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TPS62161DSGR
+NomenclatureIC REG BUCK 1.8V 1A 8WSON
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FabricantTexas Instruments
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Pièce fabricant #TPS62161DSGR
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Package WSON-8
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En stock6857
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Spécifications
| Attribut | Valeur |
| Package / Case | Tape & Reel (TR),Cut Tape (CT),Bulk |
| Series | DCS-Control™ |
| Part Status | Active |
| Function | Step-Down |
| Output Configuration | Positive |
| Topology | Buck |
| Output Type | Fixed |
| Number of Outputs | 1 |
| Voltage - Input (Min) | 3V |
| Voltage - Input (Max) | 17V |
| Voltage - Output (Min/Fixed) | 1.8V |
| Current - Output | 1A |
| Frequency - Switching | 2.25MHz |
| Synchronous Rectifier | Yes |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Mounting Type | Surface Mount |
Présentation
Description
The TPS62161DSGR features a high switching frequency of 2.25MHz, which allows the use of small inductors and capacitors, contributing to a smaller overall solution size. It also includes a Power Save Mode for improved efficiency at light loads and features an output discharge function, thermal shutdown, and overcurrent protection for enhanced reliability.
The converter is available in a small 8-pin VSON package, which helps in minimizing space on the PCB. This device is commonly used in applications such as industrial automation, portable electronics, and distributed power systems, where efficiency and space savings are critical design considerations.
Equivalent
1. LMR33630 from Texas Instruments
2. MP2112 from Monolithic Power Systems
3. LTC3621 from Analog Devices
4. RT8059 from Richtek
5. AP63300 from Diodes Incorporated
These alternatives offer similar functionality in terms of input voltage range, output current capability, and package size, but always verify specific requirements for compatibility.
Features
1. Output Current: Capable of delivering up to 1A continuous output current.
2. Input Voltage Range: Operates over a wide input voltage range of 3V to 17V.
3. Efficiency: High efficiency of up to 95% for optimal power management.
4. Adjustable Output Voltage: Output voltage can be set between 0.9V and 6V using external resistors.
5. Switching Frequency: Operates with a fixed frequency of 2.25MHz, allowing for a compact design due to smaller external components.
6. Low Quiescent Current: Features low quiescent current of 17µA during operation, aiding in power conservation.
7. Internal Compensation and Soft Start: Simplifies design and ensures reliable startup.
8. Protection Features: Includes overcurrent protection (OCP) and thermal shutdown for enhanced safety.
9. Package: Available in a compact 8-pin VSSOP package, suitable for space-constrained applications.
These features make the TPS62161DSGR ideal for battery-powered applications requiring high efficiency and compact design.
Pinout
1. SW (Pin 1): Switch Node - Connect this to the inductor.
2. VIN (Pin 2): Input Voltage - Connect the input supply voltage here.
3. EN (Pin 3): Enable - This pin is used to enable or disable the IC.
4. GND (Pin 4 and Tab): Ground - Connect this to the system ground.
5. FB (Pin 5): Feedback - Connect this to the output voltage divider.
6. NC (Pin 6): No Connection - Not internally connected.
7. PG (Pin 7): Power Good - An open-drain output used to indicate the status of the output voltage.
8. VOS (Pin 8): Output Voltage Sense - Used for voltage sensing directly at the output capacitor.
These functions facilitate efficient voltage conversion while maintaining a compact form factor suitable for various applications. Always refer to the datasheet for detailed specifications and guidelines.