TPS65632

Product Folder Sample & Buy Technical Documents Tools & Software Support & Community TPS65632 SLVSCY2A – MARCH 2015 – REVISED JANUARY 2016 TPS65632 Triple-Output AMOLED Display Power Supply 1 Features 1 2.9-V to 4.5-V Input Voltage Range Boost Converter 1 (VPOS) – 4.6-V Output Voltage – 0.5% Accuracy (25°C to 85°C ) – Dedicated Output Sense Pin – 300-mA Output Current Inverting Buck-Boost Converter (VNEG) – –1.5-V to –5.4-V Programmable Output Voltage – –4-V Default Output Voltage – 300-mA Output Current Boost Converter 2 (AVDD) – 5.8-V or 7.7-V Output Voltage – 30-mA Output Current Excellent Line Transient Regulation Short-Circuit Protection Thermal Shutdown 3-mm × 3-mm, 16-Pin WQFN Package spacer spacer spacer Simplified Schematic L1 4.7 µH VI 2.9 V to 4.5 V C1 3×10 µF Enable AVDD Enable / Program VNEG AVDD 7.7 V / 30 mA C6 10 µF C5 100 nF L2 10 µH PVIN AVIN SWP1 OUTP1 FBS TPS65632 SWP2 EN CTRL OUTP2 SELP2 AGND PGND1 PGND2 OUTN SWN CT C2 10 µF VPOS 4.6 V / 300 mA VNEG ±4.0 V / 300 mA C3 2×10 µF L3 4.7 µH C4 100 nF 2 Applications AMOLED Displays 3 Description The TPS65632 is designed to drive AMOLED displays (Active Matrix Organic Light Emitting Diode) requiring three supply rails, VPOS, VNEG and AVDD. The device integrates a boost converter for VPOS, an inverting buck-boost converter for VNEG, and a boost converter for AVDD, all of which are suitable for battery operated products. The digital control pin (CTRL) allows programming the...