single‐cell Li‐ion and Li‐polymer batteries used in a wide z range of portable applications.
Key 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 .
Full PDF Text Transcription for TD9157 (Reference)
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TD9157. For precise diagrams, and layout, please refer to the original PDF.
T echcode® DATASHEET Fully Integrated Switch-Mode ChargerWith USB Compliance and USB-OTG Support TD9157 Charge Current Regulation Accuracy: ±5% General Description z Inpu...
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157 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.
TD9157 Datasheet
