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Home Product LM25117PMHX/NOPB TI Synchronous Buck Controller High Efficiency Wide Input Automotive Power
LM25117PMHX/NOPB Texas Instruments

LM25117PMHX/NOPB TI Synchronous Buck Controller High Efficiency Wide Input Automotive Power

LM25117PMHX/NOPB
High-voltage DC-DC converter
Synchronous buck controller
LM25117PMHX/NOPB
LM25117PMHX/NOPB is a high-voltage DC-DC converter with synchronous buck controller, enabling efficient power conversion and precise voltage regulation in industrial, automotive, and telecom applications. Optimized for high reliability and wide input voltage operation.
Categories:Electronic components
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Product Description

The LM25117PMHX/NOPB is a high-voltage DC-DC converter featuring a synchronous buck controller designed to regulate output voltages in industrial power systems. It supports input voltages up to 42V, with adjustable output voltages via external resistors, suitable for applications in automotive, telecom, and industrial automation. The controller drives external N-channel MOSFETs to achieve high efficiency across a wide operating temperature range (-40°C to +125°C). Its architecture enables precise voltage regulation, soft-start capability, and fault protection (overcurrent, overtemperature). Key advantages include robust performance in harsh environments and high switching frequency for compact designs. A potential design challenge involves optimizing external component selection for stability. The device does not integrate battery management or display interfaces, focusing solely on power conversion.
LM25117PMHX/NOPB Specifications
ParameterSpecification
Device TypeSynchronous buck controller
Input Voltage Range4.5V to 42V
Output Voltage Range0.8V to 37V
Switching Frequency200kHz to 2MHz (adjustable)
Output Current CapabilityUp to 15A
TopologyHigh-voltage DC-DC converter
Efficiency>92% (typical)
Operating Temperature-40°C to +125°C
Control MethodVoltage Mode PWM
Protection FeaturesUVLO, OTP, OCP, OVP
PackageHTSSOP-20
Synchronous RectificationIntegrated driver
Reference Voltage0.8V ±1%
Duty Cycle Range0% to 95%
ApplicationsIndustrial power, automotive systems
ComplianceAEC-Q100 qualified
Product StatusActive
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question:How does after-sales handle refurbished products found faulty during use?
answer:We replace the product or offer a full refund immediately upon verification.
question:Why does the received product have cut-off labels?
answer:Labels are removed for compliance or distributor agreements, but product quality remains guaranteed.
question:Does the company have a professional product selection engineer team?
answer:Yes, our expert team analyzes market trends and ensures quality standards for optimal selections.
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:How does after-sales handle refurbished products found faulty during use?
answer:We replace the product or offer a full refund immediately upon verification.
question:Why does the received product have cut-off labels?
answer:Labels are removed for compliance or distributor agreements, but product quality remains guaranteed.
question:Does the company have a professional product selection engineer team?
answer:Yes, our expert team analyzes market trends and ensures quality standards for optimal selections.
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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