SLM6305

Part: SLM6305 Type: Synchronous Buck Lithium-ion Battery Charger

Key Specs:

• Input Voltage: 4.6V to 26.0V
• Maximum Output Current: 2.5A
• Switching Frequency: 550kHz
• Charging Efficiency: >90%
• Preset Charging Voltage: 4.2V with ±1% accuracy
• Shutdown Current: 20uA
• Trickle Charge Voltage: 2.9V

Features:

• Wide voltage input
• Synchronous buck converter architecture
• Integrates 28V high-voltage devices for surge protection
• Complete charge termination circuit
• Automatic recharge function
• Integrated reverse current protection
• Integrated output short-circuit protection
• Integrated chip and battery temperature protection
• Automatic input current identification and adapter self-adaptation
• No external reverse current protection diode required
• No external power MOS tube or freewheeling diode required
• Dual charge status indicators (NCHRG, NSTDBY) capable of withstanding 28V
• Soft start limits inrush current
• Miniaturized DFN3x3-10L package
• Requires few external components and small PCB area

Applications:

• Electronic cigarettes
• Electric toys
• Power tools
• MP3, MP4 players
• Digital cameras
• Electronic dictionaries
• GPS
• Portable devices
• Various chargers

Package:

• DFN3x3-10L

• Input Supply Voltage (VIN): -0.3V~28V
• VGC: VIN-7V~VIN+0.3V
• NCHRG, NSTDBY: -0.3V~28V
• BAT: -0.3V~14V
• VS: -0.3V~14V
• LX: -0.3V~28V
• Others: -0.3V~7V
• BAT Short-Circuit Duration: Continuous
• Maximum Junction Temperature: 145°C
• Operating Ambient Temperature Range: -40°C~85°C
• Storage Temperature Range: -65°C~125°C
• Soldering Temperature (10 seconds): 260°C
• E-cigarettes
• Electric toys
• Power tools
• MP3, MP4 players
• Digital cameras
• Electronic dictionaries
• GPS
• Portable devices, various chargers