Nexperia USA Inc. PBLS1501V,115

Overview

PBLS1501V,115 from NXP Semiconductors is a dual-function 6-pin SOT666 load switch integrating a low-V_CE(sat) PNP BISS transistor (TR1) and an NPN resistor-equipped transistor (TR2) in one monolithic package. It delivers −500 mA DC collector current with 300–500 mΩ equivalent on-resistance at IC = −500 mA/IB = −50 mA, supports ±15 V PNP and +50 V NPN V_CEO, and serves as a high-side supply line or LED backlight switch in portable equipment.

For engineers reviewing the PBLS1501V,115 datasheet, PBLS1501V,115 pinout, PBLS1501V,115 application, or PBLS1501V,115 equivalent, this device offers verified low-threshold switching (<1 V), space-saving integration of complementary load-switch functions, and validated thermal resistance of 416 K/W in SOT666 packaging for battery-powered and space-constrained designs.

Technical Context

The PBLS1501V integrates two discrete transistors: TR1 is a PNP BISS (Buried-Intrinsic-Silicon-Structure) transistor optimized for low saturation voltage and high current gain (h_FE = 90 at −500 mA), while TR2 is an NPN resistor-equipped transistor with integrated R1 = 2.2 kΩ input bias resistor and R2/R1 = 1.0 ratio for predictable turn-on/off thresholds. Both share a common GND terminal (Pin 4) and operate with independent control paths.

TR1's V_CE(sat) reaches −250 mV at −500 mA/−50 mA drive, enabling efficient high-side switching without external base resistors; TR2 provides logic-level compatible VI(on) = 1.6 V and VI(off) = 1.2 V, allowing direct microcontroller GPIO interfacing without level-shifting. The dual-transistor architecture eliminates discrete bias networks and reduces PCB footprint by >40% versus discrete solutions.

Key Specifications

Pinout & Package

Package: SOT666 - 6-lead plastic surface-mounted package, 1.7 mm × 1.5 mm footprint, 0.65 mm pitch, 0.5 mm height, designed for automated reflow assembly per IEC 60134 standards.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar dual-transistor load-switch applications.

Compared with NSV11201MT1G and EMH11T2R, PBLS1501V,115 uniquely combines high-current PNP BISS switching with integrated NPN logic interface in one SOT666 package-enabling true high-side/low-side co-location, eliminating cross-talk risks, and supporting >500 mA loads with sub-0.3 V drop.

Availability

PBLS1501V,115 is available at Aetrix Electronics and suitable for portable equipment supply switching, LED backlight control, battery charger path management, and high-side sensor powering requiring stable component supply, long-term lifecycle assurance, and RoHS-compliant sourcing.

Supply support for PBLS1501V,115 includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.

Manufacturer

NXP Semiconductors is a global semiconductor company headquartered in Eindhoven, Netherlands, specializing in secure connectivity solutions for automotive, industrial, and consumer markets.

PBLS1501V,115 belongs to NXP's BISS transistor and resistor-equipped transistor (RET) product line, engineered specifically for compact, high-efficiency load switching in battery-powered portable electronics with stringent size and thermal constraints.

FAQ

What is the maximum continuous current rating for the PNP transistor (TR1) in PBLS1501V,115?

The PNP transistor TR1 is rated for −500 mA DC collector current under standard FR4 board conditions (T_amb ≤ 25 °C). At this current with −50 mA base drive, it achieves −250 mV V_CE(sat) and operates within its 200 mW per-transistor power limit. Derating is required above 25 °C ambient per the 416 K/W thermal resistance specification.

Can PBLS1501V,115 be used as a standalone high-side switch without external components?

Yes-PBLS1501V,115 integrates all necessary biasing for both transistors: TR1 requires only a base drive signal (Pin 2), and TR2's input (Pin 5) includes R1 = 2.2 kΩ, enabling direct connection to 1.8 V–12 V logic sources. No external resistors, capacitors, or level shifters are needed for basic on/off control in typical portable applications.

How does the R2/R1 bias resistor ratio affect switching behavior?

The R2/R1 ratio of 0.8–1.2 sets the internal voltage divider that determines TR2's VI(on) and VI(off) thresholds. A nominal ratio of 1.0 yields VI(on) = 1.6 V and VI(off) = 1.2 V, providing 400 mV hysteresis to reject noise and prevent oscillation during slow-rising or noisy control signals-critical for reliable operation in handheld devices.

Is PBLS1501V,115 pin-compatible with PBLS1501Y,115?

No-PBLS1501V uses SOT666 packaging (1.7 mm × 1.5 mm), while PBLS1501Y uses SOT363 (SC-88, 2.2 mm × 1.8 mm). Although both share identical pin numbering and electrical function, their footprints are mechanically incompatible; PCB layout and stencil design must be revised when substituting between them.