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RT9460WSC - 

Battery Charger, 1 Cell Li-Ion, Li-Pol Battery, 12 V input, 4.62 V / 3.125 A charge, WLCSP-25

RT9460WSC - Battery Charger,  1 Cell Li-Ion, Li-Pol Battery, 12 V input, 4.62 V / 3.125 A charge, WLCSP-25

Image is for illustrative purposes only. Please refer to product description.

Manufacturer:
RICHTEK RICHTEK
Manufacturer Part No:
RT9460WSC
Order Code:
2729823
Technical Datasheet:
RT9460WSC   Datasheet
See all Technical Docs

Product Overview

The RT9460WSC from Richtek is a switch mode single cell Li-Ion charger with USB-OTG in 32 lead WQFN package. This switch mode single cell Li-Ion/Li-Polymer battery charger integrates synchronous PWM controller, power MOSFETs, input current sensing and regulation, high accuracy voltage regulation and charge termination circuits. Besides, the charging current is regulated through integrated sensing resistors. The RT9460 also features USB On-The-Go (OTG) support. The RT9460 optimizes charging task by using a control algorithm to vary charge rate via different modes including pre-charge mode, fast charge mode and constant voltage mode. The key charge parameters are programmable via I2C interface. The RT9460 resumes charge cycle whenever battery voltage falls below an internal recharge threshold and automatically enters sleep mode when input power supply is removed. Other features include undervoltage protection, overvoltage protection, thermal regulation and reverse leakage protection.
  • 3.5V to 4.62V battery voltage regulation, 1.25A to 3.125A output charging current
  • Average input current regulation (AICR) of 0.1/0.15/0.5/ to 3A per 0.1A
  • 4V/4.25V/4.5V/4.75V (5V), 7/7.5V/8V/8.5V (9V), 9.5/10V/10.5V/11V (12) input voltage regulation (min)
  • ±5% charge current regulation accuracy, ±1% charge voltage regulation accuracy ( 0 to 85°C)
  • Integrated power MOSFET for up to 3.125A charge rate, high accuracy voltage/current regulation
  • Support USB charging detection, battery temperature sensing
  • Synchronous 0.75/1.5MHz fixed frequency PWM controller with up to 95% duty cycle
  • Reverse leakage protection to prevent battery drainage
  • 4.3V to 12V supply input voltage, -40°C to 85°C ambient temperature range
  • Automatic charging & IRQ output for communication with I2C

Applications

Power Management, Portable Devices, Consumer Electronics

Warnings

Device is ESD sensitive. Handling precautions are recommended.

Product Information

:
Li-Ion, Li-Pol
:
12V
:
4.62V
:
3.125A
:
WLCSP
:
25Pins
:
1
:
-40°C
:
85°C
:
-
:
MSL 3 - 168 hours
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498 In stock

250 available for 3 - 5 business days delivery
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More stock available week commencing 21/10/19

Rs.256.96

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