LM5102MM/NOPB

Texas Instruments

Texas Instruments LM5102MM/NOPB half-bridge gate driver for N-Channel MOSFETs, 1.6A peak source/sink, 118V bootstrap, 9-14V supply, 600ns rise/fall, -40°C to 125°C, 10-VSSOP package.

Texas Instruments LM5102MM/NOPB
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Technical specifications

LM5102MM/NOPB specifications
Parameter / AttributeSpecification / Value
Gate typeN-Channel MOSFET
Input typeNon-Inverting
Channel typeIndependent
MountingSurface Mount
Supply voltage9V ~ 14V
Logic voltage - VIL, VIH0.8V, 2.2V
High side voltage - max (Bootstrap)118 V
Current - peak output (Source, sink)1.6A, 1.6A
Operating temperature-40°C ~ 125°C (TJ)
PackageTape & Reel (TR); Cut Tape (CT)
Case10-TFSOP, 10-MSOP (0.118\", 3.00mm Width)
Number of drivers2
Driven configurationHalf-Bridge
Rise (Fall time)600ns, 600ns

Technical details

Half-bridge driver with 1.6 A peak output — what it buys the design

That 1.6 A rating is what determines how fast it can charge and discharge the gate capacitance of the switching FETs — enough for medium-power motor drives, DC-DC converters, and inverter stages where you're not pushing into the hundreds of kilohertz. The 118 V maximum bootstrap voltage sets the high-side rail ceiling, so this driver fits designs with bus voltages up to around 100 V with margin. Supply range is 9 V to 14 V, which aligns with standard bias rails from a 12 V auxiliary supply.

600 ns rise/fall — the switching speed trade-off

That means the LM5102MM/NOPB is best suited for applications where switching losses aren't the primary concern — think 20-50 kHz PWM in motor drives or power inverters, not a 500 kHz point-of-load converter. The slower edges also reduce radiated EMI, which can simplify layout and filtering in noisy industrial environments. If you need faster switching, the LM5106MM/NOPB sibling drops rise/fall to 15 ns and 10 ns respectively, but at a lower 1.2 A peak output.

The 10-VSSOP package (3.00 mm width, 0.118" pitch) is a compact surface-mount footprint that fits tight PCB layouts. Non-inverting inputs and independent channel control give flexibility for driving both high-side and low-side FETs in a half-bridge configuration.

LM5102MM/NOPB
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