MC33035 Motorola, MC33035 Datasheet

MC33035

Manufacturer Part Number

MC33035

Description

BRUSHLESS DC MOTOR CONTROLLER

Manufacturer

Motorola

Datasheet

1.MC33035.pdf (24 pages)

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Download datasheet (656Kb)

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

= – 40 to + 85 C

Operating

Plastic DIP

Package

SO–24L

Motorola, Inc. 1996

PLASTIC PACKAGE

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

Oscillator

Fwd/Rev

BRUSHLESS DC

MC33035

SEMICONDUCTOR

TECHNICAL DATA

Order this document by MC33035/D

PIN CONNECTIONS

(Top View)

Brake

60 /120 Select

Gnd

Current Sense

Inverting Input

Fault Output

Error Amp Out/

PWM Input

Bottom

Drive

Outputs

Rev 2

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