Purchase A3950, In-stock A3950 From SeekIC.
Part Number: A3950
Description: Designed for PWM (pulse width modulated) control of dc motors, the A3950 is capable of peak output currents to ±2.8 ...
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A3950
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Suppliers
DataSheet
General Description
A3950 General Description
Designed for PWM (pulse width modulated) control of dc motors, the A3950 is capable of peak output currents to ±2.8 A and operating voltages to 36 V.
PHASE and ENABLE input terminals are provided for use in controlling the speed and direction of a dc motor with externally applied PWM control signals. Internal synchronous rectification control circuitry is provided to lower power dissipation during PWM operation.
Internal circuit protection includes motor lead short-to-supply / short-toground, thermal shutdown with hysteresis, undervoltage monitoring of VBB and VCP, and crossover-current protection.
The A3950 is supplied in a thin profile (<1.2 mm overall height) 16-pin TSSOP package with exposed thermal pad (package LP). It is lead (Pb) free with 100% matte tin leadframe plating.
A3950 Maximum Ratings
Load Supply Voltage, VBB.....................................36 V
Output Current, IOUT.......................................... 2.8 A
Sense Voltage, VSENSE.................................±500 mV
VBB to OUTx .........................................................36 V
OUTx to SENSE .....................................................36 V
Logic Input Voltage, VIN............................0.3 to 7 V
Operating Temperature Range
Ambient, TA , Range S ......................20°C to 85°C
Junction Temperature, TJ(MAX)....................... 150°C
Storage Temperature, TS ...............40°C to 125°C
Output Current, IOUT.......................................... 2.8 A
Sense Voltage, VSENSE.................................±500 mV
VBB to OUTx .........................................................36 V
OUTx to SENSE .....................................................36 V
Logic Input Voltage, VIN............................0.3 to 7 V
Operating Temperature Range
Ambient, TA , Range S ......................20°C to 85°C
Junction Temperature, TJ(MAX)....................... 150°C
Storage Temperature, TS ...............40°C to 125°C
A3950 Features
Low RDS(on) outputs
Overcurrent protection
Motor lead short-to-supply protection
Short-to-ground protection
Sleep function
Synchronous rectification
Diagnostic output
Internal UVLO
Crossover-current protection
Overcurrent protection
Motor lead short-to-supply protection
Short-to-ground protection
Sleep function
Synchronous rectification
Diagnostic output
Internal UVLO
Crossover-current protection
A3950 Connection Diagram
A3950
PDF/DataSheet Download
- Datasheet: A3950
- File Size: 325208 KB
- Manufacturer: ALLEGRO [Allegro MicroSystems]
- Click here to Download
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A3950 Relative Products
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The A3949SLPTR-T is one member of the A3949 series.The A3949 is supplied in a choice of two power packages, a 16-pin plastic SOIC with a copper batwing tab (part number suffi x LB), and a low profi le (1.1mm) 16-pin TSSOP (suffi x LP) with exposed power tab....
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