PT6593 Datasheet | PTC

Features - LCD drive output: mon output: 4, Segment output : 49 - Integrated Display data RAM (DDRAM): RAM:49x4 bit - Integrated 3ch LED driver circuit - 3-wire Serial interface (SD, SCL, CSB) - Segment/LED (Max 3 ports) output mode selectable - Segment/GPO (Max 31 ports) output mode selectable - Support PWM generation from ext. or internal clock (Resolution: 8 bits mode/12 bits mode selectable) - Integrated Oscillator circuit - Integrated LCD Voltage generator circuit - Support: 1/3 Bias, 1/3 or 1/4 Duty - Support: 1/1 Bias, 1/1Duty (Static Driving) - Bias: Static, 1/3 - Integrated regulator for LCD driver: 3.2, 3.3, 3.4, 4.4, 4.5, 4.6, 5.0V selectable BLOCK DIAGRAM PT6593 Multifunction LCD Segment Drivers - Integrated buffer amp - Support separate power supply for Logic (VDD) and LCD (VLCD) - Low power consumption - Support standby mode - Integrated Power-On-Reset circuit (POR) - No external ponents - Support Blink function (Blink frequency 1.6, 2.0, 2.6, 4.0Hz selectable) - Operating power supply: 1.8 ~ 3.6V - LCD drive power supply: 3.3 ~ 5.5V APPLICATIONS - Telephone, FAX, Portable equipment (POS, ECR, PDA etc.) - DSC, DVC, Car audio, Home electrical appliance, Meter equipment...