MAX1645BEEI

The MAX1645BEEI is designed as one kind of advanced chemistry-independent, level 2 battery charger device that can be used in (1)notebook computers; (2)point-of-sale terminals; (3)personal digital assistants applications. And this device employs a next-generation synchronous buck control circuitry that lowers the minimum input-to-output voltage drop by allowing the duty cycle to exceed 99%.

Features of the MAX1645BEEI are:(1)128mA Wake-Up Charge; (2)Charges Any Chemistry Battery: Li+, NiCd, NiMH, Lead Acid, etc.; (3)Intel SMBus 2-Wire Serial Interface; (4)Compliant with Level 2 Smart Battery Charger Spec Rev 1.0; (5)+8V to +28V Input Voltage Range; (6)Up to 18.4V Battery Voltage; (7)11-Bit Battery Voltage Setting; (8)±0.8% Output Voltage Accuracy with Internal Reference; (9)3A (max) Battery Charge Current; (10)6-Bit Charge-Current Setting; (11)99.99% (max) Duty Cycle for Low-Dropout Operation; (12)Load/Source Switchover Drivers; (13)>97% Efficiency; (14)Input Current Limiting; (15)175s Charge Safety Timeout.

The absolute maximum ratings of the MAX1645BEEI can be summarized as:(1)DCIN, CVS, CSSP, CSSN, LX to GND: -0.3V to +30V;(2)CSSP to CSSN, CSIP to CSIN: -0.3V to +0.3V;(3)PDS, PDL to GND: -0.3V to (VCSSP + 0.3V);(4)BST to LX: -0.3V to +6V;(5)LDO Continuous Current: 50 mA;(6)Operating Temperature Range: -40°C to +85°C;(7)Storage Temperature Range: -60°C to +150°C;(8)Lead Temperature (soldering, 10s): +300°C. If you want to know more information about the MAX1645BEEI, please download the datasheet in www.seekic.com or www.chinaicmart.com .