Catalog(4 parts)
| Part | Voltage - Supply▲▼ | Voltage - Supply▲▼ | Applications | Current - Output / Channel▲▼ | Mounting Type | Output Configuration | Technology | Package / Case | Supplier Device Package | Fault Protection | Operating Temperature▲▼ | Operating Temperature▲▼ | Load Type | Interface | Voltage - Load▲▼ | Voltage - Load▲▼ | Package / Case▲▼ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Texas Instruments UC3770AQHalf Bridge (2) Driver General Purpose, Stepper Motors Bipolar 28-PLCC (11.51x11.51) | 4.75 V | 5.300000190734863 V | General Purpose, Stepper Motors | 2 A | Surface Mount | Half Bridge (2) | Bipolar | 28-LCC (J-Lead) | 28-PLCC (11.51x11.51) | Over Temperature | 0 °C | 150 °C | Inductive | Logic | 10 V | 45 V | |
4.75 V | 5.300000190734863 V | General Purpose, Stepper Motors | 2 A | Through Hole | Half Bridge (2) | Bipolar | 16-DIP | 16-PDIP | Over Temperature | 0 °C | 150 °C | Inductive | Logic | 10 V | 45 V | 0.007619999814778566 m, 0.007619999814778566 m | |
Texas Instruments UC3770AQTRHalf Bridge (2) Driver General Purpose, Stepper Motors Bipolar 28-PLCC (11.51x11.51) | 4.75 V | 5.300000190734863 V | General Purpose, Stepper Motors | 2 A | Surface Mount | Half Bridge (2) | Bipolar | 28-LCC (J-Lead) | 28-PLCC (11.51x11.51) | Over Temperature | 0 °C | 150 °C | Inductive | Logic | 10 V | 45 V | |
4.75 V | 5.300000190734863 V | General Purpose, Stepper Motors | 2 A | Through Hole | Half Bridge (2) | Bipolar | 16-DIP | 16-PDIP | Over Temperature | 0 °C | 150 °C | Inductive | Logic | 10 V | 45 V | 0.007619999814778566 m, 0.007619999814778566 m |
Key Features
• Full-Step, Half-Step and Micro-Step CapabilityBipolar Output Current up to 2AWide Range of Motor Supply Voltage: 10\x9650VLow Saturation VoltageWide Range of Current Control: 5mA\x962ACurrent Levels Selected in Steps or Varied ContinuouslyThermal Protection and Soft InterventionFull-Step, Half-Step and Micro-Step CapabilityBipolar Output Current up to 2AWide Range of Motor Supply Voltage: 10\x9650VLow Saturation VoltageWide Range of Current Control: 5mA\x962ACurrent Levels Selected in Steps or Varied ContinuouslyThermal Protection and Soft Intervention
Description
AI
The UC3770A and UC3770B are high-performance full bridge drivers that offer higher current and lower saturation voltage than the UC3717 and the UC3770. Included in these devices are LS-TTL compatible logic inputs, current sense, monostable, thermal shutdown, and a power H-bridge output stage. Two UC3770As or UC3770Bs and a few external components form a complete micro-processor-controllable stepper motor power system.
Unlike the UC3717, the UC3770A and the UC3770B require external high-side clamp diodes. The UC3770A and UC3770B are identical in all regards except for the current sense thresholds. Thresholds for the UC3770A are identical to those of the older UC3717 permitting drop-in replacement in applications where high-side diodes are not required. Thresholds for the UC3770B are tailored for half stepping applications where 50%, 71%, and 100% current levels are desirable.
The UC3770A and UC3770B are specified for operation from 0°C to 70°C ambient.
The UC3770A and UC3770B are high-performance full bridge drivers that offer higher current and lower saturation voltage than the UC3717 and the UC3770. Included in these devices are LS-TTL compatible logic inputs, current sense, monostable, thermal shutdown, and a power H-bridge output stage. Two UC3770As or UC3770Bs and a few external components form a complete micro-processor-controllable stepper motor power system.
Unlike the UC3717, the UC3770A and the UC3770B require external high-side clamp diodes. The UC3770A and UC3770B are identical in all regards except for the current sense thresholds. Thresholds for the UC3770A are identical to those of the older UC3717 permitting drop-in replacement in applications where high-side diodes are not required. Thresholds for the UC3770B are tailored for half stepping applications where 50%, 71%, and 100% current levels are desirable.
The UC3770A and UC3770B are specified for operation from 0°C to 70°C ambient.