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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) 4.9V
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 XC9140C4924R-G from Torex Semiconductor is a high-efficiency synchronous boost converter designed to deliver a fixed 4.9V output from a single-cell battery or low-voltage power source. Operating from an input range of 0.9V to 5.5V, it supports a maximum output current of 100mA. Its compact 6-XDFN package makes it suitable for space-limited portable and wearable applications.

  • Ultra-Low Start-Up Voltage: Operates from inputs as low as 0.9V, enabling use with nearly depleted batteries.
  • High Efficiency Synchronous Design: Integrated synchronous rectification maximizes efficiency, extending battery life in portable devices.
  • Compact Form Factor: The 6-XDFN package minimizes PCB footprint, ideal for miniaturized electronics.
  • Fixed Output Precision: Provides a stable 4.9V rail, simplifying power supply design for sensitive loads.

Battery-Powered IoT Sensors

With a 0.9V minimum input, the XC9140C4924R-G can operate from a single alkaline or NiMH cell, boosting it to a stable 4.9V for sensors, MCUs, and wireless transceivers, maximizing battery utilization.

Portable Medical Devices

Devices like glucose meters and pulse oximeters require a stable voltage from a small battery. The low quiescent current and high efficiency of this boost converter extend operational life while maintaining a precise 4.9V output.

Wearable Electronics

The compact 6-XDFN package is ideal for space-constrained wearables. Its ability to boost from a low-voltage Li-ion or coin cell to 4.9V supports LEDs, haptic drivers, and display bias circuits.

Remote Controls & Key Fobs

These devices often use two AAA batteries. As batteries discharge, voltage drops; this converter ensures a consistent 4.9V for RF transmission, improving range and reliability until the batteries are nearly depleted.

Energy Harvesting Systems

For systems powered by small solar cells or thermoelectric generators, the 0.9V start-up capability allows operation from very low harvested voltages, stepping up to a usable 4.9V for storage or direct load.

Q: What type of converter is the XC9140C4924R-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 output voltage is fixed at 4.9V.
Q: What is the maximum output current?
A: The maximum output current is 100mA.
Q: What package is available?
A: It is available in a 6-XDFN Exposed Pad package.
Q: What is the typical application?
A: It is ideal for battery-powered devices requiring a regulated 4.9V rail.
Base Product Number : XC9140C4924R
0.9V-5.5V 100mA 4.9V Output 6-XDFN Battery-Powered Boost DC-DC Converter IoT Step-Up Torex Semiconductor Wearable
Q: What type of converter is the XC9140C4924R-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 output voltage is fixed at 4.9V.
Q: What is the maximum output current?
A: The maximum output current is 100mA.
Q: What package is available?
A: It is available in a 6-XDFN Exposed Pad package.
Q: What is the typical application?
A: It is ideal for battery-powered devices requiring a regulated 4.9V rail.