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
 Built-in Current Mode DCDC Boost Converter
 2-Ch Constant Current LED Driver
 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