New Original Electronic Parts A4955GESTR-T Power Management ICs
Designed for pulse-width-modulated (PWM) control of DC motors, the A4955 is capable of 50 V operation and provides gate drive for an all N-channel external MOSFET bridge. 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 VDS protection, thermal shutdown with hysteresis, undervoltage monitoring of VBB, and crossover-current protection. The A4955 is supplied in a low-profile 4 × 4 mm, 20-contact QFN package (suffix “ES”) and a 20-lead eTSSOP (suffix “LP”), both with exposed thermal pad.
Specifications | |
Product Attribute | Attribute Value |
Manufacturer: | Allegro MicroSystems |
Product Category: | Gate Drivers |
RoHS: | Details |
Product: | MOSFET Gate Drivers |
Type: | Full-Bridge |
Mounting Style: | SMD/SMT |
Package / Case: | QFN-20 |
Number of Drivers: | 2 Driver |
Number of Outputs: | 2 Output |
Output Current: | 68 mA |
Supply Voltage - Min: | 5.5 V |
Supply Voltage - Max: | 50 V |
Minimum Operating Temperature: | - 40 C |
Maximum Operating Temperature: | + 105 C |
Series: | A4955 |
Packaging: | Reel |
Packaging: | Cut Tape |
Brand: | Allegro MicroSystems |
Moisture Sensitive: | Yes |
Off Time - Max: | 30 us |
Operating Supply Current: | 6 mA |
Output Voltage: | 6.8 V |
Product Type: | Gate Drivers |
Shutdown: | Shutdown |
Subcategory: | PMIC - Power Management ICs |
Tradename: | Full-Bridge PWM Gate Driver |
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