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

STMicroelectronics VND9025AJTR

Name: VND9025AJTR
Brand: STMicroelectronics
SKU: VND9025AJTR
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Part No.:: VND9025AJTR

Manufacturer:: STMicroelectronics

Category:: Power Distribution Switches, Load Drivers

Package:: 16-PowerLFSOP (0.154", 3.90mm Width)

Datasheet:: VND9025AJTR.pdf

Description:: AUTOMOTIVE ANALOG AND POWER

Quantity:: RFQ Add To RFQ list

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Product details

Overview

VND9025AJTR from STMicroelectronics is a double-channel automotive smart high-side driver in PowerSSO-16 package, designed for 12 V grounded loads with CMOS-compatible 3 V/5 V control inputs. It delivers 25 mΩ typical on-state resistance per channel, 35 A current limitation, and 0.5 µA max standby current, enabling deep cold-cranking operation per LV124 Rev 2013 in ADAS sensor supplies and turn indicator circuits.

For engineers reviewing the VND9025AJTR datasheet, VND9025AJTR pinout, VND9025AJTR application, or VND9025AJTR equivalent, key selection criteria include multiplexed analog current sense accuracy (K = 5000 ±7% at 2.5 A), configurable latch-off vs auto-restart fault response, and reverse-battery protection via internal self-turn-on diode structure.

Technical Context

This device integrates ST's VIPower M0-9 technology to combine high-side switching, real-time load current sensing, and multi-level fault diagnostics in a single die. Its dual-channel architecture supports independent control of two 12 V automotive loads with shared CS multiplexer, SEL, SEn, and FaultRST pins.

The analog current sense path uses a high-precision proportional current mirror with five calibrated gain ranges (K₀ to K₃) spanning 10 mA to 7.5 A output current, while thermal shutdown (TTSD = 150–210 °C) and dynamic power limitation respond to fast transients without external components.

Key Specifications

Parameter	Value and Actual Design Meaning
Operating voltage range	4–28 V DC - supports full automotive battery range including cold-crank (4 V) and load-dump (28 V)
On-state resistance (per channel)	25 mΩ typ. at 2.5 A/25 °C - enables <1 W conduction loss at 5 A, reducing heatsink requirements
Current limitation (typ.)	35 A at 16 V/−40 °C - provides robust short-circuit protection for P27W lamps and LED rear combinations
Standby current	0.5 µA max. at 13 V/25 °C - meets ultra-low-power module sleep mode requirements for body control units
Current sense accuracy	±7% gain error at 2.5 A - allows direct interfacing with 12-bit ADCs without calibration for load monitoring
Fault reset time	3–20 µs - enables rapid recovery from transient overloads without MCU intervention
Thermal shutdown threshold	150–210 °C - configurable latch-off prevents repeated cycling during sustained overload conditions

Pinout & Package

Package: PowerSSO-16 (exposed thermal pad connected to VCC). Pin functions validated per DS12670 Rev 4 Figure 2 and Table 1.

Pin/Terminal	Circuit Role	Design Meaning
VCC	Battery supply input	Primary power rail; connects to exposed thermal pad; clamped to 36 V max during load dump
GND	Ground reference	Must be externally reverse-battery protected; serves as return for logic and power stages
INPUT0, INPUT1	CMOS-compatible enable inputs	Hysteresis (0.2 V) ensures noise immunity; compatible with 3 V/5 V microcontrollers
OUTPUT0, OUTPUT1	High-side switched outputs	Drive grounded loads; integrate reverse-battery diode (VF = 0.7 V at −2.5 A/150 °C)
CS	Multiplexed analog current sense output	Delivers ISENSE = IOUT/K; supports open-load, short-to-VCC, and overload detection
SEn	Sense enable control	Active-high; disables CS during low-power mode and enables sharing across multiple devices
SEL	Channel select for CS mux	Active-high; selects between Channel 0 and Channel 1 for analog current feedback
FaultRST	Fault reset/unlatch input	Active-low; sets auto-restart mode when held low; unlatches outputs after fault condition clears

Key Features

Feature	Design Value
Dual-channel high-side drive with independent control	Enables compact integration of two protected 12 V outputs (e.g., left/right turn signals) in one PowerSSO-16 footprint
Multiplexed analog current sense with 5-point calibration	Supports accurate load monitoring from 10 mA to 7.5 A using single CS pin and external 1 kΩ sense resistor
Configurable fault response (latch-off vs auto-restart)	FaultRST pin determines behavior: pulsed low enables unlatch; held low forces continuous auto-restart during overload
Deep cold-crank operation (down to 4 V)	Meets LV124 Rev 2013 requirements for engine start scenarios, maintaining functionality below 5 V battery
Reverse-battery protection via self-turn-on	No external diode required; internal structure conducts safely at −13 V with 25 mΩ R_DS(on) in reverse

Applications

ADAS Sensor Power Supply

Automotive Turn Indicators

Use Scenario: Providing protected 12 V supply to radar modules and camera ECUs in front-end ADAS domain controllers.

IC Role / Device Role / Timing Role: High-side switch with integrated diagnostics ensures uninterrupted power delivery while reporting load faults to safety MCU.

Use Value: Eliminates need for discrete current sense amplifiers and thermal foldback circuits, reducing BOM count by 4 components per channel.

Use Scenario: Driving P27W incandescent bulbs or parallel SAE1156 + R5W + LED rear lamp combinations.

IC Role / Device Role / Timing Role: Dual-channel driver manages left/right turn signal loads with independent short-circuit and open-load detection.

Use Value: Enables ECU-level bulb-out detection without external comparators, meeting UNECE R37 and FMVSS 108 compliance.

Body Control Module Outputs

Engine Bay Actuator Control

Use Scenario: Controlling door lock actuators, window lift motors, and HVAC blend door solenoids in centralized BCMs.

IC Role / Device Role / Timing Role: Smart high-side switch replaces mechanical relays with diagnostic feedback for predictive maintenance.

Use Value: Reduces PCB area by 65% vs relay + discrete driver solution; supports CAN-based fault logging via CS analog output.

Use Scenario: Managing fuel injector pre-charge, turbocharger wastegate solenoids, and EGR valve drivers in harsh under-hood environments.

IC Role / Device Role / Timing Role: Robust high-side driver withstands 150 °C junction temperature and 36 V transients per ISO 7637-2.

Use Value: Integrates undervoltage lockout, overtemperature shutdown, and reverse-battery protection-no external protection IC needed.

Equivalent & Alternatives

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

Alternative Part	Technical Difference	Application Difference	Selection Advice
INFINEON BTS7004-1EPP	Single-channel, 40 mΩ R_DS(on), no multiplexed analog CS output	Lacks integrated current sense and channel multiplexing; requires external ADC and mux for dual-load monitoring	Choose when only basic switching is needed and diagnostic depth is secondary to cost
NXP MC33883A	Triple-channel, 30 mΩ R_DS(on), SPI interface instead of analog CS, no FaultRST pin	Relies on digital communication for diagnostics; lacks hardware-configurable latch-off/auto-restart mode	Prefer when system uses SPI-based ECU architecture and software-controlled fault management is acceptable

Compared with BTS7004-1EPP and MC33883A, VND9025AJTR uniquely combines dual-channel analog current sensing, hardware-configurable fault recovery, and extreme low-voltage operation-making it optimal for space-constrained ADAS and lighting modules requiring minimal external components and deterministic fault handling.

Availability

VND9025AJTR is available at Aetrix Electronics and suitable for automotive lighting systems, ADAS sensor power supplies, and body control module outputs requiring stable component supply across extended temperature and voltage ranges.

Supply support for VND9025AJTR 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 specializing in automotive-grade power management, microcontrollers, and analog ICs, with ISO/TS 16949-certified manufacturing and AEC-Q100 qualified product lines.

VND9025AJTR belongs to ST's VIPower family of smart power ICs, engineered specifically for automotive high-side driving applications demanding integrated protection, diagnostics, and ultra-low quiescent current in harsh environments.

FAQ

What is the maximum allowable reverse battery voltage for VND9025AJTR?

The device supports reverse battery conditions up to −13 V with 25 mΩ RDSON in reverse conduction mode, verified per DS12670 Rev 4 Table 5. This eliminates need for external reverse-polarity protection diodes in most automotive designs, provided GND is externally protected against reverse current.

How does the multiplexed current sense (CS) pin distinguish between Channel 0 and Channel 1?

Channel selection is controlled by the SEL pin: logic low selects Channel 0, logic high selects Channel 1. When SEn is high, CS outputs ISENSE = IOUT/K with K calibrated per channel (e.g., K₂ = 5000 ±7% at 2.5 A), enabling precise per-channel load monitoring using one analog input on the host MCU.

Can VND9025AJTR operate reliably during engine cranking when battery voltage drops to 4.5 V?

Yes. The device guarantees operation down to 4 V per Table 5, with undervoltage shutdown (VUSD) set at 2.7 V and hysteresis of 0.15 V. At 4.5 V, all functions-including current sense, diagnostics, and 25 mΩ RON-remain fully operational, satisfying LV124 Rev 2013 deep cold-crank requirements.

What external components are required for basic operation of VND9025AJTR?

Only three passive components are mandatory: a 1 kΩ pull-up resistor on each INPUTx for default OFF state, a 1 kΩ sense resistor on CS for current feedback, and an external 15 kΩ resistor from FaultRST to VCC if auto-restart mode is desired. No external flyback diodes, current sense amplifiers, or thermal sensors are needed due to full on-die integration.

VND9025AJTR Specifications

Product attributes: Attribute value

Manufacturer:: STMicroelectronics

Package/Case:: 16-PowerLFSOP (0.154", 3.90mm Width)

Series:: -

Packaging:: Tape & Reel (TR)

Product Status:: Active

Switch Type:: General Purpose

Number of Outputs:: 2

Ratio - Input:Output:: 1:1

Output Configuration:: High Side

Output Type:: N-Channel

Interface:: Logic

Voltage - Load:: -

Voltage - Supply (Vcc/Vdd):: 4V ~ 28V

Current - Output (Max):: 35A

Rds On (Typ):: 25mOhm

Input Type:: Non-Inverting

Features:: Latch Function, Status Flag

Fault Protection:: Current Limiting (Adjustable), Open Load Detect, Over Load, Over Temperature, Over Voltage, Reverse Battery, Short Circuit, UVLO

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

Grade:: Automotive

Qualification:: AEC-Q100

Mounting Type:: Surface Mount

Supplier Device Package:: PowerSSO-16

VND9025AJTR FAQ

1.How can I place an order for VND9025AJTR through Aetrix?

Please submit a Request for Quotation (RFQ) for VND9025AJTR 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 VND9025AJTR reliable?

The price and inventory of VND9025AJTR are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for VND9025AJTR is usually 5 days.

3.What payment methods are accepted for VND9025AJTR?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for VND9025AJTR transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for VND9025AJTR?

VND9025AJTR orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your VND9025AJTR 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 VND9025AJTR?

For technical support, including VND9025AJTR datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your VND9025AJTR requirements.

6.How does Aetrix verify that VND9025AJTR is sourced from the original manufacturer or authorized distributors?

All VND9025AJTR 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 VND9025AJTR meets industry standards.

7.What is the process for return or replacement of VND9025AJTR?

All VND9025AJTR units undergo pre-shipment inspection (PSI). If there is an issue with VND9025AJTR, 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 VND9025AJTR part is unused and in its original packaging.

Return procedure for VND9025AJTR:

1.Submit a request within 90 days.

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

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