Texas Instrument original LM5164 is a high-performance synchronous buck DC/DC converter designed for wide input voltage applications from 6V to 100V. It delivers up to 1A output current with ultra-low quiescent current, making it ideal for industrial battery packs, e-bikes, e-scooters, drones, and other high-cell-count battery systems. Its integrated high-side and low-side MOSFETs eliminate the need for external Schottky diodes, reducing component count and board space while maintaining high efficiency.

BDTronics offers the LM5164 in Bangladesh, providing engineers and designers with a reliable solution for industrial power supplies, battery management systems, and compact DC-DC conversion applications.

Features:

• Wide Input Voltage Range: 6V to 100V

• Output Current: Up to 1A

• Ultra-Low Quiescent Current: 10.5μA (no-load), 3μA (shutdown)

• Constant On-Time (COT) Control Architecture

• Integrated High-Side (0.725Ω) and Low-Side (0.34Ω) NFETs

• Adjustable Switching Frequency up to 1MHz

• Diode Emulation Mode for High Light-Load Efficiency

• Internal Soft-Start Timer: 3ms

• Peak and Valley Current-Limit Protection

• Input Undervoltage Lockout (UVLO) and Thermal Shutdown

• Open-Drain Power-Good (PGOOD) Indicator

• No External Loop Compensation Required

• Integrated VCC Bias Regulator and Bootstrap Diode

• Thermally-Enhanced 8-Pin SOIC PowerPAD Package

• Junction Temperature Range: –40°C to +150°C

• Meets CISPR 25 Class 5 EMI Standards

Applications:

• Industrial Battery Packs (≥10S)

• E-Bike and E-Scooter Battery Management

• Motor Drive Systems

• Drones and LEVs

• Communication Equipment Power Supply

• Wide Input Industrial Power Converters

• High Voltage Step-Down DC-DC Applications

• Compact Embedded Power Systems

Specifications:

• Brand: Texas Instrument

• Model: LM5164 (Original)

• Type: Synchronous Buck DC/DC Converter

• Input Voltage Range: 6V – 100V

• Output Current: 1A

• Quiescent Current: 10.5μA (no-load), 3μA (shutdown)

• Integrated NFET RDS(on): High-Side 0.725Ω, Low-Side 0.34Ω

• Switching Frequency: Adjustable up to 1MHz

• Soft-Start: 3ms Internal

• Thermal Shutdown: Yes, with Automatic Recovery

• Current Limit: Peak and Valley Protection

• Package: 8-Pin SOIC PowerPAD, 4.9mm × 6mm

• Junction Temperature: –40°C to +150°C

• EMI: Meets CISPR 25 Class 5

Package Includes:

• 1 × LM5164 8-Pin SOIC PowerPAD Synchronous Buck Converter

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