TB6674FAG,8,EL Toshiba

TB6674FAG TOSHIBA BiCD Integrated Circuit Silicon Monolithic 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. SSOP16-P-225-1.00A Features Weight: 0.14 g (Typ.) One-chip two-phase bipolar stepping motor driver (including two bridge drivers) Power saving operation is available. Standby operation is available. Current consumption 20 A (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 (Typ.) PS = H: 7.9 (Typ.) High driving ability. : I 100 mA (MAX) : V ENABLE O (START) S1 : I 50 mA (MAX) : V ENABLE O (HOLD) S2 Typical PKG SSOP16 pin Over current shutdown circuit (ISD). Thermal shutdown circuit (TSD). Under voltage lockout circuit (UVLO). Pull-down resistance for input terminal (250 k). 2014-10-15 1 2014 TOSHIBA Corporation TB6674FAG Block Diagram (A-ch) (B-ch) Bridge driver Control logic and Control logic and Bridge driver Bridge driver Pin Description Pin No. Symbol Functional Description 1 V Low-voltage power supply terminal S2A 2 V Power voltage supply terminal for control CC A-ch forward rotation / reverse rotation signal input 3 IN A terminal, Truth Table 1 4 GND GND terminal (Logic GND) 5 GND GND terminal (Logic GND) B-ch forward rotation / reverse rotation signal input 6 IN B terminal, Truth Table 1 7 PS Power saving signal input terminal 8 V Standby signal input terminal, Truth Table 2 S2B 9 V High-voltage power supply terminal S1B 10 B Output B 11 B Output B 12 GND GND terminal (Power GND) 13 GND GND terminal (Power GND) 14 A Output 15 A Output A 16 V High-voltage power supply terminal. S1A 2014-10-15 2