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UDN2998W
Stepper Motor Controller, 3A, BIPolar, PSFM12, POWER, SIP-12UDN2998W
Stepper Motor Controller, 3A, BIPolar, PSFM12, POWER, SIP-12
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UDN2998W 數據表
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詳細說明
DUAL FULL-BRIDGE MOTOR DRIVERAs an interface between low-level logic and solenoids, dc (brush) motors, or stepper motors, the UDN2998W dual full-bridge driver will operate inductive loads up to 50 V with continuous output currents of up to 2 A per bridge or peak (start-up) currents to 3 A. The control inputs are compatible with TTL, DTL, and 5 V CMOS logic. Except for a common supply voltage and thermal shutdown, the two drivers in each package are completely independent.FEATURES ■ ±3 A Peak Output Current ■ Output Voltage to 50 V ■ Integral Output Suppression Diodes ■ Output Current Sensing ■ TTL/CMOS Compatible Inputs ■ Internal Thermal Shutdown Circuitry ■ Crossover-Current Protected ■ Automotive Capable
主要特徵
- ±3 A Peak Output CurrentOutput Voltage to 50 VIntegral Output Suppression DiodesOutput Current SensingTTL/CMOS Compatible InputsInternal Thermal Shutdown CircuitryCrossover-Current ProtectedAutomotive Capable
規格
以下是所選零件的基本參數，涉及零件的特性及其所屬類別。
| Rohs Code | No | Part Life Cycle Code | Obsolete |
| Part Package Code | SFM | Pin Count ! | 12 |
| Reach Compliance Code | ECCN Code | EAR99 | |
| HTS Code ! | 8542.39.00.01 | Analog IC - Other Type | STEPPER MOTOR CONTROLLER |
| JESD-30 Code | R-PSFM-T12 | JESD-609 Code | e0 |
| Moisture Sensitivity Level | 1 | Number of Functions | 2 |
| Number of Terminals | 12 | Operating Temperature-Max | 85 °C |
| Operating Temperature-Min | -20 °C | Output Current-Max | 3 A |
| Package Body Material | PLASTIC/EPOXY | Package Equivalence Code | SIP12,.1TB |
| Package Shape | RECTANGULAR | Package Style | FLANGE MOUNT |
| Power Supplies ! | 50 V | Qualification Status ! | Not Qualified |
| Supply Current-Max (Isup) | 35 mA | Supply Voltage-Max (Vsup) | 50 V |
| Supply Voltage-Min (Vsup) | 10 V | Supply Voltage-Nom (Vsup) | 50 V |
| Surface Mount ! | NO | Technology | BIPOLAR |
| Temperature Grade ! | OTHER | Terminal Finish | TIN LEAD |
| Terminal Form ! | THROUGH-HOLE | Terminal Pitch ! | 2.54 mm |
| Terminal Position | SINGLE |
數據表 PDF
數據表記錄了器件的特性、絕對最大額定值、應用等，這對於作為器件特定應用的整體指南大有裨益。
常見問題解答
What is UDN2998W?
The UDN2998W is a high-voltage, high-current source driver designed by Allegro MicroSystems. It is ideal for driving high-power loads such as solenoids, relays, and stepper motors in industrial, automotive, and consumer electronic applications.
How Does UDN2998W Work?
The UDN2998W works by amplifying and switching input control signals to drive high-current loads with high voltage requirements. It incorporates protection features such as output clamping and thermal shutdown to ensure safe and reliable operation in various load-driving applications.
How Many Pins does UDN2998W have and What are the Functions of the Pinout Configuration?
The UDN2998W is housed in a 16-pin SOIC (Small Outline Integrated Circuit) package. The pinout configuration includes:
- 1Y, 2Y, 3Y, 4Y: Output driver pins for four high-side switches.
- 1A, 2A, 3A, 4A: Input control pins for the corresponding high-side switches.
- COM: Common connection for load return and ground reference.
- VCC: Positive power supply pin for the internal logic and drivers.
- VS: High-voltage power supply pin for the load drivers.
What are the Pros and Cons of UDN2998W?
Pros:
- High-Voltage Capability: Suitable for driving high-voltage loads in various applications.
- High-Current Capability: Capable of driving high-current loads for industrial and automotive applications.
- Integrated Protection: Includes output clamping and thermal shutdown for safe operation.
- Multiple Channels: Offers four high-side switch channels for driving multiple loads.
- Compact Package: The 16-pin SOIC package is space-efficient and suitable for compact designs.
Cons:
- External Components: May require external diodes or capacitors for specific load-driving applications.
- Heat Dissipation: High-power applications may require heat sinks for thermal management.
- Complexity: Requires attention to high-voltage safety and proper layout for reliable performance.
Are There Any Equivalents/Alternatives to UDN2998W for Recommendation?
- The DRV8801 from Texas Instruments is a similar high-voltage driver with integrated protection features.
- Alternatives to the UDN2998W include the TC4420 from Microchip Technology and the L298N from STMicroelectronics.
