TOKYO — (BUSINESS WIRE) — June 4, 2015 — Toshiba Corporation's (TOKYO: 6502) Semiconductor & Storage Products Company today announced the start of mass production of “TC7735FTG”, a system power supply IC with 5 different voltage power outputs, for the medium-sized LCD modules typically used in car navigation systems.
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Toshiba: System power supply IC "TC7735FTG" for medium-sized LCD used in car navigation systems (Photo: Business Wire)
The IC integrates an automatic buck-boost DC-DC converter, which provides stable power supply to LCD panels with a wide operating voltage range, from 4.5 to 16V. This feature supports power supply directly connected from car batteries and suits car navigation systems.
The IC integrates an OTP memory[1], allowing it to store different power control set-up data adjusted for each LCD module, removing the need for adjustment of the system by external control.
Key Features
- 5 built-in power outputs.
- Wide operating voltage range, from 4.5 to 16V.
- Selectable switching frequency: built-in oscillator (1MHz) or external clock input (400kHz-1.2MHz)
- Automatic buck-boost converter that identifies input voltage and selects operation mode (buck or boost), eliminating control by external command.
- Built-in OTP for adjustable power control of each LCD
- Safety functions: input under-voltage detection; Input over-voltage detection; thermal shutdown; and output over-voltage detection
Application examples
LCD modules for car navigation systems and digital photo frames
Main Specifications |
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Part Number | TC7735FTG | |||
Operating Temperature | Topr | -40 to 85 degree C | ||
Operating Voltage | Vin | 4.5 to 16V | ||
Setting | Built-in OTP write |
Output voltage
Power sequence |
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Output Voltage Range | CH1:Automatic Buck-Boost DC-DC converter | 5V to 15V | ||
CH2: Buck DC-DC converter | 3V to 5V | |||
CH3: Positive charge pump | 14V to 22V | |||
CH4: Negative charge pump | -5V to -15V | |||
Operational amplifier for VCOM |
0.5 to 7.5V (Vout1-0.6V max)
* Vout1 is output voltage of CH1 |
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Package | QFN32pin(5mm x 5mm) | |||