Overview
The TPS92200D1DDCR is a high-performance, highly integrated constant current LED driver from Texas Instruments. Designed for lighting systems and display applications, this device supports a wide input voltage range from 4-V to 30-V and provides precise current control up to 1.5-A. It integrates high-side and low-side NMOS switches, offering high power density and high efficiency in an ultra-small solution size. The device uses peak-current-mode control with full internal compensation, ensuring high transient response performance over a wide range of operating conditions.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Input Voltage Range | 4-V to 30-V | V |
| Output Current | Up to 1.5-A | A |
| Switching Frequency | 1 MHz | Hz |
| Maximum Duty Cycle | Up to 99% | % |
| High-Side FET On Resistance | 150 mΩ | mΩ |
| Low-Side FET On Resistance | 90 mΩ | mΩ |
| Shut-Down Current | 1 μA | μA |
| Output Discharge Current | 1 μA | μA |
| Package Types | SOT-23-THIN (6), VQFN-HR (6) | |
| Operating Temperature Range | -40°C to +125°C | °C |
| Thermal Shutdown Temperature | 165°C | °C |
Key Features
- Wide Input Voltage Range: Supports input voltages from 4-V to 30-V, suitable for various power supply configurations.
- High Efficiency: Up to 95% efficiency, reducing energy loss and system cooling requirements.
- Precise Current Control: Programmable output current setting up to 1.5-A for different brightness and power requirements.
- Flexible Dimming Options: Supports both PWM and analog dimming modes. TPS92200D1 implements both PWM and analog dimming, while TPS92200D2 supports deeper analog dimming.
- Full Protection Features: Includes LED open-load protection, LED+ short-to-GND protection, LED short circuit protection, sense resistor open and short protection, and thermal shutdown protection with auto-retry).
- Compact Package: Available in SOT-23-THIN (6) and VQFN-HR (6) packages, suitable for space-constrained designs).
Applications
- Video Surveillance IR/White LED Driver: Suitable for IR and white LED drivers in video surveillance systems).
- Facial Recognition IR LED Driver: Used in facial recognition systems requiring precise LED control).
- Stage Lighting LED Driver: Ideal for stage lighting applications where high brightness and control are necessary).
- General Industrial and Commercial Illumination: Used in various industrial and commercial lighting systems).
- Medical UV LED Driver: Suitable for medical UV LED applications requiring high precision and reliability).
- Display Backlighting: Provides efficient and stable backlight driving in LCD screens and billboards).
- Automotive Lighting: Applies to interior and exterior LED lighting systems in vehicles).
Q & A
- What is the input voltage range of the TPS92200D1DDCR?
The input voltage range is from 4-V to 30-V).
- What is the maximum output current of the TPS92200D1DDCR?
The maximum output current is up to 1.5-A).
- What are the dimming options available for the TPS92200D1DDCR?
The device supports both PWM and analog dimming modes).
- What are the protection features included in the TPS92200D1DDCR?
The device includes LED open-load protection, LED+ short-to-GND protection, LED short circuit protection, sense resistor open and short protection, and thermal shutdown protection with auto-retry).
- What are the package options for the TPS92200D1DDCR?
The device is available in SOT-23-THIN (6) and VQFN-HR (6) packages).
- What is the switching frequency of the TPS92200D1DDCR?
The switching frequency is internally set to 1 MHz).
- What is the maximum duty cycle of the TPS92200D1DDCR?
The maximum duty cycle is up to 99%).
- What is the thermal shutdown temperature of the TPS92200D1DDCR?
The thermal shutdown temperature is 165°C with a hysteresis of 15°C).
- What are some typical applications of the TPS92200D1DDCR?
Typical applications include video surveillance, facial recognition, stage lighting, general industrial and commercial illumination, medical UV LED drivers, display backlighting, and automotive lighting).
- How does the TPS92200D1DDCR achieve high efficiency?
The device achieves high efficiency through its integrated high-side and low-side NMOS switches and peak-current-mode control with full internal compensation, resulting in up to 95% efficiency).
