Toshiba Launches Illumination LED Driver IC with Single-Wire Input

- Built-in LDO and daisy-chain pins realize downsizing of LED modules

TOKYO — (BUSINESS WIRE) — June 30, 2016Toshiba Corporation's (TOKYO: 6502) Storage & Electronic Devices Solutions Company today announced the launch of “TB62D786FTG”, a new LED driver IC with single-wire input and 9-channel output, for amusement equipment and LED illumination applications. Full-scale production is scheduled to start this autumn.

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A new LED driver IC "TB62D786FTG" with single-wire input and 9-channel output. (Photo: Business Wire ...

A new LED driver IC "TB62D786FTG" with single-wire input and 9-channel output. (Photo: Business Wire)

The new product adopts a single-wire Manchester-encoded interface, which is generally used for wireless communications, and the number of input signals is reduced to one. In addition, built-in daisy-chain pins and a linear regulation circuit (LDO, 5V output) with up to 28V input improve the extendibility of the LED driver unit.

In a typical system, power supply has to be supplied to LED driver ICs and LEDs separately. Using the new product, the number of wires between a microcontroller (or a controller) and an LED driver unit mounting the new driver can be reduced to four wires (single power supply, single-wire input, single-wire daisy-chain output, and GND), and a single supply voltage operation unit with less wiring can be created with a compact package (VQFN24). This also allows the size of the LED unit board to be downsized.

Main Features of New Product
- Built-in single-wire interface
- Built-in daisy-chain pins
- Linear regulation circuit (LDO, 5V output) up to 28V input
- Compact package (VQFN24)


Main Specifications of New Product

Part number   TB62D786FTG
Input signal Single-wire input (5V system CMOS), transfer frequency 0.5MHz to 2MHz

Power supply

Built-in linear regulator (5V): 7 to 28V input

IC control voltage: 4.5 to 5.5 V

LED output 28V×85mA×9 channels constant current driver (5mA to 40mA recommended)

Illumination can be controlled with the PWM gradation, from 0 to 127

Hardcoded IDs Up to 64 driver IDs
Package P-VQFN24-0404-0.50-001
Sample price   110 yen (tax included)

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