A3972SB-T Allegro Microsystems Integrated Circuit (Dual-In-Line Packages) In Stock
Allegro A3972SB-T is a full-bridge brushed DC motor controller IC in a 24-pin DIP package. It supports 2 functions, up to 1.5 A output current, and a 15V to 50V VBB supply. Use it in motor drives, automation modules, positioning hardware, and legacy control boards.
- Manufacturer
- Allegro Microsystems
- Package
- Dual-In-Line Packages
- Pin Count
- 24
- Lifecycle
- OBSOLETE
- Datasheet
- A3972SB-T Datasheet PDF
- Category
- Integrated Circuit
- Temp Range
- -20.0°C to 85.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of A3972SB-T?
- Full-bridge brushed DC motor controller architecture for bidirectional motor drive stages
- 1.5 A maximum output current supports small motor and actuator loads
- 15V to 50V VBB supply range fits higher-voltage industrial drive rails
- 24-pin plastic DIP package supports through-hole assembly and serviceable designs
- Lead-free e3 termination data supports RoHS-oriented procurement checks
What is A3972SB-T used for?
A3972SB-T is appropriate for brushed DC motor control in automation equipment, actuator modules, positioning systems, and maintenance of legacy through-hole controller boards. Its 15V to 50V VBB supply requirement makes it useful where motor rails are above low-voltage logic levels.
What are the specifications of A3972SB-T?
| Pbfree Code | Yes |
| YTEOL | 0 |
| Additional Feature | ALSO REQUIRES 15V TO 50V VBB SUPPLY |
| Analog IC - Other Type | FULL BRIDGE BRUSH DC MOTOR CONTROLLER |
| JESD-30 Code | R-PDIP-T24 |
| JESD-609 Code | e3 |
| Number of Functions | 2 |
| Output Current-Max | 1.5A |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | DIP24,.3 |
| Package Shape | RECTANGULAR |
| Package Style | IN-LINE |
| Qualification Status | Not Qualified |
| Supply Current-Max (Isup) | 12mA |
| Supply Voltage-Max (Vsup) | 5.5V |
| Supply Voltage-Min (Vsup) | 4.5V |
| Supply Voltage-Nom (Vsup) | 5V |
| Surface Mount | NO |
| Technology | MOS |
| Temperature Grade | OTHER |
| Terminal Finish | Matte Tin (Sn) |
| Terminal Form | THROUGH-HOLE |
| Terminal Pitch | 2.54mm |
| Terminal Position | DUAL |
| Package | Dual-In-Line Packages |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| ECCN | EAR99 |
| HTS Code | 8542.39.00.60 |
Where can I find the A3972SB-T datasheet?
A3972SB-T Datasheet DownloadOfficial datasheet from Allegro Microsystems
What are equivalent replacements for A3972SB-T?
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
How much motor supply voltage does A3972SB-T require?
The fetched data notes a required 15V to 50V VBB motor supply, so designers should confirm the available motor rail fits that operating range.
Which load current should be considered during driver selection?
A3972SB-T lists a 1.5 A maximum output current, making thermal layout, motor stall current, and current-limit strategy important design checks.
Why might this package be chosen for older control boards?
The device is supplied in a 24-pin plastic DIP package, which can support through-hole manufacturing, socketed maintenance, and repair of legacy motor-control assemblies.
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About Allegro Microsystems
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