The CXCH76027 is a complete standalone linear Li-Ion battery charger with a complete pre-charge, constantcurrent and constant-voltage charge loop. No external power MOSFET, sense resistor and blocking diode is required due to internal power MOSFET architecture. The charge voltage is regulated at 4.2V, and the charge current is programmable by an external resistor up to 2A. After the final regulation voltage is reached and the charge current drops to the programmed end-of-charge current, the open drain NMOS STATUS pin would be turn off automatically and the charge loop would be terminated after timeout. Other features include under voltage lockout, automatic recharge, an NTC thermistor interface for charging the battery in a safe range, over temperature protection and two charge status indication pins
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[ CXCH76027 ]"
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产品概述 返回TOP
The CXCH76027 is a complete standalone linear Li-Ion battery charger with a complete pre-charge, constantcurrent and constant-voltage charge loop. No external power MOSFET, sense resistor and blocking diode is required due to internal power MOSFET architecture. The charge voltage is regulated at 4.2V, and the charge current is programmable by an external resistor up to 2A. After the final regulation voltage is reached and the charge current drops to the programmed end-of-charge current, the open drain NMOS STATUS pin would be turn off automatically and the charge loop would be terminated after timeout. Other features include under voltage lockout, automatic recharge, an NTC thermistor interface for charging the battery in a safe range, over temperature protection and two charge status indication pins.
产品特点 返回TOP
„ No External Power MOSFET, Sense Resistor or Blocking Diode Required
„ 1% Regulation Voltage Accuracy
„ Charge Single Cell Li-ion Battery from AC Adapter or USB Port
„ Programmable Constant Charge Current Limit up to 2A
„ Automatic Recharge
„ Complete Pre-Charge, Constant Current, Constant Voltage and Charge Termination Charge Procedure
„ NTC Thermistor Interface for Battery Temperature Detection
„ Internal input Overvoltage Lockout Protection Circuit (VIN >6.5V)
„ Support for 5V Power Supply Voltage
„ Internal Thermal Protection Circuit
„ TDFN3X3-10, TQFN3X3-16 and TQFN4X4-16 Package Available
应用范围 返回TOP
„ MP3 Players
„ Cellular Phones
„ PDAs
„ Hand-Held Devices
技术规格书（产品PDF) 返回TOP
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产品封装图 返回TOP
电路原理图 返回TOP
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Part NO. |
Vin(V) min. |
Vin(V) max. |
Description |
Note |
Package |
|
4.25 |
6.5 |
Single Cell Li-IonBattery Linear Charger |
Programmable charging current up to1A,OTP, Automatic Re-charge,Pre-charge 1/10th,UVLO |
SO23-5 5SOP-8(FD) |
|
|
4.25 |
6.5 |
Single Cell Li-Ion Battery Linear Charger |
Programmable charging current up to1A,OTP,Automatic Re-charge, Pre-charge 1/10th,CC,CV,Input OVP,UVLO, Indicator, End of charge current threshold |
TSO23-5 SOP8(FD) |
|
|
4.25 |
6.5 |
Single Cell Li-Ion Battery Linear Charger |
Programmable charging current up to 800mA,OTP, Automatic Re-charge, Pre-charge 1/10th,CC,CV,Input OVP,UVLO,Indicator,End of charge current threshold |
TSOT23-5 |
|
|
-- |
8 |
Single Cell Li-Ion Battery Linear Charger |
Programmable charging current up to 2A,OTP,UVLO, Automatic Re-charge,Pre-charge 1/10th,CC,CV,Input OVP,Indicator, End of charge timer,NTC Interface |
TDFN3X3-10 TQFN4X4-16 TDFN3X3-16 |
|
|
4.35 |
6.5 |
Single Cell Li-ion Battery Linear Charger Dual Input of USB and AC adapter |
Programmable charging current up to1A,UVLO,Pre-charge 1/10th,CC,CV,ChargeTermination,Automatic Re-charge,STAT 1,STAT2,Temperature sensor Input,Charge with safety timer |
TDFN3X3-10 |
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