Texas Instruments BQ2419X I²C Controlled 4.5A Single Cell USB / Adaptor Charger Evaluation Module BQ24195LEVM-193 BQ24195LEVM-193 Scheda Tecnica
Codici prodotto
BQ24195LEVM-193
SLUSB97 – OCTOBER 2012
I
2
C Controlled 2.5A / 4.5A Single Cell USB/Adapter Charger
With 5.1V at 1A / 5.1V at 2.1A Synchronous Boost Operation
Check for Samples:
,
1
FEATURES
•
High Accuracy (0°C to 125°C)
–
±0.5% Charge Voltage Regulation
2
•
High Efficiency Switch Mode Charger
–
±7% Charge Current Regulation
–
2.5A(bq24195L) or 4.5A(bq24195) Fast
Charging
Charging
–
±7.5% Input Current Regulation
–
92% Charge Efficiency at 2A, 90% at 4A
–
±2% Output Regulation in Boost Mode
•
Synchronous Boost Converter in Battery
•
High Integration
Boost Mode
–
Power Path Management
–
5.1V at 1A (bq24195L) or 5.1V at 2.1A
–
Synchronous Switching MOSFETs
(bq24195)
–
Integrated Current Sensing
–
94% 5.1V Boost Efficiency at 1A, 91% at
–
Bootstrap Diode
2.1A
–
Internal Loop Compensation
•
Highest Battery Discharge Efficiency with
•
Safety
12m
Ω
Battery Discharge MOSFET up to 9A
–
Battery Temperature Sensing and Charging
Discharge Current
Safety Timer
•
Single Input USB-compliant/Adapter Charger
–
Thermal Regulation and Thermal Shutdown
–
USB Host or Charging Port D+/D- Detection
–
Input System Over-Voltage Protection
Compatible to USB Battery Charger Spec
1.2
1.2
–
MOSFET Over-Current Protection
–
Input Voltage and Current Limit Supports
•
Charge Status Outputs for LED or Host
USB2.0 and USB 3.0
Processor
–
Input Current Limit: 100mA, 150mA, 500mA,
•
Low Battery Leakage Current and Support
900mA, 1.2A, 1.5A, 2A and 3A
Shipping Mode
•
3.9V–17V Input Operating Voltage Range
•
4mm x 4mm QFN-24 Package
–
Support All Kinds of Adapter with Input
APPLICATIONS
Voltage DPM Regulation
•
Narrow VDC (NVDC) Power Path Management
•
Power Bank for Smartphone, Tablet
–
Instant-on Works with No Battery or Deeply
•
Tablet PC
Discharged Battery
•
Smart Phone
–
Ideal Diode Operation in Battery
•
Portable Audio Speaker
Supplement Mode
•
Portable Media Players
•
1.5MHz Switching Frequency for Low Profile
•
Internet Devices
Inductor
•
Autonomous Battery Charging with or without
Host Management
Host Management
–
Battery Charge Enable
–
Battery Charge Preconditioning
–
Charge Termination and Recharge
1
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
2
PowerPAD is a trademark of Texas Instruments.
PRODUCTION DATA information is current as of publication date.
Copyright © 2012, Texas Instruments Incorporated
Products conform to specifications per the terms of the Texas
Instruments standard warranty. Production processing does not
necessarily include testing of all parameters.
Instruments standard warranty. Production processing does not
necessarily include testing of all parameters.