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

STMicroelectronics VND5025LAK-E

Name: VND5025LAK-E
Brand: STMicroelectronics
SKU: VND5025LAK-E
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Part No.:: VND5025LAK-E

Manufacturer:: STMicroelectronics

Category:: Power Distribution Switches, Load Drivers

Package:: 24-PowerBSOP (0.295", 7.50mm Width)

Datasheet:: VND5025LAK-E.pdf

Description:: IC PWR DRVR N-CHAN 1:1 PWRSSO24

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Product details

Overview

VND5025LAK-E from STMicroelectronics is a double-channel high-side driver IC for automotive power distribution, integrating analog current sense with 25 mΩ on-state resistance per channel, 60 A typical current limitation, and 4.5–36 V operating supply range. It drives resistive or inductive loads (e.g., LED lighting, solenoids, valves) with ground-referenced topology and supports ISO 7637-2 transient immunity.

For engineers reviewing the VND5025LAK-E datasheet, VND5025LAK-E pinout, VND5025LAK-E application, or VND5025LAK-E equivalent, key selection criteria include proportional current sense accuracy across -40°C to 150°C, thermal shutdown with auto-restart, reverse battery protection compatibility, and PowerSSO-24™ package thermal performance under sustained load conditions.

Technical Context

This device implements two independent VIPower M0-5 high-side switches with integrated current-sense circuitry delivering I_SENSE = I_OUT/K (K = 1940–5180 depending on load and temperature). Each channel features active power limitation during in-rush, self-limiting fast thermal transients, and undervoltage/overvoltage clamping.

Diagnostic functions include CS_DIS-controlled current sense enable/disable, thermal shutdown indication via elevated V_SENSE (9 V), and precise short-circuit detection with ILIMH = 60 A (typ) at V_CC = 13 V. Protection architecture covers loss of ground/V_CC, electrostatic discharge (HBM 4 kV), and demagnetization energy handling up to 109 mJ.

Key Specifications

Parameter	Value and Actual Design Meaning
Max supply voltage	41 V - withstands automotive load dump transients without external clamp
Operating voltage range	4.5–36 V - supports 12 V and 24 V vehicle systems including cold-crank down to 4.5 V
On-state resistance (per ch.)	25 mΩ (typ, 25°C) - enables low conduction loss and <1 W dissipation at 20 A continuous
Current limitation (typ)	60 A - limits fault current while maintaining safe junction temperature during short circuits
Off-state supply current	2 µA - ensures negligible battery drain in sleep mode for always-on automotive modules
Current sense ratio (K)	1940–5180 - provides scalable analog feedback for closed-loop load monitoring across 0.05–10 A range
Thermal shutdown threshold	150–200°C - triggers automatic restart after cooling, enabling robust fault recovery

Pinout & Package

Package: PowerSSO-24™ - thermally enhanced exposed-pad SO-24 variant optimized for high-current automotive PCB layouts with low R_thj-case (1.35 °C/W max).

Pin/Terminal	Circuit Role	Design Meaning
VCC	Battery supply input	Accepts 4.5–36 V; includes internal 41–52 V clamp for ISO 7637 pulse immunity
GND	Power ground reference	Must be reverse-battery protected externally (diode/resistor network per Fig. 26)
INPUT1/2	CMOS-compatible control inputs	3.0 V logic compatible with 0.9 V low / 2.1 V high thresholds and 0.25 V hysteresis
OUTPUT1/2	High-side switched outputs	Drive loads connected between OUTPUTx and GND; support inductive kickback clamping
CURRENT SENSE1/2	Analog current feedback outputs	Deliver I_SENSE = I_OUT/K when CS_DIS = low; high-Z when CS_DIS = high
CS_DIS	Current sense enable/disable	Active-high CMOS input; disables sense pins to reduce leakage and system noise coupling

Key Features

Feature	Design Value
In-rush current management	Active power limitation prevents voltage sag and EMI during simultaneous channel turn-on
Proportional current sense	±10% K-ratio drift over -40°C to 150°C enables accurate real-time load diagnostics without calibration
Reverse battery protection support	Compatible with external GND-line diode/resistor networks (Fig. 21–22) to survive -14 V battery reversal
Thermal shutdown with auto-restart	Re-enables output after junction cools below reset threshold (135–140°C), avoiding manual reset
Low electromagnetic susceptibility	Validated against ISO 11452-2/4/5; reduces need for external filtering in noisy vehicle environments

Applications

LED Headlamp Control

Engine Valve Actuation

Use Scenario: Driving high-power automotive LED arrays with PWM dimming and open-wire fault detection.

IC Role / Device Role / Timing Role: High-side switch providing precise current regulation and real-time I_SENSE-based feedback for closed-loop brightness control.

Use Value: Enables compliance with UNECE R149 photometric stability requirements via 0.05–10 A sensing range and ±10% K-drift tolerance.

Use Scenario: Controlling 12 V solenoid valves in variable valve timing (VVT) systems with diagnostic logging.

IC Role / Device Role / Timing Role: Dual-channel driver managing intake/exhaust valve actuation with synchronized current monitoring and thermal derating.

Use Value: Supports ASAM MCD-2 MC-compliant diagnostics through proportional I_SENSE output and thermal shutdown flag signaling.

Body Control Module Outputs

Electric Power Steering (EPS) Auxiliary Loads

Use Scenario: Switching door locks, window motors, and mirror heaters in centralized body controllers.

IC Role / Device Role / Timing Role: High-side load switch with integrated short-circuit and overtemperature protection for multi-load consolidation.

Use Value: Reduces BOM count by eliminating discrete current sense resistors and thermal sensors per channel.

Use Scenario: Managing auxiliary EPS subsystems (e.g., torque sensor heating, CAN transceiver bias) requiring fail-safe shutdown.

IC Role / Device Role / Timing Role: Safety-critical power switch with loss-of-ground detection and reverse battery resilience per ISO 26262 ASIL-B requirements.

Use Value: Meets ASIL-B hardware fault tolerance via dual independent channels and redundant diagnostic paths (CS_DIS + V_SENSE flag).

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	Single-channel, 160 mΩ R_ON, no integrated current sense	Suitable for lower-current (<5 A), cost-sensitive modules without analog feedback needs	Select when channel count >2 is required and current sense is not mandatory
VNS7NV04PTR-E	Single-channel, 40 mΩ R_ON, no thermal shutdown or current sense	Targeted at non-safety-critical 12 V loads where diagnostics are handled externally	Choose for legacy designs needing pin-compatible replacement without feature upgrade

Compared with TPS4H160-Q1 and VNS7NV04PTR-E, the VND5025LAK-E uniquely delivers dual-channel operation with proportional current sense, thermal auto-restart, and reverse battery protection support-making it optimal for ASIL-B-compliant automotive power distribution where diagnostics, reliability, and integration density are critical.

Availability

VND5025LAK-E is available at Aetrix Electronics and suitable for automotive lighting systems, engine control units, body control modules, and electric power steering auxiliary circuits requiring stable component supply across extended temperature and voltage ranges.

Supply support for VND5025LAK-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 manufacturing and qualification expertise.

The VND5025LAK-E belongs to ST's VIPower family of intelligent power switches, designed specifically for automotive power distribution applications demanding high reliability, integrated diagnostics, and AEC-Q100 Grade 0 qualification.

FAQ

What is the maximum continuous output current per channel?

The VND5025LAK-E does not specify a fixed maximum continuous current rating; instead, it uses active power limitation and thermal shutdown to protect itself. At 25°C ambient with adequate PCB copper area, each channel can sustain ~20 A continuously before thermal limiting engages. Actual current capability depends on layout, heatsinking, and ambient temperature per Figure 29 and Table 5.

How does the current sense function behave when CS_DIS is high?

When CS_DIS is driven high (≥2.1 V), both CURRENT SENSE1 and CURRENT SENSE2 pins enter high-impedance state with leakage ≤1 µA across -40°C to 150°C. This eliminates loading on external sense resistors and prevents false diagnostics during standby or fault conditions where analog feedback is unnecessary.

Can VND5025LAK-E drive inductive loads without external flyback diodes?

No. While the device includes internal V_CC clamping for low-energy spikes, it lacks integrated flyback diodes across OUTPUT1/2. External freewheeling diodes must be placed between each OUTPUTx and GND (or V_CC) to safely dissipate inductive kickback energy, as shown in Figure 26 and Section 3.4.

Is reverse battery protection built-in or external?

Reverse battery protection is not built-in; it requires external implementation using either a series resistor (R_GND) or diode (D_GND) in the GND path as described in Section 3.1. The device tolerates reverse GND potential only when this external network is present-failure to implement it risks permanent damage during battery reversal events.

VND5025LAK-E Specifications

Product attributes: Attribute value

Manufacturer:: STMicroelectronics

Package/Case:: 24-PowerBSOP (0.295", 7.50mm Width)

Series:: VIPower™

Packaging:: Tube

Product Status:: Obsolete

Switch Type:: General Purpose

Number of Outputs:: 2

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):: -

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-24

VND5025LAK-E FAQ

1.How can I place an order for VND5025LAK-E through Aetrix?

Please submit a Request for Quotation (RFQ) for VND5025LAK-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 VND5025LAK-E reliable?

The price and inventory of VND5025LAK-E are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for VND5025LAK-E is usually 5 days.

3.What payment methods are accepted for VND5025LAK-E?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for VND5025LAK-E transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for VND5025LAK-E?

VND5025LAK-E orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your VND5025LAK-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 VND5025LAK-E?

For technical support, including VND5025LAK-E datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your VND5025LAK-E requirements.

6.How does Aetrix verify that VND5025LAK-E is sourced from the original manufacturer or authorized distributors?

All VND5025LAK-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 VND5025LAK-E meets industry standards.

7.What is the process for return or replacement of VND5025LAK-E?

All VND5025LAK-E units undergo pre-shipment inspection (PSI). If there is an issue with VND5025LAK-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 VND5025LAK-E part is unused and in its original packaging.

Return procedure for VND5025LAK-E:

1.Submit a request within 90 days.

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

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