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Home > Products > Integrated Circuits (ICs) > Power Management (PMIC) > Power Distribution Switches, Load Drivers

STMicroelectronics VN5025AJ-E

Name: VN5025AJ-E
Brand: STMicroelectronics
SKU: VN5025AJ-E
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Part No.:: VN5025AJ-E

Manufacturer:: STMicroelectronics

Category:: Power Distribution Switches, Load Drivers

Package:: PowerSSO-12

Datasheet:: VN5025AJ-E.pdf

Description:: IC PWR DRVR N-CHAN 1:1 PWRSSO12

Quantity:: RFQ Add To RFQ list

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Product details

Overview

VN5025AJ-E from STMicroelectronics is a single-channel automotive high-side driver with integrated analog current sense, designed for ground-referenced resistive, inductive, and capacitive loads. It features 25 mΩ on-state resistance (R_ON), 40 A typical current limitation (I_LIMH), ±12% current sense ratio drift over temperature and load, and operates across 4.5–36 V supply range - enabling robust LED and solenoid control in engine bay and body electronics.

For engineers reviewing the VN5025AJ-E datasheet, VN5025AJ-E pinout, VN5025AJ-E application, or VN5025AJ-E equivalent, key selection criteria include its PowerSSO-12 package thermal performance (R_thj-case = 1.4 °C/W), CMOS-compatible 3.0 V logic input, reverse battery protection capability, and proportional current sense with CS_DIS enable/disable control.

Technical Context

This device implements VIPower M0-7 technology to integrate power MOSFET, protection circuitry, and analog current sensing in a single monolithic die. Its active power limitation manages inrush current, while thermal shutdown with automatic restart ensures fault recovery without MCU intervention.

The current sense output delivers I_SENSE = I_OUT/K, where K varies from 1420 to 5180 depending on load and temperature; CS_DIS pin enables high-impedance disable mode. Protection includes undervoltage lockout (V_USD = 4.5 V), overvoltage clamp (up to 52 V), and self-limiting during fast thermal transients.

Key Specifications

Parameter	Value and Actual Design Meaning
Max supply voltage	41 V - withstands ISO 7637-2 Pulse 1 (−75 V) and Pulse 5b (+87 V) transients with external clamping network
Operating voltage range	4.5 V to 36 V - supports cold-crank (4.5 V) and load-dump (36 V) conditions in 12 V automotive systems
On-state resistance	25 mΩ @ 25°C - limits conduction loss to ≤250 mW at 10 A, enabling high-efficiency solenoid/LED drive
Current limitation	40 A typ. - protects against short-to-ground faults while sustaining >5 s overload before thermal shutdown
Standby supply current	2 µA - minimizes battery drain in always-on modules such as door control units
Current sense accuracy	±12% full-scale drift - enables reliable open-load detection and closed-loop current monitoring across −40°C to 150°C
Thermal shutdown threshold	150°C - triggers safe power-down before silicon damage; auto-restart occurs after junction cools to 135°C

Pinout & Package

Delivered in PowerSSO-12 surface-mount package with exposed thermal pad (TAB connected to VCC), optimized for PCB heat dissipation in automotive under-hood environments.

Pin/Terminal	Circuit Role	Design Meaning
VCC (Pins 1,2,12)	Battery supply input	Three parallel pins reduce bond-wire inductance and improve current sharing; internal clamp protects against 52 V transients
OUTPUT (Pin 3)	High-side power output	Drives load between this pin and GND; integrates output diode for reverse-battery demagnetization energy handling
GND (Pin 4)	Ground reference	Must be externally protected against reverse battery via resistor/diode network per Figure 26
INPUT (Pin 5)	CMOS logic control input	Hysteresis (0.25 V) prevents noise-induced switching; compatible with 3.0 V microcontrollers
CURRENT SENSE (Pin 6)	Analog current feedback output	Sinks I_SENSE = I_OUT/K; requires external sense resistor to convert to voltage; max 5 V output
CS_DIS (Pin 7)	Current sense enable/disable	Active-high CMOS input; drives CURRENT SENSE pin to high-Z when high, eliminating leakage path during sleep

Key Features

Feature	Design Value
Inrush current management	Active power limitation prevents voltage sag during cold-crank startup of high-capacitance LED arrays
Proportional current sense	Programmable gain (K = 1420–5180) enables accurate real-time load current monitoring without shunt resistor
Reverse battery protection	Supports external GND-line diode/resistor network (Figure 26) to survive −14 V reverse connection without damage
EMC-optimized switching	Controlled dV/dt (turn-on/off slopes) and layout-aware PowerSSO-12 footprint reduce radiated emissions in CISPR 25 Class 5 systems
Thermal fault recovery	Auto-restart after thermal shutdown eliminates need for external watchdog or reset circuitry in body control modules

Applications

Automotive Lighting Control

Engine Management Actuation

Use Scenario: Driving high-brightness LED headlamps and DRLs in AHB and matrix lighting systems.

IC Role / Device Role / Timing Role: High-side switch with analog current feedback for PWM dimming and open-circuit fault detection.

Use Value: 25 mΩ R_ON minimizes thermal rise at 3 A continuous, while ±12% current sense drift enables compliance with ASIL-B functional safety requirements.

Use Scenario: Controlling fuel injectors, idle air control valves, and turbocharger vanes in engine ECUs.

IC Role / Device Role / Timing Role: Robust high-side driver with fast turn-off (<50 µs delay) and demagnetization energy handling up to 140 mJ.

Use Value: Integrated V_CLAMP and thermal foldback protect against inductive kickback and sustained short circuits during cranking.

Body Electronics Load Switching

Chassis & Safety Module Actuation

Use Scenario: Power distribution to window lift motors, seat adjusters, and mirror heaters in door modules.

IC Role / Device Role / Timing Role: Protected high-side switch with diagnostic current sense for load verification and stall detection.

Use Value: 2 µA standby current extends battery life in valet mode; CS_DIS pin allows complete analog sense disable during deep sleep.

Use Scenario: Driving ABS solenoids, airbag pretensioners, and electronic parking brake actuators.

IC Role / Device Role / Timing Role: AEC-Q100 qualified high-side driver with <150°C shutdown and automatic recovery for fail-operational behavior.

Use Value: 40 A current limit and 1.4 °C/W R_thj-case ensure reliable operation under 105°C ambient + self-heating in brake control units.

Equivalent & Alternatives

The following parts are listed as comparable options for similar high-side driver applications.

Alternative Part	Technical Difference	Application Difference	Selection Advice
TPS4H160-Q1	Higher R_ON (160 mΩ), no analog current sense, integrated diagnostics via SPI	Requires external ADC for current monitoring; better suited for digital BMS communication stacks	Select when CAN-based diagnostics and programmable fault response outweigh analog sense needs
BDL101AH	Lower current limit (12 A), smaller SO-8 package, no thermal shutdown auto-restart	Limited to low-power interior lighting; lacks automotive transient immunity (ISO 7637-2 Pulse 5b)	Choose only for cost-sensitive non-critical 12 V accessories with ambient <85°C

Compared with TPS4H160-Q1 and BDL101AH, VN5025AJ-E uniquely balances high-current capability (40 A), precision analog sense (±12% drift), and autonomous thermal recovery - making it optimal for safety-critical, high-power automotive loads where analog feedback and fault resilience are mandatory.

Availability

VN5025AJ-E is available at Aetrix Electronics and suitable for automotive lighting control, engine actuation, body electronics load switching, and chassis/safety module actuation requiring stable component supply across extended temperature and lifetime requirements.

Supply support for VN5025AJ-E 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

STMicroelectronics is a global semiconductor leader headquartered in Geneva, Switzerland, specializing in automotive, industrial, and power management ICs with broad AEC-Q100 qualification coverage.

VN5025AJ-E belongs to ST's VIPower high-side driver family, engineered specifically for automotive body and powertrain applications demanding high reliability, integrated protection, and diagnostic capability under harsh electrical and thermal conditions.

FAQ

What is the maximum continuous output current rating for VN5025AJ-E?

The device is internally current-limited to 40 A typical (I_LIMH) under DC short-circuit conditions at V_CC = 13 V. Continuous safe operating current depends on PCB copper area and ambient temperature; with 200 cm² of 2 oz copper, it sustains 12 A continuously at 85°C ambient per Figure 29 and Table 5.

How does the CS_DIS pin affect current sense functionality?

When CS_DIS is driven high (≥2.1 V), the CURRENT SENSE pin enters high-impedance state with ≤1 µA leakage, effectively disabling analog feedback. When low (≤0.9 V) or floating, it sinks I_SENSE = I_OUT/K, where K ranges from 1420 to 5180 based on load and temperature per Table 10.

Can VN5025AJ-E survive reverse battery connection?

Yes - but only with external GND-line protection. The device itself is not reverse-battery tolerant; Figure 26 shows two validated networks: a series resistor (R_GND) or Schottky diode (D_GND) between GND pin and system ground, limiting reverse current to <200 mA per Absolute Maximum Ratings.

What is the purpose of the three VCC pins in the PowerSSO-12 package?

The three VCC pins (1, 2, 12) provide parallel current paths to reduce bond-wire resistance and inductance, improving transient response and thermal distribution. This configuration supports high peak currents (e.g., 40 A short-circuit) while maintaining low voltage drop and minimizing localized heating at the die interface.

VN5025AJ-E Specifications

Product attributes: Attribute value

Manufacturer:: STMicroelectronics

Package/Case:: PowerSSO-12

Series:: VIPower™

Packaging:: Tube

Product Status:: Obsolete

Switch Type:: General Purpose

Number of Outputs:: 1

Ratio - Input:Output:: 1:1

Output Configuration:: High Side

Output Type:: N-Channel

Interface:: On/Off

Voltage - Load:: 4.5V ~ 36V

Voltage - Supply (Vcc/Vdd):: Not Required

Current - Output (Max):: 28A

Rds On (Typ):: 25mOhm (Max)

Input Type:: Non-Inverting

Features:: Auto Restart

Fault Protection:: Current Limiting (Fixed), Over Temperature, Over Voltage

Operating Temperature:: -40°C ~ 150°C (TJ)

Grade:: -

Qualification:: -

Mounting Type:: Surface Mount

Supplier Device Package:: PowerSSO-12™

VN5025AJ-E FAQ

1.How can I place an order for VN5025AJ-E through Aetrix?

Please submit a Request for Quotation (RFQ) for VN5025AJ-E on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.

2.Are the price and stock information for VN5025AJ-E reliable?

The price and inventory of VN5025AJ-E are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for VN5025AJ-E is usually 5 days.

3.What payment methods are accepted for VN5025AJ-E?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for VN5025AJ-E transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for VN5025AJ-E?

VN5025AJ-E orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your VN5025AJ-E order is processed, you will receive an email with the shipment details and tracking number.

Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.

5.How can I obtain technical support or documentation for VN5025AJ-E?

For technical support, including VN5025AJ-E datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your VN5025AJ-E requirements.

6.How does Aetrix verify that VN5025AJ-E is sourced from the original manufacturer or authorized distributors?

All VN5025AJ-E products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that VN5025AJ-E meets industry standards.

7.What is the process for return or replacement of VN5025AJ-E?

All VN5025AJ-E units undergo pre-shipment inspection (PSI). If there is an issue with VN5025AJ-E, returns or replacements are accepted under the following conditions:

1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.

2.The issue is reported within 90 days of delivery.

3.The VN5025AJ-E part is unused and in its original packaging.

Return procedure for VN5025AJ-E:

1.Submit a request within 90 days.

2.Obtain a Return Material Authorization (RMA) from Aetrix.

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