10
KX-TG9581B/KX-TG9582B/KX-TGA950B
4.2.2.
Power Supply Circuit
The power is supplied to the DECT-BBIC(Master),TAM-Flash,QSPI-Flash,BT-Module,EEPROM,
Expanded-I/O,BBIC(Slave),QSPI-Flash(forSlave),Expanded-I/O;
The brief block diagram is below.
<Fig.101>
<Fig.102>
AC-Adaptor
Jack
F900
D901
Q903
IC901
L901
D1001
Charge
Circuit
Battery
F900
IC906
IC904
Q606
1.8V
IC905
3.4V
Q607
Q911
4.0V
LCD Back Light
IC602
TAM_Flash
IC601
(BBIC-Master)
IC603
QSPI_Flash
Prog
IC402
IC403
IC404
IC405
IC402
IC403
IC404
IC405
IC401
USB IC
CN401
USB JACK
VBUS +5.0V
Isolated circuit
Photocoupler
IC501
BT_Module
IC604
EEPROM
IC101
Expended-I/O
KEY
IC102, IC103
Expended-I/O
LED
LCD-Module
IC701
(BBIC-Slave)
Q701
1.8V
IC703
QSPI_Flash
Prog
IC201
OP_AMP
3.0V
Main power supply
Battery power supply
DC-OUT(2.8V)
VBAT(2.6V)
VDD6(3.4V)
VDD7(4.0V)
VDD1(1.8V)
VDD2(3.0V)
VDD5(1.8V)
VDD1
(M_+1.8V)
RESET(RST)
(IC601_B8 pin)
IC601_C8 pin
VDD5 (S_+1.8V)
RESET(RSTn)
IC701_71pin
for IC601
for IC701