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Part Name(s) : BQ24157S BQ24157SYFFR BQ24157SYFFT TI
Texas Instruments
Description : 1.55-A FULLY INTEGRATED SWITCH-MODE ONE-CELL LI-ION CHARGER WITH FULL USB COMPLIANCE AND USB-OTG Support View

Description
The bq24157S is a compact, flexible, high-efficiency, USB-friendly SWITCH-MODE charge management device for single-cell LI-ION AND Li-polymer batteries used in a wide range of portable applications. The charge parameters can be programmed through an I2C interface. The IC integrates a synchronous PWM controller, power MOSFETs, input current sensing, high-accuracy current AND voltage regulation, AND charge termination, into a small DSBGA package.
The IC charges the battery in three phases: conditioning, constant current, AND constant voltage. The input current is automatically limited to the value set by the host.

Features
INTEGRATED Power FETs for up to 1.55-A Charge
   Rate
• Spread Spectrum Frequency Control for Improved
   EMI Performance
• High-Accuracy Voltage AND Current Regulation
   – Input Current Regulation Accuracy:
      ±5% (100 mA AND 500 mA)
   – Charge Voltage Regulation Accuracy:
      ±0.5% (25°C), ±1% (0°C to 125°C)
   – Charge Current Regulation Accuracy: ±5%
• Factory Test-Mode for GSM Calibration WITHout a
   Battery
• Input Voltage Based Dynamic Power
   Management (VIN DPM)
• Bad Adaptor Detection AND Rejection
• Safety Limit Register for Maximum Charge
   Voltage AND Current Limiting
• High-Efficiency Mini-USB/AC Battery CHARGER for
   Single-Cell LI-ION AND Li-Polymer Battery Packs
• 20-V Absolute Maximum Input Voltage Rating
• 6.5-V Maximum Operating Input Voltage
• Programmable Charge Parameters through I2C
   Compatible Interface (up to 3.4 Mbps):
   – Input Current Limit
   – VIN DPM Threshold
   – Fast-Charge/Termination Current
   – Charge Regulation Voltage (3.5 to 4.44 V)
   – Low Charge Current Mode Enable/Disable
   – Termination Enable/Disable
• Synchronous Fixed-Frequency PWM Controller
   Operating at 3 MHz WITH 0% to 99.5% Duty Cycle
• Automatic High Impedance Mode for Low Power
   Consumption
• Robust Protection
   – Reverse Leakage Protection Prevents Battery
      Drainage
   – Thermal Regulation AND Protection
   – Input/Output Overvoltage Protection
• Status Output for Charging AND Faults
USB Friendly Boot-Up Sequence
• Automatic Charging
• Power Up System WITHout Battery
• Boost Mode Operation for USB OTG:
   – Input Voltage Range (from Battery):
      3.2 to 4.5 V
   – Output for VBUS: 5.05 V, 350 mA
• 2.1 × 2.0-mm, 20-Pin DSBGA Package
• Pin-to-Pin Compatible WITH bq24157 AND bq24158

Applications
• Mobile AND Smart Phones
• MP3 Players
• HANDheld Devices

Part Name(s) : BQ24150A BQ24150AYFFR BQ24150AYFFT BQ24151A BQ24151AYFFR BQ24151AYFFT TI
Texas Instruments
Description : FULLY INTEGRATED SWITCH-MODE ONE-CELL LI-ION CHARGER WITH FULL USB COMPLIANCE AND USB-OTG Support View

DESCRIPTION
The bq24150A/1A is a compact, flexible, high-efficiency, USB-friendly SWITCH-MODE charge management device for single-cell LI-ION AND Li-polymer batteries used in a wide range of portable applications. The charge parameters can be programmed through an I2C interface. The bq24150A/1A integrates a synchronous PWM controller, power MOSFETs, input current sensing, high-accuracy current AND voltage regulation, AND charge termination, into a small WCSP package.
The bq24150A/1A charges the battery in three phases: conditioning, constant current AND constant voltage. The input current is automatically limited to the value set by the host. Charge is terminated based on user-selectable minimum current level. A safety timer WITH reset control provides a safety backup for I2C interface. During normal operation, bq24150A/1A automatically restarts the charge cycle if the battery voltage falls below an internal threshold AND automatically enters sleep mode or high impedance mode when the input supply is removed. The charge status is reported to the host using the I2C interface.

FEATURES
• Charge Faster than Linear CHARGERs
• High-Accuracy Voltage AND Current Regulation
   – Input Current Regulation Accuracy: ±5%
      (100 mA AND 500 mA)
   – Charge Voltage Regulation Accuracy:
      ±0.5% (25°C), ±1% (0°C to 125°C)
   – Charge Current Regulation Accuracy: ±5%
• High-Efficiency Mini-USB/AC Battery CHARGER
   for Single-Cell LI-ION AND Li-Polymer Battery Packs
• 20-V Absolute Maximum Input Voltage Rating
• 6-V Maximum Operating Input Voltage
• Built-In Input Current Sensing AND Limiting
INTEGRATED Power FETs for Up To 1.25-A Charge Rate
• Programmable Charge Parameters through I2C™ Interface (up to 3.4 Mbps):
   – Input Current
   – Fast-Charge/Termination Current
   – Charge Voltage (3.5 V to 4.44 V)
   – Safety Timer WITH Reset Control
   – Termination Enable
• Synchronous Fixed-Frequency PWM
   Controller Operating at 3 MHz WITH 0% to  99.5% Duty Cycle
• Robust Protection
   – Reverse Leakage Protection Prevents Battery Drainage
   – Thermal Regulation AND Protection
   – Input/Output Overvoltage Protection
• Status Output for Charging AND Faults
• Automatic High Impedance Mode for Low Power Consumption
USB Friendly Boot-Up Sequence
• Automatic Charging – bq24150A
• Automatic High Impedance Mode – bq24151A
• Boost Mode Operation for USB OTG:
   – Input Voltage Range (from Battery): 2.5 V to 4.5 V
   – Output for VBUS: 5.05 V/ 200 mA
• 2 x 2 mm 20-Pin WCSP Package

APPLICATIONS
• Mobile AND Smart Phones
• MP3 Players
• HANDheld Devices

Part Name(s) : BQ24153 BQ24156 BQ24158YFFR_10 BQ24158YFFT_10 BQ24158_10 BQ24153YFFR BQ24153YFFT BQ24156YFFR BQ24156YFFT TI
Texas Instruments
Description : FULLY INTEGRATED SWITCH-MODE ONE-CELL LI-ION CHARGER WITH FULL USB COMPLIANCE AND USB-OTG Support View

DESCRIPTION
The bq24153/6/8 is a compact, flexible, high-efficiency, USB-friendly SWITCH-MODE charge management device for single-cell LI-ION AND Li-polymer batteries used in a wide range of portable applications. The charge parameters can be programmed through an I2C interface. The IC integrates a synchronous PWM controller, power MOSFETs, input current sensing, high-accuracy current AND voltage regulation, AND charge termination, into a small WCSP package.

FEATURES
• Charge Faster than Linear CHARGERs
• High-Accuracy Voltage AND Current Regulation
   – Input Current Regulation Accuracy: ±5%
      (100 mA AND 500 mA)
   – Charge Voltage Regulation Accuracy:
      ±0.5% (25°C), ±1% (0°C to 125°C)
   – Charge Current Regulation Accuracy: ±5%
• Input Voltage Based Dynamic Power
   Management (VIN DPM)
• Bad adaptor detection AND rejection
• Safety limit register for maximum charge
   voltage AND current limiting
• High-Efficiency Mini-USB/AC Battery CHARGER
   for Single-Cell LI-ION AND Li-Polymer Battery
   Packs
• 20-V Absolute Maximum Input Voltage Rating
• 9.0-V Maximum Operating Input
   Voltage-bq24156
• 6-V Maximum Operating Input
   Voltage-bq24153/8
• Built-In Input Current Sensing AND Limiting
INTEGRATED Power FETs for Up To 1.5-A Charge
   Rate-bq24156, 1.25A-bq24153/8
• Programmable Charge Parameters through
   I2C™ Compatible Interface (up to 3.4 Mbps):
   – Input Current Limit
   – VIN DPM Threshold
   – Fast-Charge/Termination Current
   – Charge Regulation Voltage (3.5 V to 4.44 V)
   – Low Charge Current Mode Enable/Disable
   – Safety Timer WITH Reset Control
   – Termination Enable/Disable
• Synchronous Fixed-Frequency PWM
   Controller Operating at 3 MHz WITH 0% to
   99.5% Duty Cycle
• Automatic High Impedance Mode for Low
   Power Consumption
• Robust Protection
   – Reverse Leakage Protection Prevents
      Battery Drainage
   – Thermal Regulation AND Protection
   – Input/Output Overvoltage Protection
• Status Output for Charging AND Faults
USB Friendly Boot-Up Sequence
• Automatic Charging
• Power Up System WITHout Battery bq24158
• Boost Mode Operation for USB OTG:
   (bq24153/8 only)
   – Input Voltage Range (from Battery): 2.5 V to 4.5 V
   – Output for VBUS: 5.05 V/ 200 mA
• 2.1 mm x 2 mm 20-Pin WCSP Package

APPLICATIONS
• Mobile AND Smart Phones
• MP3 Players
• HANDheld Devices

Part Name(s) : BQ24185 BQ24185YFFR BQ24185YFFT TI
Texas Instruments
Description : FULLY INTEGRATED SWITCH-MODE ONE-CELL LI-ION CHARGER WITH FULL USB COMPLIANCE AND Accessory Power Connection View

DESCRIPTION
The bq24185 is a compact, flexible, high-efficiency, USB-friendly SWITCH-MODE charge management device for single-cell LI-ION AND Li-polymer batteries used in a wide range of portable applications. The charge parameters is programmable using an I2C compatible interface. The bq24185 integrates a synchronous PWM controller, power MOSFETs, input current sensing AND overvoltage protection, high-accuracy current AND voltage regulation, AND charge termination, into a small WCSP package.
The bq24185 charges the battery in three phases: conditioning, constant current AND constant voltage. Charge current is programmable using the I2C interface. Additionally, the input current can be limited to a host programmable threshold to maintain maximum charge current from current-limited sources, such as USB ports. Charge is terminated based on user-selectable minimum current level. A software watchdog provides a safety backup for I2C interface while a safety timer prevents overcharging the battery. During normal operation, bq24185 automatically restarts the charge cycle if the battery voltage falls below an internal threshold AND automatically enters sleep mode or high impedance mode when the input supply is removed. The charge status is reported to the host using the I2C interface. During the charging process, the bq24185 monitors its junction temperature (TJ) AND reduces the charge current if TJ increases to 125°C. To support USB OTG peripherals, the bq24185 contains boost circuitry that supplies VVBUS at 5.05V at up to 300mA by boosting the battery voltage. The bq24185 is available in 25-pin WCSP package.

FEATURES
• Charge Faster than Linear CHARGERs From
   Current Limited Input Sources
• High-Accuracy Voltage AND Current Regulation
   – Input Current Regulation Accuracy: ±5%
      (100mA, 500mA)
   – Charge Voltage Regulation Accuracy:
      ±0.5% (25°C), ±1% (0 – 125°C)
   – Charge Current Regulation Accuracy: ±5%
• 300mA, 5V Boost Mode for USB OTG Support
• Accessory Power Output (DCOUT)
• Input Voltage Based Dynamic Power
   Management
• Safety Limit Register for Maximum Charge
   Voltage AND Current Limiting
• High-Efficiency Mini-USB/AC Battery CHARGER
   for Single-Cell LI-ION AND Li-Polymer Battery
   Packs
• 20V Absolute Maximum AND 16.5V Operation
   Input Voltage Rating
• Built-in Input Current Sensing AND Limiting
INTEGRATED Power FETs for Up to 1.5A Charge
   Rate
• Programmable Charge Parameters through
   I2C™ compatible Interface (up to 3.4 Mbps)
• Synchronous Fixed-Frequency PWM
   Controller Operating at 3 MHz WITH 0% to
   99.5% Duty Cycle
• Safety Timer AND Software Watchdog
• Reverse Leakage Protection Prevents Battery
   Drainage
• Thermal Regulation AND Protection
• Status Outputs for Charging AND Faults
• 25-Pin WCSP Package

APPLICATIONS
• Mobile Phones AND Smart Phones
• Portable Media Players
• HANDheld Devices


Part Name(s) : FAN54013BUCX Fairchild
Fairchild Semiconductor
Description : USB-Compliant Single-Cell LI-ION Switching CHARGER WITH USB-OTG Boost Regulator View

Description
The FAN54010 family (FAN5401X) combines a highly INTEGRATED SWITCH-MODE CHARGER, to minimize single-cell Lithiumion (LI-ION) charging time from a USB power source, AND a boost regulator to power a USB peripheral from the battery.

Features
FULLY INTEGRATED, High-Efficiency CHARGER for Single-Cell LI-ION AND Li-Polymer Battery Packs
■ Faster Charging than Linear
■ Charge Voltage Accuracy: ±0.5% at 25°C ±1% from 0 to 125°C
■ ±5% Input Current Regulation Accuracy
■ ±5% Charge Current Regulation Accuracy
■ 20V Absolute Maximum Input Voltage
■ 6V Maximum Input Operating Voltage
■ 1.45A Maximum Charge Rate
■ Programmable through High-Speed I2C Interface (3.4Mb/s) WITH Fast Mode Plus Compatibility
    – Input Current
    – Fast-Charge / Termination Current
    – CHARGER Voltage
    – Termination Enable
■ 3MHz Synchronous Buck PWM Controller WITH Wide Duty Cycle Range
■ Small Footprint 1μH External Inductor
■ Safety Timer WITH Reset Control
■ 1.8V Regulated Output from VBUS for Auxiliary Circuits
■ Weak Input Sources Accommodated by Reducing Charging Current to Maintain Minimum VBUS Voltage
■ Low Reverse Leakage to Prevent Battery Drain to VBUS
■ 5V, 500mA Boost Mode for USB OTG for 3.0 to 4.5V Battery Input

Applications
■ Cell Phones, Smart Phones, PDAs
■ Tablet, Portable Media Players
■ Gaming Device, Digital Cameras

Part Name(s) : BQ24157 BQ24157A BQ24157YFF BQ24157YFFR BQ24157YFFT TI
Texas Instruments
Description : FULLY INTEGRATED SWITCH-MODE CHARGER WITH USB COMPLIANCE AND USB-OTG Support View

Description
The bq24157 is a compact, flexible, high-efficiency, USB-friendly SWITCH-MODE charge management device for single-cell LI-ION AND Li-polymer batteries used in a wide range of portable applications. The charge parameters can be programmed through an I2C interface. The IC integrates a synchronous PWM controller, power MOSFETs, input current sensing, high-accuracy current AND voltage regulation, AND charge termination, into a small WCSP package.

Features
• Power Up System WITHout Battery
• Charge Faster than Linear CHARGERs
• High-Accuracy Voltage AND Current Regulation
   – Input Current Regulation Accuracy: ±5% (100
      mA AND 500 mA)
   – Charge Voltage Regulation Accuracy: ±0.5%
      (25°C), ±1% (0°C to 125°C)
   – Charge Current Regulation Accuracy: ±5%
• Input Voltage Based Dynamic Power
   Management (VIN DPM)
• Bad Adaptor Detection AND Rejection
• Safety Limit Register for Maximum Charge
   Voltage AND Current Limiting
• High-Efficiency Mini-USB/AC Battery CHARGER for
   Single-Cell LI-ION AND Li-Polymer Battery Packs
• 20-V Absolute Maximum Input Voltage Rating
• 6.5-V Maximum Operating Input Voltage
• Built-In Input Current Sensing AND Limiting
INTEGRATED Power FETs for Up To 1.55-A Charge
   Rate
• Programmable Charge Parameters through I2C™
   Compatible Interface (up to 3.4 Mbps):
   – Input Current Limit
   – VIN DPM Threshold
   – Fast-Charge/Termination Current
   – Charge Regulation Voltage (3.5 V to 4.44 V)
   – Low Charge Current Mode Enable/Disable
   – Termination Enable/Disable
• Support up to 1.55A Charge Current using 55 mΩ
   Sensing Resistor
• Synchronous Fixed-Frequency PWM Controller
   Operating at 3 MHz WITH 0% to 99.5% Duty Cycle
• Automatic High Impedance Mode for Low Power
   Consumption
• Robust Protection
   – Reverse Leakage Protection Prevents Battery
      Drainage
   – Thermal Regulation AND Protection
   – Input/Output Overvoltage Protection
• Status Output for Charging AND Faults
USB Friendly Boot-Up Sequence
• Automatic Charging
• Boost Mode Operation for USB OTG
   – Input Voltage Range (from Battery): 3.2 V to
      4.5 V
• 2.1 mm x 2 mm 20-Pin WCSP Package

Applications
• Mobile AND Smart Phones
• MP3 Players
• HANDheld Devices

Part Name(s) : FAN5400 FAN5400UCX FAN5401 FAN5401UCX FAN5402 FAN5402UCX FAN5403 FAN5403UCX FAN5404 FAN5404UCX FAN5405 FAN5405UCX Fairchild
Fairchild Semiconductor
Description : USB-Compliant Single-Cell LI-ION Switching CHARGER WITH USB-OTG Boost Regulator View

Description
The FAN5400 family (FAN540X) combines a highly INTEGRATED SWITCH-MODE CHARGER, to minimize single-cell Lithium-ion (LI-ION) charging time from a USB power source, AND a boost regulator to power a USB peripheral from the battery.
The charging parameters AND operating modes are programmable through an I2C Interface that operates up to 3.4Mbps. The CHARGER AND boost regulator circuits switch at 3MHz to minimize the size of external passive components.
The FAN540X provides battery charging in three phases: conditioning, constant current, AND constant voltage.

Features
FULLY INTEGRATED, High-Efficiency CHARGER for Single-Cell LI-ION AND Li-Polymer Battery Packs
■ Faster Charging than Linear
■ Charge Voltage Accuracy:   ±0.5% at 25°C
                                        ±1% from 0 to 125°C
■5% Input Current Regulation Accuracy
■5% Charge Current Regulation Accuracy
■ 20V Absolute Maximum Input Voltage
■ 6V Maximum Input Operating Voltage
■ 1.25A Maximum Charge Rate
■ Programmable through High-Speed I2C Interface (3.4Mb/s) WITH Fast Mode Plus Compatibility
   – Input Current
   – Fast-Charge / Termination Current
   – CHARGER Voltage
   – Termination Enable
■  3MHz Synchronous Buck PWM Controller WITH Wide Duty Cycle Range
■ Small Footprint 1H External Inductor
■ Safety Timer WITH Reset Control
■ 1.8V Regulated Output from VBUS for Auxiliary Circuits
■ Weak Input Sources Accommodated by Reducing Charging Current to Maintain Minimum VBUS Voltage
■ Low Reverse Leakage to Prevent Battery Drain to VBUS
■ 5V, 300mA Boost Mode for USB OTG for 2.5 to 4.5V Battery Input

Applications
■ Cell Phones, Smart Phones, PDAs
■ Tablet, Portable Media Players
■ Gaming Device, Digital Cameras

 

Part Name(s) : RT9503A RT9503AGQW RT9503APQW Richtek
Richtek Technology
Description : FULLY INTEGRATED Linear Single Cell LI-ION Battery CHARGER WITH Power Path View

General Description
The RT9503A is a FULLY INTEGRATED low cost single-cell LiIon battery CHARGER IC ideal for portable applications. The RT9503A is capable of being powered up via the AC adapter AND USB (Universal Serial Bus) port inputs. The RT9503A can automatically detect AND select the AC adapter AND the USB port as the power source for the CHARGER. The RT9503A enters sleep mode when both supplies are removed.

Features
Automatic Input Supplies Selection
18V Maximum Rating for AC Adapter
INTEGRATED Selectable 100mA AND 500mA USB Charge Current
Internal INTEGRATED Power MOSFETs
AC Adapter Power Good Status Indicator
Charge Status Indicator
External Capacitor Programmable Safety Timer
Under Voltage Protection
Over Voltage Protection
Automatic Recharge Feature
Battery Temperature Monitoring
Small 16-Lead WQFN Package
Thermal Feedback Optimizing Charge Rate
Power Path Controller
RoHS Compliant AND Halogen Free

Applications
Digital Cameras
Cellular Phones
PDAs , Smart Phones AND MP3 Players
Portable Instruments

Part Name(s) : RT9503 RT9503GQW RT9503PQW Richtek
Richtek Technology
Description : FULLY INTEGRATED Linear Single Cell LI-ION Battery CHARGER WITH Power Path View

General Description
The RT9503 is a FULLY INTEGRATED low cost single-cell LiIon battery CHARGER IC ideal for portable applications. The
RT9503 is capable of being powered up from AC adapter AND the USB (Universal Serial Bus) port inputs. The
RT9503 can automatically detect AND select the AC adapter AND the USB port as the power source for the
CHARGER. The RT9503 enters sleep mode when both supplies are removed.

Features
Automatic Input Supplies Selection
18V Maximum Rating for AC Adapter
INTEGRATED Selectable 100mA AND 500mA USB Charge Current
Internal INTEGRATED Power FETs AC Adapter Power Good Status Indicator
Charge Status Indicator
External Capacitor Programmable Safety Timer
Under Voltage Protection
Over Voltage Protection
Automatic Recharge Feature
Battery Temperature Monitoring
Small 16-Lead WQFN Package
Thermal Feedback Optimizing Charge Rate
Power Path Controller
RoHS Compliant AND 100% Lead (Pb)-Free

Applications
Digital Cameras
Cellular Phones
PDAs AND Smart Phones AND MP3
Portable Instruments

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