Product Details
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Description The A3909 is a dual full bridge motor driver, designed for 12 V medium power applications. The outputs are rated for operation through a power supply range of 4 to 18 V, and capable of up to 1 A per phase. Paralleling the outputs is possible for higher amperage single DC motor applications. The four inputs (IN1 to IN4) can control DC motors in forward, reverse, brake, and coast modes, or a bipolar stepper motor in full- and half-step modes. The A3909 is supplied in a 10-pin MSOP package with exposed thermal pad (suffix LY) and a 10-pin SSOP (suffix LN) for wave solder applications. Both packages are lead (Pb) free with 100% matte-tin leadframe plating. Features and Benefits ? Low RDS(on) outputs ? Drives two DC motors or single stepper motor ? Low power standby (Sleep) mode with zero current drain ? Thermal shutdown protection ? Parallel operation option for 1.8 A, single DC motor ? Overcurrent protection: ? Output to supply short ? Output to GND short ? Output load short |
Product Description
| Type | Description |
| ANSC PART# | ANSC - A3909GLYTR-T |
| Category | Integrated Circuits (ICs) |
| Power Management (PMIC) | |
| Full Half-Bridge (H Bridge) Drivers | |
| Manufacturer | Allegro MicroSystems |
| Series | - |
| Packaging | Tape & Reel (TR) |
| Cut Tape (CT) | |
| / | |
| Part Status | Active |
| Output Configuration | Half Bridge (4) |
| Applications | DC Motors, General Purpose, Stepper Motors |
| Interface | Logic |
| Load Type | Inductive |
| Technology | DMOS |
| Rds On (Typ) | 1.6Ohm LS + HS |
| Current - Output / Channel | 1A |
| Current - Peak Output | - |
| Voltage - Supply | 4V ~ 18V |
| Voltage - Load | 4V ~ 18V |
| Operating Temperature |
-40°C ~ 150°C (TJ) |
| Features | - |
| Fault Protection | Current Limiting, Over Temperature |
| Mounting Type | Surface Mount |
| Package / Case | 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) Exposed Pad |
| Supplier Device Package | 10-MSOP-EP |
| Base Product Number | A3909 |
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Product datasheet
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