TB6674FG

TB6674PG, TB6674FG, TB6674FAG

TB6674PG, TB6674FG, and TB6674FAG are stepping motor driver ICs with MOS output transistors. 

The ICs can control two-phase stepping motor forward and reverse by bipolar driving. They have a power-saving circuit and a standby circuit.

Features  

•  They are similar substituting products of TA7774PG, TA7774FG, and TA7774FAG. Both products have same packages and same pin assignments.

•  One-chip two-phase bipolar stepping motor driver (including two bridge drivers) z 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 ability.: IO (START) 350 mA (MAX.) : VS1 ENABLE : IO (HOLD) 100 mA (MAX.) : VS2 ENABLE: IO (START) 100 mA (MAX.) : VS1 ENABLE : IO (HOLD) 50 mA (MAX.) : VS2 ENABLE 

• Typical PKG DIP16 pin, HSOP16 pin, SSOP16 pin z GND terminal = HEAT SINK z Process :BiCD0.6 (30 V) 

• Over current shutdown circuit (ISD). 

• Thermal shutdown circuit (TSD).

• Undervoltage lockout circuit (UVLO). 

• Pull-down resistance for input terminal (250 kΩ). 

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方向：

Stepping Motor Driver IC