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NCP1835MN20R2G from ON,ON Semiconductor

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NCP1835MN20R2G

Manufacturer: ON

Integrated Li−Ion Charger

Partnumber Manufacturer Quantity Availability
NCP1835MN20R2G ON 2442 In Stock

Description and Introduction

Integrated Li−Ion Charger The **NCP1835MN20R2G** is a highly efficient, synchronous step-down DC-DC converter designed for a wide range of power supply applications. This compact and versatile integrated circuit (IC) operates with an input voltage range of 4.5V to 18V, making it suitable for industrial, automotive, and consumer electronics where stable and efficient power conversion is critical.  

Featuring a fixed 2MHz switching frequency, the NCP1835MN20R2G minimizes external component size while maintaining high efficiency. Its synchronous rectification architecture reduces power losses, improving thermal performance and extending battery life in portable devices. The IC also integrates overcurrent protection, thermal shutdown, and under-voltage lockout (UVLO) to ensure reliable operation under varying conditions.  

With an adjustable output voltage as low as 0.8V, the NCP1835MN20R2G supports a broad spectrum of load requirements. Its small DFN-10 package makes it ideal for space-constrained designs. Engineers favor this component for its balance of performance, efficiency, and robustness, making it a dependable choice for modern power management solutions.  

Whether used in point-of-load regulation, embedded systems, or battery-powered applications, the NCP1835MN20R2G delivers consistent performance with minimal external circuitry, simplifying design implementation.

Application Scenarios & Design Considerations

Integrated Li−Ion Charger

Alternative Part Number

  • MCP73831T-2ACI/OT --: Single-cell Li-Ion/Li-Po charge management controller in SOT-23-5, functionally similar to the NCP1835 linear charger with comparable input voltage and charge current range.
  • BQ24040DSQR --: Compact Li-Ion linear charger in a small package with programmable charge current and thermal regulation, suitable as a direct functional replacement for the NCP1835.
  • LTC4054ES5-4.2 --: Standalone 4.2V Li-Ion linear charger in SOT-23-5 with constant-current/constant-voltage operation, matching the charger topology and output voltage of the NCP1835MN20R2G.

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