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RT9536H PDF预览

RT9536H

更新时间： 2024-01-29 14:21:26
品牌 Logo 应用领域
立锜 - RICHTEK 电池
页数 文件大小 规格书
15页 220K
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RT9536H 技术参数

Status：ActiveVin (min) (V)：4.3
Vin (max) (V)：5.5Battery Charge Voltage (max) (V)：4.4
Battery Charge Current (max) (A)：1Input Source：USB
Features：OVP;UVPPackage Type：WDFN3x2-10

RT9536H 数据手册

 浏览型号RT9536H的Datasheet PDF文件第1页浏览型号RT9536H的Datasheet PDF文件第2页浏览型号RT9536H的Datasheet PDF文件第4页浏览型号RT9536H的Datasheet PDF文件第5页浏览型号RT9536H的Datasheet PDF文件第6页浏览型号RT9536H的Datasheet PDF文件第7页 
RT9536H  
Operation  
Multi-Loop Controller  
The RT9536H is designed for single cell Li-Ion battery  
charger in portable applications.  
The Multi-Loop controller controls the operation during  
the charging process. The controller will make sure the  
battery is well charged in a suitable current, voltage, and  
die temperature.  
Base Circuit  
The Base circuit provides the internal power for VDD, VREF  
reference voltage and bias current.  
Status Indicator  
Power Switch with Switch Well Circuits  
The CHGSB and PGB pin indicate the charger and power  
condition. During the charging process, the CHGSB pin  
is pulled low. When the charger is under charge done  
condition or abnormal condition, the CHGSB will be high  
impedance. The PGB pin indicates the input power status  
at VIN pin. When the input power is normal, the PGB pin  
is pulled low.  
The main power switch between VINand BATT is designed  
to control the charge current for battery. The switch well  
is designed to avoid the reverse current from battery to  
input power.  
Sleep Mode  
When the charger is only connected to battery with no  
input power, the charger will enter sleep mode and the  
leakage current from battery to the charger will be less  
than 10μAfor low power consumption  
Operation Mode  
The RT9536H provides programmable output current mode  
setting including USB100, USB500 and Factory mode.  
The operation mode is programmable through the input  
pulse number at EN/SET pin. Under the factory mode,  
besides the EN/SET is also used to set regulation to be  
4.25V or 4.4V. Output current is up to 2.3A.  
Current Set Block  
The charge current is adjustable from the ISET pin with  
an external resistor between the ISET andGND. The End-  
of-Charge current is also adjustable by an external resistor  
connected from the IEOC pin to GND. If the charging  
current is less than EOC current, the CHGSB pin will be  
pulled high.  
LDO  
The RT9536H provides a LDO regulator to support the  
peripheral circuits. The output voltage is regulated to 4.9V  
and the maximum output current is 50mA.  
Protection  
The protection circuits include OVP, UVLO and OTP. When  
the protection circuit is triggered, the main power switch  
will be turned of to protect the charging system.  
Copyright 2015 Richtek Technology Corporation. All rights reserved.  
©
is a registered trademark of Richtek Technology Corporation.  
DS9536H-01 August 2015  
www.richtek.com  
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