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TPS62840DLCR
+Lista de MateriaisULTRA LOW IQ BUCK CONVERTER
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FabricanteTexas Instruments
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Peça do Fabricante #TPS62840DLCR
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Pacote VFDFN-8
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Em Estoque7339
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Especificações
| Atributo | Valor |
| Package | Tape & Reel (TR),Cut Tape (CT) |
| ProductStatus | Active |
| Function | Step-Down |
| OutputConfiguration | Positive |
| Topology | Buck |
| OutputType | Adjustable |
| NumberofOutputs | 1 |
| Voltage-Input(Min) | 1.8V |
| Voltage-Input(Max) | 6.5V |
| Voltage-Output(Min/Fixed) | 1.8V |
| Voltage-Output(Max) | 3.3V |
| Current-Output | 750mA |
| Frequency-Switching | 1.8MHz |
| SynchronousRectifier | Yes |
| OperatingTemperature | -40°C ~ 125°C (TJ) |
| MountingType | Surface Mount |
| Package/Case | 8-VFDFN |
Visão Geral
Description
The TPS62840DLCR employs a DCS-Control topology, ensuring fast transient response and excellent load and line regulation. It provides selectable output voltage via a single resistor, allowing for flexibility in various applications. The component also includes features such as output voltage discharge, power-good indicators, and thermal shutdown protection.
Its typical applications include wearable devices, IoT gadgets, and other consumer electronics where energy efficiency and compact size are critical. The small package size and high efficiency make it ideal for modern, compact electronic designs that require prolonged battery life.
Equivalent
Features
1. Input Voltage Range: Operates from 1.8V to 6.5V, making it suitable for single-cell batteries and other low voltage sources.
2. Output Current: Capable of delivering up to 750 mA of output current.
3. Efficiency: Offers high efficiency across a wide load range, with a typical efficiency of up to 95%.
4. Ultra-Low Quiescent Current: Features a low quiescent current of 60 nA, which helps extend battery life in portable applications.
5. Adjustable Output Voltage: Provides an adjustable output voltage range from 0.8V to 5.5V.
6. Automatic Power Save Mode: Switches automatically between power save mode and forced PWM mode to optimize efficiency.
7. Small Size: Available in a compact 6-pin SOT-23 package.
8. Protection Features: Includes overcurrent, short circuit, and thermal shutdown protections to enhance system reliability.
9. Start-Up: Supports 100% duty cycle operation for low-dropout conditions and efficient startup.
These features make the TPS62840DLCR ideal for energy-sensitive applications such as wearable devices, IoT sensors, and other battery-powered electronics.
Pinout
1. VIN: Input voltage supply pin. It accepts a voltage range typically from 1.8 V to 6.5 V.
2. EN: Enable pin. Driving this pin high enables the device, while driving it low puts it into shutdown mode.
3. VOS: Output voltage sense pin. It is used for output voltage feedback to maintain regulation.
4. SW: Switch pin. Connects to the inductor and is used for switching the internal power FET.
5. GND: Ground pin. It is the reference point for the circuit and is connected to the system ground.
6. MODE/S-CONF: Mode selection and configuration pin. This pin is used to select the device's operation mode, such as forced PWM or power-save mode.
The TPS62840DLCR is designed for applications requiring high efficiency and low power consumption, making it suitable for battery-powered and portable devices.
Manufacturer
Application
1. Wearable Devices: Provides efficient power management for extended battery life.
2. IoT Devices: Supports low-power operation in sensors and wireless modules.
3. Portable Electronics: Offers energy-efficient power conversion for gadgets.
4. Medical Devices: Ensures reliable power management in portable medical equipment.
5. Energy Harvesting: Suitable for systems utilizing energy from alternative sources.
6. Industrial Sensors: Supports low-power, long-term operation in remote environments.
Its compact size and efficiency make it suitable for any application needing efficient step-down voltage conversion.