參數(shù)資料
型號(hào): S6D0110
廠商: SAMSUNG SEMICONDUCTOR CO. LTD.
英文描述: 132 RGB Source & 176 Gate Driver With Internal GRAM FOR 65,536 Colors TFT-LCD
中文描述: 132的RGB源
文件頁(yè)數(shù): 21/108頁(yè)
文件大小: 595K
代理商: S6D0110
S6D0110 132 RGB SOURCE & 176 GATE DRIVER WITH INTERNAL RAM FOR 65K COLORS TFT-LCD
Preliminary
21
Power Supply Circuit
Figure 2 shows a configuration of the voltage generation circuit for S6D0110. The step-up circuits consist of step-
up circuits 1 to 4. Step-up circuit 1 doubles or triples the voltage supplied to Vci1, and that voltage is doubled, tripled,
or quadrupled in step-up circuit 2. Step-up circuit 3 reverses the VGH level with reference to VSS or VBS and
generates the VGL level. Step-up circuit 4 reverses the Vci level with reference to VSS and generates the VCL level.
These step-up circuits generate power supplies AVDD, GVDD, VGH, VGL, Vgoff, and Vcom. Reference voltages
GVDD, Vcom, and Vgoff for the grayscale voltage are amplified in amplification circuits 1 and 2 from the internal-
voltage adjustment circuit or the REGP or REGN voltage, and generate each level depending on that voltage.
Connect Vcom to the TFT panel.
Amplfiication
circuit2
(Vgoff
adjustment)
Amplification
circuit1
(VDH
adjustment)
VcomH
acircuit
Vcom
amplitude
adjustment
circuit
VDHout
Voltage
adjustment
circuit
Regulator
Vciout
Vci
Vci
VcomR
VDH output
amplifier
VDH
Step-up
circuit 1
Step-up
circuit 2
Step-up
circuit 3
VREG2
OUT
VREG1
OUT
VREG2
VREG1
REGP
REGN
Adjust VcomH
uvoltage (when
variable resistor)
Vci
When
using
Vci1
C11-
C11+
C12-
C12+
VLOUT1
DDVDH
Vci2
C21-
C21+
C22-
C22+
C23-
C23+
VLOUT2
VGH
Vci3
C31-
C31+
VLOUT3
VGL
Vci4
C41-
C41+
VLOUT4
VCL
VGL
VGH
DDVDH
VcomH
output
amplifier
VcomL
output
amplifier
VcomH
Vcom
VcomL
VgoffH
output
amplifier
VgoffL
output
amplifier
VgoffH
Vgoffout
VgoffL
VgoffH
amplitude
adjustment
circuit
Vss
Vss
Vci
Vdd
Step-up
circuit 4
Figure 5. Configuration of the Internal Power-Supply Circuit
Notes:
Use the 1uF capacitor.
相關(guān)PDF資料
PDF描述
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參數(shù)描述
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