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Part Name(s) : M62253FP Mitsubishi
MITSUBISHI ELECTRIC
Description : LITHIUM ION Battery Charger CONTROL IC View

GENERAL DESCRIPTION
The M62253FP is a charge controller designed for charging lithium ion batteries.
The IC has a current and voltage control circuit allowing the constant current/voltage charging to lithium ion batteries. A Charger system for lithium ion batteries can be easily designed by utilizing the IC`s following functions ;
    • charge disabling function for an over discharged Battery
    • charge control function by detecting the Battery temperature

FEATURES
• Constant current and voltage charging
• Charge disabling functions for an over discharged Battery and a high/low temperature Battery
• Recharging function
• 2 LED driving circuits to Indicate charging conditions
• Delay circuit to prevent chattering

APPLICATION
    Lithium ion Battery Charger for digital equipment

Part Name(s) : RT9501ACF RT9501BCF Richtek
Richtek Technology
Description : (RT9501A/B) Advanced Lithium-Ion Linear Battery Charger View

General Description
The RT9501 is a single Lithium-Ion or Lithium-Polymer cell linear Battery Charger which is designed for compact and cost-sensitive handheld devices. It combines charge status indication, charge termination, Battery temperature monitoring, and high accuracy current and voltage regulation in a MSOP-8 package.

Features
For Single Lithium-Ion or Lithium-Polymer Cell Battery Pack (4.1V or 4.2V)
A Few External Components are Required
Precharge, Constant Current, Constant Voltage Modes
Battery Temperature Monitor
Charge Status Indication
Automatic Battery Recharge
Charge Termination Detect
Auto Low Power Sleep Mode when VDD Power is Removed
MSOP-8 Package

Applications
Digital Cameras
PDAs
Cellular Phones
Information Appliance

Part Name(s) : RT9501A RT9501AGF RT9501APF RT9501B RT9501BGF RT9501BPF Richtek
Richtek Technology
Description : Advanced Lithium-Ion Linear Battery Charger View

General Description
The RT9501 is a single Lithium-Ion or Lithium-Polymer cell linear Battery Charger which is designed for compact and cost-sensitive handheld devices. It combines charge status indication, charge termination, Battery temperature monitoring, and high accuracy current and voltage regulation in a MSOP-8 package.

Features
For Single Lithium-Ion or Lithium-Polymer Cell Battery Pack (4.1V or 4.2V)
A Few External Components are Required
Precharge, Constant Current, Constant Voltage Modes
Battery Temperature Monitor
Charge Status Indication
Automatic Battery Recharge
Charge Termination Detect
Auto Low Power Sleep Mode when VDD Power is Removed
MSOP-8 Package
RoHS Compliant and 100% Lead (Pb)-Free

Applications
Digital Cameras
PDAs
Cellular Phones
Information Appliance

Part Name(s) : AAT3688 AAT3688IWP-4.2-T1 AAT
Advanced Analog Technology, Inc.
Description : USB Port Lithium-Ion/Polymer Battery Charger View

General Description
The AAT3688 BatteryManager™ is a highly integrated single cell Lithium-Ion/polymer Battery Charger IC designed to operate with USB port inputs. It requires the minimum number of external components.

Features
• USB Charger
    — Programmable up to 500mA Max
• 4.0V to 5.5V Input Voltage Range
• High Level of Integration With Internal:
    — Charging Device
    — Reverse Blocking Diode
    — Current Sensing
• Automatic Recharge Sequencing
• Charge Reduction Loop for USB Charging
Battery Temperature Monitoring
• Full Battery Charge Auto Turn-Off
• Over-Voltage Protection
• Emergency Thermal Protection
• Power On Reset and Soft Start
• Serial Interface Status Reporting
• 12-Pin 3x3mm TDFN Package

Applications
• Bluetooth™ Headsets
• Cellular Telephones
• Digital Still Cameras
• Hand-Held PCs
• MP3 Players
• Personal Data Assistants (PDAs)
• Other Lithium-Ion/Polymer Battery-Powered Devices


Part Name(s) : AAT3681 AAT3681-1 Analog-Technology
Analog Technology Inc
Description : USB Port or AC Adapter Lithium-Ion/Polymer Battery Charger View

General Description
The AAT3681 BatteryManager is an integrated single cell Lithium-Ion/polymer Battery Charger IC, designed to operate from a DC power source or USB port up to an input voltage of 7.5V. It requires just one external component. The AAT3681 precisely regulates Battery charge voltage and current for 4.2V (4.375V option) Lithium-Ion/polymer Battery cells. When charged from an AC adapter or USB port, the Battery charging current can be set by an external resistor up to 300mA.

Features
• USB or AC Adapter System Power Charger
▪ Programmable from 15mA to 300mA
• 4.0V ~ 7.5V Input Voltage Range
• High Level of Integration with Internal:
▪ Charging Device
▪ Reverse Blocking Diode
• Automatic Current Sensing
• Automatic Recharge Sequencing
• Full Battery Charge Auto Turn Off/Sleep Mode/Charge Termination
• Shutdown Current <1μA
• Automatic Trickle Charge for Battery Pre-Conditioning (AAT3681-1 is No Trickle Charge Option)
• Over-Voltage and Emergency Thermal Protection
• Power On Reset and Soft Start
• LED Status Pin
• 8-Pin 2.0x2.1mm SC70JW Package

Applications
• Bluetooth® Headsets
• DECT Headsets
• Digital Still Cameras
• MP3, Portable Music, and Portable Media Players
• Personal Data Assistants (PDAs)
• Wrist Watches
• Other Lithium-Ion/Polymer Battery-Powered Devices

Part Name(s) : AAT3690 AAT3690IWP-4.2-T1 Analog-Technology
Analog Technology Inc
Description : 1.0A USB Port/Adapter Lithium-Ion/Polymer Battery Charger View

General Description
The AAT3690 BatteryManager is a highly integrated single-cell Lithium-Ion/polymer Battery Charger IC designed to operate with USB port and AC adapter inputs. It requires the minimum number of external components.

Features
• USB/AC Adapter System Power Charger
    — USB: Programmable up to 1.0A
    — Adapter: Programmable up to 1.0A
• 4.0V to 5.5V Input Voltage Range
• Adapter Presence Automatically Disables USB Charging
• High Level of Integration With Internal:
    — Charging Devices
    — Reverse Blocking Diodes
    — Current Sensing
• Automatic Recharge Sequencing
• Digital Thermal Regulation in ADP Charge
• Charge Reduction Loop in USB Charge
Battery Temperature Monitoring
• Full Battery Charge Auto Turn-Off
• Over-Current Protection
• Over-Voltage Protection
• Emergency Thermal Protection
• Power On Reset and Soft Start
• Serial Interface Status Reporting
• 12-Pin 3x3mm TDFN Package

Applications
• Cellular Telephones
• Digital Still Cameras
• Hand-Held PCs
• MP3 Players
• Personal Data Assistants (PDAs)
• Other Lithium-Ion/Polymer Battery-Powered Devices

Part Name(s) : AAT3685 AAT3685IWP-4.2-T1 AAT3685IWP-4.2-1-T1 AAT
Advanced Analog Technology, Inc.
Description : Lithium-Ion/Polymer Battery Charger View

General Description
The AAT3685 BatteryManager™ is a highly integrated single cell Lithium-Ion/polymer Battery Charger IC designed to operate with USB port or line adapter inputs. It requires the minimum number of external components.
The AAT3685 precisely regulates Battery charge voltage and current for 4.2V Lithium-Ion/polymer Battery cells. Regardless of the type of input power source (USB or adapter), the AAT3685 can be programmed for two separate constant current charge levels up to 1A. An optional Charge Reduction Loop is built in to allow users to charge the Battery with available current from the charge supply, while keeping the port voltage regulated.

Features
• Adapter or USB Charger
    — Programmable up to 1A Max
• 4.0V to 5.5V Input Voltage Range
• High Level of Integration With Internal:
    — Charging Device
    — Reverse Blocking Diode
    — Current Sensing
• Automatic Recharge Sequencing
• Charge Reduction Loop
Battery Temperature Monitoring
• Full Battery Charge Auto Turn-Off
• Over-Voltage Protection
• Emergency Thermal Protection
• Power On Reset and Soft Start
• Serial Interface Status Reporting
• 12-Pin 3x3mm TDFN Package

Applications
• Cellular Telephones
• Digital Still Cameras
• Hand-Held PCs
• MP3 Players
• Personal Data Assistants (PDAs)
• Other Lithium-Ion/Polymer Battery-Powered Devices

Part Name(s) : AAT3697 AAT3697IWP-4.2-T1 Analog-Technology
Analog Technology Inc
Description : 2A Lithium-Ion/Polymer Battery Charger View

General Description
The AAT3697 BatteryManager is a highly integrated single-cell Lithium-Ion/polymer Battery Charger IC designed to operate with AC adapter inputs. It requires a minimum number of external components. The AAT3697 precisely regulates Battery charge voltage and current for 4.2V lithiumion/polymer Battery cells. Adapter charge current rates can be programmed up to 2.0A. An active thermal management system regulates the fast charge constant current for all ambient temperature and input vs. output voltage conditions.

Features
• Input Voltage Range: 4.0V to 5.5V
• Up to 2.0A Charging Current
• Adapter Present Indicator (ADPP#)
• High Level of Integration with Internal:
    — Charging Device
    — Reverse Blocking Diode
    — Current Sensing
• Active Thermal Loop Charge Reduction
• Automatic Recharge Sequencing
Battery Temperature Monitoring
• Full Battery Charge Auto Turn-Off / Sleep Mode
• Over-Voltage, Over-Current, and OverTemperature Protection
• Power On Reset and Soft Start
• Serial Interface Status Report
• 12-Pin 3x3mm TDFN Package
• -40°C to +85°C Temperature Range

Applications
• Cellular Telephones
• Digital Still Cameras
• Hand Held PCs
• MP3 Players
• Personal Data Assistants (PDAs)
• Other Lithium-Ion/Polymer Battery-Powered Devices

Part Name(s) : RT9161B RT9161B-41CG RT9161B-41CX RT9161B-42CG RT9161B-42CX RT9161B-43CG RT9161B-43CX RT9161B-4ACG RT9161B-4ACX RT9161B-4BCG RT9161B-4BCX RT9161B-4CCG RT9161B-4CCX Richtek
Richtek Technology
Description : Simple Lithium-Ion Battery Charger View

General Description
The RT9161B is a single-cell Lithium-Ion Battery Charger. It includes an on-chip pass transistor for high precision charging. Featuring with ultrahigh precision (±1%), the RT9161B provides a very effective and low cost solution for charging lithium ion Battery.
Other features of the RT9161B are current limit and thermal shutdown protection. The output voltage of RT9161B is internally set and ranges from 4.10V to 4.35V, in 0.05V steps. The RT9161B comes in the
SOT-89 and SOT-223 packages.

Features
High Accuracy Charge Voltage: ±1%
6 Available Output Voltages
Low 450mV Dropout at 300mA
Wide Input Voltage Range
Thermal Shutdown and Current Limit Protection
SOT-89 and SOT-223
Low Ground Current 110µA

Applications
Li-Ion Battery Charger
Cellular Phones
Palmtop Computers
PDAs
Self Charging Battery Packs

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