Imagine you are designing a compact load switch or battery protection circuit with extremely limited board space, yet you need to handle -10A of current and a -20V voltage rail. Traditional PMOS FETs are either too large in package or have high conduction losses. The VBsemi PMPB29XPE,115-VB is designed for this very purpose—it packs a -20V voltage rating, -10A current capability, and a low on-resistance of 20mΩ into the ultra-small DFN6 (2x2) package, utilizing Trench technology to make high-density power management and portable device design more manageable.
Product Parameters (Key Performance Data) Drain-Source Voltage (VDS): -20V, suitable for low-voltage systems with ample safety margin Gate-Source Voltage (VGS): ±20V, compatible with various logic level drives Threshold Voltage (Vth): -0.6V, reliable turn-on with low-voltage control signals On-Resistance (RDS(on)): 20mΩ (at VGS=10V), 28mΩ (at VGS=4.5V), 40mΩ (at VGS=2.5V), lower losses and reduced temperature rise Maximum Drain Current (ID): -10A, high power density in a small package Technology: Trench, excellent switching characteristics and low switching losses
Domain and module applications：
Real-World Scenarios Battery Protection Board – Used as a discharge switch for battery packs, quickly cutting off the circuit during over-current or short circuit to protect cell safety. Load Switch – Achieves precise on/off control on -20V power rails with extremely low standby power consumption. DC-DC Converter – Used in the power stage of synchronous buck or boost topologies to improve conversion efficiency. Portable Device Power Management – Ultra-small DFN6 package, suitable for compact designs like smartphones, TWS earphones, and smartwatches. Motor Drive – Low on-resistance and fast switching capability enable efficient and smooth motor speed regulation. LED Drive Circuit – Stable current control ensures uniform brightness and no flicker. One-sentence summary: PMPB29XPE,115-VB is not an ordinary PMOS; it is the "space magician" and "efficiency champion" for your low-voltage negative power rail design.
* Please note: the above is only an example application scenario, the specific application depends on the requirements and conditions of the system design. When using this device, consult its data sheet for detailed technical specifications and features
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