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Allegro A3979slpt Microstepping Motor Driver With Built-in Translator
Posted at: Offers to Sell and Export | Posted on: Wednesday 29 August 2012 7:48 am | Poster last visit: Friday 26 July 2013 |
Product Description:
Excellent Integrated System LIMITED (EIS LIMITED), Established in 1991, is a professional independent
stocking distributor of electronic components and specialize in buying the EXCESS STOCK from the original equipment manufacturers (OEMs), Contract equipment manufacturers (CEMs), and many other factories. EIS has gained good experiences in Excess Inventory Management through its development over 20 years and has become the reliable partner for the domestic and foreign OEM manufacturers. If any inquiry and question, please email us:
Part number a3979slpt
BRAND Allegro MicroSystems [Allegro]
Packaging 28-tssop
Date code 10+
Price 3.5~4.2usd
Description as follow:
The A3979SLPT is a complete microstepping motor driver with built-in translator, designed as a pin-compatible replacement for the successful A3977, with enhanced microstepping (1/16 step) precision. It is designed to operate bipolar stepper motors in full-, half-, quarter-, and sixteenthstep modes, with an output drive capacity of up to 35 V and ±2.5 A. The A3979SLPT includes a fixed off-time current regulator that has the ability to operate in Slow, Fast, or Mixed decay modes. This current-decay control scheme results in reduced audible motor noise, increased step accuracy, and reduced power dissipation. The translator is the key to the easy implementation of the A3979SLPT. It allows the simple input of one pulse on the STEP pin to drive the motor one microstep, which can be either a full step, half, quarter, or sixteenth, depending on the setting of the MS1 and MS2 logic inputs. There are no phase-sequence tables, high-frequency control lines, or complex interfaces to program. The A3979SLPT interface is an ideal fit for applications where a complex microprocessor is unavailable or is overburdened.
Parametrics
Absolute maximum ratings:(1)Load Supply Voltage, VBB: 35 V; (2)Output Current, IOUT: ±2.5 A; (3)Logic Supply Voltage, VDD: 7.0 V; (4)Logic Input Voltage Range, VIN of tW > 30 ns: –0.3V to VDD + 0.3V; (5)Logic Input Voltage Range, VIN of tW < 30 ns: –1V to VDD + 1V; (6)Sense Voltage, VSENSE: 0.5 V; (7)Reference Voltage, VREF: VDD; (8)Operating Temperature Range of Ambient, TA, Range S: –20℃ to 85℃; (9)Junction Temperature, TJ(MAX): 150℃; (10)Storage Temperature, TS: –55℃ to 150℃.
Features
Features: (1)±2.5 A, 35 V output rating; (2)Low RDS(On) outputs: 0.28 Ω source, 0.22 Ω sink, typical; (3)Automatic current decay mode detection/ selection; (4)3.0 to 5.5 V logic supply voltage range; (5)Slow, Fast or Mixed current decay modes; (6)Home output; (7)Synchronous rectification for low power dissipation; (8)Internal UVLO and thermal shutdown circuitry; (9)Crossover-current protection.
Diagrams
Company Contact:
Contact Name: John
Company Name: Excellent Integrated System Limited (eis Limited)
Email:
Tel: 00852-30777742
Fax: 00852-30777843
Street Address: Rm 906, Workingberg
Comm Bldg, 41-47 Marble Rd, Hong Kong
Member name: EISLIMITED
Country:
Hong Kong
Member Since: 29 August 2012
Total Leads: 537 EISLIMITED Import Export Business Leads
Business focus: Electronic Components, Active Component, Integrated Circuit, Semiconductor, Chips
Chat:
Verify: Safe Import Export Tips
stocking distributor of electronic components and specialize in buying the EXCESS STOCK from the original equipment manufacturers (OEMs), Contract equipment manufacturers (CEMs), and many other factories. EIS has gained good experiences in Excess Inventory Management through its development over 20 years and has become the reliable partner for the domestic and foreign OEM manufacturers. If any inquiry and question, please email us:
Part number a3979slpt
BRAND Allegro MicroSystems [Allegro]
Packaging 28-tssop
Date code 10+
Price 3.5~4.2usd
Description as follow:
The A3979SLPT is a complete microstepping motor driver with built-in translator, designed as a pin-compatible replacement for the successful A3977, with enhanced microstepping (1/16 step) precision. It is designed to operate bipolar stepper motors in full-, half-, quarter-, and sixteenthstep modes, with an output drive capacity of up to 35 V and ±2.5 A. The A3979SLPT includes a fixed off-time current regulator that has the ability to operate in Slow, Fast, or Mixed decay modes. This current-decay control scheme results in reduced audible motor noise, increased step accuracy, and reduced power dissipation. The translator is the key to the easy implementation of the A3979SLPT. It allows the simple input of one pulse on the STEP pin to drive the motor one microstep, which can be either a full step, half, quarter, or sixteenth, depending on the setting of the MS1 and MS2 logic inputs. There are no phase-sequence tables, high-frequency control lines, or complex interfaces to program. The A3979SLPT interface is an ideal fit for applications where a complex microprocessor is unavailable or is overburdened.
Parametrics
Absolute maximum ratings:(1)Load Supply Voltage, VBB: 35 V; (2)Output Current, IOUT: ±2.5 A; (3)Logic Supply Voltage, VDD: 7.0 V; (4)Logic Input Voltage Range, VIN of tW > 30 ns: –0.3V to VDD + 0.3V; (5)Logic Input Voltage Range, VIN of tW < 30 ns: –1V to VDD + 1V; (6)Sense Voltage, VSENSE: 0.5 V; (7)Reference Voltage, VREF: VDD; (8)Operating Temperature Range of Ambient, TA, Range S: –20℃ to 85℃; (9)Junction Temperature, TJ(MAX): 150℃; (10)Storage Temperature, TS: –55℃ to 150℃.
Features
Features: (1)±2.5 A, 35 V output rating; (2)Low RDS(On) outputs: 0.28 Ω source, 0.22 Ω sink, typical; (3)Automatic current decay mode detection/ selection; (4)3.0 to 5.5 V logic supply voltage range; (5)Slow, Fast or Mixed current decay modes; (6)Home output; (7)Synchronous rectification for low power dissipation; (8)Internal UVLO and thermal shutdown circuitry; (9)Crossover-current protection.
Diagrams
Company Contact:
Contact Name: John
Company Name: Excellent Integrated System Limited (eis Limited)
Email:
Tel: 00852-30777742
Fax: 00852-30777843
Street Address: Rm 906, Workingberg
Comm Bldg, 41-47 Marble Rd, Hong Kong
Member name: EISLIMITED
Country:
Hong KongMember Since: 29 August 2012
Total Leads: 537 EISLIMITED Import Export Business Leads
Business focus: Electronic Components, Active Component, Integrated Circuit, Semiconductor, Chips
Chat:
Verify: Safe Import Export Tips
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