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< 1A : 10% \(VBUS,= 9V/12V\),Junction Temperature Monitor : 3C,Thermal Shutdown : 160C)/Subject(The RT9465 is a switch-mode single cell li-Ion/Li-Polymer battery charger for ,portable applications. It integrates a synchronous PWM controller, and high ,accuracy voltage regulation. Besides, the charging current is regulated through ,the integrated sensing resistors.The RT9465 optimizes the charging task by ,using a control algorithm to vary the charge rate via different modes, ,including fast charge mode, and constant voltage mode. The key charge ,parameters are programmable via the I2C interface. The junction temperature is ,monitored by I2C. ,,Other features include under-voltage protection, over- voltage protection ,\(including VBAT and VBUS side\), thermal regulation and reverse leakage ,protection and MIVR.,,The RT9465 is available in a WQFN-16L 3x3 Package.,,)>>
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Cellular Telephones
Cellular Telephones
Personal Information Appliances
Tablet PC
Power Bank
Portable Instruments
Input Voltage Range : 3.9V to 14V
Input Voltage Range : 3.9V to 14V
Synchronous 1.5MHz/0.75MHz Switching Frequency 95% Max. Duty
Up to 92%/94% Peak Efficiency at VIN = 9V/5V
VIN Over-Voltage Protection : 14.5V
VIN Under-Voltage Protection : 3.8V
VIN Under-Voltage-Lock-Out : 3.3V
Fault Detection (VIN and VBAT Monitoring)
INT Output for Communication with I2C
Programmable Minimum Input Voltage Range : 3.9V to 13.4V (0.1V/Step)
Programmable Battery Voltage Regulation Range : 3.8V to 5.06V (0.02V/Step)
Programmable End of Charge Range : 0.6A to 1.6A (0.1A/Step)
Programmable Average Output Current Regulation Range : 0.6A to 3A
(0.1A/Step)
Junction Temperature Monitor : 60°C to 116°C (4°C/Step)
VIN Minimum Input Voltage Regulation (MIVR) : ±3%
Battery CV (Constant Voltage) Regulation : ±1%
Output CC (Constant Current) Regulation
Output Current < 1A : ±100mA
(VBUS = 9V/12V)
Output CC (Constant Current) Regulation
Output Current > 1A : ±10% (VBUS
= 9V/12V)
Junction Temperature Monitor : ±3°C
Thermal Shutdown : 160°C
3A Single Cell Li-on Battery Slave Switching Charger
The RT9465 is a switch-mode single cell li-Ion/Li-Polymer battery charger for ,portable applications. It integrates a synchronous PWM controller, and high ,accuracy voltage regulation. Besides, the charging current is regulated through ,the integrated sensing resistors.The RT9465 optimizes the charging task by ,using a control algorithm to vary the charge rate via different modes, ,including fast charge mode, and constant voltage mode. The key charge ,parameters are programmable via the I2C interface. The junction temperature is ,monitored by I2C. ,,Other features include under-voltage protection, over- voltage protection ,(including VBAT and VBUS side), thermal regulation and reverse leakage ,protection and MIVR.,,The RT9465 is available in a WQFN-16L 3x3 Package.,,
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