Toshiba Launches Dual-input Power Multiplexer ICs with Protection Features for Power Supplies

TOKYO — (BUSINESS WIRE) — March 10, 2015Toshiba Corporation’s (TOKYO:6502) Semiconductor & Storage Products Company today announced the launch of power multiplexer ICs that can switch between two power sources, for use in charging circuits of mobile devices. Shipment of the new “TCK32xG series” starts from today.

Toshiba Power Multiplexer IC "TCK32xG series" (Photo: Business Wire)

Toshiba Power Multiplexer IC "TCK32xG series" (Photo: Business Wire)

The new products can switch power sources through external signals and also through a built-in auto selection mode function[1], which switches sources automatically according to priorities programmed in advance.

Over voltage lock out (OVLO)[2], reverse current blocking and other protection features used in safety designs are built-in, and will contribute to creating safer and more reliable power source switching solutions.

Applications:

  • Charging circuits of mobile devices including smartphones, tablets and wearable devices.
  • Electronic devices with dual-input power supply systems, such as AC adapters and USB.

Main Specifications:

  • Output current (max): 2A
  • Input voltage (max): 36V
  • Built-in protection features: Reverse current blocking circuit, thermal shutdown circuit, etc.
  • Small package size: 0.5mm pitch, 1.9 x 1.9mm WCSP type package
 

Line-up:

Part Number   Package   VIN (max)    IOUT (max)   Input Priority   Auto Selection Mode  

OVLO Level (typ.)

  Flag Operation
Monitored Input   Active Indication Level
TCK321G WCSP16C (1919) 36V 2A VIN A Built-in 12.0V VIN A Low
TCK322G 15.0V VIN A Low
TCK323G             15.0V   VIN B   Low
 

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