Renesas HAF1002-92L

Overview

HAF1002-92L from Renesas Electronics is a silicon P-channel MOSFET designed for high-reliability power switching applications, featuring logic-level gate drive (–4 to –6 V), 60 V drain-to-source breakdown voltage, 15 A continuous drain current, and integrated overtemperature shutdown at 175°C junction temperature. It operates as a protected high-side load switch in automotive body electronics and industrial power distribution systems.

For engineers reviewing the HAF1002-92L datasheet, HAF1002-92L pinout, HAF1002-92L application, or HAF1002-92L equivalent, key selection criteria include its latch-type thermal shutdown behavior, 70–90 mΩ R_DS(on) at –10 V_GS, built-in short-circuit endurance, LDPAK (L) surface-mount package, and compatibility with 12–24 V DC bus systems requiring fault-safe operation.

Technical Context

The HAF1002-92L integrates a temperature-sensing circuit directly in the gate region that triggers a latch-type shutdown when channel temperature reaches 175°C, requiring full gate voltage removal (0 V recovery) to reset. Its gate threshold voltage range of –1.1 to –2.25 V enables direct interface with standard logic-level controllers without level-shifting.

This MOSFET exhibits low dynamic losses with 7.5 µs turn-on delay and 32 µs turn-off delay under –7.5 A/–5 V_GS conditions, and supports robust body-diode conduction with –1.0 V forward voltage at –15 A, making it suitable for inductive load switching with freewheeling requirements.

Key Specifications

Pinout & Package

Package: LDPAK (L), 4-pin surface-mount package per JEITA code PRSS0004AE-A, with exposed drain pad for thermal dissipation and mechanical robustness. Dimensions: 10.2 × 8.6 × 1.37 mm (L × W × H), mass 1.40 g.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar P-channel MOSFET power switching applications.

Compared with IXTP10P60P and STP12PF06, the HAF1002-92L delivers unique value through monolithic latch-type thermal protection, surface-mount LDPAK packaging, and logic-level gate compatibility-enabling safer, smaller, and simpler power switch designs without sacrificing ruggedness.

Availability

HAF1002-92L is available at Aetrix Electronics and suitable for automotive body electronics, industrial PLC outputs, smart fuse replacements, and DC power distribution units requiring stable component supply, long-term lifecycle support, and RoHS-compliant sourcing.

Supply support for HAF1002-92L 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

Renesas Electronics Corporation is a Japanese semiconductor manufacturer specializing in microcontrollers, analog and power devices, and SoC solutions for automotive, industrial, and infrastructure markets.

The HAF1002-92L belongs to Renesas' Silicon P-Channel MOSFET Series targeting high-reliability power switching applications where integrated thermal protection, logic-level drive, and compact surface-mount packaging are essential.

FAQ

What is the gate threshold voltage range for the HAF1002-92L?

The HAF1002-92L has a gate-to-source cutoff voltage (V_GS(off)) range of –1.1 V to –2.25 V, measured at I_D = –1 mA and V_DS = –10 V. This ensures consistent turn-on behavior with standard 3.3 V and 5 V logic outputs, and confirms the device is optimized for logic-level drive without external level shifters. The HAF1002-92L datasheet specifies this parameter under absolute maximum and electrical characteristics sections.

Does the HAF1002-92L require an external pull-down resistor on the gate?

Yes, the HAF1002-92L requires an external gate pull-down resistor (typically 10–100 kΩ) to ensure reliable turn-off and prevent floating gate conditions that could cause unintended conduction or thermal stress. While the device features internal gate protection circuitry, no internal pull-down is integrated. This design practice is explicitly recommended in Renesas application guidance for the HAF1002-92L series to maintain safe default-off operation.

How does the latch-type thermal shutdown work in the HAF1002-92L?

The HAF1002-92L uses a latch-type thermal shutdown circuit that disables the gate drive permanently once junction temperature reaches 175°C. Recovery requires removing all gate voltage (V_GS = 0 V) and allowing the device to cool; applying gate voltage before cooldown will not restore conduction. This behavior is documented in the "Over load shut down operation time" section of the HAF1002-92L datasheet and prevents unsafe re-engagement during fault conditions.

What is the maximum continuous drain current rating for the HAF1002-92L at 75°C case temperature?

At T_c = 75°C, the HAF1002-92L's maximum continuous drain current is derated to approximately –9.5 A, based on the "Power vs. Temperature Derating" curve on page 4 of the HAF1002-92L datasheet. This reflects linear thermal derating from 50 W at 25°C case temperature down to ~24 W at 75°C, maintaining safe channel temperature limits. The HAF1002-92L must be mounted on adequate copper area to achieve these ratings.

Is the HAF1002-92L suitable for PWM motor control applications?

The HAF1002-92L supports PWM operation with verified switching times (t_d(on) = 7.5 µs, t_f = 29 µs), but its 610 pF C_oss and lack of specified gate charge limit optimal efficiency above 20 kHz. It is best suited for low-frequency (< 5 kHz) PWM in fan speed control or solenoid duty cycling-not high-speed BLDC commutation. For such use, the HAF1002-92L must be paired with appropriate gate driver strength and layout to minimize ringing and EMI.