15
KX-TGF350N/KX-TGF352N/KX-TGF353N/KX-TG572SK/KX-TGF380M/KX-TGF382M/KX-TGF383M/KX-TGFA30N/KX-TGFA30M
4.6.5.
Power Supply Circuit/Reset Circuit
There are 2 pattern from power supply voltage.
1) AC adapter voltage is converted to VBAT(3.0V) at DCDC converter.
2) Battery voltage goes through to VBAT(Battery voltage).
VBAT is used for various voltage of the system.
Circuit Operation:
for KX-TGF38x only
Startmonitor
(IC501 57pin)
VDD1 (1.8 V)
VBAT
Reset (RSTN)
(IC501_77pin)
BBIC chip initialize
(CKM/STM)
AC adapter
+5.5V
Battery
Charge
Control
Circuit
DCDC
converter
IC302
VDD3
VBAT
Q301
VDD1
+1.8V
QSPI FLASH
IC502
TAM FLASH
IC601
RF Part
IC722
Bluetooth
unit
IC721
+1.8V
DCDC
converter
VDD6
4.0V
LCD module
VDD4
3.0V_CP1
LEDs
BBIC
IC501
3.0V_CP2
VDD5
Sub IC
IC421
LCD bac
k
light
Содержание KX-TGF350N
Страница 83: ...83 KX TGF350N KX TGF352N KX TGF353N KX TG572SK KX TGF380M KX TGF382M KX TGF383M KX TGFA30N KX TGFA30M Memo ...
Страница 85: ...85 KX TGF350N KX TGF352N KX TGF353N KX TG572SK KX TGF380M KX TGF382M KX TGF383M KX TGFA30N KX TGFA30M Memo ...
Страница 87: ...87 KX TGF350N KX TGF352N KX TGF353N KX TG572SK KX TGF380M KX TGF382M KX TGF383M KX TGFA30N KX TGFA30M Memo ...
Страница 90: ...90 KX TGF350N KX TGF352N KX TGF353N KX TG572SK KX TGF380M KX TGF382M KX TGF383M KX TGFA30N KX TGFA30M Memo ...
Страница 94: ...94 KX TGF350N KX TGF352N KX TGF353N KX TG572SK KX TGF380M KX TGF382M KX TGF383M KX TGFA30N KX TGFA30M Memo ...
Страница 96: ...96 KX TGF350N KX TGF352N KX TGF353N KX TG572SK KX TGF380M KX TGF382M KX TGF383M KX TGFA30N KX TGFA30M Memo ...
Страница 98: ...98 KX TGF350N KX TGF352N KX TGF353N KX TG572SK KX TGF380M KX TGF382M KX TGF383M KX TGFA30N KX TGFA30M Memo ...