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VB525SP
STMicroelectronics
IC PWR DRVR BIPOLAR 1:1 PWRSO10
2190 Pcs New Original In Stock
Power Switch/Driver 1:1 Bipolar 9A 10-PowerSO
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*Quantity
Minimum 1
Minimum 1
5.0 / 5.0
- (257 Ratings)
VB525SP
Product Overview
8143997
DiGi Electronics Part Number
VB525SP-DGManufacturer
STMicroelectronics
VB525SP
Description
IC PWR DRVR BIPOLAR 1:1 PWRSO10Inventory
2190 Pcs New Original In Stock
Power Switch/Driver 1:1 Bipolar 9A 10-PowerSO
Quantity
Minimum 1
Minimum 1
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VB525SP Technical Specifications
Category
Power Management (PMIC), Power Distribution Switches, Load Drivers
Packaging
-
Series
VIPOWER™
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
4.5V ~ 5.5V
Voltage - Supply (Vcc/Vdd)
-
Current - Output (Max)
9A
Rds On (Typ)
-
Input Type
Non-Inverting
Features
Status Flag
Fault Protection
Current Limiting (Fixed), Over Temperature
Operating Temperature
-40°C ~ 150°C (TJ)
Mounting Type
Surface Mount
Supplier Device Package
10-PowerSO
Package / Case
PowerSO-10 Exposed Bottom Pad
Base Product Number
VB525
Datasheet & Documents
Datasheets
Download VB525SP Product Specification (PDF)
HTML Datasheet
VB525SP-DG
Environmental & Export Classification
RoHS Status
ROHS3 Compliant
Moisture Sensitivity Level (MSL)
1 (Unlimited)
REACH Status
REACH Unaffected
ECCN
EAR99
HTSUS
8542.39.0001
Additional Information
Standard Package
50
Reviews
5.0/5.0-(Show up to 5 Ratings)
December 02, 2025
Chaque livraison a été parfaite, rapide et sans soucis.
December 02, 2025
Je suis très satisfait de leur interface intuitive et des prix avantageux qu'ils offrent.
December 02, 2025
注文後、すぐに発送されてすぐ手元に届きました。商品の質もとても良く、満足です。
December 02, 2025
Sportlich schnelle Lieferung, die Waren waren perfekt verpackt und unbeschädigt.
December 02, 2025
Die Lieferzeiten sind bei Di Digi Electronics unschlagbar, ich habe nie so schnell bestellt und bekommen.
December 02, 2025
The consistency in their product offerings reflects their professionalism.
December 02, 2025
Shipment was lightning fast; I received my order the very next day.
December 02, 2025
Their customer service team always exceeds our expectations post-sale.
December 02, 2025
Consistently quick delivery times make my shopping experience seamless.
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Frequently Asked Questions (FAQ)
Can the VB525SP be safely replaced with a modern equivalent like the STMicroelectronics VN5E010AH in a legacy automotive low-side driver design, and what are the critical compatibility risks?
Direct replacement of the obsolete VB525SP with the VN5E010AH is not recommended without design review. While both are low-side bipolar power drivers with similar current ratings (VB525SP: 9A, VN5E010AH: 10A), the VN5E010AH uses a different package (PowerSSO-12 vs. PowerSO-10), requires different PCB layout and thermal management, and has a higher input voltage range (up to 36V vs. 5.5V for VB525SP). Additionally, the VN5E010AH includes advanced diagnostics (current sense, open-load detection) that may affect control logic if not accounted for. Migrating requires verification of pinout compatibility, thermal performance under load, and firmware adaptation for status flag interpretation.
What are the thermal design risks when using the VB525SP in a high-ambient-temperature industrial application near its 150°C TJ limit, and how should the PCB be laid out to avoid premature failure?
Operating the VB525SP near its 150°C junction temperature limit in high-ambient environments significantly increases the risk of thermal runaway and reduced lifetime. The PowerSO-10 package relies heavily on the exposed bottom pad for heat dissipation—insufficient copper area or lack of thermal vias can cause localized hot spots. To mitigate risk, use a minimum of 4–6 thermal vias under the pad connected to a large internal ground plane, maintain ambient airflow if possible, and derate output current by at least 20% above 85°C ambient. Monitor case temperature and consider adding a thermal shutdown circuit if operating above 125°C TJ is unavoidable.
Is the VB525SP suitable for driving inductive loads like relays or solenoids without additional protection circuitry, and what failure modes should be anticipated?
The VB525SP lacks integrated flyback diodes or active clamp circuits, making it vulnerable to voltage spikes when switching inductive loads. Without external protection (e.g., a freewheeling diode or TVS across the load), inductive kickback can exceed the device’s absolute maximum ratings and cause catastrophic failure. For reliable operation with relays or solenoids, always include a reverse-biased diode (e.g., 1N5819) across the load or use an RC snubber. Additionally, ensure the status flag output is not affected by transient noise during turn-off, as false fault indications may disrupt system logic.
How does the VB525SP compare to the Infineon BTS4140N in terms of reliability and fault handling for 24V industrial systems, and can it be used as a drop-in alternative?
The VB525SP is not a viable drop-in replacement for the Infineon BTS4140N in 24V systems due to fundamental voltage limitations. The VB525SP supports only 4.5V–5.5V load voltage, while the BTS4140N operates up to 40V and includes robust protections like short-circuit robustness and active current limitation. Attempting to use the VB525SP in a 24V rail risks immediate overvoltage damage. Even in 5V systems, the BTS4140N offers better diagnostic feedback and higher ESD immunity. For new designs, prefer modern smart high-side drivers; for VB525SP-based legacy systems, restrict use to 5V logic-level applications only.
Given that the VB525SP is marked obsolete, what long-term supply chain and reliability risks should I consider before finalizing a new product design that still uses this part?
Using the obsolete VB525SP in a new product design introduces severe long-term risks, including sudden end-of-life notices, allocation shortages, and potential counterfeit components in the aftermarket. STMicroelectronics no longer guarantees future production, and with only 2,128 units currently in stock, scalability is limited. For new designs, immediately transition to a supported alternative such as the VN5E010AH or similar VIPOWER™+ devices. If redesign isn’t feasible, secure a lifetime buy and implement rigorous incoming inspection (X-ray, electrical testing) to detect counterfeits. Document a full migration path to avoid field failures and supportability issues over the product’s lifecycle.
Quality Assurance (QC)
DiGi ensures the quality and authenticity of every electronic component through professional inspections and batch sampling, guaranteeing reliable sourcing, stable performance, and compliance with technical specifications, helping customers reduce supply chain risks and confidently use components in production.
VB525SP CAD Models
STMicroelectronics VB525SP PCB symbols & footprints
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