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Product Detailed Parameters
- Description：BD68888AEKV IS A BIPOLAR LOW-CON
- Series：-
- Mfr：Rohm Semiconductor
- Package：Tape & Reel (TR),Cut Tape (CT)
- Motor Type - Stepper：Bipolar
- Motor Type - AC, DC：Brushed DC
- Function：Driver - Fully Integrated, Control and Power Stage
- Output Configuration：Half Bridge (8)
- Interface：Logic
- Technology：DMOS
- Step Resolution：1, 1/2, 1/4
- Applications：Camera, Printer
- Current - Output：1.5A
- Voltage - Supply：8V ~ 28V
- Voltage - Load：-
- Operating Temperature：-25°C ~ 85°C
- Mounting Type：Surface Mount
- Package / Case：48-VFQFP Exposed Pad
- Supplier Device Package：48-HTQFP (7x7)
- Grade：-
- Qualification：-
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Overview
The BD68888AEKV-E2 is a bipolar stepper motor driver manufactured by ROHM Semiconductor. It operates within a supply voltage range of 8 V to 28 V and delivers an output current of 1.5 A. The device features a low operating supply current of 5 mA and supports two output channels. It is designed for surface mount installation in a 48-pin HTQFP package, with a thermal pad measuring 7x7 mm. The component functions reliably across an extended temperature range from -25°C to +85°C.
Feature Summary
- Integrated bipolar stepper motor driver architecture
- Logic interface compatible with standard control signals
- Compact surface-mount packaging for space-constrained designs
Applications
- Stepper motor control systems
- Motion control applications
- Industrial automation equipment
Procurement Notes
Verify the specific suffix E-2 against the manufacturer's latest documentation to confirm compliance with current environmental standards and pinout configurations. Ensure that the HTQFP-48 package dimensions match the target PCB footprint requirements. Confirm that the 8 V to 28 V operating voltage range aligns with the system power supply design before finalizing procurement orders.
Selection Notes
Select this component when a dedicated bipolar stepper driver is required with moderate current capabilities up to 1.5 A. The 48-pin HTQFP package offers a balance between pin count and board area. Consider the -25°C to +85°C operating range for environments with moderate thermal variations. Verify that the logic interface levels are compatible with the host microcontroller or controller unit.
Part Context
This part belongs to the BD68888 series of stepping motor drivers from ROHM Semiconductor. The series includes variants such as the BD68888MUV-E2, which utilizes a VQFN-36 package and supports a higher output current of 1.65 A. Both devices share similar electrical characteristics regarding supply voltage and operating temperature, differing primarily in package type and maximum current rating.
Replacement Considerations
The BD68888MUV-E2 serves as a related alternative within the same product family. It provides a higher output current of 1.65 A but uses a VQFN-36 package instead of the HTQFP-48. Designers must account for the package difference and potential layout changes when substituting between these variants.
