SMB135 Datasheet – Battery Charger

Part Number : SMB135

Function : (SMBxxx) Tiny Battery Charger Offers Shortest Charging Time and Lowest Power Dissipation

Manufactures : Summit

Images :

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SMB135 image

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Description :

SMB135 – Tiny Battery Charger offers shortest Charging Time and lowest Power Dissipation Highlights ƒ USB Turbo ChargeTM: Get up to 750mA Charge Current from 500mA USB Port*! ƒ 1.3mm x 2.1mm Chip Scale Package Trims PCB Footprint by 69% ƒ Switch-Mode Architecture Cuts Power Dissipation by 89% and Eliminates “Hot” Spots ƒ Configurable Charging Parameters for Static & Dynamic Design Flexibility USB 500mA 4.35V-5.5V Charging Output 750-1000+mA 3.0V-4.2V D+ VB US Features ADC Li-Ion USB USB AC/DC 700mA 4.5V-6.0V SMB135 I2C USB Controller I2C USB GND ƒ ƒ ƒ ƒ ƒ +4.35V to +6.0V Input Range OV Protection & 10V Absolute Max. Rating High-performance, Switch-mode Architecture I2C/SMBus Serial Interface Fully Programmable Algorithm in EEPROM ƒ ƒ ƒ ƒ ƒ ƒ ƒ Charge Current (125mA-1000mA) Pre-charge Current (25mA-425mA) Termination Current (25mA-500mA) Float Voltage (4.00V-4.62V) Pre-Charge Threshold (2.4V–3.1V) Cell Temperature Safety Limits Safety Timer Limits Applications ƒ ƒ ƒ ƒ ƒ ƒ 2.5G/3G Handsets Smartphones/PDA Phones Bluetooth Headsets Portable MP3/MPEG-4 & Gaming Players Handheld GPS Terminals Digital Still Cameras ƒ ƒ ƒ ƒ ƒ D- Charge Status Indicator Output Battery Cell Temperature Monitor USB 500mA/100mA Host/Bus Power Selector ±1% Float Voltage Accuracy Very Low Reverse Leakage Current Li-Ion USB Charging 1.0 Charge Current (A) 0.8 0.6 0.4 0.2 0.0 0 1 2 3 4 5 6 7 Charge Time (normalized hours) 8 SMB135: 750mA output for shortest charge time Watts Power Dissipation @ 750mA 1.6 1.4 1.2 1.0 0.8 0.6 0.4 0.2 0.0 Competition Eliminate Thermal Problems! Competition: thermally limited for long charge time HOT! SMB135 Cool! SUMMIT – Patent pending MICROELECTRONICS, Inc. “Programmable Power for a Digital World” SMB135 – Tiny Battery Charger offers shortest Charging Time and lowest Power Dissipation GUI allows easy programming of all functions and parameters in a real-time environment Battery Charger Configuration Battery Charger Evaluation Board 1000mA Fa s Ch t ch ar ar ge ge Tr t o a n Ta sit pe ion r G RGIN CHA RENT CUR T OA GE FL TA L VO 4V 800mA G IN G GE AR A H T C OL V Configurable Charging Parameters Allow Unparalleled Static & Dynamic Design Flexibility: – Pre-Charge Current – Pre-Charge to Fast Charge Voltage – Fast Charge Current – Float Voltage – Termination Current – Temperature Limits – Charge Safety Timers 600mA Pr Ch echa (D arge rge ee t p Tr o F Th Dis ans ast it re sh char ion old ge ) 3V ina erm eT arg Ch 400mA tion 200mA 2V t(precharge) 2500 sec t(charge) 20000 sec Complete Programmable Power Manager Offering Output Channels Total # of Outputs Step-down (Buck) Step-up (Boost) Inverter (Buck-Boost) Battery Charger LDO Package Size (mm) Package Type SMB135 1 SMB122 9 3 to 4 2 to 4 0 to 1 1 1 9×9 QFN-64 SMB120 9 4 3 1 1 9×9 QFN-64 SMB118 7 3 to 4 1 to 2 1 1 7×7 QFN-48 1 5×5 QFN-32 5×5 QFN-32 1 5×5 QFN-3 […]

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SMB135 Datasheet

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