Overview

The R2A20114B continuous conduction mode PFC IC from Renesas provides interleaved operation at high power levels along with inexpensive anti-noise measures, enabling manufacturers to design low-cost air conditioner models that combine a high power factor and high efficiency.

 Power Supply for Air Conditioner

System Block Diagram

 

Recommended Products

Full-Switching PFC IC

PFC IC Part no. Mode VCC Maximum (V) Tj operation Drive peak current
R2A20114B Continuous interleave 24 V -40 to +150 ℃ -1000 mA (source)
/ 1000 D1mA (sink)
R2A20112A Critical interleave 24 V -40 to +150 ℃ -1000 mA (source)
/ 1000 D1mA (sink)

Photocoupler Lineup

Block Semiconductor device Recommended products Features, etc.
Indoor-outdoor unit
signal I/F
General-purpose
photocouplers
PS23xx Series
PS27xx Series
PS28xx Series
High isolation voltage (5kVr.m.s.), 4p-LSOP, Ta=115°C
High isolation voltage (3.75kVr.m.s.), 4p-SOP, Ta=110°C
High isolation voltage (2.5kVr.m.s.), 4p-SSOP, Ta=110°C
High-speed
photocouplers
PS93xx Series (SDIP)
PS95xx Series (8-pin DIP)
Digital output   
~15Mbps
Low supply current
For TRIAC Control General-Purpose
Photocouplers
PS23xx Series
PS27xx Series
PS28xx Series
High insulation High isolation voltage (5kVr.m.s.), 4p-LSOP, Ta=115°C
High isolation voltage (3.75kVr.m.s.), 4p-SOP, Ta=110°C
High isolation voltage (2.5kVr.m.s.), 4p-SSOP, Ta=110°C
Inverter circuit Photocouplers for
IGBT drive
PS93xx Series (SDIP)
PS95xx Series (8-pin DIP)
High isolation voltage (5kV~7.5kVr.m.s.)
0.6~2.5A output
High CMR (CMR≧50kV/μs)

MCU Lineup for Outdoor Unit Control

Series CPU Max.
operating
frequency
Memory Inverter
timer
A/D converter Serial Package
Flash
(KB)
Data flash
(KB)
RAM
(KB)
12-bit 10-bit SCI I 2 C UART SPI
RX62T RX 100 64~256 32/8 16/8 1~3 8ch 12ch 3 1 3 1 LQFP112
LQFP100
LQFP80
LQFP64
RX63T RX 100 32~512 32/8 48/8 1~3 8/6ch 20/12ch 5/3 7/1 5/3 7/4 LQFP144
LQFP120
LQFP112
LQFP100
LQFP64
LQFP48

List of Photocouplers for Power Supplies
DC Input/Single-Transistor Output Type (Products Conforming to Overseas Various Safety Standards)

Package Part no. Rating Characteristics
BV
@1 minute
(kV r.m.s)
VCEO
(V)
IC
(mA)
CTR (Current transfer ratio) Safty standard
(Overseas safety standards)
Rank Min.
(%)
Max.
(%)
FI
(mA)
VCE
(V)
4-pin-LSOP PS2381-1 5 80 50 W 130 260 5 5 UL, CSA, SEMKO
CQC
VDE (option)
L 100 300 5 5
M 50 150 5 5
N 50 400 5 5
4-pin-SOP PS2701A-1 3.75 70 30 P 150 300 5 5 UL, CSA,
VDE (option)
L 100 300 5 5
M 50 150 5 5
N 50 300 5 5
4-pin-SOP PS2761B-1 3.75 70 40 K 200 400 5 5 UL, CSA, BSI
SEMKO, NEMKO
DEMKO, FIMKO
CQC, VDE (option)
L 100 300 5 5
M 50 150 5 5
N 50 400 5 5
4-pin-SSOP PS2801C-1 2.5 80 30 P 150 300 5 5 UL, CSA,
VDE (option)
L 100 300 5 5
M 100 400 5 5
N 50 400 5 5
4-pin-SSOP PS2861B-1 3.75 70 50 L 100 300 5 5 UL, CSA, BSI
SEMKO, CQC
VDE (option)
M 50 150 5 5
N 50 300 5 5

Others

Block Semiconductor device Recommended products Features, etc.
Outdoor unit Shunt regulator μPC1093,μPC1943 /1944 Optimal for output voltage detection of outdoor unit power supply
PFC (IC) R2A20114B Continuous conduction mode interleaving
R2A20112A Critical conduction mode interleaving
MCU Peripherals Sensor signal amplifier
CMOS op-amp
READ2302GSP Full range Input/output , High slew rate
μPC4742, μPC4744 High slew rate
Related Boards
Name Part No.
R2A20114B evaluation board * -
R2A20112A evaluation board * -

*: Please contact your sales representative or contact us directly.