MC33035 Motorola, MC33035 Datasheet

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MC33035

Manufacturer Part Number
MC33035
Description
BRUSHLESS DC MOTOR CONTROLLER
Manufacturer
Motorola
Datasheet

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Brushless DC
Motor Controller
brushless DC motor controller containing all of the active functions required
to implement a full featured open loop, three or four phase motor control
system. This device consists of a rotor position decoder for proper
commutation sequencing, temperature compensated reference capable of
supplying sensor power, frequency programmable sawtooth oscillator, three
open collector top drivers, and three high current totem pole bottom drivers
ideally suited for driving power MOSFETs.
cycle–by–cycle current limiting with a selectable time delayed latched
shutdown mode, internal thermal shutdown, and a unique fault output that
can be interfaced into microprocessor controlled systems.
reverse direction, run enable, and dynamic braking. The MC33035 is
designed to operate with electrical sensor phasings of 60 /300
120 /240 , and can also efficiently control brush DC motors.
MOTOROLA ANALOG IC DEVICE DATA
MC33035DW
MC33035P
H–Bridge
The MC33035 is a high performance second generation monolithic
Also included are protective features consisting of undervoltage lockout,
Typical motor control functions include open loop speed, forward or
10 to 30 V Operation
Undervoltage Lockout
6.25 V Reference Capable of Supplying Sensor Power
Fully Accessible Error Amplifier for Closed Loop Servo Applications
High Current Drivers Can Control External 3–Phase MOSFET Bridge
Cycle–By–Cycle Current Limiting
Pinned–Out Current Sense Reference
Internal Thermal Shutdown
Selectable 60 /300 or 120 /240 Sensor Phasings
Can Efficiently Control Brush DC Motors with External MOSFET
Device
ORDERING INFORMATION
Temperature Range
T
T
A
A
= – 40 to + 85 C
= – 40 to + 85 C
Operating
Plastic DIP
Package
SO–24L
or
Motorola, Inc. 1996
PLASTIC PACKAGE
PLASTIC PACKAGE
Noninverting Input
Noninverting Input
Reference Output
Top Drive
Sensor
Current Sense
Output Enable
Inverting Input
DW SUFFIX
Inputs
CASE 751E
Output
MOTOR CONTROLLER
CASE 724
P SUFFIX
(SO–24L)
Error Amp
Error Amp
Oscillator
Fwd/Rev
BRUSHLESS DC
MC33035
SEMICONDUCTOR
TECHNICAL DATA
Order this document by MC33035/D
PIN CONNECTIONS
S
S
S
B
A
A
B
C
T
T
10
11
12
1
2
3
4
5
6
7
8
9
(Top View)
24
1
24
24
23
22
21
20
19
18
17
16
15
14
13
C
Brake
60 /120 Select
A
B
C
V
V
Gnd
Current Sense
Inverting Input
Fault Output
Error Amp Out/
PWM Input
B
B
C
CC
T
B
1
Bottom
Drive
Outputs
Rev 2
1

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