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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) 2.1V
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 XC9140C2114R-G is a high-efficiency synchronous boost (step-up) DC-DC converter designed for low-power applications. It operates from an input voltage between 0.9V and 5.5V, delivering a fixed 2.1V output with a maximum current of 100mA. Its compact 6-XDFN package makes it suitable for space-limited designs. Typical applications include battery-powered devices, wearables, and IoT sensors where extended battery life and stable voltage are critical.

  • Ultra-Low Start-Up Voltage: Operates from 0.9V, enabling use with single-cell batteries or energy harvesters.
  • High Efficiency: Synchronous rectification improves efficiency, reducing power loss and heat generation.
  • Compact Package: 6-XDFN with exposed pad aids thermal dissipation and saves PCB area.
  • Fixed Output: No external resistor divider needed, simplifying design and reducing BOM count.

Battery-Powered Wearables

With a low 0.9V minimum input, the XC9140C2114R-G can boost a single-cell alkaline or NiMH battery to a stable 2.1V rail for sensors, MCUs, and wireless modules, maximizing battery life.

Portable Medical Devices

Devices like glucose meters and digital thermometers require a compact, efficient boost solution. The 6-XDFN package and 100mA output are ideal for space-constrained, low-power medical electronics.

IoT Sensor Nodes

Energy harvesting or battery-powered IoT nodes often operate from a sub-1V supply. This boost converter ensures a regulated 2.1V for logic and RF circuits, even as the battery discharges.

Remote Controls & Toys

Consumer products using 1-2 AA batteries can benefit from a regulated 2.1V output, ensuring consistent performance for IR LEDs and microcontrollers as battery voltage drops.

Industrial Monitoring

In industrial settings, sensors may be powered by a 3.3V bus that dips under load. The wide input range allows this boost to maintain a stable 2.1V for sensitive analog front-ends.

Q: What type of converter is the XC9140C2114R-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 2.1V.
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 data.
Q: What package is available?
A: It comes in a 6-XDFN Exposed Pad package.
Base Product Number : XC9140C2114R
0.9V-5.5V 100mA 2.1V Output 6-XDFN Battery-Powered Boost DC-DC Converter IoT Step-Up Wearables
Q: What type of converter is the XC9140C2114R-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 2.1V.
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 data.
Q: What package is available?
A: It comes in a 6-XDFN Exposed Pad package.