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SGM41524 - Compact Switch Li+/Poly Battery Charger

Description

The SGM41524 is a compact and efficient Lithium ion (Li+) or Lithium ion polymer (Li+/polymer) battery charger.

It can provide power and charge the single cell battery of a system typically found in compact portable device.

Features

  • resistor programmable constant current and constant voltage charging capability plus a charge limiting timer and operates in compliance with the BAJ/JEITA safety guide. An NTC (β = 3950K) can be used for battery temperature sensing on top of the internal junction temperature monitoring. The IND status output pin can be connected to LEDs to indicate the operating conditions, such as power input ok (POK), in charging (CHG), VIN over-voltage (POK and CHG alternate blinking) and no power/disabled (O.

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Datasheet Details

Part number SGM41524
Manufacturer SG Micro
File Size 828.49 KB
Description Compact Switch Li+/Poly Battery Charger
Datasheet download datasheet SGM41524 Datasheet
Additional preview pages of the SGM41524 datasheet.

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Full PDF Text Transcription

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SGM41524 Compact Switch Li+/Poly Battery Charger Safe and Reliable Charging GENERAL DESCRIPTION The SGM41524 is a compact and efficient Lithium ion (Li+) or Lithium ion polymer (Li+/polymer) battery charger. It can provide power and charge the single cell battery of a system typically found in compact portable device. An internal switching buck converter regulates the supply input for charging the battery and powering the system even if the battery is absent. The converter can also operate as a simple pass-through switch with no switching if the load and input voltages are close. A typical application circuit is shown in Figure 2.
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