Among internal combustion engines, diesel engines boast excellent thermal efficiency and can burn fuel that is not highly refined. These engines use a compression ignition system in which intake air is pressurized and fuel is injected into it, causing it to self-ignite. Such systems are not prone to knocking even when supercharging is used, so most diesel engines are used in conjunction with superchargers.

In response to increasingly complex control requirements such as these, Renesas supplies microcontrollers (MCUs) that combine high-performance CPUs and low power consumption for diesel engine ECU systems, as well as an extensive lineup of analog and power devices.

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Diesel Engine System

Related Products

Microcontrollers

MCU Recommended
Product
ROM
(Bytes)
RAM
(Bytes)
Operating
Frequency
(MHz)
Package
(Pin Count)
Features
Main MCU RH850/E2UH 16M 2048K 400 373, 468 G4MH with LSDC, CAN/CAN FD 10ch, Ethernet 1ch, external bus, ICU *2, SENT 20ch, ATU, GTM, A/D (SAR-AD 96ch/4unit, DS-ADC 38ch/10unit, cyclic-AD 8ch/1unit), RHSB 4ch, DFE 20ch, Field-BIST, VMON, temperature sensor
RH850/E2H 12M 1152K 400 373, 468 G4MH with LSDC, CAN/CAN FD 6ch, Ethernet 1ch, external bus, ICU *2, SENT 20ch, ATU, GTM, A/D (SAR-AD 96ch/4unit, DS-ADC 38ch/10unit, cyclic-AD 8ch/1unit), RHSB 3ch, DFE 20ch, Field-BIST, VMON, temperature sensor
RH850/E2M 8M 768K 400 292, 373 G4MH with LSDC, CAN/CAN FD 5ch, Ethernet 1ch, ICU *2, SENT 17ch, ATU, GTM, A/D (SAR-AD 80ch/4unit, DS-ADC 26ch/6unit, cyclic-AD 8ch/1unit), RHSB 2ch, DFE 16ch, Field-BIST, VMON, temperature sensor
RH850/E1M-S2 4M 352K 240, 320 252, 304 G3MH with LSDC, CAN/CAN FD 4ch, ICU *2, SENT 6ch, ATU, A/D (SAR-AD 48ch/2unit, DS-ADC 8ch/8unit), RHSB 2ch, DFE 16ch, VMON
RH850/E1L 2M 192K 160, 240 144, 176, 252 G3M with LSDC, CAN 4ch, ICU *2, ATU, A/D (SAR-AD 36ch/2unit, DS-ADC 2ch/2unit), RHSB 1ch,  DFE 16ch, VMON
Sub MCU RL78/F15 128K - 512K 10K - 32K 24 - 32 48 - 144 16K Data Flash, motor control timer, RS-CAN lite, LIN, 10-bit ADC 31ch, 8-bit DAC, comparator, LVD*1, IE Bus
RL78/F14 48K - 256K 4K - 20K 24 - 32 30 - 100 8K Data Flash, motor control timer, CAN, LIN, 10-bit ADC 31ch, 8-bit DAC, comparator, LVD*1, 150 °C
RL78/F13 16K - 128K 1K - 8K 24 - 32 20 - 80 4K Data Flash, motor control timer, CAN, LIN, 10-bit ADC 20ch, LVD*1, 150 °C

*1 LVD: Low Voltage Detection
*2 ICU: Intelligent Cryptographic Unit

Analog/Power Devices

Analog/Power Device Recommended Product Features
Direct Injection Injector Driver
Low-Side MOSFET
High-Side MOSFET
Step-Up MOSFET
NP16N06YLL 60V/35mΩ, HSON-8
NP45N06VUK 60V/9.6mΩ, TO-253
EGR Motor Drive MOSFET NP16N06YLL 60V/35mΩ, HSON-8
NP45N06VUK 60V/9.6mΩ, TO-253
NP30N04QUK 40V/8mΩ, HSON-8
EGR Pre-Driver and Power IC R2A25107KFP 7V to 36V (for 24V battery systems), 3-phase BL motor control, 48-pin LQFP
Micro-Hybrid (Start/Stop) Motor Drive MOSFET NP180N04TUK 40V 180A 1.05mΩ 198nC TO-263 7-pin
NP110N04PUK 40V/1.4mΩ, TO-263-7pin
NP180N055TUK 55V 180A 1.4mΩ 196nC TO-263 7-pin
Glow Plug Heater UPD166033T1U 42V 6mΩ, TO-252 7-pin, single-channel, high-side IPD, protection function, proportional load current sensing
UPD166034T1U 42V 8mΩ, TO-252 7-pin, single-channel, high-side IPD, protection function, proportional load current sensing
UPD166031AT1U 42V 10mΩ, TO-252 7-pin, single-channel, high-side IPD, protection function, proportional load current sensing
UPD166032T1U 42V 12mΩ, TO-252 7-pin, single-channel, high-side IPD, protection function, proportional load current sensing
Transmission Linear Solenoid Driver UPD166035GR 35V 2A 100mΩ, power SOP 8, single-channel, high-side IPD, protection function, diag output, 175 °C
UPD166036GR 35V 2A 100mΩ, power SOP 8, single-channel, high-side IPD, protection function, built-in op-amp, 175 °C
Failsafe Switch UPD166033T1U 42V 6mΩ, TO-252 7-pin, single-channel, high-side IPD, protection function, proportional load current sensing
UPD166034T1U 42V 8mΩ, TO-252 7-pin, single-channel, high-side IPD, protection function, proportional load current sensing
UPD166031AT1U 42V 10mΩ, TO-252 7-pin, single-channel, high-side IPD, protection function, proportional load current sensing
UPD166032T1U 42V 12mΩ, TO-252 7-pin, single-channel, high-side IPD, protection function, proportional load current sensing
FlexRay Transceiver UPD72751 On-chip low-voltage detection, overheating detection, and overcurrent limit circuits, on-chip BG I/F, 20-pin SSOP
Op-Amp READ2351JSP Full range input/output, low power consumption
READ2352JSP Full range input/output, high slew rate
UPC1251/UPC451 Low power consumption
UPC842/UPC844 High slew rate
Comparator UPC277/UPC177 Low power consumption