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INTRODUCTION
The SMB138 is a PROGRAMMABLE single-cell LIthium-ion/LIthium-polymer BATTERY CHARGER designed for a variety of portable appLIcations. The device provides a simple AND efficient way to charge high-capacity LIIon batteries via a USB or AC adapter INPUT. UnLIke conventional devices, the SMB138’s high-efficiency, SWITCH-MODE operation eLIminates the thermal problems of conventional LInear solutions. Also the buck converter architecture effectively multipLIes the INPUT current to increase charge rate for the LI+ cell AND uses current LImited suppLIes LIke USB more efficiently. The SMB138 also supports USB On-the-Go devices by providing the required USB-OTG +5V power supply using the LI-Ion BATTERY as a source.

FEATURES & APPLICATIONS
• USB or AC INPUT WITH PROGRAMMABLE INPUT current LImiting
• Up to 1.25A continuous charging current from AC adapter
• Up to 750mA charging current from 500mA USB port using automatic TURBOCHARGE™ mode
• +4.35 to +6.2V INPUT voltage range (+16V tolerant)
• Two product options:
   o SMB138A: CHARGER off until I2C commAND initiation, enable/disable control via I2C
   o SMB138C: CHARGER powers up in charging mode, enable/disable control via I2C
• USB “On-the-Go” Power support for USB OTG enabled devices (+5V reverse output @ 200mA)
• Reverse current blocking (<5uA)
• High-efficiency 3MHz voltage-mode step-down regulator
• Integrated frequency compensation
• Internal power MOSFETs AND precision current sensing
• High-accuracy float voltage regulation: 1%
• Thermal regulation (current foldback)
• Trickle charging
• Pre-charge AND complete-charge (36/240min) safety timers
• Digital programming of all major parameters via I2C interface
   o Fast charge voltage threshold, float voltage
   o Pre-charge, fast charge, termination current
• Status register monitors AND flags CHARGER operation
   o Charge in-progress/termination
   o Charge timer fault
   o OC/UV/OV detection/shutdown
• uCSP-19 lead-free package (0.4mm ball pitch)

AppLIcations
• 2.5/3/3G+ GSM/CDMA/WCDMA Phones
• Smartphones/PDAs
• Portable Media Players
• Portable GPS Terminals

INTRODUCTION
The SMB137B is a PROGRAMMABLE single-cell LIthium-ion/LIthium polymer BATTERY CHARGER designed for a variety of portable appLIcations. The device provides a simple AND efficient way to charge high-capacity LI-Ion batteries via a USB or AC adapter INPUT. UnLIke conventional charging devices, the SMB137B’s high-efficiency SWITCH-MODE operation eLIminates the low charge current AND thermal problems of conventional LInear solutions. In addition, the switching architecture in conjunction WITH programmabiLIty enables dramatically faster charging– TURBOCHARGE™ mode - from current LImited in puts such as USB.

FEATURES & APPLICATIONS
• Automatic INPUT Current LImit for universal USB/AC/DC adapter compatibiLIty*
• Optional automatic power source detection per latest USB charging specification 1.0
• USB or AC INPUT WITH automatic INPUT selection AND PROGRAMMABLE INPUT current LImiting (USB2.0 compLIant)
• Up to 750mA charging output from 500mA USB port or 1500mA from AC adapter using proprietary “TURBOCHARGETM Mode”
• INPUT/output CurrentPath™ control allows system operation WITH deeply discharged/missing BATTERY – no start-up delay
• “Low BATTERY Recovery” mode for >500mA startup from 100mA USB port WITH deeply discharged cells – no start-up delay
• USB On-the-Go (OTG) power support (up to 500mA @ +5V)
• Reverse current blocking prevents BATTERY discharge
• High-efficiency step-down regulator WITH 3MHz switching
• +4.35 to +6.0V INPUT voltage range
• +18V INPUT tolerance (non-operating)
• High-accuracy float voltage regulation: 1.0%
• Digital programming of all major parameters via I2C interface
o Pre-charge voltage, float voltage
o INPUT/pre-charge/fast charge/term. current
o BATTERY temperature LImits, safety timers
• Comprehensive protection features
o Status/fault indicator
o BATTERY/IC thermal protection
o Short circuit/UV/OV protection
o Charge termination safety timers
o Software watchdog timers
• Tiny CSP-30 package

INTRODUCTION
The SMB137C is a PROGRAMMABLE single-cell LIthiumion/LIthium-polymer BATTERY CHARGER designed for a variety of portable appLIcations. UnLIke conventional charging devices, the SMB137C’s high-efficiency SWITCH-MODE operation eLIminates the low charge current AND thermal problems of conventional LInear solutions. In addition, the switching architecture in conjunction WITH programmabiLIty enables dramatically faster charging – TURBOCHARGE™ mode - from current LImited INPUTs such as USB.

FEATURES
• Automatic INPUT Current LImit for universal USB/AC/DC adapter compatibiLIty*
• Optional automatic power source detection per latest USB charging specification 1.2
• USB or AC INPUT WITH automatic INPUT selection AND PROGRAMMABLE INPUT current LImiting (USB2.0 compLIant)
• Up to 750mA charging output from 500mA USB port or 1500mA from AC adapter using proprietary “TURBOCHARGETM Mode”
• INPUT/output CurrentPath™ control allows system operation WITH deeply discharged/missing BATTERY – no start-up delay
• “Low BATTERY Recovery” mode for >500mA startup from 100mA USB port WITH deeply discharged cells – no start-up delay*
• USB OTG, HDMI, MHL power support (up to 500mA @ +5V)
• Hardware PROGRAMMABLE support for JEITA
• High-efficiency step-down regulator WITH 3MHz switching
• +4.35 to +6.0V INPUT voltage range
• +18V INPUT tolerance (non-operating)
• High-accuracy float voltage regulation: 1.0%
• Digital programming of major parameters via I2C interface*
• Comprehensive protection features
• Tiny CSP-30 package

APPLICATIONS
• Smartphones
• Tablet PCs
• Portable Media Players
• Perfect Companion for MSM Chipsets

INTRODUCTION
The SMB136 is a PROGRAMMABLE single-cell LIthium-ion/LIthium-polymer BATTERY CHARGER designed for a variety of portable appLIcations. The device provides a simple AND efficient way to charge high-capacity LIIon batteries via a USB or AC power source. UnLIke conventional charging devices, the SMB136’s high-efficiency SWITCH-MODE operation eLIminates the low charge current AND thermal problems of conventional LInear solutions. Also the switching architecture in conjunction WITH programmabiLIty enables dramatically faster charging – TURBOCHARGE™ mode - from current LImited in puts such as USB.

FEATURES & APPLICATIONS
• Automatic INPUT Current LImit for universal USB/AC/DC adapter compatibiLIty*
• Optional automatic power source detection per latest USB charging specification 1.0
• USB INPUT WITH PROGRAMMABLE INPUT current LImiting (USB2.0 compLIant)
• Up to 750mA charging output from 500mA USB port or 1500mA from AC adapter using proprietary “TURBOCHARGETM Mode”
• INPUT/output CurrentPath™ control allows system operation WITH deeply discharged/missing BATTERY – no start-up delay
• “Low BATTERY Recovery” mode for >500mA startup from 100mA USB port WITH deeply discharged cells – no start-up delay
• USB On-the-Go (OTG) power support (up to 500mA @ +5V)
• Reverse current blocking prevents BATTERY discharge
• High-efficiency step-down regulator WITH 3MHz switching
• +4.35 to +6.2V INPUT voltage range
• +18V INPUT tolerance (non-operating)
• High-accuracy float voltage regulation: 1.0%
• Digital programming of all major parameters via I2C interface
o Pre-charge voltage, float voltage
o INPUT/pre-charge/fast charge/term. current
o BATTERY temperature LImits, safety timers
• Comprehensive protection features
o Status/fault indicator
o BATTERY/IC thermal protection
o Short circuit/UV/OV protection
o Charge termination safety timers
o Software watchdog timers
• Tiny CSP-30 package

AppLIcations
• Portable Media Players
• Smartphones/PDA’s
• Digital camcorders/still cameras
• HANDheld GPS

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

Description
The bq24618 device is highly integrated LI-ion or LI-polymer switched-mode BATTERY-charge controller. The bq24618 offers a constant-frequency synchronous switching PWM controller WITH high-accuracy charge current AND voltage regulation, charge preconditioning, termination, adapter current regulation AND charge status monitoring.
The bq24618 operates from either a USB port or AC adapter AND supports charge currents up to 10 A. The device charges the BATTERY in three phases: preconditioning, constant current, AND constant voltage. Charge is terminated when the current reaches a minimum user-selectable level. A PROGRAMMABLE charge timer provides a safety backup for charge termination. The bq24618 automatically restarts the charge cycle if the BATTERY voltage falls below an internal threshold, AND enters a low quiescent current sleep mode when the INPUT voltage falls below the BATTERY voltage.

Features
• USB-Friendly 4.7-V to 28-V INPUT Operating
   Range
• StAND-Alone Charge Controller to Support 1 to 6
   LI-Ion or LI-Polymer BATTERY Cells
• Up to 10-A Charge Current AND Adapter Current
• 600-kHz NMOS-NMOS Synchronous Buck
   Converter
• High-Accuracy Voltage AND Current Regulation
   – ±0.5% Charge Voltage Accuracy
   – ±3% Charge Current Accuracy
   – ±3% Adapter Current Accuracy
• Integration
   – Automatic System Power Selection From
      Adapter or BATTERY
   – Internal Loop Compensation
   – Internal Soft Start
   – Dynamic Power Management
• Safety Protection
   – INPUT Overvoltage Protection
   – BATTERY Thermistor Sense Hot/Cold Charge
      Suspend
   – BATTERY Detection
   – Reverse-Protection INPUT FET
   – PROGRAMMABLE Safety Timer
   – Charge Overcurrent Protection
   – BATTERY Short Protection
   – BATTERY Overvoltage Protection
   – Thermal Shutdown
• Status Outputs
   – Adapter Present
   – CHARGER Operation Status
• Charge Enable Pin
• 6-V Gate Drive for Synchronous Buck Converter
• 30-ns Driver Dead-Time AND 99.5% Maximum
   Effective Duty Cycle
• Energy Star Low Quiescent Current Iq
   – < 15-µA Off-State BATTERY Discharge Current
   – < 1.5-mA Off-State INPUT Quiescent Current

AppLIcations
• Tablet PCs
• Smart Phones
• Portable Media Players, Navigation Devices,
   Notebooks AND Ultra-Mobile PCs
• Personal Digital Assistants
• HANDheld Terminals
• Industrial AND Medical Equipment

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

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

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