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Product Detailed Parameters
- Description：IC PWR DRIVER BIPOLAR 1:1 28PLCC
- Series：-
- Mfr：Allegro MicroSystems
- Package：Tape & Reel (TR)
- Switch Type：Latched Driver
- Number of Outputs：8
- Ratio - Input:Output：1:01
- Output Configuration：Low Side
- Output Type：Bipolar
- Interface：Strobe, Parallel
- Voltage - Load：50V (Max)
- Voltage - Supply (Vcc/Vdd)：3V ~ 5.5V
- Current - Output (Max)：600mA
- Rds On (Typ)：-
- Input Type：Non-Inverting
- Features：-
- Fault Protection：-
- Operating Temperature：-20°C ~ 85°C (TA)
- Mounting Type：Surface Mount
- Supplier Device Package：28-PLCC (11.51x11.51)
- Package / Case：28-LCC (J-Lead)
- Grade：-
- Qualification：-
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Overview
The A6801SEPTR-T is a latched sink driver IC fabricated using BiCMOS technology, combining high-current bipolar outputs with CMOS logic inputs. It features eight low-side outputs capable of sourcing up to 600mA each, with a maximum load voltage of 50V. The device operates on a supply voltage range of 3V to 5.5V and accepts non-inverted parallel or strobe pulse inputs. Packaged in a 28-PLCC surface-mount format, it supports an operating temperature range of -20°C to +85°C.
Feature Summary
- Integrates CMOS input section with bipolar NPN Darlington outputs for direct microprocessor interfacing.
- Features latch functionality to maintain output states without continuous signal input.
- Provides high-current sinking capability suitable for driving inductive loads.
Applications
- Driving relays
- Actuating solenoids
- Controlling small DC motors
Procurement Notes
Verify component authenticity through authorized channels due to the discontinued status of this part number. Confirm that the 28-PLCC package dimensions match the design footprint requirements. Ensure that the 3V to 5.5V supply voltage range aligns with the system power architecture. Validate that the 600mA per-channel current rating meets the specific load demands. Check for RoHS3 compliance documentation if environmental regulations apply.
Selection Notes
Select this component when interfacing low-voltage logic circuits with moderate-power inductive loads requiring latched control. Consider the 28-PLCC package constraints for PCB layout. Evaluate the thermal performance given the bipolar output structure. Compare against newer Allegro models if availability is critical, as this specific variant is marked as obsolete.
Part Context
This device belongs to the A6800/A6801 family, which serves as a pin-to-pin compatible successor to the UCN5800/UCN5801 series. It offers improved switching speeds and lower saturation voltages compared to its predecessors. The family is designed specifically for applications requiring reliable interface between computer I/O and heavy loads.
Replacement Considerations
Public confirmed substitute part numbers are not available in the provided data. As the product status is listed as discontinued, alternative solutions may require redesigning the circuit for newer Allegro MicroSystems drivers or generic equivalents with matching pinouts and electrical characteristics.
