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參數(shù)資料
| 型號： | A3933SEQ |
| 廠商： | Allegro MicroSystems, Inc. |
| 英文描述： | THREE-PHASE POWER MOSFET CONTROLLER |
| 中文描述： | 三相功率MOSFET控制器 |
| 文件頁數(shù)： | 2/12頁 |
| 文件大?。?/td> | 168K |
| 代理商： | A3933SEQ |
115 Northeast Cutoff, Box 15036
Worcester, Massachusetts 01615-0036 (508) 853-5000
Copyright 1999, Allegro MicroSystems, Inc.
3933
THREE-PHASE POWER
MOSFET CONTROLLER
Functional Block Diagram
RECOMMENDED OPERATING CONDITIONS
Supply Voltage, V
BB
......................................
15 V to 28 V
or, if V
BB
= V
CCOUT
...................................
12 V
±
10%
Logic Input Voltage Range, V
IN
..............
-0.3 V to +4.8 V
Sense Voltage Range, V
SENSE
........................
-1 V to +1 V
RC Resistance..........................................
10 k
to 100 k
PWM Frequency, f
PWM
.......................
20 kHz to 100 kHz
Dwg. OA-007-32
LOW-SIDE
SYNCHRONOUS
RECTIFICATION
UNDER-
VOLTAGE
DETECT
BOOTSTRAP
CHARGE
TURN-ON
DELAY
TURN-ON
DELAY
DEAD-TIME
ADJUST
BOOTSTRAP
MONITOR
GATE-SOURCE
MONITOR
H1
H2
H3
DIR
RESET
MODE
PWM
REF
SENSE
BRAKE
BRKSEL
Dwg. FP-045
BRAKE
CONTROL
LOGIC
RC BLANKING
(FIXED OFF TIME)
REGULATOR
HIGH-SIDE
DRIVER
+
–
LCAP
V
CCOUT
LOW-SIDE
DRIVER
BOOTSTRAP LOW
V
GS
LOW
INVALID HALL
UNDERVOLTAGE
V
BB
1 OF 3 HIGH-SIDE DRIVERS
1 OF 3 LOW-SIDE DRIVERS
DEAD
FAULT
AGND
TO
1 OF 3
MOTOR
PHASES
TO
SENSE
+V
R
S
C
X
GH
X
S
X
GL
X
PGND
CONNECT FOR
12-V OPERATION
TO
LCAP
C
boot
BRKCAP
RC
TO
V
CCOUT
R
T
C
T
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