Allegro MicroSystems A6B273KA
- Part No.:
- A6B273KA
- Manufacturer:
- Allegro MicroSystems
- Package:
- 20-DIP (0.300", 7.62mm)
- Datasheet:
-
A6B273KA.pdf
- Description:
- IC PWR DRIVER N-CHAN 1:1 20DIP
- Quantity:
- Payment:

- Shipping:

Inventory:3,188
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Product details
Overview
A6B273KA from Allegro MicroSystems is a serial-input power driver for low-side peripheral load control. In grouped peripheral loads that are updated over a narrow serial interface, A6B273KA supports systems that need real output-drive capability rather than logic-only latching.
For engineers reviewing the A6B273KA datasheet, A6B273KA pinout, A6B273KA application, or A6B273KA equivalent, this device is widely used in addressed or serial peripheral load control, grouped output sections, low-side switched loads, and embedded power-interface boards.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Device Type | Peripheral power driver for grouped load control. |
| Control Method | Addressed or serialized update depending on branch. |
| Output Role | Supports switched peripheral load paths. |
| Application Positioning | Low-side or grouped peripheral output control. |
| Integration Value | Brings load-drive behavior into one control IC. |
| Package Option | 24-pin plastic DIP package with tube packing. |
| Ambient Temperature | -20°C to +85°C ambient range |
Pinout & Package
The A6B273KA pinout is implemented in the 24-pin plastic DIP package and combines the monitored-rail pins, control pins, and reset, watchdog, sequencing, or fault outputs required by the device function.
For PCB design, the main consideration is routing the control interface and power/load paths according to the actual device function instead of treating the part as a generic placeholder.
| Pin / Function | PCB Design and Circuit Role |
|---|---|
| Control Pins | Handle the addressed or serialized update path. |
| Enable / Reset Pins | Manage output activation and control-state behavior. |
| Output Pins | Provide the switched channels for peripheral loads. |
| Supply Pins | Support the logic and driver sections. |
| Ground Pins | Provide current return for logic and switched-load behavior. |
Key Features
- Integrated driver control reduces discrete switching stages.
- Useful in grouped peripheral load sections.
- Fits legacy designs built around addressed or serial driver behavior.
- Keeps the board control path narrower than wide parallel alternatives.
Applications
| Grouped Load Control | Embedded Power Interfaces |
|---|---|
|
Use Scenario: Peripheral sections that need multiple switched outputs. IC Role: Acts as the central load-driver stage. Use Value: Reduces controller pin and transistor count. |
Use Scenario: Boards that bridge logic control into real switched loads. IC Role: Provides the driver behavior for peripheral paths. Use Value: Improves integration in service and new-build designs. |
| Legacy Output Cards | Industrial I/O Sections |
|
Use Scenario: Existing boards designed around these driver families. IC Role: Preserves the original load-control role. Use Value: Reduces redesign effort during sustainment. |
Use Scenario: Modular outputs that need deterministic grouped control. IC Role: Supports addressed or serialized output updates. Use Value: Keeps output expansion compact. |
Equivalent & Alternatives
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| A6B595KLWTR | Related driver family with comparable grouped-load positioning. | Fits some low-side control uses depending on interface style. | The decision mainly rests on control method, package, and validated load behavior. |
| A6841SLWTR-T | Sink-driver family with different topology and load focus. | Useful only if the surrounding architecture can change. | Compare control style and load behavior before substitution. |
Compared with A6B595KLWTR, A6B273KA selection depends on output count, output polarity, and package family. Compared with A6841SLWTR-T, A6B273KA is the better choice when the board needs the same drive architecture while keeping the surrounding serial-control or load-drive scheme.
Quality
A6B273KA should be sourced through traceable channels with attention to package identity, orderable suffix, and whether the replacement still matches the intended device role.
Production validation should include interface behavior, load-path performance, startup behavior, and thermal or protection checks that matter for the actual end application.
Availability
A6B273KA is available at Aetrix Electronics and is suitable for maintenance, new design qualification, and repeatable production support in systems that depend on this exact device role.
Sample and NPI supply support, as well as urgent in-stock supply support, can also be arranged for prototype builds, pilot runs, and time-critical production needs.
For production builds, confirming lifecycle position, package option, temperature range, and sourcing continuity helps reduce replacement risk.
Manufacturer
Allegro MicroSystems is a semiconductor manufacturer whose portfolio includes sensor, driver, interface, and power-management devices used across automotive, industrial, and embedded electronics.
These A6A/A6B branches are legacy peripheral-driver families used where grouped or addressed load control must be preserved at the board level.
FAQ
What is A6B273KA used for?
It is used as a serial-input power driver for grouped peripheral loads.
Where can I find the A6B273KA datasheet download?
The A6B273KA datasheet can be accessed from the confirmed source used for this A6A595/A6B273/A6B595 orderable option.
What should be considered in A6B273KA pinout design?
Designers should review the 24-pin plastic DIP package, keep the control path clean, and plan the load-current routing and supply decoupling around the actual application role.
Is A6B273KA a voltage regulator?
Only if the device family is actually a regulator. Otherwise it should be treated as a driver or supervisor according to its real function.
What are common A6B273KA equivalent solutions?
Common candidates depend on package fit, temperature range, output structure, and whether the replacement preserves the same device role on the board.
A6B273KA Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Allegro MicroSystems
- Package/Case:
- 20-DIP (0.300", 7.62mm)
- Series:
- -
- Packaging:
- Tube
- Product Status:
- Obsolete
- Switch Type:
- Latched Driver
- Number of Outputs:
- 8
- Ratio - Input:Output:
- 1:1
- Output Configuration:
- Low Side
- Output Type:
- N-Channel
- Interface:
- Strobe, Parallel
- Voltage - Load:
- 50V (Max)
- Voltage - Supply (Vcc/Vdd):
- 4.5V ~ 5.5V
- Current - Output (Max):
- 150mA
- Rds On (Typ):
- 5.5Ohm
- Input Type:
- Inverting
- Features:
- -
- Fault Protection:
- -
- Operating Temperature:
- -40°C ~ 125°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Through Hole
- Supplier Device Package:
- 20-DIP
A6B273KA FAQ
1.How can I place an order for A6B273KA through Aetrix?
Please submit a Request for Quotation (RFQ) for A6B273KA on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for A6B273KA reliable?
The price and inventory of A6B273KA are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for A6B273KA is usually 5 days.
3.What payment methods are accepted for A6B273KA?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for A6B273KA transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for A6B273KA?
A6B273KA orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your A6B273KA order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for A6B273KA?
For technical support, including A6B273KA datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your A6B273KA requirements.
6.How does Aetrix verify that A6B273KA is sourced from the original manufacturer or authorized distributors?
All A6B273KA products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that A6B273KA meets industry standards.
7.What is the process for return or replacement of A6B273KA?
All A6B273KA units undergo pre-shipment inspection (PSI). If there is an issue with A6B273KA, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The A6B273KA part is unused and in its original packaging.
Return procedure for A6B273KA:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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