MAX8672ETD+T

电池管理 Backup Management IC for NiMH Batteries

General Description

The MAX8672ETD+T MAX8672 complete power manager for backup batteries in smart devices offers feature-programmable battery charging and main-system backup. The device includes a charger for 1- or 2-cell NiMH backup batteries. A low-quiescent current synchronous-rectified boost converter and LDO supply up to 20mA during system backup. The BST output is internally set to regulate at 3.05V. The MAX8672 LDO is powered from the boost converter output and is adjustable from 1.5V to 3.05V.

The MAX8672 is available in a 14-pin, 3mm x 3mm TDFN package and is rated for -40°C to +85°C operation.

Features MAX8672ETD+T

♦ Charges 1- or 2-Cell NiMH Backup Batteries

♦ Programmable Charge Current

♦ DC Trickle Charge Mode for Maximum Cell Life

♦ Deep-Recovery Charge Restores Cells < 1V

♦ Programmable Charge Timer

♦ Programmable Charge-Voltage Limit and Battery UVLO

♦ Reverse Current Blocking on BATT, LDO, and Boost—No Diodes Needed

♦ No Battery Drain When Off (< 50nA)

♦ Thermistor Sensing Disables Standard Charge

♦ Battery Restart Charge Threshold Prevents Overcharge

Applications MAX8672ETD+T

PDA, Palmtop, and Wireless Handhelds

Smart Cell Phones

企业名：深圳市中立信电子科技有限公司

类型：贸易/代理/分销

电话： 0755-23956688
0755-23956688

手机：13410226883

联系人：叶先生/王先生

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邮箱：Lee@zlxele.com

地址：广东深圳深圳市福田区彩田路彩虹新都大厦彩荟阁7A室