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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) 1.9V
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 SC-74A, SOT-753
Supplier Device Package SOT-25
ROHS RoHS Compliant - Hazardous Substance Free Electronic Components | HQICKEY

The Torex XC9140C192MR-G is a synchronous boost DC-DC converter that provides a fixed 1.9V output from a 0.9V to 5.5V input. It is designed to deliver up to 100mA of output current, making it suitable for a variety of low-power portable applications. The device is housed in a compact SC-74A (SOT-753) package, ideal for space-constrained designs. Its high efficiency and low start-up voltage make it an excellent choice for battery-powered equipment.

  • Low Start-Up Voltage: Starts from an input as low as 0.9V, perfect for single-cell battery operation.
  • Precise Output: Fixed 1.9V output ensures compatibility with specific IC power requirements.
  • Space-Saving: SC-74A (SOT-753) package is ideal for miniaturized PCB layouts.
  • Efficient Power Conversion: Synchronous design reduces heat generation and improves battery life.

Low-Power Audio Amplifiers

Many portable audio codecs and small amplifiers require a 1.9V supply. This boost converter provides a stable rail from a single Li-ion cell, ensuring consistent audio performance.

Bluetooth Low Energy (BLE) Modules

BLE modules often operate at 1.9V for optimal RF performance. The XC9140C192MR-G efficiently boosts battery voltage to this level, extending the battery life of beacons and trackers.

Digital Thermometers

Medical and industrial thermometers with LCD displays can use this converter to maintain a precise 1.9V supply for the sensor and display driver, ensuring accurate readings.

Portable Gas Detectors

Safety equipment like gas detectors needs reliable operation. This boost converter ensures a stable 1.9V supply even when the battery is nearly depleted, maintaining safety functionality.

Smart Card Readers

Portable smart card readers for banking or access control can benefit from the wide input range and stable 1.9V output, ensuring reliable card communication.

Q: What type of converter is the XC9140C192MR-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 1.9V.
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 : XC9140C192MR
0.9V-5.5V 1.9V Output 100mA BLE Boost DC-DC Converter Low-Power Portable SC-74A SOT-753
Q: What type of converter is the XC9140C192MR-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 1.9V.
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.