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EMC5040 - Standalone Linear Li-Ion Charger

General Description

The EMC5040 is a complete linear charger for single cell lithium-ion batteries.

With both of TDFN-10 and E-SOP-8 packages and few external components, EMC5040 is well suited for portable applications.

In addition, the EMC5040 is specifically designed to work within USB power specifications.

Key Features

  • 13.5V maximum rating voltage for AC adapter, and it provides the charge current up to 1.2A. Other features include battery temperature monitoring, reverse current protection, shutdown mode, charging current monitor, under voltage lockout, automatic recharge and status indicator. Features  Programmable charge current up to 1.2A  No MOSFET, sense resistor or blocking diode required  Complete linear charger in TDFN-10 for single cell li-ion batteries  Thermal regulation maximizes charge rate w.

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ESMT EMC5040 Standalone Linear Li-Ion Charger with Thermal Regulation General Description The EMC5040 is a complete linear charger for single cell lithium-ion batteries. With both of TDFN-10 and E-SOP-8 packages and few external components, EMC5040 is well suited for portable applications. In addition, the EMC5040 is specifically designed to work within USB power specifications. No external sense resistor and blocking diode are required. Charging current can be programmed externally with a single resistor. The built-in thermal regulation facilitates charging with maximum power without risk of overheating. The EMC5040 always preconditions the battery with 1/10 of the programmed charge current at the beginning of a charge cycle, after it verifies that the battery can be fast-charged.