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Block diagram, auto charge control circuit – Kussmaul Electronics 091-75-12 User Manual

Page 4

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BIAS
ADJUST

REF. INPUT

VO

L

T

S ADJUST

VOLTAGE

SENSE FROM

CHARGER OUTPUT

AMPLFIER

COSINE

RAMP

GENERATOR

AMPLIFIER

CO

M

P

A

R

A

T

O

R

POWER
AMPLIFIER

TRIGGER
TRANSFORMER

K

G2

G1

CURRENT

SENSE

CURRENT
LIMIT
AMPLIFIER

AMP

S

ADJUST

THRESHOLD

CURRENT LIMIT FEEDBACK

BLOCK DIAGRAM, AUTO CHARGE CONTROL CIRCUIT

Figure 1

ISOLATION

TRANSFORMER

INPUT
POWER

12 VOLT
REGULATED

POWER

SUPPLY

+12V