SMB135
SMB135 is manufactured by Summit Microelectronics.
Programmable Switch-mode, USB/AC Input Li+ Battery Charger with TurboCharge™ Mode-
Features
& APPLICATIONS
INTRODUCTION
- Programmable USB/AC Li-Ion battery charger
- TurboChargeTM Mode: 750mA output from 500mA USB
- High-efficiency current-mode PWM controller o 750kHz to 1.25MHz switching frequency o 0% to 100% duty-cycle
- 4.35 to 6.5V input voltage range
- Small 1.3 x 2.1 uCSPTM-15 package (0.4mm pitch)
- High-accuracy output voltage regulation: 1%
- Low reverse leakage current
- Digital programming of all major parameters via I2C interface (with several addresses) and non-volatile memory o Battery voltage set point o Pre-charge, fast charge, termination current o Fast charge...
