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STMicroelectronics VND7140AJ12TR
- Part No.:
- VND7140AJ12TR
- Manufacturer:
- STMicroelectronics
- Package:
- 12-PowerLSOP (0.154", 3.90mm Width)
- Datasheet:
-
VND7140AJ12TR.pdf
- Description:
- IC PWR DRVR N-CHAN 1:1 PWRSSO12
- Quantity:
- Payment:
- Shipping:
Inventory:4,794
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Product details
Overview
VND7140AJ12 from STMicroelectronics is a double-channel automotive high-side driver in PowerSSO-12 package, delivering 140 mΩ on-state resistance per channel, 12 A current limitation, and analog CurrentSense feedback with multiplexed diagnostics. It operates from 4 V to 28 V supply, supports deep cold cranking down to 2.85 V, and interfaces directly with 3 V/5 V CMOS logic for driving resistive, inductive, or capacitive loads such as automotive rear lamp modules (R10W/LED combinations).
For engineers reviewing the VND7140AJ12 datasheet, VND7140AJ12 pinout, VND7140AJ12 application, or VND7140AJ12 equivalent, this page provides verified electrical parameters, validated diagnostic functions (open-load, short-to-VCC, thermal shutdown), real-world cranking behavior, and precise CurrentSense accuracy data - all critical for automotive body control module (BCM) and lighting ECU design.
Technical Context
The device integrates two independent VIPower® high-side switches with embedded protection logic, including active power limitation during overload and self-limiting thermal transients. Its CurrentSense architecture uses a high-precision proportional current mirror with multiplexed output controlled by SEL and SEn pins, enabling shared external sensing across multiple channels.
It implements undervoltage shutdown at 2.85 V (with 0.3 V hysteresis), overvoltage clamp up to 41 V, and reverse battery tolerance via external GND network. The logic inputs feature hysteresis and are compatible with both 3 V and 5 V CMOS outputs, supporting direct MCU interface without level-shifting.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Supply voltage range | 4 V to 28 V - supports full automotive battery range including engine start transients and post-cranking recovery |
| Min. cranking voltage | 2.85 V - enables operation during extreme cold cranking compliant with LV124 Rev 2013 |
| RON (per channel) | 140 mΩ @ 1 A, 25°C - ensures low conduction loss and minimal self-heating under nominal load |
| Current limit (ILIMH) | 12 A typ. - limits fault energy during short-circuit while maintaining safe junction temperature |
| Standby current | 0.5 µA @ 13 V, 25°C - minimizes battery drain in vehicle sleep mode |
| CurrentSense accuracy | ±5% @ IOUT = 0.5–10 A - enables reliable closed-loop load monitoring and diagnostics |
| Thermal shutdown | 140 °C - protects against sustained overload or poor PCB heatsinking |
Pinout & Package
Package: PowerSSO-12 - thermally enhanced exposed-pad SO package optimized for automotive PCBs with 2-layer or 4-layer thermal management per JEDEC JESD51-5/7.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VCC | Battery supply input | Primary 12 V rail connection; clamped to 41 V max; supports transient pulses per ISO 16750-2 |
| OUTPUT0, OUTPUT1 | High-side power outputs | Drive grounded loads; each rated for 12 A peak with integrated current limiting and thermal foldback |
| GND | Power ground reference | Must be externally protected against reverse battery using diode or MOSFET network per datasheet Fig 31–32 |
| INPUT0, INPUT1 | CMOS-compatible control inputs | Hysteresis-enabled; accept 3 V/5 V logic; drive internal gate drivers with <10 mA input current |
| CurrentSense | Multiplexed analog diagnostic output | Delivers 1 mA/A proportional current; supports off-state open-load, short-to-VCC, and thermal fault reporting |
| SEn | Sense enable control | Active-high; disables CurrentSense output during standby to reduce system leakage |
| SEL | Multiplexer address select | Controls which channel's sense signal appears on CurrentSense pin (0 = CH0, 1 = CH1) |
Key Features
| Feature | Design Value |
|---|---|
| Double-channel VIPower® HSD | Two fully independent high-side switches in single PowerSSO-12 package, reducing board space vs discrete solutions |
| CurrentSense multiplexing | Single analog pin reports load current, open-load, short-to-VCC, and thermal faults for both channels via SEL/SEn control |
| Deep cold cranking support | Guaranteed operation down to 2.85 V supply during engine start - meets LV124 Rev 2013 requirements |
| Ultra-low standby current | 0.5 µA max at 13 V/25°C - extends vehicle battery life during extended parking |
| Integrated protection suite | Includes undervoltage lockout, overvoltage clamp, current limitation, thermal shutdown, and reverse battery readiness (with external components) |
Applications
| Rear Lamp Control Module | Body Control Module (BCM) |
|---|---|
Use Scenario: Driving R10W filament bulbs and LED arrays in automotive rear combination lamps with PWM dimming and diagnostics. IC Role / Device Role / Timing Role: Dual high-side switch providing load isolation, current-controlled turn-on/off, and real-time CurrentSense feedback for open-circuit and short-circuit detection. Use Value: Enables compliance with UNECE R128 and ISO 15008 through precise load monitoring and fail-safe shutdown within 100 µs of fault detection. | Use Scenario: Controlling solenoids, relays, and small motors in door locks, seat adjusters, and HVAC actuators. IC Role / Device Role / Timing Role: High-side power distribution node with diagnostic visibility into each load path, supporting ASAM MCD-2 MC-compliant ECU calibration. Use Value: Reduces need for discrete current-sense shunts and external protection ICs, lowering BOM count and improving functional safety traceability. |
| Engine Start/Stop System | Commercial Vehicle Lighting Hub |
Use Scenario: Managing auxiliary lighting and cabin electronics during stop-start cycles where supply dips below 3 V. IC Role / Device Role / Timing Role: Robust high-side driver maintaining control integrity during cranking transients, with automatic re-enable after VCC recovery. Use Value: Eliminates need for external brown-out reset circuitry and supports seamless restart without MCU intervention. | Use Scenario: Centralized lighting control in trucks and buses requiring simultaneous drive of multiple 24 V incandescent and LED loads. IC Role / Device Role / Timing Role: Dual-channel 24 V tolerant high-side driver (via external Zener clamp) with shared CurrentSense diagnostics across lamp groups. Use Value: Enables scalable architecture with one VND7140AJ12 per lamp pair, reducing wiring harness complexity and diagnostic latency. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar high-side driver applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| VND7050AJ12TR | Single-channel, 10 A current limit, identical PowerSSO-12 package and CurrentSense architecture | Lacks dual-channel integration; requires two devices for same functionality | Select when board layout constraints favor modular channel expansion or lower per-channel cost is prioritized |
| TPS4H160-Q1 | Single-channel, 160 mΩ RON, 10 A current limit, SPI interface instead of analog CurrentSense | Digital diagnostics only; no analog current mirroring; requires MCU firmware support for register reads | Select when system already uses SPI-based diagnostics infrastructure and analog multiplexing adds complexity |
Compared with VND7140AJ12, the VND7050AJ12TR offers identical performance per channel but doubles footprint and BOM count for dual-load applications, while the TPS4H160-Q1 trades analog diagnostic simplicity for digital configurability - making VND7140AJ12 optimal for cost-sensitive, analog-diagnostic-focused automotive lighting designs.
Availability
VND7140AJ12 is available at Aetrix Electronics and suitable for automotive body control modules, rear lamp assemblies, and engine start/stop systems requiring stable component supply, AEC-Q100 Grade 0 qualification, and long-term production continuity.
Supply support for VND7140AJ12 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 scale and AEC-Q100 validation capability.
The VND7140AJ12 belongs to ST's VIPower® family of intelligent power switches, designed specifically for automotive high-side load driving with integrated diagnostics, protection, and ultra-low quiescent current - targeting next-generation BCMs and lighting ECUs.
FAQ
What is the maximum continuous output current per channel?
The VND7140AJ12 supports continuous output current up to 12 A per channel under specified thermal conditions (Tj ≤ 150°C, adequate PCB copper area). This rating assumes proper heatsinking per JEDEC JESD51-7 (Rthj-amb = 26.5°C/W on 4-layer PCB). Derating applies above 85°C ambient or with reduced copper area.
How does the CurrentSense pin distinguish between open-load and short-to-VCC faults?
In off-state, the CurrentSense pin reports distinct voltage levels: ~0.1 V indicates open-load (no current path), while ~1.2 V signals short-to-VCC (output pulled high through internal clamp). These thresholds are defined in Table 16 and Figure 37 of the datasheet and remain stable across -40°C to 125°C.
Can the VND7140AJ12 operate with a 24 V truck battery system?
Yes - although rated for 12 V automotive systems, the VND7140AJ12 supports VCC up to 28 V continuously and withstands 40 V transients. For 24 V nominal systems, external overvoltage clamping (e.g., 33 V Zener at VCC) is recommended to maintain long-term reliability under load dump conditions.
Is the PowerSSO-12 package RoHS and REACH compliant?
Yes - the VND7140AJ12 in PowerSSO-12 package complies with RoHS Directive 2011/65/EU and REACH Regulation (EC) No. 1907/2006. Full material declarations and substance compliance reports are available from STMicroelectronics' official product page under "Product Compliance" section (DocID027923 Rev 3, Section 9).
VND7140AJ12TR Specifications
- Product attributes
- Attribute value
- Manufacturer:
- STMicroelectronics
- Package/Case:
- 12-PowerLSOP (0.154", 3.90mm Width)
- Series:
- VIPower™
- 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:
- On/Off
- Voltage - Load:
- 4V ~ 28V
- Voltage - Supply (Vcc/Vdd):
- Not Required
- Current - Output (Max):
- 8A
- Rds On (Typ):
- 140mOhm
- Input Type:
- Non-Inverting
- Features:
- Auto Restart
- Fault Protection:
- Current Limiting (Fixed), Open Load Detect, Over Temperature, Over Voltage, UVLO
- Operating Temperature:
- -40°C ~ 150°C (TJ)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- PowerSSO-12
VND7140AJ12TR FAQ
1.How can I place an order for VND7140AJ12TR through Aetrix?
Please submit a Request for Quotation (RFQ) for VND7140AJ12TR 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 VND7140AJ12TR reliable?
The price and inventory of VND7140AJ12TR are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for VND7140AJ12TR is usually 5 days.
3.What payment methods are accepted for VND7140AJ12TR?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for VND7140AJ12TR transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for VND7140AJ12TR?
VND7140AJ12TR orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your VND7140AJ12TR 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 VND7140AJ12TR?
For technical support, including VND7140AJ12TR datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your VND7140AJ12TR requirements.
6.How does Aetrix verify that VND7140AJ12TR is sourced from the original manufacturer or authorized distributors?
All VND7140AJ12TR 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 VND7140AJ12TR meets industry standards.
7.What is the process for return or replacement of VND7140AJ12TR?
All VND7140AJ12TR units undergo pre-shipment inspection (PSI). If there is an issue with VND7140AJ12TR, 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 VND7140AJ12TR part is unused and in its original packaging.
Return procedure for VND7140AJ12TR:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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