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Power Distribution Box Title (MT)

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Power Distribution Box with E-Fuse

Power Distribution Box Intro (MM)

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Renesas provides an efficient power distribution network solution based on Intelligent Power Device (IPD) technologies. The intelligent protection and diagnostic functions of the IPDs increase the safety level over mechanical relays. This solution optimizes wiring harnesses and improve reliability by adding current monitoring capabilities.

Benefits

  • Reduce the size and weight of a fuse box by integrating 10 output channels on a compact sized board, aligning to the smart e-fuse concept.
  • E-fuses offer maintenance-free load and wire protection that can be configured and adapted to a variety of cables. Significant higher accuracy of the e-fuses reduces the weight of the wire harness.
  • The software-based e-fuse is activated from the current-sense feedback of the IPD to the MCU. The MCU is programmed with an I2t algorithm to implement the fuse function.
  • A safe parking mode* can be emulated by switching on the IPD and setting the MCU into a low power mode.

Power Distribution Box main content (LC)

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Recommended products

Products Description
MCU  
RH850/F1L 32-Bit Dual-Core, High-End In-Vehicle Microcomputers for Body Applications
RL78/F12 16-bit MCU with Ultra-Low Power and Built-in LIN (20 - 64 Pins, 16 - 58 GPIOs)
RL78/F13 16-bit MCU with Ultra-Low Power and Built-in CAN/LIN (20 - 80 Pins, 13 - 68 GPIOs)
RL78/F14 16-bit MCU with Ultra-Low Power and Built-in CAN/LIN (30 - 100 Pins, 23 - 86 GPIOs)
RL78/F15 16-bit MCU with Ultra-Low Power and Built-in CAN/LIN (48 - 144 Pins, 38 - 130 GPIOs)
Intelligent Power Device (IPD)  
RAJ2800024 Automotive Nch Intelligent Power Device, High-Side Switch, 1.6mOhm, TO-263-7 Package
RAJ2800034 Automotive Nch Intelligent Power Device, High-Side Switch, 2.5mOhm, TO-263-7 Package
UPD166033T1U Intelligent Power Device (6mΩ, 10A)
UPD166027T1J Intelligent Power Device (35mΩ, 3A, dual Ch)
LDO  
ISL78301 40V, 150mA Linear Regulator for Automotive Applications
Buck Controller  
ISL78206 40V 2.5A Buck Controller with Integrated High-Side MOSFET

 

Block diagram

Power Distribution Box with E-Fuse - block diagram
 

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