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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) : 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) : 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) : AAT3688 AAT3688IWP-4.2-T1 Analog-Technology
Analog Technology Inc
Description : USB Port Lithium-Ion/Polymer Battery Charger View

General Description
The AAT3688 BatteryManager™ is a member of AnalogicTechs Total Power Management IC™ (TPMIC™) product family. This device 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) : LTC1732-8.4 LTC1732EMS-8.4 Linear
Linear Technology
Description : Lithium-Ion Linear Battery Charger Controller View

DESCRIPTION
The LTC®1732-8.4 is a complete constant-current/constant-voltage linear charge Controller for Lithium-Ion (Li-Ion) batteries. Nickel-cadmium (NiCd) and nickel metal hydride (NiMH) batteries can also be charged with constant current using external termination. Charge current can be programmed with ±7% accuracy using external sense and program resistors. An internal resistor divider and precision reference set the final float voltage with ±1% accuracy.

FEATURES
■ Complete Linear Charger Controller for 2-Cell Lithium-Ion Batteries
■ Preset Charge Voltage with ±1% Accuracy
■ Programmable Charge Current
■ C/10 Charge Current Detection Output
■ Programmable Charge Termination Timer
■ Small, Thin 10-Pin MSOP Package
■ Input Supply (Wall Adapter) Detection Output
■ 8.8V to 12V Input Voltage Range
■ Automatic Sleep Mode When Input Supply Is Removed (Only 10µA Battery Drain)
■ Automatic Trickle Charging of Low Voltage Cells
■ Programmable for Constant-Current-Only Mode
Battery Insertion Detect and Automatic Charging of Low-Battery
■ Automatic Battery Recharge

APPLICATIONS
Cellular Phones
■ Handheld Computers
■ Charging Docks and Cradles
■ Digital Cameras and Camcorders

Input Supply Voltage (VCC) ................................... 13.2V
SENSE, DRV, BAT, SEL,TIMER, PROG, CHRG, ACPR ................. –0.3V to 13.2V
Operating Temperature Range (Note 2) .... –40° to 85°C
Storage Temperature Range ................. –65°C to 150°C
Lead Temperature (Soldering, 10 sec).................. 300°C
 

Part Name(s) : AIC1804 AIC1804ACS AIC1804BCS AIC1804CCS AIC1804DCS AIC
Analog Intergrations
Description : Three- Or Four-Cell Lithium-Ion Battery Protection IC View

DESCRIPTION
The AIC1804 is designed to protect the lithiumion Battery from damage or degrading the lifetime due to overcharging, overdischarging and overcurrent for three- or four-Cell Lithium-Ion Battery powered systems such as notebook PCs. It can also provide the Cell-balancing “bleeding” function to automatically discharge the overcharged Cell until the overcharge condition is released.

FEATURES
Cell Number Selection Function to Select 3 or 4 Cells Protection.
● Ultra-Low Quiescent Current at 17mA (4-Cell, V Cell=3.5V).
● Ultra-Low Power-Down Current at 2.2mA (4-Cell, V Cell=2.3V)
● Wide Supply Voltage Range: 2V to 18V.
● Precision Overcharge Protection Voltage:
    4.35V± 30mV for the AIC1804A
    4.30V± 30mV for the AIC1804B
    4.25V± 30mV for the AIC1804C
    4.20V± 30mV for the AIC1804D
● Externally Set Overcharge, Overdischarge and Overcurrent Delay Time.
● Built-in Cell-balancing Bleeding Network under Overcharge Condition.
● Three Detection Levels for Overcurrent Protection.

APPLICATIONS
● Protection IC for Three- or Four-Cell Lithium-Ion Battery Packs.

Part Name(s) : AIC1802 AIC1802ACS AIC1802BCS AIC1802CCS AIC
Analog Intergrations
Description : Two-Cell Lithium-Ion Battery Protection IC View

DESCRIPTION
The AIC1802 Battery protection IC is designed to protect Lithium-Ion batteries from damage due to overcharging, overdischarging, and overcurrent for two series Cells in portable phones and laptop computers. It can be a part of the low-cost charge control system within a twoCell Lithium-Ion Battery pack.

FEATURES
• Ultra-Low Quiescent Current at 10mA (VCC=7V, VC=3.5V).
• Ultra-Low Power-Down Current at 0.2mA (VCC =3.8V, VC=1.9V).
• Wide Supply Range: 2 to 18V.
• Precision Overcharge Protection Voltage 4.35V ± 30mV for the AIC1802A 4.30V ± 30mV for the AIC1802B 4.25V ± 30mV for the AIC1802C
• Built-in Delay Circuits for Overcharge, Overdischarge and Overcurrent Protection.
• Overcharge and Overdischarge Delay Time can be Extended by External Capacitors.
• Built-in Cell-balancing Bleeding Network under Overcharge Condition.

APPLICATIONS
• Protection IC for Two-Cell Lithium-Ion Battery Pack.

Part Name(s) : AIC1811ACV AIC1811BCV AIC1811CCV AIC1811 AIC
Analog Intergrations
Description : One-Cell Lithium-Ion Battery Protection IC View

DESCRIPTION
The AIC1811 Battery protection IC is designed to protect Lithium-Ion Battery from damage or degrading the lifetime due to overcharge, overdischarge, and/or overcurrent for one-Cell Lithium-Ion Battery powered systems, such as Cellular phones. The ultra-small package and less required external components make it ideal to integrate the AIC1811 into the limited space of Battery pack.

FEATURES
● Reduction in Board Size due to Miniature Package SOT-23-5 and Less External Components.
● Ultra-Low Quiescent Current at 7mA (VCC=3.5V).
● Ultra-Low Power-Down Current at 0.4mA (VCC =2.3V).
● Precision Overcharge Protection Voltage
    4.35V ± 50mV for the AIC1811A
    4.30V ± 50mV for the AIC1811B
    4.25V ± 50mV for the AIC1811C
● Built-in Delay Time Circuits for Overcharge, Over-discharge, and Overcurrent Protection.
● Load Detection Function during Overcharge Mode.
● Two Detection Levels for Overcurrent Protection.

APPLICATIONS
● Protection IC for One-Cell Lithium-Ion Battery Pack.

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