TOKYO—Toshiba Electronic Devices & Storage Corporation ("Toshiba") today announced the launch of “TB67B000AHG,” a new three-phase brushless motor driver for home appliances such as air-conditioners, air-purifiers, dehumidifiers, and ceiling fans. The new driver is a high-voltage addition to the “TB67B000 series,” which realizes highly efficient brushless motor drive and noise reduction in a single package.

 

Demand is growing, particularly in emerging economies, for high-efficiency three-phase brushless fan motors that can reduce energy consumption and can manage fluctuations in power voltage. Such motors require higher-voltage PWM driver ICs to maintain high product reliability.

 

Toshiba’s newly developed 600V TB67B000AHG driver IC is pin-compatible with the current 500V TB67B000HG and can easily replace it. Toshiba is also developing the more compact version “TB67B000AFG” in a small 34-pin HSSOP [1] package which will be available in November 2019.

Main Features

Applications

Home appliances such as air-conditioners and air-purifiers, dehumidifiers, ceiling fans, and other industrial equipment.

Main Specifications

Product name

New product

TB67B000AHG

Under development

TB67B000AFG

Current product

TB67B000HG

Current product

TB67B000FG

Power supply voltage

(absolute maximum ratings)

For motor operation: 600V For motor operation: 500V
For controller: 18V
Package

HDIP30

(Mounting area: 32.8 × 13.5mm)

HSSOP34

(Mounting area: 17.5 × 11.93mm)

HDIP30

(Mounting area: 32.8 × 13.5mm)

HSSOP34

(Mounting area: 17.5 × 11.93mm)

Power supply voltage

(operation range)

For motor operation: 50 to 450V
For controller: 13.5 to 16.5V

Output current

(operation range)

2A
Driving method Sine-wave PWM drive/Trapezoidal commutation
PWM frequency 14kHz to 23kHz
Lead angle control

Sine-wave PWM drive: 0 to 58°/32 steps

Trapezoidal commutation: 0 to 28°/16 steps

Input voltage for rotational speed command Motor operation: 2.1V to 5.4V
Features
  • Built-in IGBT three-phase bridge
  • Built-in oscillation circuit (resistor connected externally.)
  • Built-in bootstrap diode
  • Built-in error detection functions: current limiter, thermal shutdown, under voltage lock out, and motor lock detection
  • Built-in regulator circuit
    (5 V/35 mA , 5 V /30 mA)
  • Built-in regulator circuit
    (5 V/35 mA , 7 V /30 mA)


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