UC2544J

Power Supply Controllers, Monitors Overview

The UC2544J is a power supply controller manufactured by Texas Instruments, designed for use in power and monitoring applications. It operates within an input voltage range of 4.5V to 40V and draws a supply current of 7 mA. The device is housed in an 18-pin Dual In-line Package (DIP) with a width of 0.300 inches (7.62 mm). It supports through-hole mounting and functions within a temperature range of -25°C to 85°C. The component is classified as a power controller and monitor under the PMIC category.

Power Supply Controllers, Monitors Feature Summary

• Provides power control and monitoring functionality for electronic systems
• Operates with a wide input voltage range suitable for various power architectures
• Features a robust 18-pin DIP package for reliable through-hole integration

Power Supply Controllers, Monitors Applications

• Power supply systems
• Voltage monitoring circuits

Power Supply Controllers, Monitors Procurement Notes

Verify the specific suffix 'J' against the manufacturer's official documentation to confirm pinout compatibility and package dimensions. Confirm RoHS compliance status and lead times directly with authorized distributors or Texas Instruments, as availability may vary. Ensure the operating temperature range meets your system requirements before procurement.

Power Supply Controllers, Monitors Selection Notes

Select this component when a dedicated power controller with a wide input voltage range is required for through-hole designs. Consider the 18-pin DIP footprint for PCB layout constraints. Evaluate the 7 mA supply current against system power budgets. Verify that the -25°C to 85°C operating range aligns with environmental conditions.

Power Supply Controllers, Monitors Part Context

The UC2544 belongs to a family of power management ICs from Texas Instruments, often grouped with variants like the UC1544 and UC3544. These devices are typically used in industrial and commercial power conversion applications. The UC2544J specifically denotes the ceramic DIP package variant, distinguishing it from plastic or surface-mount versions within the same functional family.

Power Supply Controllers, Monitors Replacement Considerations

Public confirmed substitute part numbers: UC2544NG4.