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SY20743B - Single Cell Li-Ion DC/DC Switching Charger

This page provides the datasheet information for the SY20743B, a member of the SY20743 Single Cell Li-Ion DC/DC Switching Charger family.

Datasheet Summary

Description

The SY20743/B/C is a fully-integrated switching battery charger with system power path management device for single cell Li-Ion and Li-polymer batteries in a wide range of tablets and other portable devices.

Features

  • are integrated: overvoltage and over-current protections, battery temperature sensing, and charging safety timer. The device also integrates a thermal regulation loop, and thermal shutdown comparator to prevent overheating. The charging status and fault conditions are reported in the CHRG_STAT register, and the INT output will trigger to notify the host when any fault occurs. The input source status is reported using the PG_STAT register and the /PG output (SY20743/C). The SY20743/B/C is availa.

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Datasheet preview – SY20743B

Datasheet Details

Part number SY20743B
Manufacturer Silergy
File Size 1.26 MB
Description Single Cell Li-Ion DC/DC Switching Charger
Datasheet download datasheet SY20743B Datasheet
Additional preview pages of the SY20743B datasheet.

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Full PDF Text Transcription

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SY20743, SY20743B, SY20743C 3A, Single Cell Li-Ion DC/DC Switching Charger with I2C Control, USB Detection and OTG, JEITA Compliant, Power Path Management General Description The SY20743/B/C is a fully-integrated switching battery charger with system power path management device for single cell Li-Ion and Li-polymer batteries in a wide range of tablets and other portable devices. The low on-resistance of the main switch, synchronous rectifier switches and BATFET helps improving the switching conversion efficiency, shortening the charge cycle, and prolonging the battery life. The integrated I2C serial interface enables the host to configure the device for different applications.
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