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TPS62840DLCR
ULTRA LOW IQ BUCK CONVERTER
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規格
| 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 |
概述
Description
The TPS62840DLCR is a highly efficient, ultra-low power step-down DC-DC converter from Texas Instruments. Designed for applications requiring prolonged battery life, it operates with a wide input voltage range from 1.8V to 6.5V, making it suitable for both single-cell and multi-cell battery configurations. The device delivers a fixed output voltage with high efficiency across various load conditions, thanks to its DCS-Control™ topology.
One of its standout features is the ultra-low quiescent current of just 60 nA, which significantly enhances battery longevity in power-sensitive applications. The TPS62840DLCR supports a load current of up to 750 mA and offers a selectable power-save mode for improved efficiency during light-load conditions. Other features include an adjustable output voltage via external resistors, a precise enable threshold, and robust protection mechanisms like output short-circuit protection and thermal shutdown.
Its compact size, combined with high efficiency and low power consumption, makes the TPS62840DLCR ideal for wearable devices, IoT applications, and any portable electronics where space and battery life are critical constraints.
One of its standout features is the ultra-low quiescent current of just 60 nA, which significantly enhances battery longevity in power-sensitive applications. The TPS62840DLCR supports a load current of up to 750 mA and offers a selectable power-save mode for improved efficiency during light-load conditions. Other features include an adjustable output voltage via external resistors, a precise enable threshold, and robust protection mechanisms like output short-circuit protection and thermal shutdown.
Its compact size, combined with high efficiency and low power consumption, makes the TPS62840DLCR ideal for wearable devices, IoT applications, and any portable electronics where space and battery life are critical constraints.
Features
The TPS62840DLCR is a high-efficiency, step-down DC-DC converter designed by Texas Instruments. Key features include:
1. Ultra-Low Power Consumption: Optimized for low power applications, it offers a quiescent current of just 60 nA, making it ideal for battery-powered devices.
2. Wide Input Voltage Range: It supports an input voltage range of 1.8 V to 6.5 V, accommodating various power sources from single-cell batteries to USB supplies.
3. Adjustable Output Voltage: The output voltage is adjustable, typically through external resistors, providing flexibility for different voltage requirements.
4. High Efficiency: It achieves high efficiency across a wide load range, helping to maximize battery life.
5. Automatic Power Save Mode: The converter features automatic transition to power save mode, further enhancing efficiency during light load conditions.
6. Output Current Capability: Capable of delivering up to 750 mA, it suits a variety of applications.
7. Small Footprint: The device is available in a compact 6-pin SOT-23 package, enabling use in space-constrained designs.
8. Protection Features: Includes overcurrent, overtemperature, and undervoltage lockout protections for enhanced reliability.
These features make the TPS62840DLCR suitable for IoT devices, wearables, and other applications requiring efficient power management.
1. Ultra-Low Power Consumption: Optimized for low power applications, it offers a quiescent current of just 60 nA, making it ideal for battery-powered devices.
2. Wide Input Voltage Range: It supports an input voltage range of 1.8 V to 6.5 V, accommodating various power sources from single-cell batteries to USB supplies.
3. Adjustable Output Voltage: The output voltage is adjustable, typically through external resistors, providing flexibility for different voltage requirements.
4. High Efficiency: It achieves high efficiency across a wide load range, helping to maximize battery life.
5. Automatic Power Save Mode: The converter features automatic transition to power save mode, further enhancing efficiency during light load conditions.
6. Output Current Capability: Capable of delivering up to 750 mA, it suits a variety of applications.
7. Small Footprint: The device is available in a compact 6-pin SOT-23 package, enabling use in space-constrained designs.
8. Protection Features: Includes overcurrent, overtemperature, and undervoltage lockout protections for enhanced reliability.
These features make the TPS62840DLCR suitable for IoT devices, wearables, and other applications requiring efficient power management.
Package
The TPS62840DLCR is a step-down converter from Texas Instruments, housed in a VSON (Very Thin Small Outline No-Lead) package with 6 pins. The "DLCR" indicates the specific package and reel configuration, designed for space-constrained applications.
Pinout
The TPS62840DLCR is a step-down (buck) converter from Texas Instruments. It is designed for high efficiency and ultra-low quiescent current applications. The device comes in a compact 6-pin package, specifically the SOT-563 package.
Here is a brief overview of the pin configuration and functions:
1. VIN: Input Voltage Pin - connects to the power supply.
2. GND: Ground Pin - reference point for the circuit.
3. SW: Switch Node Pin - connected to the inductor, involved in power conversion.
4. VOS: Output Voltage Sense Pin - used to sense the output voltage.
5. EN: Enable Pin - used to enable or disable the device.
6. PG: Power Good Pin - indicates the status of the output voltage.
The TPS62840DLCR is optimized for applications requiring long battery life, providing efficient step-down conversion with low power consumption.
Here is a brief overview of the pin configuration and functions:
1. VIN: Input Voltage Pin - connects to the power supply.
2. GND: Ground Pin - reference point for the circuit.
3. SW: Switch Node Pin - connected to the inductor, involved in power conversion.
4. VOS: Output Voltage Sense Pin - used to sense the output voltage.
5. EN: Enable Pin - used to enable or disable the device.
6. PG: Power Good Pin - indicates the status of the output voltage.
The TPS62840DLCR is optimized for applications requiring long battery life, providing efficient step-down conversion with low power consumption.
Manufacturer
The TPS62840DLCR is manufactured by Texas Instruments Incorporated (TI). Texas Instruments is a global semiconductor company that designs and produces analog and embedded processing chips. These components are utilized in a vast array of electronic systems, enhancing performance and energy efficiency across various industries, including automotive, industrial, electronics, and telecommunications. Established in 1930 and headquartered in Dallas, Texas, TI is renowned for its innovation and plays a significant role in the electronics market by enabling technological advancements and supporting the development of new solutions through its extensive portfolio of semiconductor products.
Application
The TPS62840DLCR is a highly efficient, ultra-low power buck converter designed for battery-powered applications. It is ideal for use in wearable devices, IoT sensors, medical instruments, and other portable electronics where long battery life is crucial. Its low quiescent current and wide input voltage range make it suitable for applications like wireless sensors, fitness trackers, and energy harvesting systems.
Equivalent
The TPS62840DLCR is a high-efficiency, ultra-low quiescent current step-down converter by Texas Instruments. Equivalent products from other manufacturers might include:
1. MAX17222 from Maxim Integrated (now part of Analog Devices) – Ultra-low IQ, step-down converter.
2. LTC3308 from Analog Devices – Low quiescent current step-down converter.
3. RT6208A from Richtek – Low-power step-down converter.
Ensure compatibility with your specific requirements such as voltage range, current output, and additional features before selecting an equivalent.
1. MAX17222 from Maxim Integrated (now part of Analog Devices) – Ultra-low IQ, step-down converter.
2. LTC3308 from Analog Devices – Low quiescent current step-down converter.
3. RT6208A from Richtek – Low-power step-down converter.
Ensure compatibility with your specific requirements such as voltage range, current output, and additional features before selecting an equivalent.
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