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Product attributes Property Value
Manufacturer Torex Semiconductor Ltd
Product Series XC9140
Packaging Tape & Reel (TR) |
Function Step-Up
Output Configuration Positive
Topology Boost
Output Type Fixed
Number of Outputs 1
Voltage - Input (Min) 0.9V
Voltage - Input (Max) 5.5V
Voltage - Output (Min/Fixed) 4.7V
Voltage - Output (Max) -
Current - Output 100mA
Frequency - Switching -
Synchronous Rectifier Yes
Operating Temperature -40°C ~ 85°C (TA)
Grade -
Qualification -
Mounting Type Surface Mount
Package / Case 6-XDFN Exposed Pad
Supplier Device Package 6-USPEL (1.8x2)
ROHS RoHS Compliant - Hazardous Substance Free Electronic Components | HQICKEY

The Torex XC9140C4714R-G is a high-efficiency synchronous boost (step-up) DC-DC converter designed to deliver a fixed 4.7V output from a wide input range of 0.9V to 5.5V. Capable of supplying up to 100mA, it is ideal for battery-powered and low-voltage applications. The device is housed in a compact 6-XDFN exposed pad package, making it suitable for space-constrained designs. Its low start-up voltage enables operation from single-cell batteries, while the synchronous architecture maximizes efficiency across load ranges. Typical applications include portable electronics, wireless modules, and industrial sensors.

  • Ultra-Low Start-Up Voltage: Operates from inputs as low as 0.9V, enabling use with single-cell batteries or energy harvesters.
  • High Efficiency Synchronous Design: Integrated synchronous rectifier improves efficiency, reducing heat and extending battery life.
  • Compact Package: The 6-XDFN exposed pad package minimizes PCB footprint, ideal for miniaturized devices.
  • Fixed Output Accuracy: Provides a stable 4.7V output, simplifying design and ensuring consistent performance.

Battery-Powered IoT Sensors

With a 0.9V minimum input, this boost converter can operate from a single alkaline or NiMH cell, providing a regulated 4.7V rail for sensors, MCUs, and wireless transceivers. Its high efficiency extends battery life in always-on monitoring applications.

Portable Medical Devices

Devices like glucose meters and digital thermometers require stable voltage from a small battery. The XC9140C4714R-G ensures a consistent 4.7V output even as the battery discharges, maintaining measurement accuracy.

Wearable Electronics

The compact 6-XDFN package is ideal for space-constrained wearables. The low quiescent current and high efficiency at light loads help maximize runtime in fitness trackers and smartwatches.

Remote Wireless Modules

For LoRa, Zigbee, or BLE modules needing a 4.7V supply, this boost converter can step up from a 2-cell battery pack. The 100mA capability is sufficient for intermittent RF bursts.

Energy Harvesting Systems

In low-voltage energy harvesting (e.g., thermoelectric or photovoltaic), the 0.9V start-up allows operation from very low source voltages, boosting to a usable 4.7V for storage or direct load.

Industrial Sensor Interfaces

When powered from a 3.3V rail, this converter can generate a higher 4.7V bias for analog front-ends or sensor excitation, ensuring proper signal conditioning in industrial monitoring equipment.

Q: What type of converter is the XC9140C4714R-G?
A: It is a synchronous step-up (Boost) DC-DC converter.
Q: What is the input voltage range?
A: The input voltage range is from 0.9V to 5.5V.
Q: What is the output voltage?
A: The fixed output voltage is 4.7V.
Q: What is the maximum output current?
A: The maximum output current is 100mA.
Q: What is the switching frequency?
A: The switching frequency is not specified in the provided technical data.
Q: What package is available?
A: It comes in a 6-XDFN Exposed Pad package.
Base Product Number : XC9140C4714R
0.9V-5.5V 100mA 4.7V Output 6-XDFN Battery Powered Boost DC-DC Converter IoT Step-Up Torex Wearable
Q: What type of converter is the XC9140C4714R-G?
A: It is a synchronous step-up (Boost) DC-DC converter.
Q: What is the input voltage range?
A: The input voltage range is from 0.9V to 5.5V.
Q: What is the output voltage?
A: The fixed output voltage is 4.7V.
Q: What is the maximum output current?
A: The maximum output current is 100mA.
Q: What is the switching frequency?
A: The switching frequency is not specified in the provided technical data.
Q: What package is available?
A: It comes in a 6-XDFN Exposed Pad package.