![](http://pdfasset.owneriq.net/4/f3/4f3fb7a0-ced2-4f3a-8268-27da311d8233/4f3fb7a0-ced2-4f3a-8268-27da311d8233-bg46.png)
PMIC
TPS65178
Boost Converter
Buck 1 converter(VCC)
Buck 2 converter(Vcore)
Buck 3 converter(HVdd)
Buck 4 converter(VCC18)
Positive Charge Pump Controller
Negative Charge Pump Controller
6-Ch Gamma Buffer(DAC output)
Vcom reference & gain
Reset
PANEL_VCC
VCC18
VCC
HVdd
Vdd
VCOM_P
VCOM_N
GAM4/5/7/12/14/15
CTRLN
SWP
SWN
CTRLP
VCOM_LOOP
PMIC_RESET
Vcore
Level Shift
TPS65198
TR/
Diode
TR/
Diode
VGL
VGH
9. PMIC & Level Shift Bloc Diagram