sla6845m Allegro MicroSystems, Inc., sla6845m Datasheet

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sla6845m

Manufacturer Part Number
sla6845m
Description
High Voltage 3-phase Motor Driver
Manufacturer
Allegro MicroSystems, Inc.
Datasheet
Features and Benefits
▪ Built-in pre-drive IC
▪ IGBT power element
▪ CMOS compatible input (3.3 to 5 V)
▪ High-side gate driver using bootstrap circuit or floating
▪ Integrated Fast Recovery Diode (FRD) as freewheeling
▪ Built-in protection circuit for controlling power supply
▪ Built-in overtemperature detection circuit (TD)
▪ 3-shunt configuration
▪ Output of fault signal during operation of protection
▪ Output current 3 A
▪ Small SIP (SLA 24-pin)
Package: Power SIP
28610.19, Rev. 2
power supply
diode for each IGBT
voltage drop
circuit
Not to scale
Figure 1. Driver block diagrams.
COM1
COM2
VCC1
VCC2
VREG
HIN1
HIN2
HIN3
LIN1
LIN2
LIN3
FO
7.5 V
Reg.
UVLO
UVLO
Logic
Logic
Input
Input
Leadform
2171
Functional Block Diagram
UVLO
VB 1
Overtemperature
Level Shift Driver
High Voltage 3-Phase Motor Driver
Detection
High Side
Low Side
UVLO
Driver
VB 2
Description
The SLA6845M 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 230 VAC input voltage, and 3 A (continuous) output
current. They can withstand voltages of up to 600 V (IGBT
breakdown voltage).
The SLA6840M power package includes an IC with all of
the necessary power elements (six IGBTs), pre-driver ICs
(two), and freewheeling diodes (six), needed to configure the
main circuit of an inverter. This enables the main circuit of
the inverter to be configured with fewer external components
than traditional designs.
Applications include residential white goods (home
applications) and commercial appliance motor control:
• Air conditioner fan
• Refrigerator compressor
• Dishwasher pump
UVLO
VB3
VBB 1
VBB 2
SLA6845M
LS3
LS2
LS1
W1
W2
U
V

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sla6845m Summary of contents

Page 1

... Figure 1. Driver block diagrams. 28610.19, Rev. 2 High Voltage 3-Phase Motor Driver Description The SLA6845M 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 230 VAC input voltage, and 3 A (continuous) output current ...

Page 2

... SLA6845M Selection Guide Part Number Packing SLA6845M 18 pieces per tube Absolute Maximum Ratings, valid at T Characteristic IGBT Breakdown Voltage Main Supply Voltage Logic Supply Voltage Bootstrap Voltage Output Current, Continuous Output Current, Pulsed Output Current for Regulator Input Voltage Allowable Power Dissipation ...

Page 3

... The external electrolytic capacitors should be placed as close to the IC as possible, in order to avoid malfunctions from external noise interference. Put a ceramic capacitor in parallel with the electrolytic capacitor if further reduction of noise susceptibility is necessary. High Voltage 3-Phase Motor Driver R BOOT BOOT SLA6845M VB1 VB2 VB3 5 VCC1 HO1 HVIC HS1 HO2 ...

Page 4

... SLA6845M ELECTRICAL CHARACTERISTICS, valid at T Characteristics Logic Supply Voltage Logic Supply Current Input Voltage Input Voltage Hysteresis Input Current Undervoltage Lockout –V for Output Voltage Negative Surge Voltage 2 FO Terminal Output Voltage Overtemperature Detection Activating and Releasing Temperature Output Voltage for Regulator ...

Page 5

... SLA6845M High-Side Driver Input/Output Timing Diagrams • High-side turn-on at next rising edge on HIN signal after UVLO release. • FO output state does not change at high-side UVLO. Low-Side Driver Input/Output Timing Diagrams V • Low-side turn-on in accordance with LIN signal level after UVLO release. ...

Page 6

... SLA6845M Pad Side Terminal List Table Number Name VCC1 6 COM1 VBB1 11 VBB2 VREG COM2 22 23 VCC2 24 High Voltage 3-Phase Motor Driver Pin-out Diagram (Top View) ...

Page 7

... Terminal core material: Cu Terminal plating: Ni Recommended attachment: Solder dip (Sn-Ag-Cu) Dimensions in millimeters Branding codes (exact appearance at manufacturer discretion): 1st line, type: SLA6845M 2nd line, lot: YMDD# Where the last digit of the year of manufacture M is the month ( the date # is the tracking letter Leadframe plating Pb-free ...

Page 8

... SLA6845M 31.2 13.8 137 186 High Voltage 3-Phase Motor Driver Packing Specification Dimensions in millimeters 580 Tube material: PVC Maximum 18 pieces per tube (pins aligned along X direction) Rubber plug each end X Maximum 12 tubes in Y direction Z Maximum 3 tubes in Z direction Y Maximum pieces per carton: 18 pieces per tube ...

Page 9

... SLA6845M WARNING — These devices are designed to be operated at lethal voltages and energy levels. Circuit designs that embody these components must conform with applicable safety requirements. Pre cau tions must be taken to prevent accidental contact with power-line potentials. Do not connect ground ed test equipment. ...

Page 10

... SLA6845M The products described herein are manufactured in Ja pan by Sanken Electric Co., Ltd. for sale by Allegro MicroSystems, Inc. Sanken and Allegro reserve the right to make, from time to time, such de par tures from the detail spec tions as may be re quired to per mit im- prove ments in the per for mance, reliability, or manufacturability of its prod ucts ...

Page 11

... SLA6845M Asia-Pacific China Sanken Electric Hong Kong Co., Ltd. Suite 1026, Ocean Centre Canton Road, Tsimshatsui Kowloon, Hong Kong Tel: 852-2735-5262, Fax: 852-2735-5494 Sanken Electric (Shanghai) Co., Ltd. Room 3202, Maxdo Centre Xingyi Road 8, Changning District Shanghai, China Tel: 86-21-5208-1177, Fax: 86-21-5208-1757 Sanken Electric (Shanghai) Co., Ltd. ...

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