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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) 3.7V
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 SC-74A, SOT-753
Supplier Device Package SOT-25
ROHS RoHS Compliant - Hazardous Substance Free Electronic Components | HQICKEY

The Torex XC9140C372MR-G is a synchronous boost DC-DC converter that outputs a fixed 3.7V. It accepts an input voltage from 0.9V to 5.5V and can supply up to 100mA. Housed in a compact SC-74A (SOT-753) package, it is designed for space-constrained, battery-operated devices. This converter is particularly suited for single-cell Li-ion applications, providing efficient and stable power.

  • Li-Ion Optimized: 3.7V output aligns perfectly with Li-ion battery voltage, reducing conversion losses.
  • Low Input Operation: Works down to 0.9V, allowing full discharge of the battery.
  • Compact Design: SC-74A package is ideal for wearables and small gadgets.
  • Reliable Performance: Synchronous topology ensures high efficiency and low output ripple.

Li-Ion Battery-Powered Devices

This converter is optimized for single-cell Li-ion batteries, providing a regulated 3.7V output that matches the nominal battery voltage, maximizing usable capacity.

Portable Power Banks

Can be used to regulate the output of a power bank to a stable 3.7V for charging internal batteries or powering low-voltage loads.

Wearable Fitness Trackers

Delivers consistent 3.7V power to sensors and Bluetooth modules, ensuring accurate tracking and reliable connectivity.

Medical Monitoring Patches

For wearable health monitors, the converter ensures a stable voltage for sensitive analog front-ends, improving signal accuracy.

Electronic Toys

Provides a steady 3.7V supply from a single Li-ion cell, ensuring consistent motor speed and LED brightness.

Q: What type of converter is the XC9140C372MR-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 3.7V.
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 data.
Q: What package is available?
A: It comes in SC-74A (SOT-753) package.
Base Product Number : XC9140C372MR
0.9V-5.5V 100mA 3.7V Output Boost DC-DC Converter Li-Ion Power Bank SC-74A SOT-753 Step-Up Torex Wearable
Q: What type of converter is the XC9140C372MR-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 3.7V.
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 data.
Q: What package is available?
A: It comes in SC-74A (SOT-753) package.