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Programmable Power Management IC with Various Protection Functions Optimized for Automotive Applications

Programmable Power Management IC
Programmable Power Management IC

Nisshinbo Micro Devices Inc has introduced the new RN5T5611 power management IC (PMIC) that provides two high-efficiency step-down DC/DC converters, a low-noise regulator, an interrupt controller (INTC), and an I2C-bus interface. Designed for automotive applications, this IC provides various protection functions, and power-supply start and stop sequences can be customized to meet user system. This IC features an input voltage range of 3.0 V to 5.5V and an operating temperature range of –40°C to 125°C.



  • Input Voltage Range (Maximum Ratings): 3.0 V to 5.5V(1) (6.5V)

  • Operating Temperature Range: –40°C to 125°C

  • High Efficiency Step-down DCDC Converters (REG1,2)

  • Low Drop Voltage Regulator (REG3: Low Output Noise)

  • I2C-bus Interface: 1MHz and 400kHz

  • Window Voltage Detector for Internal DCDC (REG1,2)

  • UVLO (Under Voltage Lock Out)

  • Soft-start Circuit

  • Auto-discharge

  • Switching Phase Shift (DCDC)

  • Flexible Setting (Output/Sequence/REG’s Reaction to Errors)

  • Status Monitoring by Built-in Registers

  • Error Output by Interrupt Signal

  • Forced Power Off by HRSTB pin

  • Thermal Shutdown: Tj = 165°C



  • ADAS including Front sensing system, Camera monitoring system, Surround view, etc.

Component Datasheet

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