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TB6674FAG Datasheet Stepping Motor Driver Ic

Manufacturer: Toshiba

Overview: TOSHIBA BiCD Integrated Circuit Silicon Monolithic TB6674FAG TB6674FAG Stepping Motor Driver IC TB6674FAG is a stepping motor driver IC with MOS output transistors. The IC can control two-phase stepping motor forward and reverse by bipolar driving. A power-saving circuit and a standby circuit are included.

General Description

Pin No.

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 Symbol VS2A VCC IN A GND GND IN B PS VS2B VS1B ΦB ΦB GND GND ΦA ΦA VS1A Functional Description Low-voltage power supply terminal Power voltage supply terminal for control A-ch forward rotation / reverse rotation signal input terminal, Truth Table 1 GND terminal (Logic GND) GND terminal (Logic GND) B-ch forward rotation / reverse rotation signal input terminal, Truth Table 1 Power saving signal input terminal Standby signal input terminal, Truth Table 2 High-voltage power supply terminal Output B Output B GND terminal (Power GND) GND terminal (Power GND) Output Α Output A High-voltage power supply terminal.

2 2014-10-15 Truth Table 1.

Key Features

  • SSOP16-P-225-1.00A.
  • One-chip two-phase bipolar stepping motor driver (including two bridge drivers) Weight: 0.14 g (Typ. ).
  • Power saving operation is available.
  • Standby operation is available. Current consumption ≤ 20 μA (typ. ).
  • Built-in punch-through current restriction circuit for system reliability and noise suppression.
  • TTL-compatible inputs INA, INB, PS, and Vs2B terminals.
  • ON resistance PS = L : 2.9 Ω (Typ. ) PS = H: 7.9 Ω (Typ. ).
  • High driving.

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TB6674FAG Distributor