UCC2946TPWRQ1 - Texas Instruments

Manufacturer Part Number

UCC2946TPWRQ1

Manufacturer

Texas Instruments

Introduction

Power Management Integrated Circuit (PMIC) Supervisor for automotive applications, ensuring reliable system reset.

Product Features and Performance

Simple Reset/Power-On Reset functionality

Monitors single voltage level

Adjustable or selectable voltage threshold for monitoring

Push-Pull, Totem Pole output for direct interfacing

Active Low reset signal

Minimum reset timeout of 140ms provides reliable reset timing

Operates over a wide temperature range of -40°C to 105°C

Product Advantages

Optimized for automotive use with AEC-Q100 qualification

Enhanced system reliability through precision voltage monitoring

Compatible with microcontroller-based systems due to totem pole output

Robust operation in extreme automotive temperature environments

Key Technical Parameters

Number of Voltages Monitored: 1

Voltage - Threshold: Adjustable/Selectable

Output Type: Push-Pull, Totem Pole

Active Low reset functionality

Reset Timeout: 140ms Minimum

Operating Temperature Range: -40°C to 105°C

Quality and Safety Features

AEC-Q100 qualified for automotive industry standards

Robust design suitable for demanding automotive conditions

Compatibility

Surface Mount mounting type is broadly compatible with modern PCB manufacturing

Output compatible with TTL and CMOS logic levels

Application Areas

Automotive electronics

Power supply monitoring

Microcontroller systems

Product Lifecycle

Status: Active

Not nearing discontinuation, ensuring availability

Upgrades or replacements may be available under the same or similar product numbers

Several Key Reasons to Choose This Product

Qualified for automotive applications (AEC-Q100)

Flexible voltage threshold settings are adaptable for various system requirements

Robust power-on reset with guaranteed timeout of 140ms ensures proper system reset

Suitable for high-temperature operating environments, ranging from -40°C to 105°C

Push-Pull, Totem Pole output for easy integration with other system components

Active product status with Texas Instruments ensures reliability and future support