SLA6868M
High Voltage 3-Phase Motor Driver
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 2.5 A
▪ Small SIP (SLA 24-pin)
Description
TheSLA6868Minverterpowermodule(IPM)deviceprovides
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 2.5 A (continuous) output
current.Theycanwithstandvoltagesofupto500 V(MOSFET
breakdown voltage).
The SLA6800M 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.
Packages: Power SIP
Not to scale
Applications include residential white goods (home
applications) and commercial appliance motor control:
• Air conditioner fan
• Refrigerator compressor
• Dishwasher pump
Leadform
2171
Leadform 2175
Functional Block Diagram
VB1
VB2
VB3
VCC1
VBB
UVLO
UVLO
UVLO
UVLO
HIN1
HIN2
HIN3
Input
Logic
High-Side
Level Shift Driver
COM1
W1
W2
V
SD1
VCC2
U
UVLO
LIN1
LIN2
LIN3
Input Logic
(OCP Reset
Low-Side
Driver
)
COM2
OCP
Thermal
LS1
LS2
Shutdown
SD2
OCL
RC
OCP and OCL
A. SD1, SD2 terminals are used for both input and output.
B. SD1, SD2, and OCL 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), and protection
operation will start up.
Figure 1. Driver block diagram.
28610.09