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STMicroelectronics VN5050AJTR-E
- Part No.:
- VN5050AJTR-E
- Manufacturer:
- STMicroelectronics
- Package:
- PowerSSO-12
- Datasheet:
-
VN5050AJTR-E.pdf
- Description:
- IC PWR DRVR N-CHAN 1:1 PWRSSO12
- Quantity:
- Payment:
- Shipping:
Inventory:6,656
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Product details
Overview
VN5050AJTR-E from STMicroelectronics is a single-channel automotive high-side driver IC with integrated analog current sense, designed for driving resistive, inductive, or capacitive loads connected to ground. It features 50 mΩ typical on-state resistance, 16.5 A current limitation (typ), 4.5–36 V operating supply range, and reverse battery protection-used in body control modules for LED headlight switching.
For engineers reviewing the VN5050AJTR-E datasheet, VN5050AJTR-E pinout, VN5050AJTR-E application, or VN5050AJTR-E equivalent, key selection criteria include load current sensing accuracy, thermal shutdown behavior, ISO 7637-2 transient immunity, and PowerSSO-12 package thermal performance in under-hood environments.
Technical Context
This device implements VIPower M0-3 technology with active power limitation during inrush, enabling robust management of inductive load turn-on transients. Its proportional current sense output (K = 1600–2440 A/A typ) operates across –40°C to +150°C junction temperature with <±10% ratio drift over full load and temperature range.
The integrated protection suite includes undervoltage shutdown (4.5 V threshold), overvoltage clamp (41 V), self-limiting thermal response, and loss-of-ground/loss-of-VCC detection. Diagnostic signals-thermal shutdown indication and current sense disable-are CMOS-compatible and support real-time MCU monitoring without external signal conditioning.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Max supply voltage | 41 V - withstands load dump transients per ISO 7637-2 Pulse 5b (+87 V peak) |
| Operating voltage range | 4.5 V to 36 V - supports 12 V and 24 V automotive battery systems including cold-crank |
| On-state resistance | 50 mΩ (typ @ 2 A, 25°C) - limits conduction loss to ≤200 mW at 2 A, enabling compact thermal design |
| Current limitation | 16.5 A (typ @ VCC = 13 V) - protects against short-circuit faults while sustaining >10 s overload before thermal shutdown |
| Standby supply current | 2 µA (off state) - meets automotive low-power requirements for always-on domains |
| Current sense ratio | K = 1600–2440 A/A (typ, IOUT = 1–4 A) - delivers 0.4–2.5 mA sense current for precise MCU ADC interfacing |
| Thermal shutdown | 150°C (trip), 135°C (reset) - provides hysteresis to prevent oscillation during sustained overload |
Pinout & Package
Delivered in PowerSSO-12™ package: exposed die pad for thermal dissipation, surface-mount, RoHS-compliant, ECOPACK® certified. Thermal resistance junction-to-case is 2.7 °C/W max.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VCC | Battery supply input | Primary power rail; clamped to 41 V internally; connects to exposed tab for thermal path |
| OUTPUT | High-side switched output | Drives load between this pin and GND; rated for 30 A reverse current and 16.5 A continuous forward |
| GND | Ground reference | Must be protected externally against reverse battery via diode/resistor network per Figure 26 |
| INPUT | CMOS-compatible control input | Hysteresis-enabled (0.25 V), 3.0 V logic compatible; drives internal power MOSFET gate |
| CURRENT SENSE | Analog current monitor output | Delivers proportional current (ISENSE = IOUT/K); max 5 V output; disabled when CS_DIS = high |
| CS_DIS | Current sense enable/disable | Active-high CMOS input; places CURRENT SENSE pin in high-impedance state when driven high |
Key Features
| Feature | Design Value |
|---|---|
| Inrush current management | Active power limitation prevents voltage droop and EMI spikes during lamp/relay turn-on |
| Analog current sense precision | ±10% full-scale error over –40°C to +150°C enables closed-loop load diagnostics without calibration |
| ISO 7637-2 compliance | Withstands Pulse 5b (+87 V), Pulse 3b (+100 V), and Pulse 4 (–7 V) without external TVS |
| Reverse battery protection | Integrated circuit-level tolerance up to –0.3 V on VCC; requires external GND network per application schematic |
| Thermal shutdown with auto-restart | Re-enables output after junction cools 15°C below trip point, supporting fault recovery in intermittent conditions |
Applications
| LED Headlight Control | Engine Cooling Fan Drive |
|---|---|
Use Scenario: PWM-controlled high-intensity LED array in front lighting module requiring dimming and open-load detection. IC Role / Device Role / Timing Role: High-side switch with real-time current feedback for brightness regulation and LED string integrity monitoring. Use Value: Enables 0–100% linear dimming using analog sense output and eliminates need for shunt resistor or external op-amp. | Use Scenario: 12 V DC brushless fan motor controlled by ECU for engine thermal management. IC Role / Device Role / Timing Role: Robust high-side driver handling inductive kickback and stall currents up to 16.5 A. Use Value: Integrated overvoltage clamp and fast thermal limiting prevent latch-up during fan lock-up events. |
| Body Control Module Outputs | Automotive HVAC Blower |
Use Scenario: Centralized power distribution for door locks, window lifts, and mirror heaters in BCM architecture. IC Role / Device Role / Timing Role: Protected high-side channel providing load-independent switching and diagnostic reporting. Use Value: Reduces BOM count by integrating current sense, UVLO, and thermal shutdown into single PowerSSO-12 footprint. | Use Scenario: Variable-speed blower motor in climate control system with soft-start and stall protection. IC Role / Device Role / Timing Role: Current-limited high-side driver with analog feedback for closed-loop speed control. Use Value: Proportional sense output allows microcontroller to detect airflow obstruction or motor failure without additional sensors. |
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 | Higher RON (160 mΩ), no integrated current sense, SPI-configurable diagnostics | Requires external sense resistor and MCU firmware for current monitoring | Select when programmable fault response and multi-channel synchronization are required |
| VN7050ASTR-E | Lower current limit (5 A), same PowerSSO-12 package, identical pinout and sense architecture | Suitable only for low-power loads like interior lighting or small solenoids | Select for cost-sensitive designs where 16.5 A capability is unnecessary |
Compared with TPS4H160-Q1, VN5050AJTR-E offers direct analog current sensing without signal conditioning; compared with VN7050ASTR-E, it delivers >3× higher current capability while maintaining identical footprint and diagnostic interface-making it optimal for mid-power automotive actuators.
Availability
VN5050AJTR-E is available at Aetrix Electronics and suitable for automotive body electronics, engine management subsystems, and ADAS power distribution requiring stable component supply across extended temperature and lifetime requirements.
Supply support for VN5050AJTR-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, specializing in automotive-grade power ICs, microcontrollers, and sensors with AEC-Q100 qualification across product lines.
VN5050AJTR-E belongs to the VIPower® high-side driver family, engineered specifically for automotive power distribution with integrated protection, diagnostics, and thermal resilience in harsh under-hood environments.
FAQ
What is the maximum continuous output current rating for VN5050AJTR-E?
The device provides 16.5 A typical current limitation at VCC = 13 V, with thermal shutdown activating at 150°C junction temperature. Continuous DC current depends on PCB copper area and ambient temperature; with 200 cm² of 2 oz copper, it sustains 8 A continuously at 85°C ambient per Figure 29.
How does the current sense function behave when CS_DIS is high?
When CS_DIS is driven high (≥2.1 V), the CURRENT SENSE pin enters high-impedance state with leakage ≤1 µA over temperature. No analog output is delivered, and the pin must be externally pulled or left floating per Table 3 recommendations-no internal pull-up/down is present.
Is external reverse battery protection required on the GND pin?
Yes. The GND pin lacks internal reverse polarity protection. STMicroelectronics mandates an external network-either a series resistor (RGND) or Schottky diode (DGND)-as shown in Figure 26 to prevent damage during reverse battery connection. Failure to implement this voids functional safety compliance.
Can VN5050AJTR-E drive inductive loads without external flyback components?
It integrates active voltage clamping (Vclamp = 41 V) and demagnetization energy handling (EMAX = 104 mJ at 13.5 V), allowing direct drive of moderate inductance loads (e.g., <6 mH at 2 A). For higher-energy inductors, external snubbers remain recommended to extend lifetime per Figure 27.
VN5050AJTR-E Specifications
- Product attributes
- Attribute value
- Manufacturer:
- STMicroelectronics
- Package/Case:
- PowerSSO-12
- Series:
- VIPower™
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Switch Type:
- General Purpose
- Number of Outputs:
- 1
- 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):
- 12A
- Rds On (Typ):
- 50mOhm (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-12™
VN5050AJTR-E FAQ
1.How can I place an order for VN5050AJTR-E through Aetrix?
Please submit a Request for Quotation (RFQ) for VN5050AJTR-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 VN5050AJTR-E reliable?
The price and inventory of VN5050AJTR-E are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for VN5050AJTR-E is usually 5 days.
3.What payment methods are accepted for VN5050AJTR-E?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for VN5050AJTR-E transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for VN5050AJTR-E?
VN5050AJTR-E orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your VN5050AJTR-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 VN5050AJTR-E?
For technical support, including VN5050AJTR-E datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your VN5050AJTR-E requirements.
6.How does Aetrix verify that VN5050AJTR-E is sourced from the original manufacturer or authorized distributors?
All VN5050AJTR-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 VN5050AJTR-E meets industry standards.
7.What is the process for return or replacement of VN5050AJTR-E?
All VN5050AJTR-E units undergo pre-shipment inspection (PSI). If there is an issue with VN5050AJTR-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 VN5050AJTR-E part is unused and in its original packaging.
Return procedure for VN5050AJTR-E:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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