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Toshiba expands line-up of illumination LED driver ICs

Toshiba expands line-up of illumination LED driver ICs

Mar 10, 2017: Storage & Electronic Devices Solutions Company today announced the launch of “TB62D787FTG,” a new LED driver IC with a single-wire input and 24-channel output, for amusement equipment and LED illumination applications. Sample shipments start today with mass production scheduled to start in June.

The new product, like Toshiba’s 9-channel output IC “TB62D786FTG,” integrates a single-wire Manchester-encoded interface. A linear regulation circuit (5V output) with up to 28V input, and daisy-chain pins for communication data are also incorporated. As a result, the extendibility of the LED driver unit is improved with only 3-wire inputs (a single power supply, data, and ground).
Also, adding communication modes, which are switched by 6- and 12-channel outputs, improves compatibility of the new 24-channel output IC with controllers.

The IC is housed in a compact package (VQFN40) with a heat dissipation pad on the back is provided, allowing downsizing of the LED unit board.

Also Read: LED driver market to grow at higher CAGR due to green initiatives

The line-up of the new product and 9-channel output products broadens the range of IC selections according to the conditions such as the number of LED lights, the size of the LED unit, the setting place of the target device.

Main features of new product

Built-in single-wire interface
Communication modes switched by 6- and 12-channel outputs
Built-in daisy-chain pins for communication data
Linear regulation circuit (5V output) with up to 28V input
Compact package (VQFN40 with a heat dissipation pad on the back)

Main Specifications

Part
number

TB62D787FTG

Input
signal

Single-wire input (5V system CMOS), transfer frequency: 0.5MHz to 2MHz

Power
supply
voltage

Built-in linear regulator: 7 to 28V input, 5V output

IC control voltage: 4.5 to 5.5 V (supplied from liner regulator circuit or external power)

LED
output

Constant current driver with 24-channel output: 28V/85mA (max), constant current driver (5mA to 40mA, recommended)

Illumination can be controlled with the PWM gradation from 0 to 127 (128 steps)

Hardcoded
IDs

Up to 64 driver IDs
Package P-VQFN40-0606-0.50-001

Sample
price

180 yen (tax included)
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