Texas Instruments CSD13303W1015

Overview

CSD13303W1015 from Texas Instruments is an N-channel NexFET™ power MOSFET in a 1 × 1.5 mm wafer-level DSBGA package, rated for 12 V drain-to-source voltage, 16 mΩ R_DS(on) at V_GS = 4.5 V and I_D = 1.5 A, with 3.9 nC total gate charge and 0.85 V gate threshold voltage - optimized for ultra-low-loss load switching in space-constrained battery management systems.

For engineers reviewing the CSD13303W1015 datasheet, CSD13303W1015 pinout, CSD13303W1015 application, or CSD13303W1015 equivalent, this device's wafer-level CSP footprint, sub-1V logic-level gate drive compatibility, and 0.62 mm profile are critical selection factors for high-density portable power rails and battery protection IC co-location.

Technical Context

This MOSFET employs a silicon-based trench-gate process to achieve ultra-low R_DS(on) (16 mΩ @ 4.5 V) and minimal Q_g/Q_gd (3.9 nC / 0.4 nC), enabling fast, low-loss switching with reduced gate driver power demand. Its DSBGA (YZC) package integrates three drain terminals (A1/B1/C1), one gate (A2), and two source terminals (B2/C2) on a 0.5 mm pitch.

Thermal performance is defined by R_θJA = 94.6°C/W on 1 in² 2 oz. Cu PCB, supporting continuous 3.5 A drain current at T_C = 25°C. The device operates across –55°C to 150°C junction temperature, with built-in body diode (V_SD = 0.7–1.0 V at 1.5 A) and ESD-sensitive gate structure requiring handling precautions.

Key Specifications

Pinout & Package

Package: DSBGA (YZC), 6-terminal wafer-level chip-scale package with solder bumps; dimensions 1.0 mm × 1.5 mm × 0.62 mm; RoHS-compliant, halogen-free, SnAgCu finish; MSL Level-1.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar N-channel load switch applications.

Compared with BSC010N04LS6 and NTMFS4C02NT1G, the CSD13303W1015 delivers optimal trade-off of ultra-small size, logic-level drive, and low-loss switching for sub-5 A battery-fed systems where vertical clearance and PCB real estate are primary constraints.

Availability

CSD13303W1015 is available at Aetrix Electronics and suitable for battery management, load switching, and battery protection applications requiring stable component supply, consistent wafer-level packaging, and long-term industrial availability.

Supply support for CSD13303W1015 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

Texas Instruments is a global semiconductor company specializing in analog, embedded processing, and power management technologies, with leadership in high-reliability, low-power signal chain and power solutions.

The CSD13303W1015 belongs to TI's NexFET™ power MOSFET product line, engineered specifically for ultra-compact, high-efficiency DC power switching in portable and wearable electronics where thermal and spatial constraints dominate design decisions.

FAQ

What is the maximum continuous drain current rating for CSD13303W1015?

The CSD13303W1015 supports 3.5 A continuous drain current at case temperature T_C = 25°C with adequate PCB copper area (1 in², 2 oz.). At higher temperatures or reduced copper, derating applies per the R_θJA = 94.6°C/W thermal metric. The CSD13303W1015 datasheet specifies pulsed current up to 31 A for ≤1 ms pulses at ≤2% duty cycle.

Does CSD13303W1015 require a gate resistor for stability?

The CSD13303W1015 benefits from a small series gate resistor (typically 1–10 Ω) to dampen ringing caused by parasitic inductance in high-speed switching. TI's characterization used R_G = 4 Ω for timing measurements. While not strictly required for DC operation, a gate resistor improves EMI performance and prevents unintended oscillation when driven by low-impedance logic sources.

Can CSD13303W1015 be used in reverse conduction mode (source-to-drain)?

Yes - the CSD13303W1015 includes an integrated body diode with V_SD = 0.7–1.0 V at 1.5 A and reverse recovery charge Q_rr = 14 nC. It supports controlled reverse conduction in battery backup paths or bidirectional power transfer, though synchronous rectification with external control yields better efficiency than relying on the intrinsic diode.

What is the recommended land pattern for CSD13303W1015?

Texas Instruments provides a validated land pattern in the SLPS298A datasheet (page 6), specifying 0.25 mm diameter solder pads on 0.5 mm pitch with non-solder-mask-defined (NSMD) copper. The pattern accommodates the six solder bumps (A1/A2/B1/B2/C1/C2) and ensures reliable reflow joint formation and mechanical robustness under thermal cycling.

Is CSD13303W1015 compatible with lead-free reflow processes?

Yes - the CSD13303W1015 uses SnAgCu (SAC305) ball metallurgy and carries JEDEC MSL Level-1 rating with unlimited floor life at ≤30°C/60% RH. It is qualified for peak reflow temperatures up to 260°C and fully compliant with IPC-J-STD-020D, making it suitable for standard lead-free assembly lines without special baking or handling.