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TPS61194PWPR
LED Lighting Drivers Low-EMI, High-Performance 4-Channel LED Driver 20-HTSSOP -40 to 85TPS61194PWPR
LED Lighting Drivers Low-EMI, High-Performance 4-Channel LED Driver 20-HTSSOP -40 to 85
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製造商零件號 # : TPS61194PWPR
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包裝/封裝: HTSSOP-20
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製造商: Texas Instruments
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產品分類 : LED Drivers
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TPS61194PWPR 數據表
目前的價格方案正在編制中。請聯絡我們的客戶服務團隊獲取最新的價格資訊。感謝您的理解和支援!
詳細說明
One of the standout features of the TPS61194PWPR is its built-in soft start function, which significantly reduces inrush current during startup, prolonging the lifespan of both the device and the LED backlighting system. Moreover, the comprehensive set of protection features, including overvoltage, overcurrent, and overtemperature protection, guarantees reliable operation under different conditions, providing peace of mind to designers and end-users alike
主要特徵
- The TPS61194PWPR is designed for high-reliability applications and features a robust power design
- High-efficiency power conversion minimizes heat generation in operation
- Synchronous boost conversion ensures fast transient response during shutdown and startup
規格
以下是所選零件的基本參數，涉及零件的特性及其所屬類別。
| Number of channels | 4 | Topology | Boost |
| Rating | Catalog | Operating temperature range (°C) | -40 to 85 |
| Vin (min) (V) | 4.5 | Vin (max) (V) | 40 |
| Vout (min) (V) | 6 | Vout (max) (V) | 45 |
| Iout (max) (A) | 0.4 | Iq (typ) (mA) | 5 |
| Switching frequency (max) (kHz) | 2200 | Features | Adjustable Switch Frequency, Global dimming, Integrated Switch |
數據表 PDF
數據表記錄了器件的特性、絕對最大額定值、應用等，這對於作為器件特定應用的整體指南大有裨益。
常見問題解答
What is TPS61194PWPR?
The TPS61194PWPR is a high efficiency synchronous boost converter designed by Texas Instruments. It is specifically designed for small to medium-sized LCD backlighting applications, making it suitable for portable devices, handheld instruments, and automotive displays.
How Does TPS61194PWPR Work?
The TPS61194PWPR operates as a boost converter, converting a low input voltage to a higher output voltage with high efficiency. It utilizes synchronous rectification to minimize power losses and improve overall efficiency. The converter features adjustable output voltage, current limit protection, and various control features for optimal backlighting performance.
How Many Pins does TPS61194PWPR have and What are the Functions of the Pinout Configuration?
The TPS61194PWPR is housed in a 20-pin HTSSOP (PowerPAD thermally enhanced thin shrink small outline package) package. The pinout configuration includes:
- VIN: Input voltage pin.
- VOUT: Output voltage pin.
- EN (Enable): Enable pin for turning the converter on or off.
- PWM: Pulse Width Modulation pin for controlling the converter's output voltage.
- FB (Feedback): Feedback pin for setting the output voltage regulation.
- PGND, AGND: Power and analog ground pins, respectively.
- SW: Switch node pin for connecting the inductor and synchronous switch.
What are the Pros and Cons of TPS61194PWPR?
Pros:
- High Efficiency: Operates with high efficiency to conserve power and extend battery life.
- Adjustable Output Voltage: Provides flexibility in setting the output voltage for various LCD backlighting requirements.
- Current Limit Protection: Includes built-in current limiting to protect the converter and load from overcurrent conditions.
- Compact Package: The HTSSOP package offers a compact footprint suitable for space-constrained applications.
- Thermal Performance: The PowerPAD package enhances thermal dissipation for improved reliability.
Cons:
- Complex Design: Requires careful consideration of input voltage, output voltage, and component selection for optimal performance.
- External Components: May need external capacitors, inductors, and resistors for proper operation.
- Application Specific: Primarily designed for LCD backlighting applications, may not be suitable for other power supply needs.
Are There Any Equivalents/Alternatives to TPS61194PWPR for Recommendation?
- The TPS61176 from Texas Instruments offers similar functionality for LCD backlighting applications.
- Alternatives to the TPS61194PWPR include the AS19B116 from Power Integrations and the MP3431 from Monolithic Power Systems.
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