STMicroelectronics VN808CMTR-E octal high-side smart power switch (VIPower series)
The STMicroelectronics VN808CMTR-E is an octal high-side smart power switch from the VIPower family, engineered to simplify driving multiple industrial loads from a compact surface-mount package. With eight independent high-side channels rated up to 0.7 A each and a low typical on-state resistance around 0.16 Ω, it is a practical choice for PLC digital outputs, solenoids, valves, lamps, and other 24 V industrial loads where channel density, protection, and reliability matter.
This device comes in a PowerSO-36 package and is supplied in tape-and-reel (TR) for automated assembly, making it attractive for both new designs and production scaling.
At-a-glance
- Brand and series: STMicroelectronics VIPower
- Model: VN808CMTR-E
- Function: Octal high-side smart power switch (8 channels)
- Output current: Up to 0.7 A per channel
- Typical Rds(on): ~0.16 Ω (on-state resistance)
- Package: PowerSO-36, surface-mount
- Packaging: Tape & Reel (TR)
- Integrated protections: Overtemperature shutdown, short-circuit protection, and per-channel inductive clamp
What the VN808CMTR-E is designed to do
The VN808CMTR-E consolidates eight protected high-side switches into one integrated device. Each channel can source up to 0.7 A to an industrial load, helping designers reduce board space and component count compared with discrete drivers. The integrated protections—thermal shutdown, short-circuit protection, and clamp for inductive energy—help safeguard both the device and the system in harsh industrial environments.
Engineers building PLC output cards or distributed I/O modules will appreciate the VN808CMTR-E’s combination of density (8 channels), low on-state resistance, and robust protection feature set. Sourcing managers and buyers benefit from an active lifecycle part that is RoHS compliant and supported by STMicroelectronics’ long-running VIPower family.
Where it fits best
- Multi-channel 24 V industrial output stages
- Compact control modules that need channel protection and load driving in one IC
- Applications where surface-mount assembly and tape-and-reel packaging streamline manufacturing
Key features and benefits
- Eight high-side channels
- Drives up to eight independent loads to the supply rail without external high-side transistors.
- 0.7 A per channel rated output
- Suits a wide range of coils, lamps, valves, and other industrial actuators.
- Low typical on-resistance (~0.16 Ω)
- Reduces power dissipation and voltage drop across the driver, improving efficiency and headroom for your load.
- Parallel logic inputs (8)
- Straightforward control from a host MCU, logic device, or PLC backplane.
- Integrated protection features
- Overtemperature shutdown helps prevent thermal overstress.
- Short-circuit protection adds resilience against wiring faults and load anomalies.
- Per-channel inductive clamp for handling energy from inductive loads during turn-off.
- PowerSO-36 package
- Compact, thermally aware surface-mount format that supports high channel density and automated assembly.
- Tape & Reel packaging
- Ready for high-volume SMT lines with consistent pick-and-place handling.
Detailed specifications
The following specifications are taken from the provided data. Where parameters are not listed, consult the official STMicroelectronics datasheet.
- Manufacturer: STMicroelectronics
- Series: VIPower
- Category: Power Switches / High-Side Drivers
- Channels: 8
- Switch type: High-side
- Output current (per channel): 0.7 A
- On-state resistance (typ): 0.16 Ω
- Input/control: Parallel logic inputs (8)
- Integrated protections: Overtemperature shutdown, short-circuit protection, per-channel inductive clamp
- Package / case: PowerSO-36
- Mounting type: Surface mount
- Packaging: Tape & Reel (TR)
- Pin count: 36
Not specified in datasheet (in provided data):
- Supply voltage range
- Logic-level thresholds and input structure
- Diagnostic feedback features (if any)
- Switching speed, tON/tOFF
- Operating temperature range
- Thermal resistance metrics
If your design depends on these parameters, please refer to the official datasheet: https://www.st.com/resource/en/datasheet/vn808cm.pdf
Applications
The VN808CMTR-E addresses a broad spectrum of industrial and embedded control use cases where protected high-side switching is preferred:
- Industrial automation outputs
- PLC digital output modules
- Relay, solenoid, lamp, and valve driving
- General-purpose 24 V industrial load switching
Design considerations for common loads
- Solenoids and valves: The integrated per-channel clamp simplifies handling of inductive kickback at turn-off. Always verify energy and current profiles against the datasheet’s protection capabilities.
- Lamps and indicators: Inrush current can exceed steady-state ratings. Evaluate start-up behavior to ensure compliance with the 0.7 A per-channel capability.
- Relay coils: The clamping function supports inductive loads. Ensure coils’ steady-state and transient currents stay within channel and package limits.
Control interface and channel usage
The VN808CMTR-E offers eight parallel logic inputs to independently control each high-side channel. This arrangement is simple to integrate with MCUs, FPGAs, or PLC logic stages.
Practical tips:
- Keep logic ground references tight and minimize loop area to reduce susceptibility to industrial noise.
- If several channels switch simultaneously, consider supply decoupling strategies and layout practices to maintain stable operation.
Note: Detailed logic thresholds, input current, and any built-in input filtering are not specified in the provided data. Check the datasheet for electrical interface details and timing characteristics.
Protection and reliability
Integrated protections reduce external component count and help harden the output stage against real-world hazards:
- Overtemperature shutdown: Limits self-heating effects by turning off channels when internal temperature exceeds protection thresholds.
- Short-circuit protection: Reduces risk of damage in wiring faults or mis-terminations. Exact trip behavior and retry modes should be verified in the datasheet.
- Inductive clamp (per channel): Absorbs energy upon turn-off of inductive loads, lowering the need for external flyback components in many cases.
While these protections add robustness, best practice is to:
- Provide adequate supply decoupling close to the device.
- Observe thermal design limitations for the PowerSO-36 package and your PCB copper area.
- Validate worst-case scenarios, including multiple concurrent overloads.
Packaging, assembly, and thermal notes
- Package: PowerSO-36
- Pin count: 36
- Mounting: Surface mount (SMT)
- Packaging: Tape & Reel (TR)
Assembly guidance:
- Use the manufacturer’s recommended land pattern and solder profile for the PowerSO-36 package.
- Ensure generous copper for heat spreading on power pins and the thermal tab area if applicable.
- Plan for airflow or additional thermal management where multiple channels may run near their limits simultaneously.
Thermal performance specifics (e.g., θJA, θJC) and recommended PCB copper areas are not specified in the provided data. Consult the datasheet for detailed thermal guidance.
Compliance and environmental
- RoHS: RoHS compliant (lead-free)
- REACH: SVHC-free per manufacturer declarations (ECOPACK)
Environmental and reliability testing data beyond the above are not specified in the provided data. If you require documentation for qualification, refer to STMicroelectronics’ product page and compliance documents.
Lifecycle and sourcing
- Lifecycle status: Active (per STMicroelectronics official product literature)
- Replacements: None listed in the provided data
Sourcing notes:
- The orderable VN808CMTR-E corresponds to the VN808CM family in a tape-and-reel, RoHS-compliant configuration and PowerSO-36 package.
- For production, verify the orderable part code, packaging quantity, and any suffixes with your distributor to ensure it matches your assembly process (e.g., TR reel size, moisture sensitivity level, and packing orientation). These details are not specified in the provided data and should be confirmed against the datasheet or product label.
If long-term availability is critical, consider setting second-source policies at the design level (e.g., designing footprints and interfaces to accommodate alternate 8-channel high-side devices). However, note that no direct replacements are provided here, and electrical/thermal behavior may differ across manufacturers and families.
Why choose the STMicroelectronics VN808CMTR-E
- Integration and density: Eight protected high-side channels in one PowerSO-36 IC reduces PCB area and BOM complexity.
- Efficiency and headroom: A typical 0.16 Ω Rds(on) supports lower voltage drop and heat generation compared with higher-resistance drivers.
- Industrial-ready protections: Overtemperature, short-circuit protection, and per-channel clamping address the realities of inductive and fault-prone environments.
- Manufacturing friendly: Tape-and-reel packaging and SMT format streamline assembly.
- Active lifecycle and compliance: Backed by STMicroelectronics with RoHS and REACH alignment noted in the provided data.
Frequently asked questions (FAQs)
Q: How many channels does the VN808CMTR-E provide?
A: Eight independent high-side channels.
Q: What is the per-channel current capability?
A: Up to 0.7 A per channel.
Q: What is the typical on-state resistance?
A: Approximately 0.16 Ω (typical).
Q: What package does the VN808CMTR-E use?
A: PowerSO-36, surface-mount, supplied in Tape & Reel (TR).
Q: What protections are integrated?
A: Overtemperature shutdown, short-circuit protection, and per-channel inductive clamp.
Q: Is it suited for inductive loads like solenoids and valves?
A: Yes. The device includes per-channel clamping intended to manage inductive energy during turn-off. Always verify load conditions against datasheet limits.
Q: Is it RoHS compliant?
A: Yes, it is lead-free and RoHS compliant according to the provided data.
Q: Does it provide diagnostic feedback (e.g., fault flags)?
A: Not specified in datasheet (in the provided data). Check the official datasheet for diagnostic features.
Q: What is the operating temperature range and supply voltage?
A: Not specified in datasheet (in the provided data). Refer to the datasheet for exact limits.
Resources
- Datasheet: https://www.st.com/resource/en/datasheet/vn808cm.pdf
If you are evaluating the STMicroelectronics VN808CMTR-E for a new design, start with the official datasheet to confirm electrical limits, pinout, recommended PCB footprint, and thermal guidance. When moving to production, coordinate with your distributor for packaging details and moisture sensitivity handling to align with your manufacturing process.
Summary
The STMicroelectronics VN808CMTR-E is an octal high-side smart power switch that blends channel density, low on-resistance, and integrated protections in a compact PowerSO-36 package. With 0.7 A per channel and features like overtemperature and short-circuit protection plus per-channel inductive clamping, it targets PLC outputs and 24 V industrial loads where reliability and efficiency are central. It is RoHS compliant and listed as active, and it ships in tape-and-reel for streamlined SMT assembly. For complete electrical specifications and application constraints, consult the official STMicroelectronics datasheet.