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TPS92381PWPR
+物料清單IC LED DRVR RGLTR PWM 20HTSSOP
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製造商德州儀器
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製造商部分 #TPS92381PWPR
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規格
| 屬性 | 價值 |
| Part Status | Active |
| Type | DC DC Regulator |
| Topology | SEPIC, Step-Up (Boost) |
| Internal Switch(s) | Yes |
| Number of Outputs | 4 |
| Voltage - Supply (Min) | 4.5V |
| Voltage - Supply (Max) | 40V |
| Voltage - Output | 0V ~ 40V |
| Current - Output / Channel | 120mA |
| Frequency | 300kHz ~ 2.2MHz |
| Dimming | PWM |
| Applications | Backlight |
| Operating Temperature | -40°C ~ 125°C (TA) |
| Mounting Type | Surface Mount |
| Package / Case | 20-PowerTSSOP (0.173", 4.40mm Width) |
| Supplier Device Package | 20-HTSSOP |
| Base Product Number | TPS92381 |
概述
Description
Key features of the TPS92381PWPR include high efficiency, integrated MOSFETs, and multiple dimming options such as PWM and analog dimming, enabling versatile control over lighting intensity and energy consumption. The device supports a wide input voltage range, making it adaptable to various power supply conditions. It also incorporates several protection features, including over-voltage, over-current, and thermal shutdown, ensuring reliable operation and longevity of the LED lights.
The compact PowerPAD™ package enhances thermal performance, making the TPS92381PWPR an ideal choice for systems where space and heat dissipation are critical considerations. Overall, this LED driver provides a flexible and efficient solution for modern lighting applications.
Equivalent
1. NXP PCA9955A
2. On Semiconductor CAT4101
3. Maxim Integrated MAX16823
4. Infineon ILD6150
Keep in mind that selecting an equivalent requires careful comparison of the features, output current, voltage ratings, and pin compatibility to ensure they meet your design requirements.
Features
1. Multi-Channel Support: It supports up to eight independent LED strings, making it suitable for complex lighting systems.
2. High Efficiency: Designed for efficient power conversion, reducing heat and improving performance.
3. Wide Input Voltage Range: Offers flexibility in design with a broad input voltage range, making it adaptable to various power sources.
4. Current Regulation: Provides precise current regulation for each channel, ensuring consistent LED brightness and color quality.
5. Dimming Capabilities: Supports PWM dimming for smooth brightness control, enabling dynamic lighting effects.
6. Fault Protection: Includes features like open/short LED protection and over-temperature shutdown, enhancing system reliability and safety.
7. Compact Package: Available in a small footprint package, ideal for space-constrained applications.
These features make the TPS92381PWPR well-suited for applications such as backlighting in LCD displays, architectural lighting, and other LED lighting systems requiring multiple channels and precise control.
Pinout
The main function of the TPS92381PWPR is to serve as a multi-channel LED driver that provides constant current to drive multiple strings of LEDs. It features:
- Multiple channels for LED driving.
- Integrated boost converter to step up the input voltage for LED applications.
- Fault detection for LED string open and short conditions.
- Adjustable current regulation for each LED channel, allowing for flexible brightness control.
- Dimming control, often through PWM (pulse-width modulation) or analog dimming signals.
For specific technical details or to confirm the information, refer to the official datasheet provided by Texas Instruments.