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3933 датащи(PDF) 2 Page - Allegro MicroSystems

номер детали 3933
подробное описание детали  THREE-PHASE POWER MOSFET CONTROLLER
PDF  12 Pages
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производитель  ALLEGRO [Allegro MicroSystems]
домашняя страница  http://www.allegromicro.com
Logo ALLEGRO - Allegro MicroSystems

3933 датащи(HTML) 2 Page - Allegro MicroSystems

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115 Northeast Cutoff, Box 15036
Worcester, Massachusetts 01615-0036 (508) 853-5000
3933
THREE-PHASE POWER
MOSFET CONTROLLER
Copyright © 1999, Allegro MicroSystems, Inc.
Functional Block Diagram
RECOMMENDED OPERATING CONDITIONS
Supply Voltage, VBB ...................................... 15 V to 28 V
or, if VBB = VCCOUT ................................... 12 V
±10%
Logic Input Voltage Range, VIN .............. -0.3 V to +4.8 V
Sense Voltage Range, VSENSE ........................ -1 V to +1 V
RC Resistance .......................................... 10 k
Ω to 100 kΩ
PWM Frequency, fPWM ....................... 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
VCCOUT
LOW-SIDE
DRIVER
BOOTSTRAP LOW
VGS LOW
INVALID HALL
UNDERVOLTAGE
VBB
1 OF 3 HIGH-SIDE DRIVERS
1 OF 3 LOW-SIDE DRIVERS
DEAD
FAULT
AGND
TO
1 OF 3
MOTOR
PHASES
TO
SENSE
+V
RS
CX
GHX
SX
GLX
PGND
CONNECT FOR
12-V OPERATION
TO
LCAP
Cboot
BRKCAP
RC
TO
VCCOUT
RT
CT



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