Manufacturer Part Number
LM34966QPWPRQ1
Manufacturer
Texas Instruments
Introduction
Automotive grade DC DC switching controller for power management applications
Product Features and Performance
Supports Step-Up, Step-Up/Step-Down functions
Positive output configuration
Boost, Flyback, SEPIC topologies
Single output with one phase
Adjustable switching frequency from 100kHz to 500kHz
Up to 93% duty cycle for high efficiency
Features Current Limit, Enable, Frequency Control, Power Good, Soft Start control features
Operates in a wide range from -40°C to 125°C
Product Advantages
Optimized for automotive applications
AEC-Q100 qualified for high reliability
Versatile topology support accommodates a variety of circuit designs
High switching frequency for compact power supply designs
High operating temperature range suitable for harsh environments
Key Technical Parameters
Voltage - Supply (Vcc/Vdd): 2.97V to 40V
Frequency - Switching: 100kHz to 500kHz
Duty Cycle (Max): 93%
Output Type: Transistor Driver
Quality and Safety Features
Automotive grade with AEC-Q100 qualification
Over-current protection and thermal shutdown for safety
Robust design for long-term reliability
Compatibility
Surface-mount 14-PowerTSSOP package
Compatible with various automotive electronic systems
Application Areas
Automotive power systems
Industrial power supplies
Portable electronics power management
Telecommunication equipment
Product Lifecycle
Active status product
Not currently near discontinuation
Several Key Reasons to Choose This Product
Highly reliable with automotive qualification AEC-Q100
Flexible power supply design due to multiple topologies
Wide input voltage range suitable for various power scenarios
High-efficiency operation with a maximum duty cycle of 93%
Robust performance with -40°C to 125°C operating temperature range
Easy integration with surface mount package
High switching frequency enabling smaller passive component use