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See Technical Specifications

UCC2946D

Integrated Circuit

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
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UCC2946D General Description

The UCC2946D is a high-speed dual MOSFET driver manufactured by Texas Instruments. It operates with a wide input voltage range, typically from 4.5V to 15V, making it suitable for various applications. This device features two independent high-current outputs capable of driving both high-side and low-side N-channel MOSFETs. It is designed to provide fast switching speeds necessary for efficient power conversion in applications such as synchronous buck converters, motor drives, and Class D amplifiers.With a propagation delay of typically 35ns, the UCC2946D ensures precise control over the switching of MOSFETs, minimizing power losses and improving overall system efficiency. Its high output current capability, up to 2A peak, allows it to drive MOSFETs with large gate capacitances efficiently. Additionally, the UCC2946D incorporates protection features like shoot-through prevention and undervoltage lockout, enhancing system reliability and robustness. This device is available in a small outline package, facilitating compact PCB designs in space-constrained applications

Key Features

The UCC2946D is a voltage mode pulse width modulation controller with an integrated 5V regulator and dual output drive stages

It offers precision, high frequency operation, and a wide input voltage range

Additionally, it provides cycle-by-cycle current limiting and thermal shutdown protection, making it suitable for various power supply applications

Application

The UCC2946D is commonly used in power management applications such as voltage regulation and power conversion

It finds its place in various systems including DC-DC converters, battery chargers, and voltage regulators

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

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