BQ24193_15 Datasheet, PDF (1/49 Pages) Texas Instruments – bq24193 I2C Controlled 4.5-A Single Cell USB/Adapter Charger with Narrow VDC Power Path Management and USB OTG

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bq24193
SLUSBG7 – DECEMBER 2014
bq24193 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 Compensatioin
• 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
– Integrated Current Sensing
– Bootstrap Diode
– Internal Loop Compensation
1
• Safety
– Battery Temperature Sensing and Charging
Safety Timer
– JEITA Guideline Compliant
– 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 QFN-24 Package
2 Applications
• Tablet PC and Smart Phone
• Portable Audio Speaker
• Portable Media Players
• Internet Devices
3 Description
The bq24193 is 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)
bq24193
VQFN (24)
4.00 mm x 4.00 mm
(1) For all available packages, see the orderable addendum at
the end of the datasheet.
bq24193 with PSEL, USB On-The-Go (OTG) and
Support JEITA Profile
12V Adapter
1μF
10μF
SYS
bq24193
VBUS
SW
PMID
BOOT
REGN
PGND
2.2μH
47nF
1μF
SYS: 3.5V-4.35V
10μF 10μF
VREF
10kW
Host
10kW
2.2kW
10kW
PG
SYS
STAT
BAT
265W 10μF
SDA
(2A max)
ILIM
SCL
INT
REGN
OTG
2.27kW
CE
TS1
TS2
PSEL
Power Pad
6.86kW
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.