Products > Integrated Circuits (ICs) > Power Management ICs > RT8092JCWSC
  • RT8092JCWSC
  • RT8092JCWSC 0
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Manufacturer :
Richtek Technology Corporation
Package/Case :
Product Categories :
PMIC - Voltage Regulators - DC DC Switching Regulators
RoHs Status:
Lead free / RoHS Compliant

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RT8092JCWSC Product Details

The RT8092JCWSC is a Peak-Current Mode Pulse-Width-Modulated (PWM) step-down DC/DC converter with I2C control interface. Capable of delivering 4A continuing output current over a wide input voltage range from 2.5V to 5.5V, the RT8092JCWSC is ideally suited for portable electronic devices that are powered from 1-cell Li-ion battery or from other power sources within the range such as cellular phones, PDAs and handy-terminals. Internal synchronous rectifier with low RDS(ON) dramatically reduces conduction loss at PWM mode. No external Schottky barrier diode is required in practical application. The RT8092JCWSC enters low-dropout mode when normal PWM cannot provide regulated output voltage by continuously turning on the upper P-MOSFET. The RT8092JCWSC enters shut-down mode and consumes less than 5μA when the EN pin is pulled low. The switching ripple is easily smoothed-out by small package filtering elements due to a fixed operation frequency of 3MHz. The small WL-CSP-15B 1.2x2 (BSC) and WQFN-14L 3.5x3.5 packages are ideal for small PCB area applications. To increase battery life time, the RT8092JCWSC provides low power mode with IQ < 15μA in standby and light-load applications. The RT8092JCWSC also includes Dynamic Voltage Scaling (DVS) for system low power applications. The I2C interface let the RT8092JCWSC controllable flexibly to select VOUT voltage level, peak current limit level, PWM control mode, and so on. Other features include soft-start, auto discharge, lower internal reference voltage, over-temperature, and over-current protection.


  • 2.5V to 5.5V Input Range
  • Low Operation Quiescent Current► Normal Mode IQ < 60μA► Low Power Mode IQ < 15μA
  • Output range From 0.3V to 5.5V► Bank 0 : 0.3V to 0.7V► Bank 1 : 0.6V to 1.4V► Bank 2 : 1.2V to 2.8V► Bank 3 : 2.4V to 5.5V► The Default Value is 2.8V (VSEL = High) and 1V (VSEL = Low)
  • 4A Continuing Output Current
  • Support DVS in the Same Bank ► VOUT Adjusting Range (max, min) is Settable
  • High Efficiency► 90% at 5V→2.8V with 1.5A Load
  • 3MHz Fixed-Frequency PWM Operation► Auto-PSM/PWM or Force-PWM Selectable
  • Support Remote Ground Sensing for Accurate Output Voltage
  • Dedicated Hardware Pin to Immediately Switch Nominal Output Voltage Setting
  • Output Discharging when Turning Off
  • Over-Current Protection► OC Level Settable
  • Over-Temperature Protection
  • Integrated Soft-Start Function
  • Enabling Control by Enable Pin and I2C Register Setting by Software
  • I2C Interface► I2C Communication Allowed Even in Off-State (EN = L)► Support Fast Mode (400kbps)► Registers Setting Retained in Off-State (EN = L)
  • RoHS Compliant and Halogen Free


  • Cellular Telephones
  • Personal Information Appliances
  • Wireless and DSL Modems
  • MP3 Players
  • Portable Instruments
  • Mobile Phone
  • Tablet, Notebook, Pad

RT8092JCWSC Block Diagram
(Picture: Diagram)

Technical Parameters

Function Step-Down Current Output 4A
Output Configuration Positive Frequency Switching 3MHz
Topology Buck Synchronous Rectifier Yes
Output Type Programmable Operating Temperature -40??C ~ 85??C (TA)
Number of Outputs 1 Mounting Type Surface Mount
Voltage Input (Min) 2.5V Package / Case 15-UFBGA, WLCSP
Voltage Input (Max) 5.5V Supplier Device Package 15-WLCSP (1.2x2)
Voltage Output (Min/Fixed) 1.2V, 1.8V

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Richtek is an international analog IC design company specializing in providing customers with diverse and competitive products and complete power management solutions. Since its establishment, Rich...

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