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SLA6870MZ 数据表(PDF) 1 Page - Allegro MicroSystems

部件名 SLA6870MZ
功能描述  High Voltage 3-Phase Motor Drivers
Download  19 Pages
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制造商  ALLEGRO [Allegro MicroSystems]
网页  http://www.allegromicro.com
标志 ALLEGRO - Allegro MicroSystems

SLA6870MZ 数据表(HTML) 1 Page - Allegro MicroSystems

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SLA6870MZ-DS
Description
The SLA6870MZ inverter power module (IPM) series 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 up to 3 A (continuous) output
current. They can withstand voltages of up to 500 V (MOSFET
breakdown voltage).
The SLA6870MZ power package includes an IC with all of
the necessary power elements (six MOSFETs), pre-driver ICs
(two), and bootstrap diodes (three), 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
• Small ventilation fan
• Dishwasher pump
Features and Benefits
▪ Built-in pre-drive IC
▪ MOSFET power element
▪ Alleviate noise generation by adjusting an internal resistor
▪ CMOS compatible input (5 V)
▪ High-side gate driver using bootstrap circuit or floating
power supply
▪ Built-in protection circuit for controlling power supply
voltage drop (UVLO on VCC)
▪ Overcurrent protection (OCP), overcurrent limiting (OCL),
and thermal shutdown (TSD)
▪ Output of fault signal during operation of protection circuit
▪ Output current 3 A
▪ Small SIP (SLA 24-pin)
High Voltage 3-Phase Motor Drivers
Figure 1. Driver block diagram
Functional Block Diagram
Low-Side
Driver
UVLO
UVLO
UVLO
UVLO
Input
Logic
Input Logic
(OCP Reset )
UVLO
Thermal
Shutdown
SD1
VCC1
VB1
VB2
VB3
VBB
U
V
W1
W2
LS
2
LS
1
SD2
COM2
LIN3
LIN2
LIN1
VCC 2
COM1
HIN3
HIN2
HIN1
High-Side
Level Shift Driver
OCL
OCP and OCL
RC
OCP
Packages: Power SIP
Not to scale
A. ¯S¯¯¯D¯¯1¯ and ¯S¯¯¯D¯¯2¯ terminals are used for both input and output.
B. ¯S¯¯¯D¯¯1¯, ¯S¯¯¯D¯¯2¯, and ¯O¯¯¯C¯¯L¯terminals are open-collector output. RC terminal is open-drain output.
C. Blanking Time (tblank) is used in Overcurrent Limiting (OCL) and Overcurrent Protection (OCP).
If the time exceeds the limit, the signal will be output (open-collector output turns on) on the ¯S¯¯¯D¯¯2¯
pin, and protection operation will start up.
SLA6870MZ Series
Leadform
2171
Leadform 2175


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