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LM5101CMA
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Product Detailed Parameters
- Description：IC GATE DRVR HALF-BRIDGE 8SOIC
- Series：-
- Mfr：Texas Instruments
- Package：Tube
- Driven Configuration：Half-Bridge
- Channel Type：Independent
- Number of Drivers：2
- Gate Type：MOSFET (N-Channel)
- Voltage - Supply：9V ~ 14V
- Logic Voltage - VIL, VIH：2.3V, -
- Current - Peak Output (Source, Sink)：1A, 1A
- Input Type：Non-Inverting
- Rise / Fall Time (Typ)：990ns, 715ns
- Operating Temperature：-40°C ~ 125°C (TJ)
- Mounting Type：Surface Mount
- Package / Case：8-SOIC (0.154", 3.90mm Width)
- Supplier Device Package：8-SOIC
- Grade：-
- Qualification：-
- High Side Voltage - Max (Bootstrap)：118 V
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Overview
The LM5101CMA is a half-bridge gate driver manufactured by Texas Instruments, designed for driving N-channel MOSFETs. It operates within a supply voltage range of 9 V to 14 V and supports independent high-side and low-side outputs with a peak output current of 1 A. The device features TTL-compatible logic inputs and non-inverting signal paths. Key timing parameters include a maximum propagation delay of 26 ns, rise time of 990 ns, and fall time of 715 ns. It functions reliably across an extended temperature range from -40 °C to +125 °C and is housed in an SOIC-8 package.
Feature Summary
- Independent high-side and low-side drivers for N-channel MOSFET control
- TTL-compatible input logic levels for direct microcontroller interfacing
- Integrated under-voltage lockout protection for reliable operation
Applications
- Synchronous rectification circuits
- DC-DC converter topologies
- Motor drive systems
Procurement Notes
Verify the specific suffix 'CMA' against the manufacturer's official datasheet to confirm pinout compatibility and electrical specifications. Ensure the component meets RoHS requirements if applicable to your assembly process. Cross-reference the ordering number with authorized distributors to validate authenticity and traceability before procurement.
Selection Notes
Select this component when a 1 A drive current is sufficient for the target MOSFET gate charge requirements. It is suitable for applications requiring independent control of high and low-side switches without integrated bootstrap diodes. Consider the SOIC-8 package constraints for thermal management and PCB layout space compared to higher-current variants.
Part Context
This part belongs to the LM5101 family of high-voltage half-bridge gate drivers. It shares functional similarities with other members like the LM5101BMAX/NOPB but differs in output current capability and switching speed characteristics. The family is designed for robust performance in industrial and automotive power conversion environments.
Replacement Considerations
LM5101AMX/NOPB offers higher current and faster switching speeds. LM5101BMAX/NOPB provides intermediate performance between the C and A variants. Verify pinout compatibility and thermal requirements when substituting.
