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TD9157 - Fully Integrated Switch-Mode Charger

Datasheet Summary

Description

single‐cell  Li‐ion  and  Li‐polymer  batteries  used  in  a  wide  z range of portable applications.

Features

  •   z USB Friendly Boot‐Up Sequence    z Automatic Charging    z Boost Mode Operation for USB OTG    z Power Up System without Battery    z Charge Faster than Linear Chargers    Input Voltage Range (from Battery): 3.2 V to 4.5V  z 2.1 mm x 2 mm 20‐Pin WCSP Package    z High‐Accuracy Voltage and Current Regulation    Input  Current  Regulation  Accuracy:  ±5%(100  mA  and  500 .

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Datasheet preview – TD9157

Datasheet Details

Part number TD9157
Manufacturer Techcode
File Size 2.28 MB
Description Fully Integrated Switch-Mode Charger
Datasheet download datasheet TD9157 Datasheet
Additional preview pages of the TD9157 datasheet.

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Full PDF Text Transcription

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T  echcode® DATASHEET       Fully Integrated Switch-Mode ChargerWith USB Compliance and USB-OTG Support TD9157 Charge Current Regulation Accuracy: ±5%    General Description  z Input Voltage Based Dynamic Power Management (VIN  z The  TD9157  is  a  compact,  flexible,  high‐efficiency,  z USB‐friendly  switch‐mode  charge  management  device  for  single‐cell  Li‐ion  and  Li‐polymer  batteries  used  in  a  wide  z range of portable applications. The charge parameters can be  programmed  through  an  I2C  interface.  The  IC  integrates  a  z synchronous PWM controller, power MOSFETs, input current  z sensing,  high‐accuracy  current  and  voltage  regulation,  and  z charge termination, into a small WCSP package.
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