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See Technical Specifications

UCC2946D +BOM

Single-channel controller for precise voltage regulation up to

Manufacturer:

Texas Instruments
Mfr.Part #:

UCC2946D
Datasheet:

UCC2946D Datasheet (PDF)
Number Of Supplies Monitored:

1
Threshold Voltage 1 (typ) (V):

1.235
Features:

Overvoltage monitor only, Reset time delay, Timeout watchdog, Watchdog timer
Reset Threshold Accuracy (%):

2
EDA/CAD Models:

Request Free CAD Models for UCC2946D

Description

The Texas Instruments UCC2946D is a power supply management circuit that provides adjustable output voltage, reset threshold, and watchdog timer functions. It's a BICMOS (Bipolar and CMOS) device packaged in an SOIC-8 format. This IC is designed for use in power conversion and regulation applications, such as DC-DC converters, battery chargers, and voltage regulators. Its features include fully programmable reset threshold, period, and watchdog timer, making it suitable for a wide range of electronic devices. The UCC2946D offers high efficiency, low input current, and accurate output voltage, making it an excellent choice for power management applications.

Features

The UCC2946D features include:

Fully programmable reset threshold
Fully programmable reset period
Fully programmable watchdog period
2% accurate reset threshold
Input voltage down to 2V
Input current of 18µA maximum
Reset valid down to 1V

These features make it suitable for power management applications such as voltage regulation and power conversion, making it a popular choice in DC-DC converters, battery chargers, and voltage regulators.

Package

The package type of UCC2946D is SOIC (D)-8, which refers to a Small Outline Integrated Circuit with an 8-pin configuration, denoted by the "SOIC" and "D"-8 suffixes.

Manufacturer

The manufacturer of the UCC2946D is Texas Instruments (TI). Texas Instruments is a leading semiconductor company that designs, manufactures, tests, and sells analog and embedded processing chips. The company was founded in 1930 and is headquartered in Dallas, Texas. TI is a global leader in the development and manufacturing of semiconductors, with a wide range of products used in various industries such as automotive, industrial, medical, and consumer electronics.

Applications

Based on the information, the UCC2946D power supply management circuit is commonly used in:

Power management applications such as voltage regulation and power conversion
DC-DC converters
Battery chargers
Voltage regulators

Its adjustable output voltage and high efficiency make it suitable for a wide range of electronic devices.

Equivalent

Based on Texas Instruments' product family, some equivalent products to UCC2946D are:

LM2941
TLV7035
NCP1117

These devices share similar features such as adjustable output voltage, low dropout voltage, and high efficiency. However, please note that each device has its unique characteristics and specifications, so a detailed comparison is recommended for specific application requirements.

Specifications

Number of supplies monitored	1	Threshold voltage 1 (typ) (V)	1.235
Features	Overvoltage monitor only, Reset time delay, Timeout watchdog, Watchdog timer	Reset threshold accuracy (%)	2
Iq (typ) (mA)	0.012	Output driver type/reset output	Active-low, Push-Pull
Supply voltage (min) (V)	2.1	Supply voltage (max) (V)	5.5
Rating	Catalog	Watchdog timer WDI (s)	Programmable
Operating temperature range (°C)	-40 to 85	Package/Case	SOIC (D)-8