An HVAC unit requires a microcontroller (MCU) with networking support to implement a linked configuration between the main unit and distributed motor units. Renesas offers an extensive lineup of CAN/LIN MCUs as well an array of analog and power devices ideal for use in motor units.

Heating, Ventilation and Air Conditioning System Block Diagram

Related Products

Microcontrollers

Recommended Product ROM
(Bytes)
RAM
(Bytes)
Operating
Frequency
(MHz)
Package
(Pin Count)
Features
RH850/F1KH-D8 6144-8192 896 2x240 176-324 CAN/CAN FD 12ch, LIN, FlexRay 2ch, Ethernet 2ch, ICU *1
RH850/F1KM-S4 3072-4096 384-512 240 100-272 CAN/CAN FD 8ch, LIN, FlexRay, Ethernet, ICU *1
RH850/F1KM-S1 512-1024 64-128 120 48-100 CAN/CAN FD 6ch, LIN, ICU *1
RH850/F1K 768-2048 96-192 120 100-176 CAN/CAN FD 6ch, LIN, ICU *1
RH850/F1H

3072-6144

320-576

2x120

176-272

CAN 7ch, LIN, FlexRay, Ethernet, ICU *1

RH850/F1L

256-2048

32-192

96

48-176

CAN 6ch, LIN, ICU *1

RL78/F15 128K-512K 10K-32K 32 48-144 Motor control timer (Timer RD), CAN 2ch, LIN 3ch, IEBus, ADC, DAC, comparator, 8KB/16KB Data Flash
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*2, 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, 150 °C

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

Analog/Power Devices

  Recommended Product Features
Lamp Drive IPD LED Headlight Power 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
UPD166023T1J 42V/12mΩ, 12-pin power HSSOP, single-channel, high-side IPD, protection function, proportional load current sensing
UPD166025T1J 42V/16mΩ, 12-pin power HSSOP, single-channel, high-side IPD, protection function, proportional load current sensing
UPD166038T1J 42V/20mΩ, 12-pin power HSSOP, dual-channel, high-side IPD, protection function, proportional load current sensing
UPD166037T1J 42V/30mΩ, 12-pin power HSSOP, dual-channel, high-side IPD, protection function, proportional load current sensing
UPD166027T1J 42V/35mΩ, 12-pin power HSSOP, dual-channel, high-side IPD, protection function, proportional load current sensing
UPD166029T1J 42V/70mΩ, 12-pin power HSSOP, dual-channel, high-side IPD, protection function, proportional load current sensing
Motor Drive MOSFET for Blower Motor NP75N04YUK 40V/3.3mΩ, HSON-8
NP75N055YUK 55V/4.5mΩ, HSON-8
NP89N04PUK 40V/2.95mΩ, TO-263
NP89N055PUK 55V/4.0mΩ, TO-263
Heater Driver IPD for Seat 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