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TPS61222DCKR
+StücklisteIC REG BOOST 5V 200MA SC70-6
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HerstellerTexas Instruments
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Herstellerteil #TPS61222DCKR
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Paket SC70-6
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Auf Lager1978
365 Tage Qualitätsgarantie
7*24 Stunden-Servicegarantie
90-Tage Kundendienstgarantie
Originalproduktgarantie
Spezifikationen
| Attribut | Wert |
| Package | Tape & Reel (TR),Cut Tape (CT) |
| ProductStatus | Active |
| Function | Step-Up |
| OutputConfiguration | Positive |
| Topology | Boost |
| OutputType | Fixed |
| NumberofOutputs | 1 |
| Voltage-Input(Min) | 0.7V |
| Voltage-Input(Max) | 5.5V |
| Voltage-Output(Min/Fixed) | 5V |
| Current-Output | 200mA (Switch) |
| Frequency-Switching | Up to 2MHz |
| SynchronousRectifier | Yes |
| OperatingTemperature | -40°C ~ 125°C (TJ) |
| MountingType | Surface Mount |
| Package/Case | 6-TSSOP, SC-88, SOT-363 |
Übersicht
Description
Key features of the TPS61222DCKR include its ability to deliver output currents up to 50 mA at 3.3V from a 1.2V input, and its compact size, which is facilitated by the small SOT-563 package. It requires minimal external components, usually just an inductor and two capacitors, simplifying the design process. The device also integrates protection features such as overcurrent protection and thermal shutdown, enhancing its reliability in various applications. Overall, the TPS61222DCKR offers an efficient and compact solution for powering low-voltage devices from a single-cell battery.
Equivalent
1. Microchip MCP1640 - A similar step-up converter.
2. Analog Devices LT1615 - Offers boost functionality in a compact package.
3. ON Semiconductor NCP1402 - A low-power boost converter.
4. Maxim Integrated MAX1724 - A high-efficiency step-up converter.
These alternatives might not be direct drop-in replacements but offer similar functionality in boosting voltage in low-power applications. Always verify electrical characteristics and pin compatibility before substituting.
Features
The TPS61222DCKR boasts a high switching frequency of up to 2 MHz, allowing the use of small external components and reducing overall solution size. Its low quiescent current (typically 5.5µA) extends battery life in portable applications. The device includes protection features such as thermal shutdown and over-current protection to ensure reliable operation. Packaged in a compact 6-pin SC-70 (DCK) form factor, the TPS61222DCKR is ideal for space-constrained applications like wearable electronics, medical devices, and other battery-powered systems.
Pinout
1. VIN: Power supply input. Connect to the input voltage source.
2. GND: Ground. Connect to the system ground.
3. SW: Switch pin. Connect this pin to the inductor and diode to form the boost converter topology.
4. VOUT: Output voltage pin. Connect to the output capacitor and load.
5. FB: Feedback pin. Connect to a resistor divider network to set the desired output voltage.
6. EN: Enable pin. Use to enable or disable the converter. A high level on this pin enables the device, while a low level disables it.
The TPS61222 is designed to provide a step-up voltage conversion with high efficiency, suitable for applications requiring longer battery life or higher output voltages from lower input voltages.
Manufacturer
Application
1. Battery-powered devices, where it extends battery life by boosting voltage from sources like alkaline, NiMH, or lithium cells.
2. Portable electronics, such as smartphones, tablets, and wearable devices, that need stable power supply from low-voltage batteries.
3. Low-power sensors and IoT devices, ensuring they operate effectively on minimal power.
4. Energy-harvesting systems, where it boosts small, harvested energy to usable levels.
5. Medical instruments, providing reliable power for portable medical devices.
6. Consumer electronics, offering efficient power management in devices like cameras and GPS units.
These applications benefit from the converter's efficiency, compact size, and ability to maintain a stable output voltage.