M62258FP 데이터 시트보기 (PDF) - MITSUBISHI ELECTRIC

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M62258FP

GENERAL PURPOSE BATTERY CHARGER CONTROL IC

MITSUBISHI ELECTRIC  

Function block description

(1).A-D converter input

MITSUBISHI (Dig./Ana. INTERFACE)

M62258FP

GENERAL PURPOSE BATTERY CHARGER CONTROL IC

4.8V

VOLTAGE REGULATOR

REFERENCE VOLTAGE

0.8V

Select the desire reference voltage to be detected by serial data

from the microcomputer.

The input voltage level of IN1 and IN2 will be magnified 4 times

using selected reference voltage as a canter.

REF

3

1

*

*Connect few 1000pF capacitor

to stabilize the reference voltage

This magnified data will be return to the A-D input port of the

microcomputer.

As result, accuracy of the A-D converter of the microcomputer will

be increased by 2 bit.

(2).+5V voltage regulator

IDD

Q1

+5V

VCC

VB

VDD

Since it capable of driving external PNP Tr. base up to 20mA, it

can supply current of

IDD MAX=20mAXQ1hFE.

Also, since this is low I/O type power source, it can be operate

VCC-VDD=0.1V

(6/ 7 )

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