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Home Product LM34966QPWPRQ1 Automotive High Voltage Buck Controller IC Texas Instruments
LM34966QPWPRQ1

LM34966QPWPRQ1 Automotive High Voltage Buck Controller IC Texas Instruments

LM34966Q1 Buck Controller
Automotive Power Management IC
High Voltage DC-DC Converter
LM34966QPWPRQ1
The LM34966Q1 Buck Controller is an automotive-grade high-voltage DC-DC converter IC designed for advanced automotive power management, offering AEC-Q100 compliance, wide input voltage operation, and robust protection features for reliable energy conversion in demanding vehicle systems.
Categories:Electronic components
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Product Description

The LM34966Q1 Buck Controller is an Automotive Power Management IC tailored for High Voltage DC-DC Converter applications, operating with an input range of 4.5V to 65V to deliver regulated output voltages. Designed for automotive systems such as EVs and ADAS, it supports single-output configurations and interfaces directly with microcontrollers and sensors via PWM control. The IC operates efficiently across -40°C to +150°C, adhering to AEC-Q100 standards for reliability. Key strengths include integrated fault protections (overcurrent, overtemperature), high switching frequency (up to 2.2MHz), and adaptive gate drive for optimized efficiency. While ideal for harsh automotive environments, its design complexity and dependency on external MOSFETs may require careful thermal management. This solution excels in compact power architectures requiring precise voltage regulation.
Parameter Specification
Device Type LM34966Q1 Buck Controller
Input Voltage Range 4.5V to 60V
Output Current Capability Up to 6A
Switching Frequency Range 200kHz to 1.2MHz (Adjustable)
Operating Temperature -40°C to +150°C
Package Type TSSOP-24 (PW)
Protection Features UVLO, OVP, OTP, Cycle-by-Cycle Current Limit
Control Topology Voltage-Mode PWM
Automotive Grade Qualification AEC-Q100 Grade 1 Compliant
Efficiency (Typical) 95% @ 12V Input
Interface Compatibility EN/PWM, SYNC, PGOOD
question:Why was the product received with the label cut off?
answer:Labels are removed to comply with logistics or regulatory standards in your region.
question:Can the company provide upgraded or alternative models?
answer:Yes, we offer upgraded and compatible alternatives based on your requirements.
question:What is the warranty policy for the products?
answer:Products come with a 1-year warranty covering manufacturing defects under normal use.
question:Can the company ensure stable product supply?
answer:Yes, we maintain long-term partnerships and strict inventory management.
question:Why is there a transaction fee?
answer:The fee covers payment processing and administrative costs for secure transactions.
question:Why was the product received with the label cut off?
answer:Labels are removed to comply with logistics or regulatory standards in your region.
question:Can the company provide upgraded or alternative models?
answer:Yes, we offer upgraded and compatible alternatives based on your requirements.
question:What is the warranty policy for the products?
answer:Products come with a 1-year warranty covering manufacturing defects under normal use.
question:Can the company ensure stable product supply?
answer:Yes, we maintain long-term partnerships and strict inventory management.
question:Why is there a transaction fee?
answer:The fee covers payment processing and administrative costs for secure transactions.
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