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Product Detailed Parameters
- Description：IC PWR DRVR BIPOLAR 1:20 28PLCC
- Series：-
- Mfr：Allegro MicroSystems
- Package：Tube
- Switch Type：Latched Driver
- Number of Outputs：20
- Ratio - Input:Output：1:20
- Output Configuration：High Side
- Output Type：Bipolar
- Interface：Strobe, Serial
- Voltage - Load：60V (Max)
- Voltage - Supply (Vcc/Vdd)：3V ~ 5.5V
- Current - Output (Max)：40mA
- 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 Allegro A6812SEP is a discontinued power driver IC featuring a 1:20 input-to-output ratio with 20 high-side outputs. It operates on a 3V to 5.5V supply and supports up to 40mA output current per channel. The device utilizes a bipolar latch driver topology with parallel and serial interfaces, housed in a 28-PLCC package. Designed for robust performance, it functions within an operating temperature range of -40°C to 85°C.
Feature Summary
- Provides 20 independent high-side bipolar outputs controlled by a single input signal via a 1:20 distribution ratio.
- Integrates a latch driver mechanism to maintain output states without continuous signal input.
- Supports both parallel and serial interface protocols for flexible system integration.
Applications
- General-purpose load switching in industrial control systems
- High-side drive applications requiring latched output states
- Bipolar power distribution networks
Procurement Notes
Verify component status carefully as the A6812SEP is officially marked as obsolete or not recommended for new designs. Confirm availability through secondary market channels or authorized distributors holding remaining stock. Ensure that any sourced units match the original 28-PLCC specification and electrical characteristics required for your specific application circuit.
Selection Notes
Consider this component only for legacy system maintenance or repair where the 28-PLCC form factor and 1:20 bipolar latch architecture are strictly required. Evaluate alternative drivers if new design implementation is possible, as newer components may offer improved efficiency, different packaging options, or enhanced interface capabilities suitable for modern electronic designs.
Part Context
The A6812SEP belongs to Allegro MicroSystems' power driver portfolio, specifically designed for distributing control signals to multiple loads. As part of the A6812 series, it provides a reliable solution for applications needing isolated high-side switching with latching functionality, serving industries such as automotive and industrial automation where stable load management is critical.
Replacement Considerations
Public confirmed substitute part numbers include MAX6921AWI+ and MAX6921AWI+T from Analog Devices Inc./Maxim Integrated. These alternatives are listed as similar replacements for the discontinued A6812SEP.
FAQ
What is the maximum output current per channel for the A6812SEP?
The maximum output current per channel is 40mA.
Does the A6812SEP support serial communication?
Yes, the device supports both parallel and serial interfaces for input control.
