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STMicroelectronics VBG15NB22T5SP-E
- Part No.:
- VBG15NB22T5SP-E
- Manufacturer:
- STMicroelectronics
- Package:
- PowerSO-10 Exposed Bottom Pad
- Datasheet:
-
VBG15NB22T5SP-E.pdf
- Description:
- IC PWR DRVR BIPOLAR 1:1 PWRSO10
- Quantity:
- Payment:
- Shipping:
Inventory:1,933
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Product details
Overview
VBG15NB22T5SP-E from STMicroelectronics is an automotive-grade high-voltage ignition coil driver IC using Powermesh™ technology, designed for precise coil current limiting (17–25 A typ.) and clamped voltage protection (225–275 V) in gasoline engine ignition systems. It integrates soft switch-off timing via external capacitor, internal overvoltage/overtemperature protection, and ESD tolerance (2000 V HBM), eliminating need for external current-sense or clamp components.
For engineers reviewing the VBG15NB22T5SP-E datasheet, VBG15NB22T5SP-E pinout, VBG15NB22T5SP-E application, or VBG15NB22T5SP-E equivalent, key selection criteria include clamped VCE rating, internally set coil current limit, soft turn-off timing control, ISO 7637-2 transient immunity, and PowerSO-10 thermal performance (Rthj-case = 1 °C/W).
Technical Context
The device implements a monolithic N-channel vertical power MOSFET with integrated gate driver, current-limiting sense circuitry, and a dedicated timer block that controls soft turn-off by linearly ramping down coil current via transconductance amplifier feedback. The clamp function activates at ~250 V to protect against inductive kickback during spark generation.
Its functional architecture includes input-controlled switching (VIN threshold: 3 V on / 1.5 V off), built-in ISO 7637-2 pulse immunity (Class C/E per test level), and junction temperature monitoring up to 175 °C. The external CSTILL capacitor sets tSTILL (capacitor charging time), directly determining turn-off slope (0.1–2 A/ms).
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VCL Clamp Voltage | 225–275 V at IC = 15 A; ensures safe suppression of inductive flyback without external TVS. |
| ICL Coil Current Limit | 17–25 A (typ. 21 A); internally set, eliminates external shunt resistor and amplifier. |
| VCE(sat) | 2.2 V at IC = 10 A, VBAT = 6 V; low conduction loss enables high-efficiency spark energy delivery. |
| tSTILL Timing Control | Capacitor-based (CSTILL = 100 nF); sets soft turn-off duration across full temp range (-40 to 175 °C). |
| Rthj-case | 1 °C/W max; enables 125 W continuous dissipation at Tcase = 25 °C for sustained spark duty cycles. |
| ESD Rating | 2000 V HBM; inherent protection reduces need for external ESD suppression on control lines. |
| ISO 7637-2 Immunity | Class C verified for pulses 1–3b and 4; supports robust operation in harsh automotive electrical environments. |
Pinout & Package
VBG15NB22T5SP-E is housed in a PowerSO-10 package - a thermally enhanced surface-mount package with exposed drain pad for direct PCB heat sinking and 10 leads arranged in dual-row configuration. Its Rthj-case = 1 °C/W enables high-power ignition switching without heatsink in many applications.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| GND | Ground reference | Common return path for driver, sense, and timer circuits; tied to exposed drain pad for thermal and electrical integrity. |
| VIN | Input control signal | CMOS-compatible logic input (VIN(on) = 3 V min); triggers switching with fast turn-on delay (2.7 µs). |
| VCC | Supply voltage input | 5.2–24 V DC supply; includes integrated transient protection per ISO 7637-2 pulses 1–5. |
| HVC | High-voltage collector | Drain terminal rated for 250 V clamped operation; connects directly to ignition coil primary winding. |
| CS | Current sense output | Analog voltage proportional to coil current; used for diagnostics or closed-loop monitoring (not required for basic operation). |
| CSTILL | Timer capacitor connection | Connects external 100 nF capacitor to set soft turn-off timing; defines dIC/dt slope during de-energization. |
Key Features
| Feature | Design Value |
|---|---|
| Integrated coil current limit | Eliminates external current-sense resistor and op-amp, reducing BOM count and layout area. |
| Programmable soft switch-off | External CSTILL sets linear current decay rate (0.1–2 A/ms), minimizing EMI and mechanical stress on ignition components. |
| 250 V clamped collector voltage | Prevents destructive voltage spikes during coil de-energization without external clamp diode or TVS. |
| AEC-Q100 qualified | Validated for automotive use (-40 to 175 °C junction), including HTOL, temperature cycling, and ESD testing. |
| PowerSO-10 thermal performance | 1 °C/W junction-to-case resistance enables high-current operation with minimal PCB copper area. |
Applications
| Gasoline Engine Ignition Systems | Direct-Drive Coil-On-Plug (COP) |
|---|---|
|
Use Scenario: High-speed sequential spark timing in modern 4–8 cylinder port fuel injection engines. IC Role / Device Role / Timing Role: Primary-side switch controlling coil primary current; provides precise current ramp-up and programmable soft turn-off for optimal spark energy and EMI control. Use Value: Enables consistent spark energy across RPM range without external current regulation, supporting OBD-II compliance and misfire detection. |
Use Scenario: Compact, high-reliability ignition in space-constrained COP modules mounted directly on spark plugs. IC Role / Device Role / Timing Role: Integrated driver with clamped HV output and thermal shutdown; replaces discrete MOSFET + gate driver + protection IC stack. Use Value: Reduces module footprint by >30% and improves thermal coupling to heatsink via PowerSO-10 exposed drain pad. |
| Distributorless Ignition Systems (DIS) | Two-Stroke/Motorcycle Ignition Modules |
|
Use Scenario: Dual-coil DIS architectures firing paired cylinders (e.g., 1–4, 2–3) with shared crankshaft position sensing. IC Role / Device Role / Timing Role: Dual-channel capable (per device) high-side driver with independent VIN control and shared VCC/HVC domains. Use Value: Supports synchronized dual-spark events with matched current limiting and clamp behavior across channels. |
Use Scenario: Lightweight, high-RPM ignition in air-cooled motorcycle and small-engine applications with wide battery voltage variation (6–16 V). IC Role / Device Role / Timing Role: Robust coil driver tolerant of low-VBAT start-up (6 V) and high-temp ambient (125 °C case), with built-in overvoltage protection. Use Value: Eliminates need for external boost circuitry or voltage regulators while maintaining spark reliability at cranking and wide-open throttle. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar ignition coil driver applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| STGD10NB60KD | 600 V N-channel MOSFET (no integrated driver or protection); requires external gate driver, current sense, and clamp. | Used in custom-designed ignition modules where flexibility in timing and protection is prioritized over integration. | Select when full control over gate drive waveform, current sensing topology, and fault response is required. |
| INFINEON BTS50080-1TAD | Smart high-side switch with 40 V VDS, 80 A peak, integrated diagnostics; not rated for 250 V clamping or ignition coil flyback. | Suitable for low-voltage load driving (fuel pumps, fans), but lacks HV clamp and coil current limit for ignition use. | Not recommended for ignition coil driving; only applicable in 12 V resistive/inductive loads with no flyback energy. |
Compared with STGD10NB60KD and BTS50080-1TAD, the VBG15NB22T5SP-E uniquely combines 250 V clamping, 21 A internal current limit, and soft turn-off timing in one AEC-Q100-qualified package-reducing system-level design effort and component count specifically for gasoline engine ignition.
Availability
VBG15NB22T5SP-E is available at Aetrix Electronics and suitable for gasoline engine control units, coil-on-plug modules, and distributorless ignition systems requiring stable component supply, automotive qualification, and long-term lifecycle support.
Supply support for VBG15NB22T5SP-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 strong emphasis on AEC-Q100 qualification and functional safety.
This device belongs to ST's Automotive Power Switches product line, engineered specifically for high-reliability, high-voltage switching in engine management systems-prioritizing integrated protection, thermal robustness, and ISO 7637-2 compliance.
FAQ
What is the purpose of the CSTILL pin and how is it configured?
The CSTILL pin connects an external 100 nF capacitor to implement the soft switch-off function. During turn-off, this capacitor charges and discharges through internal switches to generate a controlled current decay slope (0.1–2 A/ms). Configuration requires a ceramic capacitor placed close to the pin with short traces; no resistor or additional components are needed.
Does VBG15NB22T5SP-E require an external freewheeling diode?
No. The device integrates a 250 V clamping function across the HVC–GND terminals, which safely dissipates inductive flyback energy from the ignition coil without requiring an external freewheeling or TVS diode. This clamp operates automatically during turn-off and is specified across -40 to 150 °C junction temperature.
How does the internal current limit work and is it adjustable?
The internal current limit is fixed at 17–25 A (typ. 21 A) and is implemented via on-die sense FET and comparator circuitry. It is not user-adjustable-no external resistor or voltage reference is required. The limit activates when sensed coil current exceeds threshold, forcing controlled turn-off to prevent thermal runaway or coil damage.
Is VBG15NB22T5SP-E still in active production or obsolete?
VBG15NB22T5SP-E is marked as "Obsolete Product(s)" in ST's official documentation (Doc ID 018832 Rev 1, May 2011). However, Aetrix Electronics maintains legacy inventory and offers lifecycle management support-including last-time-buy planning, cross-reference assistance, and technical documentation archiving-for ongoing production programs reliant on this part.
VBG15NB22T5SP-E Specifications
- Product attributes
- Attribute value
- Manufacturer:
- STMicroelectronics
- Package/Case:
- PowerSO-10 Exposed Bottom Pad
- Series:
- -
- Packaging:
- Tube
- Product Status:
- Obsolete
- Switch Type:
- General Purpose
- Number of Outputs:
- 1
- Ratio - Input:Output:
- 1:1
- Output Configuration:
- Low Side
- Output Type:
- Bipolar
- Interface:
- On/Off
- Voltage - Load:
- 250V (Max)
- Voltage - Supply (Vcc/Vdd):
- 14V
- Current - Output (Max):
- 17A
- Rds On (Typ):
- -
- Input Type:
- -
- Features:
- -
- Fault Protection:
- -
- Operating Temperature:
- -40°C ~ 175°C (TJ)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 10-PowerSO
VBG15NB22T5SP-E FAQ
1.How can I place an order for VBG15NB22T5SP-E through Aetrix?
Please submit a Request for Quotation (RFQ) for VBG15NB22T5SP-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 VBG15NB22T5SP-E reliable?
The price and inventory of VBG15NB22T5SP-E are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for VBG15NB22T5SP-E is usually 5 days.
3.What payment methods are accepted for VBG15NB22T5SP-E?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for VBG15NB22T5SP-E transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for VBG15NB22T5SP-E?
VBG15NB22T5SP-E orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your VBG15NB22T5SP-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 VBG15NB22T5SP-E?
For technical support, including VBG15NB22T5SP-E datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your VBG15NB22T5SP-E requirements.
6.How does Aetrix verify that VBG15NB22T5SP-E is sourced from the original manufacturer or authorized distributors?
All VBG15NB22T5SP-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 VBG15NB22T5SP-E meets industry standards.
7.What is the process for return or replacement of VBG15NB22T5SP-E?
All VBG15NB22T5SP-E units undergo pre-shipment inspection (PSI). If there is an issue with VBG15NB22T5SP-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 VBG15NB22T5SP-E part is unused and in its original packaging.
Return procedure for VBG15NB22T5SP-E:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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