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RT9481 датащи(PDF) 1 Page - Richtek Technology Corporation |
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RT9481 датащи(HTML) 1 Page - Richtek Technology Corporation |
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1 / 41 page ![]() RT9481 Copyright © 2015 Richtek Technology Corporation. All rights reserved. is a registered trademark of Richtek Technology Corporation. DS9481-00 June 2015 www.richtek.com 1 Easy to Use Power Bank Solution (EZPBSTM) Integrated Chip with Switch Charger, ADC, and Load switch General Description The RT9481 is a high integration and easy to use power solution for Li-ion power bank and other powered handheld applications. We call it EZPBSTM (Easy to Use Power Bank Solution). This single chip includes a Switching Charger with Boost function, Analog to Digital Converter (ADC), USBOUT Load Switch, Adapter Detection with BC1.2, DCP controller and LDO. Applications Power Bank Ordering Information Package Type QW : WQFN-24L 4x4 (W-Type) (Exposed Pad-Option 2) RT9481 Lead Plating System G : Green (Halogen Free and Pb Free) Note : Richtek products are : RoHS compliant and compatible with the current requirements of IPC/JEDEC J-STD-020. Suitable for use in SnPb or Pb-free soldering processes. Pin Configurations (TOP VIEW) USBOUT USBOUT VHMID VBUS VBUS D- SCL SDA AGND VDDA VDD28V INT AGND 1 2 3 4 5 6 7 8 9 10 12 11 18 17 16 15 14 13 21 20 19 24 22 23 25 WQFN-24L 4x4 Features System High Accuracy Voltage/Current Regulation 1% Charge Voltage Regulation 0.1A Charge Current Regulation 3% Boost Output Voltage Regulation Thermal Shutdown Protection Reverse Leakage Protection to Prevent Battery Drainage. Built-In USBOUT DCP Controller Built-In USBOUT Attach/Detach Detection Built-In USBOUT Light Load Detection Built-In Load Switch with Current Regulation Thermal Regulation and Output Short Current Protection Built-In Adapter Detection with BC1.2 Built-In Accurate ADC to Measure VBAT, VBUS, TS, IBAT , USBOUT and IUSBOUT Built-In LDO Interrupt Output for Event Notification I 2C Interface with 400kHz Charge Mode Charge Voltage Regulation : 3.65V to 4.6V Charge Current Regulation : 0.7A to 2.7A Minimum Input Voltage Regulation (MIVR) : 4.2V to 4.8V Average Input Current Regulation (AICR) : 0.1A to 2A Charge Termination Current : 0.15A to 0.6A Pre-charge Threshold : 2.3V to 3.8V Pre-charge Current : 0.2A to 0.5A Thermal Regulation VMID Under Voltage Protection VBUS Over Voltage Protection Battery Over Voltage Protection Bad Adapter Detection Boost Mode Boost Output Current Up to 3A Boost Output Voltage : 3.65V to 5.2V Battery Under Voltage Protection : 2.5V to 3.2V VMID Over Voltage Protection |
Аналогичный номер детали - RT9481 |
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Аналогичное описание - RT9481 |
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