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BQ24296MRGER Datasheet(PDF) 1 Page - Texas Instruments

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Part # BQ24296MRGER
Description  Controlled 3A Single Cell USB Charger
Download  51 Pages
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Manufacturer  TI1 [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI1 - Texas Instruments

BQ24296MRGER Datasheet(HTML) 1 Page - Texas Instruments

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background image
VBUS
PMID
SDA
SCL
INT
OTG
CE
PSEL
SW
BOOT
REGN
PGND
SYS
BAT
ILIM
TS
SYS: 3.5V-4.35V
5V USB
SDP/DCP
bq24296M
Thermal Pad
REGN
1 F
8.2 F
47nF
4.7 F
1 H
10 F
317W (1.5A max)
VREF
10kW
10kW
10kW
STAT
PG
SYS
2.2kW
PHY
Host
10 F
10 F
QON
4.2V
Optional
5.25kW
31.23kW
10kW
Charge Enable (0°C - 45°C)
Product
Folder
Sample &
Buy
Technical
Documents
Tools &
Software
Support &
Community
bq24296M
SLUSBU3A – FEBRUARY 2014 – REVISED JANUARY 2015
bq24296M I2C Controlled 3A Single Cell USB Charger With Narrow VDC
Power Path Management and Adjustable Voltage USB OTG
1
1 Features
90% High Efficiency Switch Mode 3-A Charger
Thermal Regulation and Thermal Shutdown
3.9-V to 6.2-V Single Input USB-Compliant
Input and System Over-Voltage Protection
Charger with 6.4-V Over-Voltage Protection
MOSFET Over-Current Protection
Input voltage and current limit supports USB
Charge Status Outputs for LED or Host Processor
2.0 and USB 3.0
Maximum power tracking capability by input
Input Current Limit: 100 mA, 150 mA, 500 mA,
voltage regulation
900 mA, 1 A, 1.5 A, 2 A, and 3 A
20-µA Low Battery Leakage Current and Support
USB OTG with Adjustable output 4.55 V to 5.5 V
Shipping Mode
at 1 A or 1.5 A
4-mm x 4-mm VQFN-24 Package
Fast OTG Startup (22 ms Typ)
2 Applications
90% 5-V Boost Mode Efficiency
Accurate ±15% Hiccup Mode Overcurrent
Tablet PC, Smart Phone, Internet Devices
Protection
Portable Audio Speaker
Narrow VDC (NVDC) Power Path Management
3 Description
Instant System On with No Battery or Deeply
Discharged Battery
The bq24296M is a highly-integrated switch-mode
battery charge management and system power path
Ideal Diode Operation in Battery Supplement
management device for 1 cell Li-Ion and Li-polymer
Mode
battery in a wide range of smart phone and tablet
1.5-MHz Switching Frequency for Low Profile 1.2-
applications. Its low impedance power path optimizes
mm Inductor
switch-mode operation efficiency, reduces battery
charging
time
and
extends
battery
life
during
I2C port for optimal system performance and
discharging phase. The I2C serial interface with
status reporting
charging and system settings makes the device a
Autonomous Battery Charging with or without
truly flexible solution.
Host Management
Battery Charge Enable
Device Information(1)
Battery Charge Preconditioning
PART NUMBER
PACKAGE
BODY SIZE (NOM)
bq24296M
VQFN (24)
4.00 mm x 4.00 mm
Charge Termination and Recharge
High Accuracy
(1) For all available packages, see the orderable addendum at
the end of the datasheet.
±0.5% Charge Voltage Regulation
±7% Charge Current Regulation
PSEL from PHY, Charging from SDP/DCP, and
Optional BATFET Enable Interface
±7.5% Input Current Regulation
±3% Output Voltage Regulation in USB OTG
Boost Mode
High Integration
Power Path Management
Synchronous Switching MOSFETs
Integrated Current Sensing
Bootstrap Diode
Internal Loop Compensation
Safety
Battery Temperature Sensing for Charging and
Discharging in OTG Mode
Battery Charging Safety Timer
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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