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MIC5841BWM
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Product Detailed Parameters
- Description：IC PWR DRIVER BIPOLAR 1:8 18SOIC
- Series：-
- Mfr：Microchip Technology
- 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：15V (Max)
- Voltage - Supply (Vcc/Vdd)：-
- Current - Output (Max)：500mA
- Rds On (Typ)：-
- Input Type：Non-Inverting
- Features：-
- Fault Protection：-
- Operating Temperature：-55°C ~ 85°C (TA)
- Mounting Type：Surface Mount
- Supplier Device Package：18-SOIC
- Package / Case：18-SOIC (0.295", 7.50mm Width)
- Grade：-
- Qualification：-
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Overview
The MIC5841BWM is an obsolete 8-bit serial-input latched driver manufactured by Microchip Technology using BiCMOS technology. It features a single function within an 18-pin SOIC W package, measuring 11.55 x 7.52 x 2.26 mm. The device operates in a unidirectional direction type with rising edge trigger functionality. It supports a supply voltage range of 4.5V to 5.5V and delivers 500 mA output current capability. The component functions as a Serial-In Parallel-Out (SIPO) based peripheral driver suitable for inductive loads.
Feature Summary
- Integrates transient-suppression diodes within the 500 mA outputs to handle inductive load switching
- Utilizes BiCMOS fabrication technology for robust performance in various applications
- Provides serial-to-parallel conversion capabilities for peripheral control
Applications
- Lamp driving circuits
- Relay control systems
- Solenoid actuation
Procurement Notes
This specific part number is discontinued and no longer carried by major distributors such as DigiKey. Verification of availability should focus on finding direct substitutes or checking obsolete inventory channels. Ensure that any replacement component matches the original pinout and electrical specifications to maintain system compatibility without redesigning the circuit board layout.
Selection Notes
Engineers selecting this component must account for its obsolete status. The primary selection criterion involves identifying a compatible replacement that maintains the 8-bit serial input architecture and 500 mA sink current capability. Verify that the substitute device supports the required 4.5V to 5.5V operating range and includes integral protection features for inductive loads to ensure reliable operation in the target application environment.
Part Context
The MIC5841BWM belongs to the MIC5841/5842 family of 8-bit serial-input latched drivers. These devices are designed for high-current peripheral interfacing tasks. The 'B' suffix typically denotes a specific temperature grade or packaging variant within the broader product line, distinguishing it from other revisions like the 'Y' series which may offer RoHS compliance updates.
Replacement Considerations
The MIC5841YWM is identified as a direct substitute for the MIC5841BWM. When replacing the obsolete unit, verify that the Y-series variant meets all mechanical and electrical requirements of the existing design to ensure seamless integration.
