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VB921ZVFI The STMicroelectronics VB921ZVFI is a monolithic high voltage integrated circuit designed for electronic car ignition systems. It offers internal coil current limiting and voltage clamping.
Mfr Part #:

VB921ZVFI

Available from 2 distributors
Mfr Name: STMicroelectronics
STMicroelectronics
The STMicroelectronics VB921ZVFI is a monolithic high voltage integrated circuit designed for electronic car ignition systems. It offers internal coil current limiting and voltage clamping.
✓ Total Stock: 4,215 pcs
$ Price Range: $0.32

VB921ZVFI Available from 2 distributors

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Components Technology Group, Inc. ✓
Non-Authorised Inventory information
4,000 pcs
On Request
4000 pcs On Request 1 On Request On Request On Request On Request On Request
Hybrid Electronics ✓
Non-Authorised Inventory information
215 pcs
On Request
215 pcs On Request 1 On Request On Request 101 On Request On Request
DistyParts aggregates offers from multiple distributors. Final prices, lead times and terms are subject to the distributors' discretion and may change without prior notice. DistyParts is not liable for any discrepancies.

VB921ZVFI Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Current
Mounting Type
Number of Outputs
Operating Temperature
Output Type
Ratio
Supplier Device Package
Switch Type
Voltage
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VB921ZVFI Description

Short technical summary and product information.

The STMicroelectronics VB921ZVFI is a high voltage integrated circuit utilizing VIPower M1-2 technology. It is specifically designed for high-performance electronic car ignition applications, providing integrated coil current limiting and collector voltage clamping without requiring external components.

 

Key electrical specifications include a high voltage clamp of 340V, an internally set coil current limit of 7.5A, and a power stage saturation voltage of 2.5V. The device operates with an input voltage range of 4.2V to 5.5V and has a maximum input current of 10mA.

 

Packaged in an ISOWATT-220 configuration with through-hole mounting, the VB921ZVFI is suitable for demanding automotive environments. Its operating temperature range is -40°C to 150°C (TJ), with a total dissipation of 40W at 25°C.

 

This device is particularly useful where precise coil current control and robust voltage protection are essential for reliable ignition system performance.

VB921ZVFI Quick Information

Product Type: Power IC
Canonical Name: VB921ZVFI High Voltage Ignition Coil Driver
Subcategory: Power IC

VB921ZVFI Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected

VB921ZVFI Estimated Pricing

Qty Low High
1+ $0.32 $0.32

Estimated market price range - modelled values for guidance only, not live distributor offers.

VB921ZVFI Features

  • Monolithic high voltage ignition coil driver.
  • Integrated high voltage clamp (340V).
  • Internally set coil current limit (7.5A).
  • No external components required.
  • ISOWATT-220 package for through-hole mounting.

VB921ZVFI Applications

  • Suitable for electronic car ignition.
  • Used in high-performance ignition systems.
  • Provides coil current limitation.
  • Offers collector voltage clamping.

VB921ZVFI FAQs

6 frequently asked questions generated from this part’s specifications.
What is the maximum coil current of the VB921ZVFI?

The maximum coil current is 7.5A.

What is the input voltage range for the VB921ZVFI?

The input voltage range is 4.2V to 5.5V.

What is the operating temperature range of the VB921ZVFI?

The junction operating temperature range is -40°C to 150°C.

What package is the VB921ZVFI available in?

The VB921ZVFI is available in a through-hole ISOWATT-220-3 package.

What is the output type of the VB921ZVFI?

The output type is Bipolar.

What is the thermal resistance junction-to-case for the VB921ZVFI?

The maximum thermal resistance junction-to-case is 3.12°C/W for the ISOWATT220 package.

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