TC7734FTG TOSHIBA CMOS Integrated Circuit Silicon Monolithic
●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.
●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
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Silicon Monolithic CMOS Integrated Circuit 、 Power Management System IC |
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Datasheet |
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Please see the document for details |
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P-VQFN64-0909-0.50-001 |
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English Chinese Chinese and English Japanese |
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2015-6-5 |
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3.7 MB |
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