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BQ24192I_15

更新时间： 2024-11-07 01:13:59
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德州仪器 - TI /
页数 文件大小 规格书
52页 2909K
描述
bq2419x I2C Controlled 4.5-A Single Cell USB/Adapter Charger with Narrow VDC Power Path Management and USB OTG

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中文翻译

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BQ24192I_15 数据手册

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Sample &  
Buy  
Support &  
Community  
Product  
Folder  
Tools &  
Software  
Technical  
Documents  
bq24190, bq24192, bq24192I  
SLUSAW5B –JANUARY 2012–REVISED DECEMBER 2014  
bq2419x I2C Controlled 4.5-A Single Cell USB/Adapter Charger  
with Narrow VDC Power Path Management and USB OTG  
1
1 Features  
•
High Efficiency 4.5-A Switch Mode Charger  
–
–
–
Integrated Current Sensing  
Bootstrap Diode  
–
–
92% Charge Efficiency at 2 A, 90% at 4 A  
Accelerate Charge Time by Battery Path  
Impedance Compensation  
Internal Loop Compensation  
•
Safety  
•
•
•
Compatible with MaxLife Technology for Faster  
Charging When Used in Conjunction With  
bq27531  
–
Battery Temperature Sensing and Charging  
Safety Timer  
–
–
–
Thermal Regulation and Thermal Shutdown  
Input System Over-Voltage Protection  
MOSFET Over-Current Protection  
Highest Battery Discharge Efficiency with 12-mΩ  
Battery Discharge MOSFET up to 9-A Discharge  
Current  
•
•
Charge Status Outputs for LED or Host Processor  
Single Input USB-compliant/Adapter Charger  
Low Battery Leakage Current and Support  
Shipping Mode  
–
–
–
USB Host or Charging Port D+/D- Detection  
Compatible to USB Battery Charger Spec 1.2  
•
4.00 mm x 4.00 mm VQFN-24 Package  
Input Voltage and Current Limit Supports  
USB2.0 and USB3.0  
2 Applications  
Input Current Limit: 100 mA, 150 mA, 500 mA,  
900 mA, 1.2 A, 1.5 A, 2 A and 3 A  
•
•
•
•
Tablet PC and Smart Phone  
Portable Audio Speaker  
Portable Media Players  
Internet Devices  
•
•
•
3.9-V to 17-V Input Operating Voltage Range  
–
Support All Kinds of Adapter with Input Voltage  
DPM Regulation  
USB OTG 5 V at 1.3-A Synchronous Boost  
Converter Operation  
3 Description  
The bq24190, bq24192, and bq24192I are highly-  
integrated switch-mode battery charge management  
and system power path management devices for  
single cell Li-Ion and Li-polymer battery in a wide  
range of tablet and other portable devices.  
–
93% 5-V Boost Efficiency at 1 A  
Narrow VDC (NVDC) Power Path Management  
–
–
Instant-on Works with No Battery or Deeply  
Discharged Battery  
Ideal Diode Operation in Battery Supplement  
Mode  
Device Information(1)  
PART NUMBER  
bq24190  
PACKAGE  
BODY SIZE (NOM)  
•
•
1.5-MHz Switching Frequency for Low Profile  
Inductor  
bq24192  
VQFN (24)  
4.00 mm x 4.00 mm  
Autonomous Battery Charging with or without  
Host Management  
bq24192I  
(1) For all available packages, see the orderable addendum at  
the end of the datasheet.  
–
–
–
Battery Charge Enable  
Battery Charge Preconditioning  
Charge Termination and Recharge  
bq24190  
1μH  
SYS: 3.5V-4.35V  
10μF  
5V USB SDP/DCP  
SW  
VBUS  
10μF 10μF 10μF  
1μF  
PMID  
47nF  
6.8μF  
•
High Accuracy (0°C to 125°C)  
BTST  
USB  
D+  
REGN  
4.7μF  
–
–
–
–
±0.5% Charge Voltage Regulation  
±7% Charge Current Regulation  
±7.5% Input Current Regulation  
±2% Output Regulation in Boost Mode  
D–  
SYS  
PGND  
2.2kW  
SYS  
BAT  
STAT  
SDA  
VREF  
353W  
(1.5A max)  
10μF  
10kW  
10kW 10kW  
ILIM  
SCL  
INT  
Host  
•
High Integration  
REGN  
OTG  
CE  
5.52kW  
–
–
Power Path Management  
TS1  
TS2  
10kW  
(103-AT)  
31.23kW  
Synchronous Switching MOSFETs  
Power Pad  
1
An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications,  
intellectual property matters and other important disclaimers. PRODUCTION DATA.  
 
 
 
 
 
 
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