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BA6220, BA6222, BA6227

Table of contents:
Info of BA6220
Info of BA6222
Info of BA6227

BA6220, BA6222, BA6227 Selling Leads, Datasheet

MFG:ROHM Package Cooled:SOP D/C:96+

BA6220, BA6222, BA6227 Datasheet download

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Part Number: BA6220

MFG: ROHM

Package Cooled: SOP

D/C: 96+

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BA6220 General Description

The BA6220 is a monolithic IC designed for controlling the speed of general-purpose DC motors.

The IC consists of a reference voltage generator, current multiplier, comparator, and start-up circuit. The speed of DC motor is controlled by detecting the counter-electromotive force generated by the motor.

Various DC motors can be driven by changing the external constants. A large power dissipation is allowed by grounding the pin connected with the IC substrate.

BA6220 Maximum Ratings

Parameter	Symbol	Limits	Unit	Conditions
Power supply voltage	V_cc	18	V	-
Power dissipation	P_d	1.4^*	W	PCB:9cm²t=1.0

BA6220 Features

Wide range of operating voltage. (3.5~16V)
Large starting torque at low supply voltage.
Large power dissipation allowable by using the PCB as a heat sink.
Various DC motors can be driven by changing the external constants.

BA6220 Typical Application

Radio cassette tape recorders

BA6222 General Description

The BA6222 is a reversible-motor driver with a maximum output current of 2.2A. Two logic inputs allow four output modes: forward, reverse, idling, and braking. The motor revolving speed can be set arbitrarily by controlling the voltage applied to the motor.

BA6222 Features

Large output current. (I_OMax. = 2.2A)
Built-in thermal shutdown circuit.
Output voltage can be adjusted arbitrarily with the output voltage setting pin. Because the pin has a gain of 11.4dB, a high output voltage can be set with a low input voltage.
Small standby circuit current.

BA6222 Typical Application

VCRs

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