TC7734FTG

TC7734FTG TOSHIBA CMOS Integrated Circuit Silicon Monolithic TC7734FTG Power Management System IC 1. DESCRIPTION TC7734FTG is a complete power supply solution for portable devices that include 4 DCDC Buck Converters, 3 LDOs, 2-ch LED Driver and built-in Switching Charger function. Most of the outputs can be controlled by I2C bus for various programmable settings. 2. FEATURES Operating voltage: 3.4 V to 5.5 V 4 ch DCDC converter (DCDC1 to DCDC4)  Synchronous Current Mode Buck Converters  DCDC1-4 Optional 2-Phase Switching Reduces Input Peak Current  Built-in compensation circuit: DCDC1 to DCDC4 3 ch LDO(LDO1 to LDO3) LED Driver P-VQFN64-0909-0.50-001  Built-in Current Mode DCDC Boost Converter  2-Ch Constant Current LED Driver Weight: 0.192 g (typ.)  Sink Current: up to 80 mA/ch with LED voltage up to 20 V  Output Current Accuracy: +/- 5% (ILED = 20 mA)  LED1 and LED2 Regulation Voltage: 0.4 V  PWM dimming, I2C Controlled 32 steps with 195Hz fixed dimming frequency  LED Driver Protection Circuit  Over Voltage Detection (OVD)  Output Open Detection (OOD)  Output Short Detection (OSD) Battery Charger Function  USB Host and USB Charger Adaptor Detections for Optimum Charge Current for SDP, CDP, DCP and Other)  DCIN Input Over Voltage Protection (OVP): 5.8 V (typ.) * Maximum voltage of DCIN terminal is defined by 6 V.  Power Path Function  1.5 A Switching Charger with Built-in Power MOSFETs Output Descriptions: Output Adj Vout...