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STMicroelectronics EV-VND7040AJ
- Part No.:
- EV-VND7040AJ
- Manufacturer:
- STMicroelectronics
- Package:
- Datasheet:
-
EV-VND7040AJ.pdf
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- EVAL BOARD FOR VND7040AJ
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Product details
Overview
VND7040AJ-E from STMicroelectronics is a double-channel automotive high-side driver in PowerSSO-16 package, integrating VIPower® technology for 12 V grounded loads. It delivers 40 mΩ typical on-state resistance per channel, 34 A current limitation, and multiplexed MultiSense analog feedback (load current, VCC, chip temperature) with <0.5 µA standby current. Designed for signal lamp control up to SAE1156/LED rear combinations.
For engineers reviewing the VND7040AJ-E datasheet, VND7040AJ-E pinout, VND7040AJ-E application, or VND7040AJ-E equivalent, key selection criteria include configurable latch-off fault recovery, reverse-battery protection support via external network, ISO 7637-2 transient immunity, and CMOS-compatible 3 V/5 V input interface compatibility.
Technical Context
The device implements dual independent high-side power switches with integrated current-limiting, thermal shutdown, and undervoltage lockout. Each channel features active power limitation during overload and short-to-ground events, with dedicated FaultRST pin enabling either latched fault mode or auto-restart behavior.
MultiSense functionality uses a single analog output pin multiplexed across three diagnostic signals-proportional load current (±5% accuracy), supply voltage (VCC), and junction temperature-with SEL0/SEL1 addressing and SEn enable control. Off-state open-load and short-to-VCC detection are implemented via internal voltage thresholds referenced to GND.
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) conditions. |
| On-State Resistance (per channel) | 40 mΩ typ. at 25°C - enables low conduction loss and minimal self-heating under 2.5 A continuous load. |
| Current Limitation | 34 A typ. - provides robust short-circuit protection while allowing high peak inrush for incandescent lamps. |
| Standby Current | 0.5 µA max. - ensures negligible battery drain during vehicle sleep mode. |
| MultiSense Accuracy | ±5% load current sensing - enables precise closed-loop diagnostics without external shunt resistors. |
| Transient Supply Tolerance | 40 V peak (ISO 16750-2 Test B clamped) - withstands automotive load-dump transients without damage or false triggering. |
| Fault Recovery Mode | Configurable latch-off with active-low FaultRST - allows system-level fault management via MCU-controlled reset or persistent latch until service intervention. |
Pinout & Package
Package: PowerSSO-16, surface-mount, thermally enhanced exposed pad, RoHS-compliant ECOPACK®.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VCC | Battery supply input | Primary 12 V rail connection; supports 4–28 V operation and clamps transients up to 40 V. |
| GND | Power ground reference | Must be protected against reverse battery with external diode/resistor network per datasheet Figure 30. |
| OUTPUT0, OUTPUT1 | High-side power outputs | Drive grounded automotive loads; each channel independently controlled and protected. |
| INPUT0, INPUT1 | CMOS-compatible control inputs | Accept 3 V/5 V logic; include hysteresis (0.2 V) for noise immunity in harsh automotive environments. |
| MultiSense | Multiplexed analog diagnostic output | Delivers proportional current representing load current, VCC, or chip temperature based on SEL0/SEL1 state. |
| SEn | Sense enable input | Active-high signal enabling MultiSense output; allows disabling diagnostics during low-power module sleep. |
| SEL0, SEL1 | Multiplexer address inputs | Select diagnostic source: 00 = load current, 01 = VCC, 10 = chip temperature, 11 = reserved. |
| FaultRST | Fault reset / auto-restart control | Active-low pin; unlatches outputs after fault or forces auto-restart mode when held low. |
Key Features
| Feature | Design Value |
|---|---|
| Dual-channel high-side switching | Independent control and protection per channel enables compact dual-lamp or split-load architectures without external isolation. |
| MultiSense analog diagnostics | Single-pin multiplexed sensing eliminates need for separate ADC channels or external sense resistors, reducing BOM and PCB area. |
| Configurable fault latch-off | FaultRST pin allows OEMs to choose between fail-safe latched shutdown or automatic recovery-critical for adaptive lighting safety compliance. |
| Reverse battery protection support | Integrated clamp and external GND-network guidance (diode + resistor) ensure survivability in reverse-polarity jump-start scenarios. |
| Automotive-grade transient immunity | Validated to ISO 7637-2 (Test B) and ISO 16750-2, enabling direct integration into body control modules without additional TVS staging. |
Applications
| Automotive Signal Lamps | LED Rear Combination Modules |
|---|---|
|
Use Scenario: Driving P27W filament bulbs and SAE1156 stop/tail lamps in modern body control units. IC Role / Device Role / Timing Role: High-side switch providing PWM-compatible on/off control with real-time current monitoring for bulb-out detection. Use Value: Enables compliance with UNECE R37 filament lamp failure detection requirements using integrated analog current sense instead of discrete shunts. |
Use Scenario: Controlling multi-color LED arrays (brake, tail, turn) in compact rear lighting assemblies. IC Role / Device Role / Timing Role: Dual-channel driver delivering precise current regulation and thermal derating feedback during high-duty-cycle flashing. Use Value: Eliminates need for external current-sense amplifiers and thermal sensors, reducing component count by ≥4 parts per channel. |
| Body Control Module (BCM) Load Management | Automotive HVAC Blower Control |
|
Use Scenario: Managing auxiliary resistive and inductive loads (e.g., interior lighting, door locks, seat heaters) in centralized BCMs. IC Role / Device Role / Timing Role: Protected high-side switch with off-state open-load detection and short-to-VCC fault reporting. Use Value: Reduces diagnostic wiring complexity by consolidating load status reporting onto one analog pin, simplifying ECU firmware logic. |
Use Scenario: Driving brushed DC blowers in climate control systems requiring soft-start and stall protection. IC Role / Device Role / Timing Role: High-current capable HSD with fast thermal transient limiting and configurable latch-off for overtemperature events. Use Value: Prevents blower motor thermal runaway during filter clogging or bearing seizure without requiring external thermal cutoffs. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar high-side driver applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| VND7050AJ-E | Higher RON (60 mΩ typ.), lower ILIMH (25 A), identical MultiSense architecture and pinout. | Better suited for lower-power loads where thermal margin exceeds requirement; not recommended for P27W lamps. | Select when load current ≤15 A and board space constraints favor footprint reuse. |
| TPS4H160-Q1 | Single-channel, higher voltage rating (60 V), no analog MultiSense-digital SPI diagnostics only. | Lacks multiplexed analog feedback; requires external ADC and firmware parsing for current/voltage/temperature data. | Prefer for new designs needing >28 V operation or functional safety ASIL-B decomposition via digital interface separation. |
Compared with VND7040AJ-E, VND7050AJ-E trades current capability for slightly lower conduction loss at light loads, while TPS4H160-Q1 abandons analog diagnostics for scalable digital communication-making VND7040AJ-E optimal for cost-sensitive, analog-diagnostic–focused automotive lamp modules.
Availability
VND7040AJ-E is available at Aetrix Electronics and suitable for automotive signal lamps, body control modules, and HVAC blower systems requiring stable component supply across extended vehicle lifecycles.
Supply support for VND7040AJ-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 VND7040AJ-E belongs to ST's VIPower® high-side driver product line, engineered specifically for intelligent load control in 12 V automotive electrical architectures with emphasis on diagnostic richness and ASIL-ready fault handling.
FAQ
What is the maximum safe operating temperature for VND7040AJ-E?
The device supports junction temperatures from –40°C to +150°C continuously. Thermal shutdown activates at Tj ≈ 170°C (typ.), with self-limiting during fast transients. For sustained 150°C operation, PCB copper area must meet JEDEC JESD 51-7 requirements (≥23.5°C/W Rthj-amb on 4-layer board).
How does the MultiSense pin distinguish between load current, VCC, and chip temperature?
MultiSense output is multiplexed using SEL0/SEL1 address bits: 00 selects proportional load current (1 mA/A), 01 selects VCC monitor (0.1 mA/V), and 10 selects chip temperature (0.5 mA/°C). The SEn pin must be high to enable any mode, and timing diagrams in Figures 7–8 define settling windows.
Can VND7040AJ-E drive inductive loads like fuel pumps or solenoids?
Yes-it supports inductive demagnetization energy up to 36 mJ (VCC = 16 V, TDEMAG = 0.4 ms) and includes active power limitation during inductive flyback. External freewheeling diodes are not required, but reverse-battery protection network on GND remains mandatory per datasheet Section 4.1.
Is the PowerSSO-16 package lead-free and RoHS-compliant?
Yes-VND7040AJ-E uses ST's ECOPACK®-qualified PowerSSO-16 package, certified to RoHS Directive 2011/65/EU and compliant with JEDEC J-STD-020 moisture sensitivity level MSL3 (260°C reflow peak). Full material declarations are available in ST document AN4467.
EV-VND7040AJ Specifications
- Product attributes
- Attribute value
- Manufacturer:
- STMicroelectronics
- Series:
- VIPower™
- Packaging:
- Box
- Product Status:
- Active
- Type:
- Power Management
- Function:
- High Side Driver (Internal FET)
- Embedded:
- -
- Utilized IC / Part:
- VND7040AJ
- Primary Attributes:
- 2-Channel (Dual)
- Secondary Attributes:
- -
- Contents:
- Board(s)
EV-VND7040AJ FAQ
1.How can I place an order for EV-VND7040AJ through Aetrix?
Please submit a Request for Quotation (RFQ) for EV-VND7040AJ 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 EV-VND7040AJ reliable?
The price and inventory of EV-VND7040AJ are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for EV-VND7040AJ is usually 5 days.
3.What payment methods are accepted for EV-VND7040AJ?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for EV-VND7040AJ transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for EV-VND7040AJ?
EV-VND7040AJ orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your EV-VND7040AJ 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 EV-VND7040AJ?
For technical support, including EV-VND7040AJ datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your EV-VND7040AJ requirements.
6.How does Aetrix verify that EV-VND7040AJ is sourced from the original manufacturer or authorized distributors?
All EV-VND7040AJ 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 EV-VND7040AJ meets industry standards.
7.What is the process for return or replacement of EV-VND7040AJ?
All EV-VND7040AJ units undergo pre-shipment inspection (PSI). If there is an issue with EV-VND7040AJ, 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 EV-VND7040AJ part is unused and in its original packaging.
Return procedure for EV-VND7040AJ:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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