Diodes Incorporated DMN12M8UCA10-7

Overview

DMN12M8UCA10-7 from Diodes Incorporated is an N-channel enhancement-mode MOSFET optimized for ultra-low on-resistance (2.3 mΩ @ V_GS = 3.8 V) and high-current capability (25 A at T_A = +25°C), housed in a 2.98 mm × 1.49 mm CSP package with 0.11 mm profile. It serves as a high-efficiency load switch or battery protection device in space-constrained portable electronics.

For engineers reviewing the DMN12M8UCA10-7 datasheet, DMN12M8UCA10-7 pinout, DMN12M8UCA10-7 application, or DMN12M8UCA10-7 equivalent, key selection criteria include its 12 V V_SSS, ±8 V V_GSS, ESD-protected gate, and thermal resistance of 45.5 °C/W under recommended PCB layout - critical for thermally demanding battery management systems.

Technical Context

This dual-source MOSFET integrates two parallel N-channel channels in a single X4-DSN3015-10 chip-scale package, sharing common gate terminals (G1, G2) and isolated source terminals (S1, S2). Its low R_SS(ON) is achieved via advanced trench-gate process and optimized channel geometry, enabling efficient conduction at gate voltages as low as 2.5 V.

The device features integrated ESD protection on the gate (±10 µA I_GSS at ±8 V), operates across –55°C to +150°C junction temperature range, and exhibits normalized R_SS(ON) variation ≤1.6× over that range - supporting robust performance in automotive-grade thermal environments when qualified per AEC-Q101.

Key Specifications

Pinout & Package

Package: X4-DSN3015-10 - ultra-thin (0.11 mm), 2.98 mm × 1.49 mm chip-scale package with NiAu-plated terminals; moisture sensitivity level 1.

Key Features

Applications

Equivalent & Alternatives

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

Compared with DMN12M8UCA10-7, the -13 offers identical performance at higher volume efficiency, while the Q-7 adds automotive compliance overhead without electrical benefit - making the base -7 optimal for cost-sensitive, non-automotive high-density power switches.

Availability

DMN12M8UCA10-7 is available at Aetrix Electronics and suitable for battery protection circuits, smartphone load switching, and wireless earbud charging cases requiring stable component supply and consistent CSP footprint compatibility.

Supply support for DMN12M8UCA10-7 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

Diodes Incorporated is a global manufacturer of discrete semiconductors and analog ICs, specializing in high-performance power management, signal integrity, and protection solutions for consumer, industrial, and automotive markets.

The DMN12M8UCA10 belongs to Diodes' ultra-low-R_DS(ON) CSP MOSFET product line, engineered specifically for space-constrained, high-current battery management and load switching applications where thermal density and Z-height are primary constraints.

FAQ

What is the maximum continuous drain current at 70°C ambient?

The DMN12M8UCA10-7 supports 20 A continuous source current at T_A = +70°C when V_GS = 4.5 V, as specified in the Absolute Maximum Ratings table. This derating reflects thermal limitations of the X4-DSN3015-10 package on standard FR-4 PCBs without copper pour enhancements.

Does this MOSFET require external gate resistors for ESD protection?

No - the device integrates gate ESD protection rated to ±8 V, with gate leakage ≤±10 µA at ±8 V. External gate resistors are unnecessary for ESD hardening, though a small series resistor (≤10 Ω) may be used to dampen ringing in high-speed switching applications.

Can S1 and S2 be paralleled for higher current capacity?

Yes - S1 and S2 are electrically isolated source terminals connected to independent internal channels. Paralleling them doubles the effective current rating (to 50 A at T_A = +25°C) and halves R_SS(ON) in practice, provided both paths share identical PCB trace impedance and thermal coupling.

What is the recommended solder reflow profile for X4-DSN3015-10?

Diodes specifies JEDEC Level 1 moisture sensitivity, permitting standard Pb-free reflow profiles (peak 260°C, 30–60 sec above 217°C). The 0.11 mm height requires precise stencil aperture design (0.12 mm thickness, 80% area ratio) to prevent tombstoning and ensure void-free solder joints under the exposed drain pads.