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THV6531 Datasheet(PDF) 1 Page - THine Electronics, Inc. |
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THV6531 Datasheet(HTML) 1 Page - THine Electronics, Inc. |
1 / 11 page THine Electronics, Inc. 1/11 THL6531_Rev.1.01_E Copyright© 2013 THine Electronics, Inc. All rights reserved. VIN VREF LX VGH_OUT PGND VGH_FB AGND1 VGL_FB VGL_OUT Detector AVDD AVDD Boost DOUT DIN FB PC AVDD AMP_NON AMP_OUT VLS VGH VGL VLS VREF V_VGH GOUT GR Gate slope VGHM GIN GDELAY VCC AGND2 AMP_INV UVLO VIN VCC VCOM OSC OSC 1/2OSC OSC 1/2OSC 1/2OSC VIN VREF LX VGH_OUT PGND VGH_FB AGND1 VGL_FB VGL_OUT Detector AVDD AVDD Boost DOUT DIN FB PC AVDD AMP_NON AMP_OUT VLS VGH VGL VLS VREF V_VGH GOUT GR Gate slope VGHM GIN GDELAY VCC AGND2 AMP_INV UVLO VIN VCC VCOM OSC OSC 1/2OSC OSC 1/2OSC 1/2OSC THV6531 Boost converter / 2 channel charge pump Description THV6531 is a controller IC power supply system with boost converter and 2 channel charge pump circuit. The positive and negative charge pumps provide regulated TFT LCD gate-on and gate-off supplies. The chip includes a VCOM buffer and a gate slop circuit. Soft start / Over current protection / Under voltage lock out protection / Thermal shut down are built in. Mounted area is reducible by 24-pin QFN. Application ・ Mobile phone display ・ Car Navigator display ・ Laptop/Netbook/Tablet PC display Pin Configuration Features ・ Input voltage range : 2.5V – 5.5V ・ Boost converter Maximum output voltage : 18V Switching limit current : 2.5A Feedback voltage accuracy : +/-1% Switching frequency : 1.2MHz ・ Positive charge pump Feedback voltage accuracy : +/-1.5% Switching frequency : 600kHz ・ Negative charge pump Feedback voltage accuracy : +/-5% Switching frequency : 600kHz ・ Operational amplifier Output short-circuit current : +/-200mA ・ Gate slop ・ Detector ・ Protection circuit Soft start Over current protection Under voltage lock out protection Thermal shut down ・ 4mm x 4mm QFN 24pin package Block Diagram 1 2 3 4 12 11 10 9 5 6 7 8 Exposed Thermal Pad AMP_NON AMP_INV AMP_OUT AGND2 PC DIN AGND1 VCC (Top view) 25 GNDEXP 18 17 16 15 14 13 19 20 21 22 24 23 AVDD VGH_OUT FB PGND 1 2 3 4 12 11 10 9 5 6 7 8 Exposed Thermal Pad AMP_NON AMP_INV AMP_OUT AGND2 PC DIN AGND1 VCC (Top view) 25 GNDEXP 18 17 16 15 14 13 19 20 21 22 24 23 AVDD VGH_OUT FB PGND 1 2 3 4 12 11 10 9 5 6 7 8 Exposed Thermal Pad AMP_NON AMP_INV AMP_OUT AGND2 PC DIN AGND1 VCC (Top view) 25 GNDEXP 18 17 16 15 14 13 19 20 21 22 24 23 AVDD VGH_OUT FB PGND 1 2 3 4 12 11 10 9 5 6 7 8 Exposed Thermal Pad AMP_NON AMP_INV AMP_OUT AGND2 PC DIN AGND1 VCC (Top view) 25 GNDEXP 18 17 16 15 14 13 19 20 21 22 24 23 AVDD VGH_OUT FB PGND |
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