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Part Name(s) : TS2208B
TSC Corporation
TSC Corporation
Description : Ideal for One-Cell Rechargeable Li-Ion Battery

General Description
The TS2208A/B series are over-charge/discharge protection ICs for Rechargeable One-Cell Lithium-ion batteries. They bear an over-charge/over-discharge threshold for the Battery cell voltage during charging/discharging process, and also provide on-time protection when excess current or short circuit occurs.

Features
✧ Low current consumption
   Supply current 3uA (typ) and standby current 0.1uA
✧ High withstand voltage up to 22V (VDD ~ V-)
✧ High accuracy voltage detection
✧ Over charge detector
✧ Over discharge detector
✧ Over current and short circuit protection
✧ Small package of SOT-26

Applications
✧ Over-charge and over-discharge protection for Li-Ion
   cell pack
✧ High precision protectors for cell-phones and other
   gadget using on board Li-Ion cell Battery

Part Name(s) : TS2207A
TSC Corporation
TSC Corporation
Description : Ideal for One-Cell Rechargeable Li-Ion Battery

General Description
The TS2207A/B series are protection ICs design to safe guard One-Cell Lithium-ion Battery pack against over charge/discharge, over current and short circuit. The TS2207A/B series use advanced high voltage CMOS process to provide high accuracy voltage detection and low current consumption.

Features
✧ Low current consumption
   Supply current 3uA (typ) and standby current 0.6uA
✧ High withstand voltage up to 22V (VDD ~ V-)
✧ High accuracy voltage detection
✧ Over charge detector: ± 50mV
✧ Over discharge detector: ± 3.2%
✧ Over current and short circuit protection
✧ Small package of SOT-26

Applications
✧ Over-charge and over-discharge protection for Li-Ion
   cell pack
✧ High precision protectors for cell-phones and other
   gadget using on board Li-Ion cell Battery

Part Name(s) : SC451
Silan Microelectronics
Silan Microelectronics
Description : Li-Ion Battery PROTECTOR

DESCRIPTION
The SC451XX series are protection ICs for over-charge /discharge of Rechargeable One-Cell Lithium-ion (Li+) batteries by CMOS process.
The SC451XX series can detect over-charge/discharge of Li+ One-Cell and excess load current, further include a short circuit protector for preventing large external short circuit current.

FEATURES
* Low supply current.
* High withstand voltage.
* High accuracy detector threshold.
* Variety of detector threshold.
* Built-in protection circuit.
* Output delay of over-charge.
* Ultra small package: SOT-26

APPLICATIONS
* Over-charge/over-discharge protection for Li+
   One-Cell pack
* High precision protectors for cell-phones and any
   other gadgets using on board Li+ One-Cell
   Battery.

Part Name(s) : SC451XX
Unspecified
Unspecified
Description : Li-Ion Battery PROTECTOR

[Silan]

DESCRIPTION
The SC451XX series are protection ICs for over-charge /discharge of Rechargeable One-Cell Lithium-ion (Li+) batteries by CMOS process.
The SC451XX series can detect over-charge/discharge of Li+ One-Cell and excess load current, further include a short circuit protector for preventing large external short circuit current.

FEATURES
* Low supply current.
* High withstand voltage.
* High accuracy detector threshold.
* Variety of detector threshold.
* Built-in protection circuit.
* Output delay of over-charge.
* Ultra small package: SOT-26

APPLICATIONS
* Over-charge/over-discharge protection for Li+
   One-Cell pack
* High precision protectors for cell-phones and any
   other gadgets using on board Li+ One-Cell
   Battery.

Part Name(s) : S-8232AAFT-T2-G
Seiko Instruments Inc
Seiko Instruments Inc
Description : Battery PROTECTION IC for 2-SERIAL-CELL PACK

 The 8232 series is a lithium-ion / lithium-polymer Rechargeable Battery protection IC incorporating high accuracy voltage detection circuit and delay circuit. The S-8232 series is suitable for 2-cell serial lithium-ion / lithium-polymer Battery packs.

Application
• Lithium-ion Rechargeable Battery packs
• Lithium- polymer Rechargeable Battery packs

Part Name(s) : RT9541
Richtek Technology
Richtek Technology
Description : Li-Ion Battery Protector

General Description
The RT9541 Series are protection ICs for overcharge/discharge of Rechargeable One-Cell Lithium-ion (Li+) batteries by CMOS process.

Features
• Low supply current
    − Supply current: TYP. 2.0µA
    − Standby current (after detecting overdischarge): Less than 0.2µA
• High accuracy detector threshold
    − Over-charge detector: ±25mV
    − Over-discharge detector: ±2.5%
• Built-in protection circuit
    − Excess current trip/Short circuit protector in both charging and discharging direction
• Output delay of over-charge adjustable with an external capacitor: 75mS at 0.01µF
• Ultra small package: SOT26

Applications
• Over-charge / Over-discharge Protection for Li+ One-Cell Pack
• High Precision Protectors for Cellular Phones or Instruments Using Li+ One-Cell Battery

Part Name(s) : LT1571
Linear Technology
Linear Technology
Description : Constant-Current/Constant-Voltage Battery Charger with Preset Voltage and Termination Flag

DESCRIPTION
The LT ®1571 PWM Battery charger is a simple, efficient solution to fast-charge Rechargeable batteries including lithium-ion (Li-Ion), nickel-metal-hydride (NiMH) and nickel-cadmium (NiCd) using constant-current and/or constant-voltage control. The internal switch is capable of delivering 1.5A DC current (2A peak current). The onboard current sense resistor (0.1Ω) allows simple charge current programming to within 5% accuracy using a low cost external resistor. The constant-voltage output can be selected for 4.1V or 4.2V per cell with 0.6% accuracy.

FEATURES
■ Fast Charging of Li-Ion, NiMH and NiCd Batteries
■ Simple Charge Current Programming Requires Only One Low Cost, 1/32W Resistor
■ High Efficiency Charger with Up to 1.5A Charge Current
■ Precision 0.6% Internal Voltage Reference
■ Preset Battery Voltages: 4.1V, 4.2V, 8.2V, 8.4V
■ 500kHz or 200kHz Switching Frequency Minimizes Charger Size
■ Low Reverse Battery Drain Current: 5µA
■ Flag Indicates Li-Ion Charge Completion
■ 5% Typical Charge Current Accuracy
■ Low Shutdown Current
■ LT1571-5: 500kHz, Fixed 4.1V or 4.2V LT1571-1: 200kHz, Adjustable Voltage LT1571-2: 200kHz, Fixed 8.2V or 8.4V

APPLICATIONS
■ Cellular Phones, PDAs, Notebook Computers, Portable Instruments
■ Cradle Chargers for Li-Ion, NiCd, NiMH and Lead-Acid Rechargeable Batteries

Part Name(s) : RT9543ACE
Richtek Technology
Richtek Technology
Description : Li-Ion Battery Protector

General Description
The RT9543 Series are protection ICs for overcharge/discharge of Rechargeable One-Cell Lithium-ion (Li+) batteries by CMOS process.

Features
• Sustaining to 24V Charger Voltage
• Low supply current
    − Supply current: TYP. 2.0µA
    − Standby current (after detecting overdischarge): Less than 0.2µA
• High accuracy detector threshold
    − Over-charge detector: ±50mV
    − Over-discharge detector: ±2.5%
• Built-in protection circuit
    − Excess current trip/Short circuit protector in discharging path
• Output delay of over-charge adjustable with an external capacitor: 75mS at 0.01µF
• Ultra small package: SOT26

Applications
• Over-charge / Over-discharge Protection for Li+ One-Cell Pack
• High Precision Protectors for Cellular Phones or Instruments Using Li+ One-Cell Battery

Part Name(s) : ISL6293
Intersil
Intersil
Description : Li-ion/Li Polymer Battery Charger Accepting Two Power Sources (Rev - 2004)

Li-ion/Li Polymer Battery Charger Accepting Two Power Sources

The ISL6293 is a fully integrated low-cost single-cell Li-Ion or Li-polymer Battery charger. The charger accepts two power inputs, normally one from a USB (Universal Serial Bus) port and another one from a desktop cradle. The ISL6293 is an Ideal charger for smart handheld devices that need to communicate with a personal computer via USB.

Features
• Complete Charger for Single-Cell Li-Ion/Polymer Batteries
• Accept Two Power Sources
• Low Component Count
• Integrated Pass Element
• Integrated Charge-Current Sensor with 10% Accuracy
• No External Blocking Diode Required
• Charge Current Thermal Foldback for Thermal Protection
• 28V Maximum Voltage for the Cradle Input
• Charge Indication
• Adapter Presence Indication
• Less than 1µA Leakage Current off the Battery when No Input Power Attached
• Ambient Temperature Range: -40°C to 85°C
• Thermally-Enhanced 3x3 DFN Package
• Pb-free Available

Applications
• Smart Handheld Devices
• Cell Phones, PDAs, MP3 Players
• Digital Still Cameras
• Handheld Test Equipment

Part Name(s) : DS2720
Dallas Semiconductor -> Maxim Integrated
Dallas Semiconductor -> Maxim Integrated
Description : Efficient, Addressable Single-Cell Rechargeable Lithium Protection IC

DESCRIPTION
The DS2720 single-cell Rechargeable Li+ protection IC provides electronic safety functions required for Rechargeable Li+ applications including protecting the Battery during charge, protection of the circuit from damage during periods of excess current flow and maximization of Battery life by limiting the level of cell depletion. Protection is facilitated by electronically disconnecting the charge and discharge conduction path with switching devices such as low-cost N-channel power MOSFETs.

FEATURES
Rechargeable Lithium-Ion (Li+) Safety Circuit
    - Overvoltage Protection
    - Overcurrent/Short-Circuit Protection
    - Undervoltage Protection
    - Overtemperature Protection
■ Controls High-Side N-Channel Power MOSFETs Driven from 9V Charge Pump
■ System Power Management and Control Feature Support
■ Eight Bytes of Lockable EEPROM
■ Dallas 1-Wire® Interface with Unique 64-Bit Device Address
■ 8-Pin μSOP Package
■ Low Power Consumption:
    - Active Current: 12.5μA typ
    - Sleep Current: 1.5μA typ

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