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BQ24296 Datasheet(PDF) 1 Page - Texas Instruments

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Part # BQ24296
Description  I2C Controlled 3A Single Cell USB Charger
Download  48 Pages
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Manufacturer  TI1 [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI1 - Texas Instruments

BQ24296 Datasheet(HTML) 1 Page - Texas Instruments

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bq24296
bq24297
www.ti.com
SLUSBP6A – SEPTEMBER 2013 – REVISED OCTOBER 2013
I2C Controlled 3A Single Cell USB Charger With Narrow VDC
Power Path Management and Adjustable Voltage USB OTG
Check for Samples: bq24296, bq24297
1
FEATURES
High Accuracy
±0.5% Charge Voltage Regulation
2
90% High Efficiency Switch Mode 3A Charger
±7% Charge Current Regulation
3.9V-6.2V Single Input USB-compliant Charger
with 6.4V Over-Voltage Protection
±7.5% Input Current Regulation
USB Host or Charging Port D+/D- Detection
±3% Output Voltage Regulation in USB
Compatible to USB Battery Charger Spec
OTG Boost Mode
(BC1.2)
High Integration
Support Non-standard 2A/1A Adapters
Power Path Management
detection (bq24297)
Synchronous Switching MOSFETs
Input voltage and current limit supports
Integrated Current Sensing
USB2.0 and USB 3.0
Bootstrap Diode
Input Current Limit: 100mA, 150mA, 500mA,
Internal Loop Compensation
900mA, 1A, 1.5A, 2A, and 3A
Safety
USB OTG with Adjustable output 4.55-
Battery Temperature Sensing for Charging
5.5V@1A or 1.5A
and Discharging in OTG Mode
Fast OTG Startup (22ms typ.)
Battery Charging Safety Timer
90% 5V Boost Mode Efficiency
Thermal Regulation and Thermal Shutdown
Accurate +/-15% Hiccup Mode Overcurrent
Input and System Over-Voltage Protection
Protection
MOSFET Over-Current Protection
Narrow VDC (NVDC) Power Path Management
Charge Status Outputs for LED or Host
Instant System On with No Battery or
Processor
Deeply Discharged Battery
Maximum power tracking capability by input
Ideal Diode Operation in Battery
voltage regulation
Supplement Mode
20µA Low Battery Leakage Current and
1.5MHz Switching Frequency for Low Profile
Support Shipping Mode
1.2mm Inductor
4mm x 4mm QFN-24 Package
I2C port for optimal system performance and
status reporting
APPLICATIONS
Autonomous Battery Charging with or without
Host Management
Tablet PC
Battery Charge Enable
Smart Phone
Battery Charge Preconditioning
Portable Audio Speaker
Charge Termination and Recharge
Internet Devices
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.
2
PowerPAD is a trademark of Texas Instruments.
PRODUCTION DATA information is current as of publication date.
Copyright © 2013, 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.


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