CXLB73197 charging state dual output fault-free status display 5V AC adapter 2A synchronous step-down lithium battery charging circuit soft start limits inrush current battery temperature monitoring output short circuit protection function

首页 > Products > Battery Charging Chip > Lithium Charging Chip > Single Lithium Battery Charging Chip >CXLB73197 charging state dual output fault-free status display 5V AC adapter 2A synchronous step-down lithium battery charging circuit soft start limits inrush current battery temperature monitoring output short circuit protection function

CXLB73197 is a 2A Li-Ion battery charger for 5V AC adapter. It is a synchronous step-down converter with a fixed frequency of 1.5MHz, so it has a charging efficiency of more than 90% and generates very little heat.
The CXLB73197 includes a complete charging termination circuit, automatic recharging and a 4.2V preset charging voltage with an accuracy of ± 1%. It integrates multiple functions such as anti-flooding protection, output short circuit protection, chip and battery temperature protection.
The CXLB73197 is in a heat-sink DFN8 package and requires very few peripheral components, so it can be embedded in a variety of handheld applications as an efficient charger for high-capacity batteries.

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The CXLB73197 includes a complete charging termination circuit, automatic recharging and a 4.2V preset charging voltage with an accuracy of ± 1%. It integrates multiple functions such as anti-flooding protection, output short circuit protection, chip and battery temperature protection.6C9嘉泰姆

The CXLB73197 is in a heat-sink DFN8 package and requires very few peripheral components, so it can be embedded in a variety of handheld applications as an efficient charger for high-capacity batteries.6C9嘉泰姆

Product FeaturesReturn to Top6C9嘉泰姆

■ 1.5MHz Fixed Switching Frequency6C9嘉泰姆

■ Up to 90% output efficiency
■ Maximum 2.5A output current
■ No back-current protection diode required
■ No external power MOS tube or freewheeling diode required
■ 4.2V charging voltage with an accuracy of ± 1%
■ Charging status dual output, no battery and fault status display
■ C/10 charge termination
■ The supply current in standby mode is 140uA
■ 2.9V trickle charge
■ Soft start limits inrush current
■ Battery temperature monitoring function
■ Output short circuit protection function
■ in 8-pin DFN8 package

Scope of applicationReturn to Top6C9嘉泰姆

Mobile Phone6C9嘉泰姆

Tablet PC6C9嘉泰姆
MP3, MP4 player6C9嘉泰姆
Digital Camera6C9嘉泰姆
electronic dictionary6C9嘉泰姆
 GPS6C9嘉泰姆
Portable devices, various chargers6C9嘉泰姆

Technical Specification (Product PDF)Return to Top 6C9嘉泰姆

If you need detailed PDF specifications, please scan WeChat and contact us. You can also get free samples and technical support.!6C9嘉泰姆
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Product packaging diagramReturn to Top6C9嘉泰姆

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Circuit schematicReturn to Top6C9嘉泰姆

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Related Chip Selection GuideReturn to Top More products.....6C9嘉泰姆

Power Management> Charging Management
Product Name	Product Type	Charging current	Indicator light	Battery voltage	Charging efficiency	Input voltage	Switching frequency	Quiescent current	Accuracy	Encapsulation form	Note
CXLB73187	Switch	3.5A	2	4.35V	92%	5V	800KHz	70uA	±1%	SOP8	Input supply voltage (VIN):-0.3V ~ 6.5V
CXLB73188	Switch	3.5A	2	4.2V	92%	5V	800KHz	70uA	±1%	SOP8	Input supply voltage (VIN):-0.3V ~ 6.5V
CXLB73189	Switch	2.5A	2	4.2V	90%	5V	550kHz	20uA	±1%	DFN3x3-10L	Input voltage protection up to 26V
CXLB73190	Switch	1.5A	2	8.4V	92%	5V	750KHz	20uA	±1%	QFN4x4-16L	Up to 22V Input Voltage Protection
CXLB73191	Switch	1.0A	2	12.6V	92%	5V	650kHz	20uA	±1%	QFN4x4-16L	Up to 20V Input Voltage Protection
CXLB73192	Switch	2.7A	2	4.2V	90%	5V	550kHz	20uA	±1%	DFN3x3-10L	Maximum working voltage 6.0V, withstand voltage 28V
CXLB73193	Linear	1.0A	2	4.2V	92%	5V		5uA	±1%	DFN3*3-8L ESOP8	Input withstand voltage of up to 28V
CXLB73194	Linear	600mA	2	4.2V	92%	4.0~6.0V		5uA	±1%	SOT-23-6L	Input withstand voltage of up to 28V
CXLB7260B	Switch	2A	2	4.2V	90%	5V	1.5MHz	140uA	±1%	SOP/MSOP-8	Input supply voltage (VIN):-0.3V ~ 6.5V
CXLB73195	Switch	2.5A	2	12.6V	92%	6.8~28V	300KHz	750uA	±1.0%	TSSOP-14L	Input power supply voltage 60V three or four multi-type lithium battery or lithium iron phosphate
CXLB73196	Linear	1.0A	2	4.2V	92%	5V		2uA	±1%	ESOP8/MSOP	Input withstand voltage of up to 30V
CXLB7260C	Switch	2.5A	2	4.35V	90%	5V	1.5MHz	140uA	±1%	ESOP8 MSOP8	Input supply voltage (VIN):-0.3V ~ 6.5V
CXLB73197	Switch	2A	2	4.2V	90%	5V	1.5MHz	140uA	±1%	DFN8	2A Li-ion battery charger to 5V AC adapter
CXLB7295	Linear	1.0A	2	4.2V	90%	5V		2uA	±1%	ESOP8/MSOP	Constant Current/Constant Voltage Linear Charger
CXLB73198	Linear	800mA	2	4.2V	90%	5V		2uA	±1%	SOT-23-6L	Single-cell lithium battery constant current constant voltage linear charging IC
CXLB7249	Linear	800mA	2	4.2V	90%	5V		2uA	±1%	SOT-23-5L	Single-cell lithium battery constant current constant voltage linear charging IC

◀ Previous:CXLB7260B 5V AC adapter 2A Li-ion battery charger 1.5MHz fixed frequency synchronous step-down converter charging termination circuit automatic recharging 4.2V preset charging voltage CXLB7260C

Next▶:CXLB7295 single-cell lithium-ion battery with constant current/constant voltage linear charger 1000mA charging current charging current monitor output for battery level detection

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