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Product Detailed Parameters
- Description：IC MOTOR DRIVER 3.5V-18V 8MICRO
- Series：-
- Mfr：onsemi
- Package：Tape & Reel (TR),Tape & Reel (TR),Bulk
- Motor Type - Stepper：-
- Motor Type - AC, DC：Brushed DC
- Function：Driver - Fully Integrated, Control and Power Stage
- Output Configuration：Half Bridge (2)
- Interface：On/Off
- Technology：Bipolar
- Step Resolution：-
- Applications：Fan Motor Driver
- Current - Output：500mA
- Voltage - Supply：3.5V ~ 18V
- Voltage - Load：3.5V ~ 18V
- Operating Temperature：-30°C ~ 85°C (TA)
- Mounting Type：Surface Mount
- Package / Case：8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
- Supplier Device Package：8-Micro
- Grade：-
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Overview
The LB11964FA-BH is a single-chip motor driver IC designed for brushed DC motors, specifically optimized for fan applications. It features a fully integrated driver and control/power stage, supporting an input supply voltage range from 3.5V to 18V with a maximum output current of 500mA. The device operates within a temperature range of -30°C to 85°C and is housed in an 8-Micro package.
Feature Summary
- Fully integrated driver and control/power stage for simplified design
- Supports brushed DC motors with wide input voltage compatibility
- Optimized for single-phase full-wave fan motor driving
Applications
- Single-phase fan motor drivers
- Brushed DC motor control systems
- Appliance cooling fans
Procurement Notes
Verify the specific suffix 'BH' against the official onsemi datasheet to confirm pinout and electrical specifications match your design requirements. Ensure the 8-Micro package dimensions align with your PCB layout constraints. Confirm the operating temperature range of -30°C to 85°C meets your environmental conditions. Cross-reference the 500mA current rating with your motor's peak and continuous load demands to prevent thermal overload.
Selection Notes
Select this component when a compact, single-chip solution for low-current brushed DC motors is required. It is suitable for applications where space is limited due to its small package size. Consider it for designs needing a wide input voltage range without external level shifting. Evaluate if the 500mA limit suffices for your motor's stall and running currents before finalizing the choice.
Part Context
This part belongs to onsemi's motor driver portfolio, focusing on simple, cost-effective solutions for low-power motor control. It serves as a pre-driver or direct driver for small fans and actuators. The integration reduces the bill of materials by combining power and logic stages into one package, simplifying assembly and reducing board space compared to discrete solutions.
Replacement Considerations
Check for direct pin-to-pin replacements in the LB11964 series. Verify that any substitute maintains the 3.5V-18V input range and 500mA current capability. Ensure the replacement package matches the 8-Micro footprint. Confirm thermal performance under similar load conditions.
