STMicroelectronics VND830ASP

Overview

VND830ASP from STMicroelectronics is a dual-channel high-side solid-state relay IC designed for automotive and industrial load switching with ground-referenced loads. It delivers 6 A DC per channel, features 60 mΩ R_DS(on) at 25°C, integrated proportional current sense (K ≈ 1300), and comprehensive protection including thermal shutdown (150°C), overvoltage clamp (41–55 V), undervoltage lockout (4 V typ), reverse battery tolerance, and loss-of-ground detection.

For engineers reviewing the VND830ASP datasheet, VND830ASP pinout, VND830ASP application, or VND830ASP equivalent, this device is selected for robust 12 V/24 V automotive body control modules, smart junction boxes, and industrial PLC output stages requiring accurate analog current monitoring, fast fault response, and ISO 7637-2 transient immunity.

Technical Context

The VND830ASP integrates two independent VIPower M0-3 high-side switches in a single PowerSO-10™ package, each with CMOS-compatible digital inputs, dedicated current-sense outputs (ISENSE1/ISENSE2), and autonomous protection circuitry. Its architecture enables simultaneous channel operation with no cross-talk, while internal clamping diodes and thermal sensing eliminate external protection components for most 12 V/24 V systems.

Each channel implements proportional current sensing via a precision ratio (K = 1000–2000) between load current and sense pin voltage, with drift ≤ ±10% over −40°C to +150°C. Protection logic responds independently per channel: thermal shutdown triggers at 150°C with 15°C hysteresis, overvoltage shuts down above 36 V, and undervoltage disables output below 4 V.

Key Specifications

Pinout & Package

Package: PowerSO-10™ (exposed pad, thermally enhanced SO-10 variant with 10 leads, 1.27 mm pitch, JEDEC MS-012AC compliant).

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar high-side driver applications.

Compared with VND830ASP, STSPIN840 offers higher current and PWM capability but sacrifices dual-channel convenience and analog sense; BTS724G adds digital configurability and lower on-resistance but removes direct analog feedback, increasing system complexity for basic load monitoring.

Availability

VND830ASP is available at Aetrix Electronics and suitable for automotive body control modules, industrial programmable logic controllers, and smart junction boxes requiring stable component supply across extended temperature ranges and high-reliability transient environments.

Supply support for VND830ASP 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-grade power ICs, microcontrollers, and sensors with broad industrial certification coverage.

The VND830ASP belongs to ST's VIPower family of high-voltage intelligent power switches, engineered specifically for automotive body electronics and industrial control applications demanding high integration, robustness, and diagnostic capability.

FAQ

What is the maximum safe operating voltage for VND830ASP's V_CC pin?

The absolute maximum V_CC rating is 41 V DC, but the recommended operating range is 5.5–36 V. Operation above 36 V triggers overvoltage shutdown, and sustained exposure beyond 41 V risks permanent damage. For ISO 7637-2 Pulse 5a (86.5 V), an external TVS diode is mandatory to limit clamped voltage within the 41 V limit.

Can unused INPUT and CURRENT SENSE pins be left floating?

No. Unused INPUT pins may be left unconnected, but unused CURRENT SENSE pins must be tied directly to GND to prevent leakage current errors and ensure stable biasing of internal sense circuitry. Floating sense pins cause unpredictable offset and potential false fault reporting in multi-channel configurations.

How does the VND830ASP respond to ground pin disconnection?

Upon loss of GND connection, both channels immediately disable output and force sense pins to 0 V. This behavior is hardwired into the protection logic and occurs within microseconds - independent of temperature or supply voltage - ensuring fail-safe operation during wiring faults or connector corrosion.

Is the current sense ratio K calibrated per unit or guaranteed across production lots?

K is specified as a min/typ/max range (e.g., 1000–2000 for I_OUT = 0.25 A), not unit-calibrated. System-level calibration is required for <1% current measurement accuracy. The ±6% drift over temperature and ±10% initial tolerance mean designs must accommodate 20% full-scale error unless compensated in firmware using known load references.