on when VCC recovers to its normal operating range.
- Can the dead time be adjusted in the TL5001AQDR?
Yes, the dead time can be adjusted by connecting an external resistor between the DTC and GND pins.
- What type of protection does the TL5001AQDR have against short circuits?
The TL5001AQDR includes short-circuit protection (SCP) to protect against short-circuit conditions.
- What is the typical upper threshold voltage for the TL5001AQDR?
The typical upper threshold voltage is 3.00 V at TA = 25°C.
- What package type is the TL5001AQDR available in?
The TL5001AQDR is available in a small outline (SOIC) package.
- How is the oscillator frequency set in the TL5001AQDR?
The oscillator frequency is set by terminating the RT pin with an external resistor to GND.
- What are some common applications of the TL5001AQDR?
Common applications include power supplies, motor control, industrial automation, and aerospace and defense systems.
- Where can I find detailed specifications for the TL5001AQDR?
Detailed specifications can be found in the datasheet available on Texas Instruments' official website or through distributors like Mouser and EIS Components.
