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參數(shù)資料
| 型號(hào)： | PWR-82330-490Q |
| 英文描述： | Industrial Control IC |
| 中文描述： | 工業(yè)控制IC |
| 文件頁(yè)數(shù)： | 8/12頁(yè) |
| 文件大小： | 361K |
| 代理商： | PWR-82330-490Q |
5
FIGURE 4. TYPICAL INTERFACE WITH A MOTOR AND COMMUTATION LOGIC
+28V
CHARGE PUMP
+15V
+CAP
VUA
VLPI
VLA
-CAP
V+
GND
DRIVE
A
VCC A
VO A
TANT +
MOTOR
HALL
EFFECT
DEVICES
V
VCC B
VO B
VSS B
SS A
B
DIGITAL
CONTROL
AND
PROTECTION
CIRCUITRY
DRIVE
VUB
VLB
POSITION
LOOP
AND
COMMUTATION
LOGIC
POSITION
COMMAND
VUC
VLC
DRIVE
C
VCC C
VO C
VSS C
PWR-82330
VSd
+
FIGURE 3. HYSTERESIS DEFINITION AND CHARACTERISTICS
SHUT-DOWN INPUT (VSd)
Pin 12 (Vsd) provides a digital shut-down input, which allows the
user to completely turn-off both the upper and lower-output tran-
sistors in all 3 phases. Application of a logic ‘1’ to the VSd input
will latch the Digital Control / Protection circuitry thereby turning
off all output transistors. The Digital Control/Protection circuitry
remains latched in the off state and will not respond to signals on
the VL or VU inputs while the VSd has a logic ‘1’ applied. When
the user or the sense circuitry (as in FIGURE 6) returns the VSd
input to a logic ‘0’, and then the user sets the VL and VU inputs
to a logic ‘0’ the output of the Digital Control / Protection circuit-
ry will clear the internal latch. When the next rising edge (see
L or VU digital inputs, the outputs
transistors will respond to the corresponding digital input. This
feature can be used with external current limit or temperature
sense circuitry to disable the drive if a fault condition occurs (see
FIGURE 6).
INTERNAL PROTECTION CIRCUITRY
The hybrid contains digital protection circuitry, which prevents in-
line transistors from conducting simultaneously. This, in effect,
would short circuit the power supply and would damage the out-
put stage of the hybrid. The circuitry allows only proper input sig-
nal patterns to cause output conduction. TABLE 3 lists the input/
output timing relationships. If an improper input requested that
the upper and lower transistors of the same phase conduct
together, the output would be a high impedance until removal of
the illegal code from the input of the PWR-82330. A dead time
of 400 nsec minimum should still be maintained between
1
2
V
v
VO
V
H
vp
N
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| PWR-82330-490S | Industrial Control IC |
| PWR-82330-490W | Industrial Control IC |
| PWR-82330-490Y | Industrial Control IC |
| PWR-82330-490Z | Industrial Control IC |
| PWR-82330-500 | Industrial Control IC |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| PWR-82330-490S | 制造商:未知廠家 制造商全稱(chēng):未知廠家 功能描述:Industrial Control IC |
| PWR-82330-490W | 制造商:未知廠家 制造商全稱(chēng):未知廠家 功能描述:Industrial Control IC |
| PWR-82330-490Y | 制造商:未知廠家 制造商全稱(chēng):未知廠家 功能描述:Industrial Control IC |
| PWR-82330-490Z | 制造商:未知廠家 制造商全稱(chēng):未知廠家 功能描述:Industrial Control IC |
| PWR-82330-500 | 制造商:未知廠家 制造商全稱(chēng):未知廠家 功能描述:Industrial Control IC |
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