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TPS62420DRC
1.61A dual switching controller with a maximum switching frequency of 2500kHz
TPS62420DRC
1.61A dual switching controller with a maximum switching frequency of 2500kHz
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製造商零件號 # : TPS62420DRC
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包裝/封裝: QFN 10
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製造商: Texas Instruments
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產品分類 : Specialized ICs
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TPS62420DRC 數據表
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詳細說明
The TPS62420DRC is a synchronous step-down converter with integrated FETs, designed for applications requiring high efficiency and compact size. It is capable of delivering up to 5A of output current with an input voltage range of 2.3V to 5.5V. The device operates at a fixed frequency of 2.25MHz, which helps to minimize the size of the external components required for the application. The converter features a power save mode, which helps to improve efficiency at light load conditions. The TPS62420DRC offers a high level of integration, with built-in overcurrent protection, thermal shutdown, and under-voltage lockout. It also features a programmable soft start function, which helps to reduce inrush current during startup. The device is available in a small, thermally-enhanced 10-pin WSON package, which measures only 3mm x 2mm. This makes it ideal for use in space-constrained applications such as portable electronic devices and battery-powered systems.
主要特徵
- Input voltage range: 2.5V to 6V
- Output voltage range: 0.6V to 5.5V
- Output current: 400mA
- Efficiency: up to 95%
- Integrated 0.16Ω and 0.16Ω power MOSFETs
- Low quiescent current: 16µA
應用
- Portable electronics
- Smartphones
- Tablets
- Digital cameras
- Wireless routers
- Wearable devices
- Industrial instrumentation
- Medical devices
- Automotive systems
- Power management systems
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。
| Part Life Cycle Code | Obsolete | Part Package Code | SON |
| Pin Count ! | 10 | Reach Compliance Code | |
| ECCN Code | EAR99 | HTS Code ! | 8542.39.00.01 |
| Additional Feature ! | ALSO OPERATES IN ADJUSTABLE MODE FROM 0.6V TO 6V ; ALSO HAS PWM CNTRL TECHNIQUE | Analog IC - Other Type | DUAL SWITCHING CONTROLLER |
| Control Mode | VOLTAGE-MODE | Control Technique | PULSE WIDTH MODULATION |
| Input Voltage-Max | 6 V | Input Voltage-Min | 2.5 V |
| Input Voltage-Nom | 3.6 V | JESD-30 Code | S-PDSO-N10 |
| JESD-609 Code | e4 | Length | 3 mm |
| Number of Functions | 1 | Number of Terminals | 10 |
| Operating Temperature-Max | 85 °C | Operating Temperature-Min | -40 °C |
| Output Current-Max | 1.61 A | Package Body Material | PLASTIC/EPOXY |
| Package Code | HVSON | Package Shape | SQUARE |
| Package Style | SMALL OUTLINE, HEAT SINK/SLUG, VERY THIN PROFILE | Qualification Status ! | Not Qualified |
| Seated Height-Max | 1 mm | Surface Mount ! | YES |
| Switcher Configuration | PHASE-SHIFT | Switching Frequency-Max | 2500 kHz |
| Temperature Grade ! | INDUSTRIAL | Terminal Finish | NICKEL PALLADIUM GOLD |
| Terminal Form ! | NO LEAD | Terminal Pitch ! | 0.5 mm |
| Terminal Position | DUAL | Width | 3 mm |
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 TPS62420DRC?
The TPS62420DRC is a high-efficiency synchronous step-down DC-DC converter designed by Texas Instruments. It is optimized for portable applications where high efficiency, compact size, and low quiescent current are required, such as smartphones, tablets, and portable media players.
How Does TPS62420DRC Work?
The TPS62420DRC operates as a synchronous step-down converter, converting a higher input voltage to a lower output voltage with high efficiency. It utilizes a pulse-width modulation (PWM) control scheme to regulate the output voltage and minimize power loss. The converter features a low quiescent current, making it suitable for battery-powered devices with extended run times.
How Many Pins does TPS62420DRC have and What are the Functions of the Pinout Configuration?
The TPS62420DRC is housed in an 10-pin SON (Small Outline No-Lead) package. The pinout configuration includes:
- VIN: Input voltage pin.
- SW: Switching node pin.
- GND: Ground pin.
- FB: Feedback voltage input pin.
- EN: Enable pin.
- PG: Power good indicator output pin.
- LX: Low-side MOSFET driver pin.
- VSENSE: Current sense voltage output pin.
- VOUT: Output voltage pin.
- AGND: Analog ground pin.
What are the Pros and Cons of TPS62420DRC?
Pros:
- High Efficiency: Provides high efficiency conversion for extended battery life in portable devices.
- Low Quiescent Current: Minimizes power consumption in standby or low-power modes.
- Compact Size: Small package and minimal external components for space-constrained designs.
- Wide Input Voltage Range: Supports a wide input voltage range for compatibility with various power sources.
- Integrated Features: Includes built-in protection features such as overcurrent and overtemperature protection.
Cons:
- External Components: May require careful external component selection and layout for optimal performance.
- Switching Noise: Requires attention to layout and filtering to minimize electromagnetic interference.
Are There Any Equivalents/Alternatives to TPS62420DRC for Recommendation?
- The TPS62240 from Texas Instruments is a similar high-efficiency synchronous step-down converter with a different input voltage range.
- Alternatives to the TPS62420DRC include the MP2315 from Monolithic Power Systems and the TPS56121 from Texas Instruments.
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