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TB6674FAG Dataheets PDF



Part Number TB6674FAG
Manufacturers Toshiba
Logo Toshiba
Description BiCD Integrated Circuit Silicon Monolithic
Datasheet TB6674FAG DatasheetTB6674FAG Datasheet (PDF)

TB6674PG/FG/FAG TOSHIBA BiCD Integrated Circuit Silicon Monolithic TB6674PG, TB6674FG, TB6674FAG Stepping Motor Driver IC 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. TB6674PG Features z They are similar substituting products of TA7774PG, TA7774FG, and TA7774FAG. Both products have same packages and same pin.

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TB6674PG/FG/FAG TOSHIBA BiCD Integrated Circuit Silicon Monolithic TB6674PG, TB6674FG, TB6674FAG Stepping Motor Driver IC 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. TB6674PG Features z They are similar substituting products of TA7774PG, TA7774FG, and TA7774FAG. Both products have same packages and same pin assignments. z One-chip two-phase bipolar stepping motor driver (including two bridge drivers) z Power saving operation is available. z Standby operation is available. Current consumption ≤ 20 μA (typ.) z Built-in punch-through current restriction circuit for system reliability and noise suppression. z TTL-compatible inputs INA, INB, PS, and Vs2B terminals z ON resistance PS = L : 2.9 Ω (Typ.) PS = H: 7.9 Ω (Typ.) z 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 z Typical PKG DIP16 pin, HSOP16 pin, SSOP16 pin z GND terminal = HEAT SINK z Process :BiCD0.6 (30 V) z Over current shutdown circuit (ISD). z Thermal shutdown circuit (TSD). z Undervoltage lockout circuit (UVLO). z Pull-down resistance for input terminal (250 kΩ). The following conditions apply to solderability: About solderability, following conditions were confirmed (1)Use of Sn-37Pb solder Bath ·solder bath temperature: 230℃ ·dipping time: 5 seconds ·the number of times: once ·use of R-Type flux (2)Use of Sn-3.0Ag-0.5Cu solder Bath ·solder bath temperature: 245℃ ·dipping time: 5 seconds ·the number of times: once ·use of R-type flux TB6674FAG TB6674FG Weight DIP16-P-300-2.54A: 1.11 g (typ.) HSOP16-P-300-1.00: 0.50 g (typ.) SSOP16-P-225-1.00A: 0.14 g (typ.) 1 Ver.3 2010-07-07 Free Datasheet http://www.datasheet4u.com/ TB6674PG/FG/FAG Block Diagram Bridge driver Bridge driver TB6674PG/FAG / TB6674FG Note: TB6674FG: Terminals 2, 7, 12, and 13 are NC. TB6674FG: The heat fin is connected to GND. Pin Description Pin No. 1 / (1) 2 / (3) 3 / (4) 4 / (F) 5 / (F) 6 / (5) 7 / (6) 8 / (8) 9 / (9) 10 / (10) 11 / (11) Symbol VS2 A VCC IN A GND GND IN B PS VS2 B VS1 B φB 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 GND terminal 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 ΦB GND GND ΦA φA VS1 A Output B GND terminal GND terminal Output Α Output A High-voltage power supply terminal. 12 / (F) 13 / (F) 14 / (14) 15 / (15) 16 / (16) Pin No. of ( ) :TB6674FG 2 Ver.3 2010-07-07 Free Datasheet http://www.datasheet4u.com/ TB6674PG/FG/FAG Truth Table 1. Input PS L L H H IN L H L H φ L H L H Output Φ H L H L ENABLE ENABLE ENABLE ENABLE VS1 VS1 VS2 (Power saving) VS2 (Power saving) Truth Table 2. VS2B L H POWER OFF (Standby mode) OPERATION Note: Apply 5 V to VS2A as a supply terminal. Input terminal (INA, INB, PS, and Vs2B) Vcc 15 kΩ 250 kΩ The diagram is partly-provided and omitted or simplified for explanatory purposes. 3 Ver.3 2010-07-07 Free Datasheet http://www.datasheet4u.com/ TB6674PG/FG/FAG Absolute Maximum Ratings (Ta = 25°C) Characteristic Symbol Rating Unit VCC Supply voltage VS1 VS2 TB6674PG TB6674FG Output current TB6674FAG IO (PEAK) IO (START) IO (HOLD) IO (PEAK) IO (START) IO (HOLD) Input voltage TB6674PG Power dissipation PD VIN 6.0 24.0 Up to VCC ±400 ±350 ±100 ±200 ±100 ±50 Up to VCC 1.4 (Note 1) 2.7 (Note 2) 0.9 (Note 3) 1.4 (Note 4) 0.78 (Note 5) W V mA V TB6674FG TB6674FAG Operating temperature Storage temperature Topr Tstg -30 to 75 -55 to 150 °C °C Note 1: IC only Note 2: This value is obtained if mounting is on a 50 mm × 50 mm × 0.8 mm PCB, 60 % or more of which is occupied by copper. Note 3: IC only Note 4: This value is obtained if mounting is on a 60 mm × 30 mm × 1.6 mm PCB, 50 % or more of which is occupied by copper. Note 5: This value is obtained if mounting is on a 50 mm × 50 mm × 1.6 mm PCB, 40 % or more of which is occupied by copper. Operating Conditions (Ta = 25°C) Characteristic Symbol VCC Supply voltage VS1 VS2A TB6674PG Output current TB6674FG TB6674FAG Input voltage Maximum frequency of input pulse Minimum resolution of input pulse IO Min. 4.5 8.0 2.7 - Typ. - - - - Max. 5.5 22.0 5.5 ±350 Unit V mA IO VIN - - - - - ±100 VCC 25 - 0 - V kHz μs fIN tw 20 Value of ON resistance tends to increase when the difference between Vs1 and Vs2A becomes 5 V or less. 4 Ver.3 2010-07-07 Free Datasheet http://www.datasheet4u.com/ TB6674PG/FG/FAG Electrical Characteristics (Unless otherwise specified, Ta = 25°C, VCC = 5 V, VS1 = 12 V, .


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