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Product Detailed Parameters
- Description：IC PWR DRIVER BIPOLAR 1:8 20SOIC
- Series：-
- Mfr：Allegro MicroSystems
- Package：Tube
- Switch Type：Latched Driver
- Number of Outputs：8
- Ratio - Input:Output：1:08
- Output Configuration：Low Side
- Output Type：Bipolar
- Interface：Strobe, Serial
- Voltage - Load：50V (Max)
- Voltage - Supply (Vcc/Vdd)：3V ~ 5.5V
- Current - Output (Max)：500mA
- Rds On (Typ)：-
- Input Type：Non-Inverting
- Features：-
- Fault Protection：-
- Operating Temperature：-40°C ~ 85°C (TA)
- Mounting Type：Surface Mount
- Supplier Device Package：20-SOIC
- Package / Case：20-SOIC (0.295", 7.50mm Width)
- Grade：-
- Qualification：-
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Overview
The A6841ELW-T is a bipolar latch driver IC from Allegro Microsystems, designed for power switching applications. It features a 1:20 input-to-output ratio and operates with a supply voltage range of 3V to 5.5V. The device supports a maximum load voltage of 60V and provides a maximum output current of 40mA per channel. It utilizes parallel and serial interfaces for control. The component is housed in a 28-SOIC package and is rated for an operating temperature range of -40°C to 85°C.
Feature Summary
- Supports high-density switching with a 1:20 input to output ratio
- Features dual interface compatibility including parallel and serial control options
- Integrated protection against reverse battery connections and over-temperature conditions
Applications
- Automotive interior lighting systems
- Industrial load switching
- Consumer electronics power management
Procurement Notes
Verify the specific suffix ELW-T against the manufacturer's latest datasheet to confirm pinout and electrical characteristics. Check for obsolescence status as Allegro frequently updates product lifecycles. Ensure the 28-SOIC package dimensions match your PCB footprint requirements before finalizing procurement.
Selection Notes
Select this component when a high channel count is required within a limited footprint. The 1:20 ratio reduces external component count compared to single-channel drivers. Verify that the 40mA output current meets the load requirements. Consider the serial interface if GPIO pins are scarce on the host microcontroller.
Part Context
This part belongs to the A68xx series of latch drivers from Allegro MicroSystems. These devices are engineered for automotive and industrial environments requiring robust magnetic sensing integration. The series offers various ratios and packages to accommodate different system density and interface needs.
Replacement Considerations
Publicly confirmed substitute part numbers for A6841ELW-T were not found in the provided source material. Consult Allegro MicroSystems directly for current equivalent recommendations or cross-reference guides.
