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Circuit Description
ENVIRONMENTAL SPECIFICATION
Temperature
-Operating temperature : 0
-Storage temperature : -20
Humidity
-Operating humidity : 5% ~ 90%
-Storage humidity : 5% ~ 95%
CLC FUNCTION
Protection circuit
Protection circuit keeps against electronic stress
like over current, and inputting polarity power
promptly in case of occurring unexpected
situation in CLC unit source power.
Function of confirming mobile phone
installation
Function of confirming proper charge process
with turning on lamp in CLC which is connected
with Cellular Phone.
Green : Full charge
Red : Being charge
Function of confirming battery installation
Function of confirming battery installation in
cellular phone, then control the CLC activation.
Function of auto power on
Function of turning on Cellular Phone
automatically with inserting CLC interface jack
into the phone.
6-9-2 Circuit description of SCH-210
CLC
POWER SUPPLY
This circuit supplies HHP & battery with power
received from Cigar Lighter jack of automobile.
6-16
C ~ 50
C
o
o
C ~ 105
C
o
o
Samsung Electronics - Contents may change without notice.
POWER CIRCUIT OF CHARGE FOR HHP
POWER & BATTERY
This Switching Regulator produces needed power
for charging HHP power & battery, supplied U1,
D1, D2, C1, C2, L1, R25 from Cigar Lighter jack of
automobile.
CONFIRMING CIRCUIT OF EXISTING
BATTERY OR NOT
U3A reads separated voltage between resistance
battery C/F and R20, controls no. 5 pin of U1
through reference voltage and comparator then
decides to produce Vcc or not.
CHARGE CURRENT CONTROL CIRCUIT
U2A, U4, Q1 and side circuit detects R4's flowing
current, controls no. 5 pin of U1 then charge
current and charge voltage.
LED ACTIVATING CIRCUIT
LED activating circuit compares to voltage
difference between R4 source and D4 PROP,
controls Q3, Q4 through U2B comparator for Q6
and side circuit, then activates LED.
AUTO POWER ON CIRCUIT
Q9, Q10 and side circuit makes power on the
circuit allowed Vcc power to no. 9 HHP pin(power
on) by turned on Q9, following up the producing
Vcc.
CONNECTION OF CLC, CURL, AND CABLE
Pin no (CLC)
Description
#1
HP-PWR
#2
V-BAT
#3
#4
#5
GND
Pin no (HHP)
9
12/13/16
V/F
N.C
C/F
3
2/4/6
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