參數資料
型號： IXDP610
廠商： IXYS Corporation
英文描述： Bus Compatible Digital PWM Controller, IXDP 610
中文描述： 總線兼容數字PWM控制器，IXDP 610
文件頁數： 1/8頁
文件大小： 181K
代理商： IXDP610
2001 IXYS/DEI All rights reserved
IXDP 610
1
Description
The IXDP610 Digital Pulse Width
Modulator (DPWM) is a programmable
CMOS LSI device which accepts digital
pulse width data from a microprocessor
and generates two complementary,
non-overlapping, pulse width modula-
ted signals for direct digital control of
switching power bridge. The DPWM is
designed to be operated under the
direct control of a microprocessor and
interfaces easily with most standard
microprocessor and microcomputer
buses. The IXDP610 is packaged in an
18-Pin slim DP.
The PWM waveform generated by the
IXDP610 results from comparing the
output of the Pulse Width counter to
the number stored in the Pulse Width
Latch (see below). A programmable
"dead-time" is incorporated into the
PWM waveform. The Dead-Time Logic
disables 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
Bus Compatible Digital PWM Controller, IXDP 610
sinking and sourcing 20 mA at TTL
voltage levels. The Output Disable
logic can be activated either by
software or hardware. This facilitates
cycle-by-cycle current-limit, short-
circuit, over-temperature, and
desaturation protection schemes.
The IXDP610 is capable of operating at
PWM frequencies from zero to 390kHz;
the dead-time is programmable from
zero to 14 clock cycles (0 to 11 % of
the PWM cycle), which allows
operation with fast power MOSFETs,
IGBTs, 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
IXDP610 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 other digital PWM
implementations.
Features
G
Microcomputer bus compatible
G
Two complementary outputs for
direct control of a switching power
bridge
G
Dynamically programmable pulse
width ranges from 0 to 100 %
G
Two modes of operation: 7-bit or 8-
bit resolution
G
Switching frequency range up to
390 kHz
G
Programmable Dead-time Counter
prevents switching overlap
G
Cycle-by-Cycle disable input to
protect against over-current, over-
temperature, etc.
G
Outputs may be disabled under
software control
G
Special locking bit prevents damage
to the stage in the event of a
software failure
G
18-pin slim DIP package
Dimensions in inch and mm
18-Pin Slim DIP
Symbol
Definition
Maximum Ratings
V
CC
V
IN
V
out
Supply voltage
Input voltage
Output voltage
-0.3 ... 5.5
V
V
V
-0.3 ... V
CC
+ 0.3
-0.3 ... V
CC
+ 0.3
P
D
Maximum power dissipation
500
mW
T
stg
Storage temperature range
-40 ... 125
°
C
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相關代理商/技術參數
參數描述
IXDP610PC 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Analog IC
IXDP610PI 功能描述:電壓模式 PWM 控制器 Bus Compatibl Digitl PWM Controller RoHS:否 制造商:Texas Instruments 輸出端數量:1 拓撲結構:Buck 輸出電壓:34 V 輸出電流: 開關頻率: 工作電源電壓:4.5 V to 5.5 V 電源電流:600 uA 最大工作溫度:+ 125 C 最小工作溫度:- 40 C 封裝 / 箱體:WSON-8 封裝:Reel
IXDP610PM 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Analog IC
IXDP630 制造商:IXYS 制造商全稱:IXYS Corporation 功能描述:Inverter Interface and Digital Deadtime Generator for 3-Phase PWM Controls
IXDP630PC 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Analog Delay Circuit
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