Product Descriptions
The UC3625 family of motorcontroller devices integrate most of the functions required for high-performance brushless dc-motor control into one package. When coupled with external power MOSFETs or Darlingtons, these devices perform fixed-frequency PWM motor control in either voltage or current mode while implementing closed-loop speed control and braking with smart noise rejection, safe direction reversal, and cross–conduction protection.
Although specified for operation from power supplies between 10 V and 18 V, the UC1625 controls higher voltage power devices with external level-shifting components. The UC1625 contains fast, high-current push-pull drivers for low-side power devices and 50-V open-collector outputs for high-side power devices or level-shifting circuitry.
The UC1625 is characterized for operation over the military temperature range of –55°C to +125°C, while the UC2625 is characterized from –40°C to +105°C and the UC3625 is characterized from 0°C to +70°C.(Note: ESD Protection to 2 kV)
Product Features
? Drives Power MOSFETs or Power Darlingtons Directly
? 50-V Open Collector High-Side Drivers
? Latched Soft Start
? High-Speed Current-Sense Amplifier with Ideal Diode
? Pulse-by-Pulse and Average Current Sensing
? Over-Voltage and Under-Voltage Protection
? Direction Latch for Safe Direction Reversal
? Tachometer
? Trimmed Reference Sources 30 mA
? Programmable Cross-Conduction Protection
? Two-Quadrant and Four-Quadrant Operation
Specifications
| Attribute | Attribute value |
| Model | ANSC-M2502242426 |
| Product Model | UC3625Q |
| Category | Integrated Circuits (ICs) |
| Power Management (PMIC) | |
| Motor Drivers, Controllers | |
| Manufacturer | Texas Instruments |
| Series | - |
| Packaging | Tube |
| Part Status | Obsolete |
| Motor Type - Stepper | - |
| Motor Type - AC, DC | Brushless DC (BLDC) |
| Function | Controller - Commutation, Direction Management |
| Output Configuration | Pre-Driver - Half Bridge (3) |
| Interface | Parallel |
| Technology | Power MOSFET, Power Darlington |
| Step Resolution | - |
| Applications | General Purpose |
| Current - Output | - |
| Voltage - Supply | 10V ~ 18V |
| Voltage - Load | - |
| Operating Temperature | 0°C ~ 70°C (TJ) |
| Mounting Type | Surface Mount |
| Package / Case | 28-LCC (J-Lead) |
| Supplier Device Package | 28-PLCC (11.51x11.51) |
| Base Product Number | UC3625 |
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