TB6674FG(Z,8,EL) Toshiba

TB6674FG TOSHIBA BiCD Integrated Circuit Silicon Monolithic TB6674FG Stepping Motor Driver IC TB6674FG 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. Features HSOP16-P-300-1.00 One-chip two-phase bipolar stepping motor driver (including two bridge drivers) Weight: 0.50 g (typ.) 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 IN A, IN B, PS, and V terminals S2B ON resistance PS = L : 2.9 (Typ.) PS = H: 7.9 (Typ.) High driving ability. : I 350 mA (MAX) : V ENABLE O (START) S1 : I 100 mA (MAX) : V ENABLE O (HOLD) S2 Typical PKG HSOP16 pin GND terminal = HEAT SINK Over current shutdown circuit (ISD). Thermal shutdown circuit (TSD). Under voltage lockout circuit (UVLO). Pull-down resistance for input terminal (250 k). 2014-10-06 1 2014 TOSHIBA Corporation TB6674FG Block Diagram VVVS1S1S1AAA VVVS2S2S2BBB VVVS1S1S1BBB VVVS2S2S2AAA VVVCCCCCC 161616 888 999 111 333 BBB AAA 101010 151515 (A(A--chch)) (B(B--cch)h) CContontrrolol l logogiicc a andnd CContontrrolol l logogiicc a andnd BBrriidgedge dr driivveerr BBrriidgedge dr driivveerr 141414 111111 AAA BBB 444 INININ A A A 555 INININ B B B 666 PSPSPS FFFininin GGGNDNDND Note: TB6674FG: Terminals 2, 7, 12, and 13 are NC. TB6674FG: The heat fin is connected to GND. Pin Description Pin No. Symbol Functional Description 1 V Low-voltage power supply terminal S2A 3 V Power voltage supply terminal for control CC A-ch forward rotation / reverse rotation signal input 4 IN A terminal, Truth Table 1 F GND GND terminal (Logic GND) F GND GND terminal (Logic GND) B-ch forward rotation / reverse rotation signal input 5 IN B terminal, Truth Table 1 6 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 F GND GND terminal (Power GND) F GND GND terminal (Power GND) 14 A Output 15 A Output A 16 V High-voltage power supply terminal. S1A 2014-10-06 2 2014 TOSHIBA Corporation