Datasheet > RT9485

RT9485

更新时间： 2024-11-07 15:50:03

品牌	Logo	应用领域
立锜 - RICHTEK		电池
页数	文件大小	规格书
17页	2837K
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技术参数
数据手册

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RT9485 技术参数

Status：	Active	Vin (min) (V)：	4.3
Vin (max) (V)：	5.65	Battery Charge Voltage (max) (V)：	4.6
Battery Charge Current (max) (A)：	2.7	Input Source：	AC Adapter;USB
Features：	Cycle-by-Cycle Current Limit;OCP;OVP;SCP;UVP	Package Type：	VQFN4x4-32

RT9485 数据手册

RT9485

Easy to Use Power Bank Solution (EZPBS^TM) Integrated

Chip with Switch Charger, MCU, ADC, and Load Switch

General Description

Features

System

The RT9485 is a high integration and easy to use power

solution for Li-ion power bank and other powered handheld

applications. We call it EZPBS^TM(Easy to Use Power

Bank Solution). This single chip includes a Switching

Charger with OTG function, MCU, Analog to Digital

Converter (ADC), USBOUT Load Switch,AdapterDetection

with BC1.2,DCP controller and LDO. The battery volume

and the state of charging and discharging can be indicated

by 4LEDs.

ò High Accuracy Voltage/Current Regulation

} ±1% Charge Voltage Regulation

} ±0.1A Charge Current Regulation

} ±3% Boost Output Voltage Regulation

ò Thermal Shutdown Protection

ò Reverse Leakage Protection to Prevent Battery

Drainage

ò Built-in USBOUT DCP Controller

ò Built-in USBOUT Attach/Detach Detection

ò Built-in USBOUT Light Load Detection

ò Built-in Load Switch with Current Regulation

Thermal Regulation and Output Short Current

Protection

Applications

ò Power Bank

ò Built-In Adapter Detection with BC1.2

ò Built-In Accurate ADC to Measure VBAT, VBUS, TS,

IBAT, USBOUT and IUSBOUT

ò Built-In LDO

Ordering Information

RT9485

Package Type

QV : VQFN-32L 4x4 (V-Type)

ò OTP Based MCU

Lead Plating System

G : Green (Halogen Free and Pb Free)

ò 4 LED Driver Pin

ò Button Key

Note :

Charge Mode

Richtek products are :

ò Charge Voltage Regulation

ò Charge Current Regulation

ò Minimum Input Voltage Regulation (MIVR)

ò Average Input Current Regulation (AICR)

ò Thermal Regulation

} RoHS compliant and compatible with the current require-

ments of IPC/JEDEC J-STD-020.

} Suitable for use in SnPb or Pb-free soldering processes.

ò VMID Under-Voltage Protection

ò VBUS Over-Voltage Protection

ò Battery Over-Voltage Protection

ò Battery Temperature Protection

Boost Mode

Marking Information

AB= : Product Code

YMDNN :Date Code

AB=YM

DNN

ò OTG Boost Current Up to 3A

ò Battery Under-Voltage Protection

ò VMID Over-Voltage Protection

is a registered trademark of Richtek Technology Corporation.

DS9485-03 April 2018

www.richtek.com

12 3 4 5 6 7...17

中文翻译

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与RT9485相关器件

型号	品牌	获取价格	描述	数据表
RT9490	RICHTEK	获取价格	5A 2-4 Cell Buck-Boost Switching Battery Charger
RT9492	RICHTEK	获取价格	5A 1-4 Cell Buck-Boost Switching Battery Charger
RT94BR08GYT	AMPHENOL	获取价格	Combination Line Connector, 8 Contact(s), Male, Solder Terminal, Receptacle
RT94BR08RDT	AMPHENOL	获取价格	Combination Line Connector, 8 Contact(s), Male, Solder Terminal, Receptacle
RT94BR08WHT	AMPHENOL	获取价格	Combination Line Connector, 8 Contact(s), Male, Solder Terminal, Receptacle
RT94BR08YET	AMPHENOL	获取价格	Combination Line Connector, 8 Contact(s), Male, Solder Terminal, Receptacle
RT94BR16BLT	AMPHENOL	获取价格	Combination Line Connector, 16 Contact(s), Male, Solder Terminal, Receptacle
RT94BR16BNT	AMPHENOL	获取价格	Combination Line Connector, 16 Contact(s), Male, Solder Terminal, Receptacle
RT94BR16GNT	AMPHENOL	获取价格	Combination Line Connector, 16 Contact(s), Male, Solder Terminal, Receptacle
RT94BR16GYT	AMPHENOL	获取价格	Combination Line Connector, 16 Contact(s), Male, Solder Terminal, Receptacle

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