BQ24190_15 Datasheet, PDF (1/52 Pages) Texas Instruments – bq2419x I2C Controlled 4.5-A Single Cell USB/Adapter Charger with Narrow VDC Power Path Management and USB OTG

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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 Features
• High Efficiency 4.5-A Switch Mode Charger
– 92% Charge Efficiency at 2 A, 90% at 4 A
– Accelerate Charge Time by Battery Path
Impedance Compensation
• Compatible with MaxLife Technology for Faster
Charging When Used in Conjunction With
bq27531
• Highest Battery Discharge Efficiency with 12-mΩ
Battery Discharge MOSFET up to 9-A Discharge
Current
• Single Input USB-compliant/Adapter Charger
– USB Host or Charging Port D+/D- Detection
Compatible to USB Battery Charger Spec 1.2
– Input Voltage and Current Limit Supports
USB2.0 and USB3.0
– Input Current Limit: 100 mA, 150 mA, 500 mA,
900 mA, 1.2 A, 1.5 A, 2 A and 3 A
• 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
– 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
• 1.5-MHz Switching Frequency for Low Profile
Inductor
• Autonomous Battery Charging with or without
Host Management
– Battery Charge Enable
– Battery Charge Preconditioning
– Charge Termination and Recharge
• High Accuracy (0°C to 125°C)
– ±0.5% Charge Voltage Regulation
– ±7% Charge Current Regulation
– ±7.5% Input Current Regulation
– ±2% Output Regulation in Boost Mode
• High Integration
– Power Path Management
– Synchronous Switching MOSFETs
1
– Integrated Current Sensing
– Bootstrap Diode
– Internal Loop Compensation
• Safety
– Battery Temperature Sensing and Charging
Safety Timer
– Thermal Regulation and Thermal Shutdown
– Input System Over-Voltage Protection
– MOSFET Over-Current Protection
• Charge Status Outputs for LED or Host Processor
• Low Battery Leakage Current and Support
Shipping Mode
• 4.00 mm x 4.00 mm VQFN-24 Package
2 Applications
• Tablet PC and Smart Phone
• Portable Audio Speaker
• Portable Media Players
• Internet Devices
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.
Device Information⁽¹⁾
PART NUMBER
PACKAGE
BODY SIZE (NOM)
bq24190
bq24192
VQFN (24)
4.00 mm x 4.00 mm
bq24192I
(1) For all available packages, see the orderable addendum at
the end of the datasheet.
5V USB SDP/DCP
USB
1μF
6.8μF
bq24190
VBUS
SW
PMID
BTST
D+
REGN
D–
SYS
PGND
VREF
2.2kW
STAT
SYS
BAT
10kW 10kW 10kW
Host
SDA
ILIM
SCL
INT
OTG
CE
TS1
TS2
Power Pad
1μH
47nF
4.7μF
SYS: 3.5V-4.35V
10μF 10μF 10μF 10μF
353W 10μF
(1.5A max)
REGN
5.52kW
31.23kW
10kW
(103-AT)
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.