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PDF SCM1110MF Data sheet ( Hoja de datos )
| Número de pieza | SCM1110MF | |
| Descripción | High Voltage 3-Phase Motor Driver | |
| Fabricantes | Allegro | |
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SCM1110MF
High Voltage 3-Phase Motor Driver
Features and Benefits
▪ Each half-bridge circuit consists of a pre-driver circuit that
is completely independent from the others
▪ Protection against simultaneous high- and low-side turning on
▪ Bootstrap diodes with series resistors for suppressing
inrush current are incorporated
▪ CMOS compatible input (3.3 to 5 V)
▪ Designed to minimize simultaneous current through both
high- and low-side IGBTs by optimizing gate drive resistors
▪ Integrated Fast Recovery Diode (FRD) as freewheeling
diode for each IGBT
▪ UVLO protection with auto restart
▪ Overcurrent protection with off-time period adjustable by
an external capacitor
▪ Fault (FO indicator) signal output at protection activation:
UVLO (low side only), OCP, and STP
▪ Proprietary power DIP package
▪ UL Recognized Component (File No.: E118037)
Package: Power DIP
Not to scale.
Thermal pad shown attached.
Description
The SCM1110MF inverter power module (IPM) device provides
a robust, highly-integrated solution for optimally controlling
3-phase motor power inverter systems and variable speed
control systems used in energy-conserving designs to drive
motors of residential and commercial appliances. These ICs
take 85 to 253 VAC input voltage, and 15A(continuous) output
current. They can withstand voltages of up to 600 V (IGBT
breakdown voltage).
The SCM1100M series employs a new, small-footprint
proprietary DIPpackage with exposed thermal pad for enhanced
power dissipation capacity. The IC itself consists of all of the
necessary power elements (six IGBTs), pre-drive ICs (three),
and freewheeling diodes (six), needed to configure the main
circuit of an inverter, as well as a bootstrap circuit (three
bootstrap diodes and three boot resistors) as a high-side drive
power supply. This enables the main circuit of the inverter to
be configured with fewer external components than traditional
designs.
Applications include residential white goods (home appliances)
and commercial appliance motor control, such as:
▪ Air conditioner fan motor
▪ Refrigerator compressor motor
▪ Washing machine main motor
▪ Air conditioner compressor motor
Functional Block Diagram
HS
VB
VCC
HIN
LIN
COM
FO
CFO
Input
Logic
&
Shoot
Through
Prevention
UV
Detect
Level
Shift
Drive
Circuit
UV
Detect
O .C .
Protect
Drive
Circuit
HVIC
HO
LO
VBB
U, V, or W
LS
38110.030, Rev. 6
Figure 1. Diagram of one of three phases in the device.
1 page  
SCM1110MF
High Voltage 3-Phase Motor Driver
Pin-out Diagram
25 33
Branded Side
24 1
(Bottom View)
Terminal List Table
Name
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
Number
FO1
CFO1
LIN1
COM1
HIN1
VCC1
VB1
HS1
FO2
CFO2
LIN2
COM2
HIN2
VCC2
VB2
HS2
FO3
CFO3
LIN3
COM3
HIN3
VCC3
VB3
HS3
VBB
W
LS3
VBB
V
LS2
VBB
U
33 LS1
Function
U phase fault output for overcurrent and UVLO detected
Capacitor for U phase overcurrent protection hold time
Signal input for low-side U phase (active high)
Supply ground for U phase IC
Signal input for high-side U phase (active high)
Supply voltage for U phase IC
High-side floating supply voltage for U phase
High-side floating supply ground for U phase
V phase fault output for overcurrent and UVLO detected
Capacitor for V phase overcurrent protection hold time
Signal input for low-side V phase (active high)
Supply ground for V phase IC
Signal input for high-side V phase (active high)
Supply voltage for V phase IC
High-side floating supply voltage for V phase
High-side floating supply ground for V phase
W phase fault output for overcurrent and UVLO detected
Capacitor for W phase overcurrent protection hold time
Signal input for low-side W phase (active high)
Supply ground for W phase IC
Signal input for high-side W phase (active high)
Supply voltage for W phase IC
High-side floating supply voltage for W phase
High-side floating supply ground for W phase
Positive DC bus supply voltage
Output for W phase
Negative DC bus supply ground for W phase
Cut-pin ( positive DC bus supply voltage)
Output for V phase
Negative DC bus supply ground for V phase
Cut-pin ( positive DC bus supply voltage)
Output for U phase
Negative DC bus supply ground for U phase
Allegro MicroSystems, Inc.
115 Northeast Cutoff
Worcester, Massachusetts 01615-0036 U.S.A.
1.508.853.5000; www.allegromicro.com
5
5 Page 
SCM1110MF
High Voltage 3-Phase Motor Driver
The products described herein are manufactured in Japan by Sanken Electric Co., Ltd. for sale by Allegro MicroSystems, Inc.
Sanken and Allegro reserve the right to make, from time to time, such departures from the detail specifications as may be required to permit im-
provements in the performance, reliability, or manufacturability of its products. Therefore, the user is cautioned to verify that the information in this
publication is current before placing any order.
When using the products described herein, the applicability and suitability of such products for the intended purpose shall be reviewed at the users
responsibility.
Although Sanken undertakes to enhance the quality and reliability of its products, the occurrence of failure and defect of semiconductor products at
a certain rate is inevitable.
Users of Sanken products are requested to take, at their own risk, preventative measures including safety design of the equipment or systems
against any possible injury, death, fires or damages to society due to device failure or malfunction.
Sanken products listed in this publication are designed and intended for use as components in general-purpose electronic equipment or apparatus
(home appliances, office equipment, telecommunication equipment, measuring equipment, etc.). Their use in any application requiring radiation
hardness assurance (e.g., aerospace equipment) is not supported.
When considering the use of Sanken products in applications where higher reliability is required (transportation equipment and its control systems
or equipment, fire- or burglar-alarm systems, various safety devices, etc.), contact a company sales representative to discuss and obtain written con-
firmation of your specifications.
The use of Sanken products without the written consent of Sanken in applications where extremely high reliability is required (aerospace equip-
ment, nuclear power-control stations, life-support systems, etc.) is strictly prohibited.
The information included herein is believed to be accurate and reliable. Application and operation examples described in this publication are given
for reference only and Sanken and Allegro assume no responsibility for any infringement of industrial property rights, intellectual property rights, or
any other rights of Sanken or Allegro or any third party that may result from its use.
Anti radioactive ray design is not considered for the products listed herein.
The contents in this document must not be transcribed or copied without Sanken’s written consent.
Copyright ©2008-2010 Allegro MicroSystems, Inc.
This datasheet is based on Sanken datasheet SSJ-03464
Allegro MicroSystems, Inc.
115 Northeast Cutoff
Worcester, Massachusetts 01615-0036 U.S.A.
1.508.853.5000; www.allegromicro.com
11
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