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Smart Power-Management Integrated Circuit for Camera Module Application

RT5112A

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The RT5112A device is a smart power management IC which includes two low-quiescent-current HCOT Buck converters and four high PSRR low dropout regulators (LDO). One can control the channel power sequence, output voltage level and DVS slew rate by setting registers via I2C interface. The output voltage OVP/UVP, OCP and OTP protection are built in the RT5112A. The RT5112A is available in a WL-CSP-25B 2.2x2.3 (BSC) package.

Applications

  • Camera Module
  • Optical Module
  • SSD
Key Spec.
RT5112A
Status Active
Vin (min) (V) 2.5
Vin (max) (V) 5.5
Number of Channels 6
Number of Buck Converters 2
Number of Boost Converters 0
Number of Negative Outputs 0
Number of LED Drivers 0
Number of LDO Regulators 4
Application SSD
Features ACOT Control;Adjustable Current Limit;Cycle-by-Cycle Current Limit;Enable Input;High PSRR;Internal Compensation;Low Dropout;OCP;OVP;SCP;UVP;Ultrasonic Mode Control
Package Type WL-CSP2.2x2.3-25(BSC)
Features
    System Control
  • Hardware Enable Pin
  • I2C Controlled Interface
  • Programmable Channel Power Sequence
  • IRQ Output for Indication
  • Over-Voltage Protection
  • Under-Voltage Protection
  • Over-Current Protection
  • Over-Temperature Protection
  • Available in a WL-CSP-25B 2.2x2.3 (BSC) Package


  • Two High Efficiency Buck Converters
  • Wide 2.5V to 5.5V Operating Input Range
  • Programmable Output Voltage from 0.6V to 3.3V by 12.5mV/Step
  • Maximum Continuous Load Current : 1.2A
  • HCOT Control Operation
  • Low Quiescent Current


  • Four Low Dropout Regulators
  • Wide 1.9V to 5.5V Operating Input Range
  • Programmable Output Voltage from 0.6V to 3.775V by 25mV/Step
  • High PSRR : 70dB @ 1kHz, 40dB @ 100kHz with LDO1/LDO2
  • High PSRR : 50dB @ 1kHz, 40dB @ 10kHz with LDO3/LDO4
  • 300mA Low Dropout Voltage Regulators
  • Low Quiescent Current
Datasheet
TitleLast UpdateShareDownload
Smart Power-Management Integrated Circuit for Camera Module Application2019/02/18
Technical Documents
TitleLast UpdateShareDownload
Richtek Selection Guide [Oct., 2020]2020/12/30
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