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Product InformationFeatures
Description
The UC3717A is an improved version of the UC3717, used to switch drive the current in one winding of a bipolar stepper motor. The UC3717A has been modified to supply higher winding current, more reliable thermal protection, and improved efficiency by providing integrated bootstrap circuitry to lower recirculation saturation voltages. The diagram shown below presents the building blocks of the UC3717A. Included are an LS-TTL compatible logic input, a current sensor, a monostable, a thermal shutdown network, and an H-bridge output stage. The output stage features built-in fast recovery commutating diodes and integrated bootstrap pull up. Two UC3717As and a few external components form a complete control and drive unit for LS-TTL or micro-processor controlled stepper motor systems. View All Description in Datasheet |
| Price | Packaging | CAD Design Tools | Samples | ||||||
| Device | Status | Temp (oC) | Price | Quantity | Package | Pins | Top Side Marking | Package QTY | Package Carrier | Symbols | Footprints | Samples |
| UC3717AN | ACTIVE | 0 to 70 | 4.55 | 1ku | PDIP (N) | 16 | View | 25 | TUBE | |||
| UC3717ANG4 | ACTIVE | 0 to 70 | 4.55 | 1ku | PDIP (N) | 16 | View | 25 | TUBE | |||
| UC3717AQ | ACTIVE | 0 to 70 | 4.55 | 1ku | PLCC (FN) | 20 | View | 46 | TUBE | Purchase Samples | ||
| UC3717AQG3 | ACTIVE | 0 to 70 | 4.55 | 1ku | PLCC (FN) | 20 | View | 46 | TUBE | Purchase Samples | ||
| UC3717AQTR | ACTIVE | 0 to 70 | 4.15 | 1ku | PLCC (FN) | 20 | View | 1000 | LARGE T&R | Purchase Samples | ||
| UC3717AQTRG3 | ACTIVE | 0 to 70 | 4.15 | 1ku | PLCC (FN) | 20 | View | 1000 | LARGE T&R | Purchase Samples | ||
* Suggested Resale Price per unit (USD) for BUDGETARY USE ONLY. For higher volume price quotes,prices in local currency or delivery quotes, please contact your local Texas Instruments Sales Office or Authorized Distributor.
| Reported Distributor Inventory as of 9:53 AM GMT, 20 Nov 2009 | |||
| Region | Company | In Stock | Purchase |
| TI Lead Time*: 14 WeeksUC3717AN | |||
| Americas | Newark | 39 | |
| Rochester Electronics | >1k | ||
| Worldwide | DigiKey | 785 | |
| Mouser Electronics | 4 | ||
| TI Lead Time*: 14 WeeksUC3717ANG4 | |||
| Americas | Rochester Electronics | 425 | |
| Asia | Farnell Asia | 80 | |
| Europe | Farnell | 80 | |
| Worldwide | DigiKey | Available | |
| Mouser Electronics | 83 | ||
| TI Lead Time*: 6 WeeksUC3717AQ | |||
| Americas | Rochester Electronics | 507 | |
| TI Lead Time*: 6 WeeksUC3717AQG3 | |||
| Worldwide | Mouser Electronics | 62 | |
| TI Lead Time*: 8 WeeksUC3717AQTR | |||
| None Reported View Distributors | |||
| TI Lead Time*: 8 WeeksUC3717AQTRG3 | |||
| None Reported View Distributors | |||
** Lead time information is not available at this time. However, our information is updated daily so please check back with us soon. Please contact your preferred TI Authorized Distributor for additional information.
| Product Content | DPPM / MTBF / FIT Rate | ||||
| Device | Eco Plan* | Lead / Ball Finish | MSL Rating / Peak Reflow | Details | Details |
UC3717AN  | Green (RoHS & no Sb/Br) | CU NIPDAU | N/A for Pkg Type | View | View |
| UC3717ANG4 | Green (RoHS & no Sb/Br) | CU NIPDAU | N/A for Pkg Type | View | View |
| UC3717AQ | Green (RoHS & no Sb/Br) | CU SN | Level-2-260C-1 YEAR | View | View |
| UC3717AQG3 | Green (RoHS & no Sb/Br) | CU SN | Level-2-260C-1 YEAR | View | View |
| UC3717AQTR | Green (RoHS & no Sb/Br) | CU SN | Level-2-260C-1 YEAR | View | View |
| UC3717AQTRG3 | Green (RoHS & no Sb/Br) | CU SN | Level-2-260C-1 YEAR | View | View |
* The planned eco-friendly classification: Pb-Free (RoHS) or Pb-Free (RoHS Exempt) or Green (RoHS & no Sb/Br) - please click on the Product Content Details "View" link in the table above for the latest availability information and additional product content details.
If the information you are requesting is not available online at this time, contact one of our Product Information Centers regarding the availability of this information.
Most useful technical documents for UC3717A 
| Customers Who Evaluated This Product Also Evaluated... | |||
| Part # | Name | Product Family | Comments |
| UC3770A | High Performance Stepper Motor Drive Circuit | POWER MANAGEMENT SPECIAL FUNCTIONS-MOTION/MOTOR CONTROL | TI customers also evaluated this product. |
| UC3638 | Advanced PWM Motor Controller | POWER MANAGEMENT SPECIAL FUNCTIONS-MOTION/MOTOR CONTROL | TI customers also evaluated this product. |
| UC3770B | High Performance Stepper Motor Drive Circuit | POWER MANAGEMENT SPECIAL FUNCTIONS-MOTION/MOTOR CONTROL | TI customers also evaluated this product. |
| UC3637 | Switched Mode Controller for DC Motor Drive | POWER MANAGEMENT SPECIAL FUNCTIONS-MOTION/MOTOR CONTROL | TI customers also evaluated this product. |
| UC3176 | Full Bridge Power Amplifier | POWER MANAGEMENT SPECIAL FUNCTIONS-MOTION/MOTOR CONTROL | TI customers also evaluated this product. |
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