EM83040A Application note SUBJECT: 1. EM83040A 使用外加電壓線路應用電路圖 2. 外加電壓驅動電路之電流—電壓曲線(I-V curve) Application circuits 1. 32common * 48segment LC D 3 2*48 C31 C0 S47 VD D O 80.....O 1 S0 LO AD NC GND VOUT VIN U1 10μF GND 10μF VD D M AIN VSS3 VD D M1 VSS2 VD D M0 CB EN CA NC NC R AM EN M CU R AM AD S R AM W VREG NC 1μ F VDD 1 8 2 7 3 4 HT7660 6 D1 D2 V lcd R AM R V1 R AM D (3:0) V2 V3 Ilcd V4 5 10μF V5 10μF Figure 1. Brad Chen 1 May 31, 2002 EM83040A Application note 2. 32common * 128segmet C31 LC D 32*128 C0 S127 O 80.....O 1 LO AD VD D S79 S80 LO AD VD D GND VIN Vout U1 10μ F GND 10μ F M AIN VSS3 VD D M1 VSS2 M0 CB NC EN CA NC M AIN VSS3 NC VD D M1 VSS2 NC VD D M0 CB NC EN CA NC R AM W VREG NC 8 2 7 3 4 HT7660 6 D1 D2 V lcd R AM EN _S M CU R AM AD S VDD 1 NC R AM AD S R AM W VREG R AM R V1 R AM R V1 R AM D (3:0) V2 R AM D (3:0) V2 Ilcd 5 10μ F LO AD VSS R AM EN _M M CU O 80.....O 1 LO AD GND VD D VD D S0 10μ F V3 V3 V4 V4 V5 V5 MASTER CO N N EC T TO M ASTER C H IP SLAVE Figure 2. Brad Chen 2 May 31, 2002 EM83040A Application note 3. 48common * 112 segment C47 LC D 48*112 C0 S80 O 80.....O 1 LO AD VD D S111 S79 LO AD VD D GND VIN VOUT U1 10μF GND M AIN VSS3 VD D M1 VSS2 LO AD M0 CB NC EN CA NC GND M AIN VSS3 NC VD D M1 VSS2 NC GND M0 CB NC EN CA NC R AM W VREG NC R AM EN _M M CU O 80.....O 1 LO AD GND VD D GND 10μF S0 R AM EN _S M CU R AM AD S NC R AM AD S R AM W VREG R AM R V1 R AM R V1 R AM D (3:0) V2 R AM D (3:0) V2 VDD 1 8 2 3 4 7 HT7660 6 D1 D2 V lcd Ilcd 5 V3 V3 V4 V4 V5 V5 10μF MASTER SLAVE Figure 3 Brad Chen 3 May 31, 2002 CONNECT TO M ASTER C H IP EM83040A Application note I-V Curve 此部分經由改變前面之應用電路裏的元件 U1,D1,D2, 配合 VIN 電壓工作範圍，可得到 6 種可供應用之電壓(Vlcd)與 驅動電流(Ilcd)曲線，如㆘表所示。 Table 1 Case 1 2 3 4 5 6 VIN 3.6~5 V 3.6~5V 3.6~5V 3.3~5 V 3.3~5 V 3.3~5 V U1 HT7133 HT7133 HT7133 HT7130 HT7130 HT7130 D1(Diode) 1N4004 1N4004 1N5819 1N4004 1N4004 1N5819 D2(Diode) 1N4004 1N5819 1N5819 1N4004 1N5819 1N5819 VOUT 3.3V 3.3V 3.3V 3V 3V 3V Diagram Figure 4 Figure 5 Figure 6 Figure 7 Figure 8 Figure 9 Condition: at +25℃ I-V Curve U1 (HT7133), D1 (1N4004), D2 (1N4004) 6.05 6 5.95 5.9 5.85 5.8 Vlcd (Volt) 5.75 5.7 5.65 5.6 5.55 5.5 5.45 5.4 5.35 5.3 5.25 0 50 100 150 200 250 300 350 400 450 500 550 600 650 700 750 800 850 900 950 Ilcd (uA) Figure 4. Case 1 Brad Chen 4 May 31, 2002 EM83040A Application note I-V Curve U1 (HT7133), D1 (1N4004), D2 (1N5819) 6.3 6.25 6.2 6.15 Vlcd (Volt) 6.1 6.05 6 5.95 5.9 5.85 5.8 5.75 5.7 0 50 100 150 200 250 300 350 400 450 500 550 600 650 700 750 800 850 900 950 1000 Ilcd (uA) Figure 5. Case 2 I-V Curve U1 (HT7133), D1 (1N5819), D2 (1N5819) 6.55 6.5 6.45 Vlcd (Volt) 6.4 6.35 6.3 6.25 6.2 6.15 6.1 0 50 100 150 200 250 300 350 400 450 500 550 600 650 700 750 800 850 900 950 100 105 0 0 Ilcd (uA) Figure 6. Case 3 Brad Chen 5 May 31, 2002 EM83040A Application note I-V Curve U1(HT7130), D1 (1N4004), D2 (1N4004) 5.45 5.4 5.35 5.3 5.25 Vlcd (Volt) 5.2 5.15 5.1 5.05 5 4.95 4.9 4.85 4.8 4.75 4.7 0 50 100 150 200 250 300 350 400 450 500 550 600 650 700 750 800 850 800 850 900 Ilcd (uA) Figure 7. Case 4 I-V Curve U1 (HT7130), D1 (1N4004), D2 (1N5819) 5.7 5.65 5.6 5.55 Vlcd (Volt) 5.5 5.45 5.4 5.35 5.3 5.25 5.2 5.15 5.1 0 50 100 150 200 250 300 350 400 450 500 550 600 650 700 750 Ilcd (uA) Figure 8. Case 5 Brad Chen 6 May 31, 2002 EM83040A Application note I-V Curve U1(HT7130), D1 (1N5819), D2 (1N5819) 6 5.95 5.9 Vlcd (Volt) 5.85 5.8 5.75 5.7 5.65 5.6 5.55 5.5 0 50 100 150 200 250 300 350 400 450 500 550 600 650 700 750 800 850 900 950 Ilcd (uA) Figure 9 Brad Chen Case 6 7 May 31, 2002