UC1625-SP Texas instruments

UC1625-SP

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UC1625-SP

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Описание

The UC1625 motor controller integrates most of the functions required for high-performance brushless dc motor control into one package. When coupled with external power MOSFETs or Darlingtons, this device performs 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 can control 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.

QML-V Qualified, SMD 5962-91689
Rad-Tolerant: 40 kRad (Si) TID⁽¹⁾
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

⁽¹⁾ Radiation tolerance is a typical value based upon initial device qualification with dose rate = 10 mrad/sec. Radiation Lot Acceptance Testing is available - contact factory for detials.

Rating	Space
Architecture	Gate driver
Control topology	Sensored, Trapezoidal
Control interface	1xPWM
Vs (min) (V)	10
Vs ABS (max) (V)	20
Features	Hardware Management I/F, Tach/FG Feedback
Operating temperature range (°C)	-55 to 125