SMB135 Datasheet PDF - Summit

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SMB135
Summit

Part Number SMB135
Description (SMBxxx) Tiny Battery Charger Offers Shortest Charging Time and Lowest Power Dissipation
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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
USB
USB
AC/DC
700mA
4.5V-6.0V
Charging Output
750-1000+mA
3.0V-4.2V
Li-Ion
SMB135
I2C
ADC
USB
Controller
I2C
USB
Applications
ƒ 2.5G/3G Handsets
ƒ Smartphones/PDA Phones
ƒ Bluetooth Headsets
ƒ Portable MP3/MPEG-4 & Gaming Players
ƒ Handheld GPS Terminals
ƒ Digital Still Cameras
Features
ƒ +4.35V to +6.0V Input Range
ƒ OV Protection & 10V Absolute Max. Rating
ƒ High-performance, Switch-mode Architecture
ƒ I2C/SMBus Serial Interface
ƒ Fully Programmable Algorithm in EEPROM
ƒ Charge Current (125mA-1000mA)
ƒ Pre-charge Current (25mA-425mA)
ƒ Termination Current (25mA-500mA)
ƒ Float Voltage (4.00V-4.62V)
ƒ Pre-Charge Threshold (2.4V–3.1V)
ƒ Cell Temperature Safety Limits
ƒ Safety Timer Limits
ƒ Charge Status Indicator Output
ƒ Battery Cell Temperature Monitor
ƒ USB 500mA/100mA Host/Bus Power Selector
ƒ ±1% Float Voltage Accuracy
ƒ Very Low Reverse Leakage Current
Li-Ion USB Charging
1.0
0.8
SMB135:
750mA output for
shortest charge time
0.6
Competition:
0.4 thermally limited
for long charge time
0.2
0.0
0
1234567
Charge Time (normalized hours)
8
Power Dissipation @ 750mA
1.6
1.4 Competition
1.2
1.0 Eliminate
HOT!Thermal
0.8 Problems!
0.6
0.4 SMB135
0.2
0.0
Cool!
* Patent pwewnwd.DiantgaSheet4U.com
www.DataSheet4U.com
SUMMIT
MICROELECTRONICS, Inc.
“Programmable Power for a Digital World”
www.DataSheet4U.com



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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
800mA
600mA
400mA
200mA
CFhaasrtgcehTarrgaenstiotioTnaper
(DTCehhPeraerpersgcDhehoisaTldcrrgh)aeanrstgoiteiFonast
FVLOOLATTAGE
CCHUARRRGEINNGT
4V
3V
2V
t(precharge)
2500 sec
t(charge)
20000 sec
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
Output Channels
Total # of Outputs
Step-down (Buck)
Step-up (Boost)
Inverter (Buck-Boost)
Battery Charger
LDO
Package Size (mm)
Package Type
Complete Programmable Power Manager Offering
SMB135
1
1
1.3 x 2.1
CSP-15
SMB122
9
3 to 4
2 to 4
0 to 1
1
1
9x9
QFN-64
SMB120
9
4
3
1
1
9x9
QFN-64
SMB118
7
3 to 4
1 to 2
1
1
7x7
QFN-48
SMB110
5
2
1
1
1
5x5
QFN-32
SMB111
4
3
1
5x5
QFN-32
SMB112
5
1
2
1
1
5x5
QFN-32
SMB113
4
4
5x5
QFN-32
SMB117
4
4
5x5
QFN-32
SUMMIT
MICROELECTRONICS, Inc.
“Programmable Power for a Digital World”



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