TD9157 Fully Integrated Switch-Mode Charger

Techcode

Description

T echcode® DATASHEET Fully Integrated Switch-Mode ChargerWith USB Compliance and USB-OTG Support TD9157 Charge Current Regulation Accuracy.
z Input Voltage Based Dynamic Power Management (VIN z The TD9157 is a compact, flexible, high‐efficiency, z USB‐friendly switch‐mode char.

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Datasheet Specifications

Part number: TD9157
Manufacturer: Techcode
File Size: 2.28 MB
Datasheet: TD9157-Techcode.pdf
Description: Fully Integrated Switch-Mode Charger

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

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. z The IC charge

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TD9157 Fully Integrated Switch-Mode Charger Techcode

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