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

STMicroelectronics VND5E050AK-E

Name: VND5E050AK-E
Brand: STMicroelectronics
SKU: VND5E050AK-E
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Part No.:: VND5E050AK-E

Manufacturer:: STMicroelectronics

Category:: Power Distribution Switches, Load Drivers

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

Datasheet:: VND5E050AK-E.pdf

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

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Product details

Overview

VND5E050AK-E from STMicroelectronics is a double-channel high-side driver IC for 12V automotive grounded loads, featuring integrated analog current sense per channel, 50 mΩ typical on-state resistance, 27 A typical current limitation, and CMOS-compatible 3.0 V logic inputs. It delivers active power limitation for inrush/overload management, off-state open-load detection, short-to-V_CC diagnosis, and thermal shutdown with auto-restart - deployed in body control modules for LED and solenoid driving.

For engineers reviewing the VND5E050AK-E datasheet, VND5E050AK-E pinout, VND5E050AK-E application, or VND5E050AK-E equivalent, key selection criteria include channel-wise current sense ratio (1440–3630 A/A), PowerSSO-24 thermal resistance (2.7 °C/W junction-to-case), reverse-battery protection capability, and diagnostic disable (CS_DIS) timing behavior under transient load conditions.

Technical Context

This device implements dual independent high-side switches using ST's VIPower M0-5 BCD technology, each with dedicated analog current sense output (CS1/CS2) delivering proportional I_OUT/I_SENSE ratios from 1440 to 3630 across temperature and load range. Protection architecture includes active power limitation during overload/short-to-ground, overvoltage clamp up to 52 V, and thermal shutdown at 150–200 °C with 7 °C hysteresis and auto-restart.

The logic interface supports 3.0 V CMOS input thresholds (V_IL = 0.9 V, V_IH = 2.1 V) with 0.25 V hysteresis, while CS_DIS enables global current sense disable via 2.1 V high-level signal. Diagnostic outputs provide real-time status for open-load (off-state), short-to-V_CC, and thermal events without requiring external comparators.

Key Specifications

Parameter	Value and Actual Design Meaning
Max supply voltage	41 V - withstands automotive load-dump transients without external clamping
Operating voltage range	4.5 V to 28 V - supports cold-crank (4.5 V) and boosted battery (28 V) operation
On-state resistance (per ch.)	50 mΩ typ. at 25°C - limits conduction loss to ≤100 mW at 1.4 A continuous load
Current limitation (typ.)	27 A - sustains short-circuit events with active power limiting to prevent thermal runaway
Standby supply current	2 µA - enables always-on functions in low-power body electronics without battery drain
Current sense ratio range	1440–3630 A/A - enables accurate load monitoring from 50 mA to 27 A with <±15% error over -40°C to +150°C
Thermal shutdown threshold	150°C - triggers auto-restart after cooldown to 135°C, enabling fault-tolerant operation

Pinout & Package

Supplied in PowerSSO-24 package: thermally enhanced exposed-tab SO-24 with V_CC-tied tab, 1.27 mm pitch, RoHS-compliant, ECOPACK® certified. Pin 1 marked by notch; top-view pin numbering follows standard PowerSSO layout.

Pin/Terminal	Circuit Role	Design Meaning
V_CC	Battery supply input	Primary power rail; ties to exposed thermal tab; must be reverse-battery protected externally
GND	Ground reference	System ground return; requires external diode/resistor network for reverse-battery survival
INPUT1 / INPUT2	CMOS logic control inputs	3.0 V compatible; 0.9 V low / 2.1 V high thresholds with 0.25 V hysteresis for noise immunity
OUTPUT1 / OUTPUT2	High-side switched outputs	Drive grounded resistive/inductive/capacitive loads; integrate fast demagnetization clamp (V_DEMAG)
CURRENT SENSE1 / CURRENT SENSE2	Analog current feedback outputs	Deliver I_SENSE = I_OUT/K₀ or I_OUT/K₁; support shared external sense resistor when CS_DIS = high
CS_DIS	Current sense disable enable	Active-high CMOS input (2.1 V threshold); disables both CS1/CS2 outputs to reduce system quiescent current

Key Features

Feature	Design Value
Inrush current active management	Power limitation circuit dynamically caps dI/dt during turn-on, preventing fuse blow and EMI spikes in lamp/LED circuits
Off-state open-load detection	Validates load continuity with <100 µA test current - detects broken wires or disconnected bulbs before activation
Short-to-V_CC diagnosis	Distinguishes hard short from normal load via differential voltage sensing at OUTPUTx, enabling safe fail-safe response
Reverse battery protection support	Internal structure tolerates -0.3 V on GND pin; external DGND/RGND network required to survive -14 V reverse condition
Thermal shutdown with auto-restart	Shuts down at 150°C and resumes operation only after junction cools to 135°C - avoids permanent lockout during intermittent faults

Applications

Automotive Body Control Module (BCM)

LED Headlamp Driver

Use Scenario: Centralized switching of door locks, window lifts, and interior lighting in 12V vehicle architectures.

IC Role / Device Role / Timing Role: Dual high-side switch providing isolated load control with diagnostics for CAN/FlexRay-linked microcontroller.

Use Value: Reduces wiring harness complexity by replacing relays; built-in open-load detection eliminates need for external sense resistors per channel.

Use Scenario: Driving high-brightness LED arrays in adaptive front-lighting systems (AFS) with PWM dimming.

IC Role / Device Role / Timing Role: Constant-current-capable high-side driver with fast current sense response (<1 µs delay) for closed-loop brightness regulation.

Use Value: Enables precise thermal derating via real-time I_SENSE feedback, extending LED lifetime under ambient temperature swings.

Engine Bay Solenoid Control

Smart Junction Box (SJB)

Use Scenario: Actuating fuel injectors, purge valves, and turbocharger vanes in harsh under-hood environments (-40°C to +150°C).

IC Role / Device Role / Timing Role: Robust high-side driver with integrated overvoltage clamp (52 V) and fast short-circuit response (<10 µs).

Use Value: Survives ISO 7637-2 pulse 5a/b load dump without external TVS, reducing BOM count and PCB area.

Use Scenario: Distributed power distribution unit managing up to 24 localized loads in modern vehicle electrical architectures.

IC Role / Device Role / Timing Role: Channel-isolated high-side switch with diagnostic reporting via SPI/I²C gateway (via MCU polling of CS pins).

Use Value: Enables predictive maintenance through cumulative fault logging (open-load count, thermal cycles, short events) per channel.

Equivalent & Alternatives

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

Alternative Part	Technical Difference	Application Difference	Selection Advice
VND5E050AJ-E	Identical electrical specs; housed in PowerSSO-12 (12-pin) instead of PowerSSO-24	Lower thermal performance (R_thj-case = 2.7 °C/W same, but smaller copper area limits power dissipation)	Select for space-constrained designs where 4.5 A continuous per channel suffices and PCB thermal relief is limited
TPS4H160-Q1	Single-channel, 160 mΩ R_ON, no analog current sense - uses digital fault reporting over SPI	Lacks per-channel analog I_SENSE; requires external ADC or MCU with high-resolution current sampling	Choose when system-level diagnostics are centralized and lower channel count reduces cost/complexity

Compared with VND5E050AK-E, the VND5E050AJ-E offers identical functionality in a smaller footprint but reduced thermal headroom, while the TPS4H160-Q1 trades analog sensing for digital configurability and higher integration density - making VND5E050AK-E optimal for analog-diagnostic–driven BCMs needing dual-channel precision current feedback.

Availability

VND5E050AK-E is available at Aetrix Electronics and suitable for automotive body control modules, LED lighting systems, engine bay solenoid drivers, and smart junction boxes requiring stable component supply across extended temperature ranges and long product lifecycles.

Supply support for VND5E050AK-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-grade power ICs, microcontrollers, and sensors with AEC-Q100 qualification and functional safety compliance.

The VND5E050AK-E belongs to ST's VIPower™ high-side driver family, engineered specifically for intelligent power distribution in 12V automotive applications demanding robust diagnostics, thermal resilience, and EMC-hardened operation.

FAQ

What is the maximum continuous current per channel at 105°C case temperature?

At T_c = 105°C, the device sustains ≥4.5 A continuous per channel in PowerSSO-24 with ≥100 cm² PCB copper area (2 oz), based on R_thj-amb ≈ 25 °C/W and 100 mΩ max R_ON. Derating curves in Figure 36 confirm this with 150°C T_j limit and 27 A short-circuit foldback.

How does the CS_DIS pin affect diagnostic functionality?

When CS_DIS is pulled high (>2.1 V), both CURRENT SENSE1 and CURRENT SENSE2 outputs are disabled - halting analog current feedback and eliminating associated leakage (≤1 µA). This allows sharing one external sense resistor among multiple VND5E050AK-E devices in multi-channel systems.

Can VND5E050AK-E drive inductive loads like fuel injectors without external flyback diodes?

Yes - it integrates an active demagnetization clamp (V_DEMAG = V_CC − 41 V) that safely recirculates inductive energy during turn-off. For L = 6 mH and I_OUT = 2 A, peak clamp voltage remains within absolute max rating, eliminating need for external diodes in most injector applications.

Is reverse-battery protection internal or external?

Reverse-battery protection is external: the device tolerates only −0.3 V on GND (Table 3), so a series diode (DGND) or resistor (RGND) network between GND pin and chassis ground is mandatory to survive −14 V reverse connection. Figure 32 shows validated implementation topologies.

VND5E050AK-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 ~ 28V

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

Current - Output (Max):: 19A

Rds On (Typ):: 50mOhm (Max)

Input Type:: Non-Inverting

Features:: Auto Restart

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

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

Grade:: -

Qualification:: -

Mounting Type:: Surface Mount

Supplier Device Package:: PowerSSO-24

VND5E050AK-E FAQ

1.How can I place an order for VND5E050AK-E through Aetrix?

Please submit a Request for Quotation (RFQ) for VND5E050AK-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 VND5E050AK-E reliable?

The price and inventory of VND5E050AK-E are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for VND5E050AK-E is usually 5 days.

3.What payment methods are accepted for VND5E050AK-E?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for VND5E050AK-E transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for VND5E050AK-E?

VND5E050AK-E orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your VND5E050AK-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 VND5E050AK-E?

For technical support, including VND5E050AK-E datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your VND5E050AK-E requirements.

6.How does Aetrix verify that VND5E050AK-E is sourced from the original manufacturer or authorized distributors?

All VND5E050AK-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 VND5E050AK-E meets industry standards.

7.What is the process for return or replacement of VND5E050AK-E?

All VND5E050AK-E units undergo pre-shipment inspection (PSI). If there is an issue with VND5E050AK-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 VND5E050AK-E part is unused and in its original packaging.

Return procedure for VND5E050AK-E:

1.Submit a request within 90 days.

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

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