MP26028EQ
MP26028EQ is 1A Linear Li-Ion Battery Charger manufactured by Monolithic Power Systems.
DESCRIPTION
The MP26028 is a linear, high-performance single cell Li-Ion battery charger. By integrating high voltage input protection into the charger IC, the MP26028 can tolerate an input surge up to 20V.
The device features constant current (CC) and constant voltage (CV) charging modes with programmable charge currents (85m A to 1A), programmable battery full threshold, thermal protection, reverse current blocking, and trickle charge. The device also provides AC adapter power good and charge status indications to the system.
MP26028 is available in a 10-pin 3mm x 3mm QFN package.
FEATURES
- Input Surge Up to 20V
- Adapter or USB Input
- Programmable Charge Current: 85m A to 1A
- Proprietary Constant Voltage Auto Recharge
- Proprietary Over-Voltage Protection
- 0.75% VBATT Accuracy
- <1µA Battery Reverse Current
- 90µA Standby Current from VIN
- Over Current Protection
- AC Adapter Power Good Indicator
- Charge Status Indicator
- Programmable Soft-Start
- Programmable Charge Termination Current
Threshold
- Tiny 10-Pin QFN (3mm x 3mm) Package
APPLICATIONS
- Cell Phones
- MP3 Players
- Smart Phones
- PDAs
- Digital Cameras
For MPS green status, please visit MPS website under Quality Assurance. “MPS” and “The Future of Analog IC Technology” are Registered Trademarks of Monolithic Power Systems, Inc.
TYPICAL APPLICATION
3.5V
- 20V
CIN 1u F
430Ω 430Ω
ON OFF R1
500kΩ
R2 100kΩ
1 IN
IBATT BATT 10
2 CHG
ISET...
