LTM8061EV-4.2#PBF

LINEAR TECHNOLOGY  LTM8061EV-4.2#PBF  芯片, 电池充电器, 4.2V, 77LGA

The is a high-efficiency standalone Li-ion Battery Charger optimized for one and two-cell packs. The LTM8061 provides a constant-current/constant-voltage charge characteristic, with maximum charge current up to 2A. A precondition feature trickle charges a depleted battery and bad battery detection provides a signal and suspends charging if a battery does not respond to preconditioning. It can be configured to terminate charging when charge current falls to one-tenth the programmed maximum current or to use an internal timer if a time based termination scheme is desired. Once charging is terminated, the battery charger enters a low current standby mode. An auto-restart feature starts a new charge cycle if the battery voltage drops 2.5% from the float voltage, or if a new battery is inserted into a charging system.

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Programmable charge current up to 2A

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User-selectable charge termination - C/10 or on board termination timer

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Dynamic charge rate programming/soft-start pin

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Programmable input current limit

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Optional reverse input protection

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NTC resistor temperature monitor

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0.5% Float voltage accuracy

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Bad-battery detection with auto-reset