MX884HTTR IXYS, MX884HTTR Datasheet - Page 184
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MX884HTTR
Manufacturer Part Number
MX884HTTR
Description
IC CURRENT MONITOR TSOT23-6
Manufacturer
IXYS
Specifications of MX884HTTR
Function
Current Monitor
Sensing Method
High-Side
Voltage - Input
3 ~ 60 V
Mounting Type
Surface Mount
Package / Case
TSOT-23-6, TSOT-6
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
Minimum Operating Temperature
- 40 C
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Current - Output
-
Operating Temperature
-
Accuracy
-
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Digital Deadtime Generator, IXDP630 / 631
Features
• 5 Volt HCMOS logic implementation
• Schmitt trigger inputs and CMOS logic
• Simultaneously injects equal deadtime
• Replaces 10-12 standard SSI/MSI
• Allows a wide range of PWM modulati
• Directly drives high speed optocouplers
Integrated Circuits
Bus compatible Digital PWM Controller, IXDP610IXDP610 / IGBT Half-Bridge Gate Drivers
Features
• Microcomputer bus compatible
• Two complementary outputs for direct
• Dynamically programmable pulse width
• Two modules of operation: 7-bit or 8-bit
• Switching frequency range up to 300 kHz
• Programmable Dead-time Counter
• Cycle-by-cycle disable input to protect
• Outputs may be disabled under soft
• Special locking bit prevents damage
The IXDP610 Digital Pulse Width Modu-
lator (DPWM) is a programmable CMOS
LSI device which accepts digital pulse
width data from a microprocessor and
generates two complementary non-over-
lapping pulse width modulated signals
for direct digital control of a switching
power bridge. The DPWM is designed to
be operated under the direct control of
162
control of switching power bridge
ranges from 0 to 100%
resolution
prevents switching overlap
against over-current,over-temperture, etc.
ware control
to the power stage in the event of a
software failure
maintains low power at high speed
levels improve noise immunity
in up to three output phases
logic devices
on strategies
Basis system Configuration
a microprocessor and interfaces easily
with most standard microprocessor and
microcomputer buses. The PWM wave-
form generated by the IXDP610 results
from comparing the output of the Pulse
Width Counter to the number stored in
the Pulse Width Latch. A programmable
‚dead-time‘ is incorporated into the PWM
waveform. The Dead-time Logic disab-
les both outputs on each transition of
the Comparator output for the required
dead-time interval. The output stage
provides complemen-tary PWM output
signals capable of sinking and sourcing
20 mA at TTL voltage levels. The Output
Disable Logic can be activated either
by software or hardware. The facilitates
cycle-by-cycle
cuit, overtemperature, and desaturation
This 5 Volt HCMOS integrated circuit
is intended primarily for application in
three-phase sinusoidally commutated
brushless motor, induction motor, AC
servomotor or UPS PWM modulator
control systems. It injects the required
deadtime to convert a single phase leg
PWM command the two separate logic
signals required to drive the upper and
lower semiconductor switches in a PWM
inverter. It also provides facilities for out-
put disable, fast overcurrent, and fault
condition shutdown.
Type
IXDP 630PI
IXDP 631PI
Type
IXDP 610PI
Microprocessor
Microcontroller
or
Crystal Oscillator
Configuration
current-limit,
RC Oscillator
18-pin PDIP
Package
short-cir-
IXDP610
IXYS
DPWM
18-pin PDIP
Package
protection schemes. The IXDP610 is ca-
pable of operating at PWM frequencies
from zero to 300 kHz, the dead-time is
programmable from zero to 14 clock cyc-
les (0 to 11 % of the PWM cycle), which
allows operation with fast power MOS-
FETs, MOSIGBTs, and bipolar power
transistors. A trade-off between PWM
frequency and resolution is provided by
selecting the counter resolution to be
7-bit or 8-bit. The 20 mA output drive
makes the IXDP 610 capable of directly
driving opto isolators and Smart-power
devices. The fast response to pulse width
commands is achieved by instantaneous
change of the outputs to correspond to
the new command. This eliminates the
one-cycle delay usually associated with
digital PWM implementations.
Temperature
In the IXDP630 the dead time is set by
controlling frequency of the internal oscil-
lator using an external R.C. network. In
the IXDP631 the dead time is achieved
by use of an external crystal oscillator.
An alternative programming means for
both the IXDP630/631 is by an externally
provided clock signal.
Because of its flexibility, the IXDP630/631
is easily utilized in a variety of brushed
DC, trapezoidally commutated brushless
DC, hybrid and VR step, or other more
exotic PWM motor drive power and con-
trol circuit designs.
OUT 1
OUT 2
ODIS
-40 to 85
Range
Temperature
°C
-40 to 85
Range
°C
Switching
Power
Bridge
Outline drawings
Outline drawings
O-30...O-52
O-30...O-52
on pages
Package
on pages
Package
X506
Motor
X506
DC
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