Sharp LC-32D44E - Ic8202 (Vhibu55041+-1 Y); Ic8402 (Vhibd8162 Ek-1 Q)

LC32D44E/S/RU-BK/GY (1st Eddition)
5 – 22
16. IC8202 (VHIBU55041+-1Y)
Nonvolatile VCOM calibrator
• 128-gradation current output possible
• I2C interface adopted
17. IC8402 (VHIBD8162EK-1Q)
Multi-channel system power supply IC
• 6-channel output system power supply with a built-in POWER FET
• 4ch gradation buffer amp + Built-in common amp
16 OUT2 O Gradation voltage output terminal 2.
17 OUT3 O Gradation voltage output terminal 3.
18 OUT4 O Gradation voltage output terminal 4.
19 OUT5 O Gradation voltage output terminal 5.
20 AGND --- Buffer amplifier ground.
21 AGND --- Buffer amplifier ground.
22 OUT6 O Gradation voltage output terminal 6.
23 OUT7 O Gradation voltage output terminal 7.
24 OUT8 O Gradation voltage output terminal 8.
25 OUT9 O Gradation voltage output terminal 9.
26 OUT10 O Gradation voltage output terminal 10.
27 OUT11 O Gradation voltage output terminal 11.
28 VCC --- Buffer amplifier power supply.
29 REFIN O DAC reference input.
30 VDAC O DAC voltage output.
31 DACGND --- Ground for DAC.
32 N.C --- No Connect.
Pin No. Pin Name I/O Pin Function
1 IOUT O 128 Step current output terminal.
2 AVDD --- Power supply terminal 2.
3WPB I
Rewriting protection terminal. Enable at WPB=L
Rewriting is "H" level (VDD).
4 VSS --- Ground terminal.
5 VDD --- Power supply terminal 1.
6 SDA I/O I2C data in-output terminal.
7 SCL I I2C clock terminal.
8 SET --- Maximum current setting terminal.
Pin No. Pin Name I/O Pin Function
1 PGND3 --- Ground terminal.
2 PG3 O Power good output 3.
3 DTC3 I Duty control terminal 3.
4 COMP3 O Error margin amplifier output 3.
5 FB3 I Feedback input 3.
6 PVCC3 --- Power supply terminal.
7 LDFB3 I LDO feedback input 3.
8 LDCTL3 I LDO control terminal 3.
9 LDO3 O LDO output 3.
10 IN1 I AMP input 1.
11 IN2 I AMP input 2.
12 IN3 I AMP input 3.
13 IN4 I AMP input 4.
14 IN+ I COM input -.
15 IN- I COM input +.
16 VCOM O COM output.
17 OUT4 O AMP output 4.
18 OUT3 O AMP output 3.
19 OUT2 O AMP output 2.
20 OUT1 O AMP output 1.
21 HGND --- Ground terminal.
22 CPFB2 I Charge pump feedback 2.
23 CPCTL I CP control input.
24 C2 O Charge pump output 2.
Pin No. Pin Name I/O Pin Function