From first-principles schematic to high-mix production handover.
We engineer custom embedded controllers, solid-state power switches, and industrial IoT gateways for international OEMs and enterprise clients from our Mumbai R&D facility.
Pre-Validated OEM Platforms
Proven circuit topologies, certified firmware libraries, and verified silicon blocks reducing time-to-market for enterprise hardware programmes by up to 60%.
Modular Microcontroller Platform (ARM Cortex-M & RISC-V)
Standardised 32-bit hardware abstraction architecture for high-reliability embedded control.
Pre-validated STM32, GD32, and ESP32 industrial carrier designs featuring hardware watchdogs, isolated debug ports, and field-upgradable secure bootloaders.
- ›Dual-bank secure bootloader with automatic rollback on checksum mismatch
- ›Galvanically isolated SWD / JTAG debug interfaces (1500V RMS)
- ›Sub-microsecond interrupt latency handling time-critical power zero-cross switching
- ›Wide input DC-DC buck regulation (8V–40V) with reverse polarity & TVS protection
Solid-State Zero-Cross Power Switch Architecture
Arc-free high-inrush AC switching topology replacing mechanical contactors.
Proprietary solid-state power shifting topology combining high-surge triacs/SCRs and optoisolated gate drivers, eliminating electrical arcing and extending component lifetime.
- ›True zero-cross AC voltage detection with < 50 µs commutation gate triggers
- ›Dual optical isolation barrier separating high-voltage mains from 3.3V logic
- ›Continuous shunt-based True-RMS current monitoring with thermal foldback
- ›Capable of sustaining 16A peak capacitive inrush for up to 20ms
Multi-Channel DALI-2 & DMX/RDM Dimming Platform
16-bit algorithmic logarithmic dimming and multi-spectral circadian tuning.
High-density multi-channel LED driver core supporting DALI DT6 (intensity), DALI DT8 (tunable white / RGBW), and DMX-512 with Remote Device Management (RDM) discovery.
- ›16-bit PWM dimming resolution down to 0.1% without stepping or stroboscopic effect
- ›Circadian CCT curve generation from 1800K to 6500K with automated Melanopic Lux mapping
- ›Active thermal throttling protecting LED engine from junction over-temperature
- ›DALI-2 certified state machine with integrated bus power supply options
WiseGrid Edge Industrial Telemetry & Fieldbus Multiplexer
Isolated multiprotocol gateway with onboard non-volatile time-series logging.
Edge computing hardware bridging field protocols (MODBUS, DALI, CAN, BACnet) to enterprise SCADA and cloud telemetry systems with hardware-accelerated TLS 1.3 cryptography.
- ›Optically isolated RS-485 transceiver with switchable 120Ω bus termination
- ›Cryptographic hardware element (Microchip ATECC608) for tamper-proof key storage
- ›Onboard 32MB SPI Flash spooling up to 90 days of offline telemetry during outages
- ›Dual 10/100 Ethernet MAC or 4G Cellular / LoRaWAN uplink configurations
OEM / ODM Engineering Services
Four disciplined phases delivering complete intellectual property (schematics, layouts, firmware source, test harnesses) with zero vendor lock-in.
Turnkey Product Engineering & System Architecture
We translate complex client operational specifications into rock-solid, manufacture-ready electronic architectures. Covering electrical safety boundaries, communication topology selection, and bill of materials cost optimisation from Day 1.
- ✓Detailed Hardware Specification Document (HSD)
- ✓Regulatory Compliance Roadmap (IEC, BIS, CE, UL)
- ✓High-level 3D Mechanical CAD Enclosure Drafts
- ✓Initial Component Selection & Preliminary Bill of Materials
Hardware Schematic, Multilayer PCB Design & Simulation
Rigorous electronic circuit development with strict adherence to IPC Class 2 and Class 3 design standards. Specialising in high-density interconnects, isolated switch-mode power supplies, and low-noise RF analog layouts.
- ✓Multilayer High-Speed PCB Layouts (Altium Designer)
- ✓Signal & Power Integrity Analysis Reports
- ✓Gerber RS-274X, ODB++, and IPC-2581 Manufacturing Packages
- ✓Full Interactive 3D STEP Models for Mechanical Fitment
Embedded Firmware, BSP & Protocol Stack Development
Deterministic, bug-free embedded software written to aerospace-grade rigor. We write lean bare-metal drivers and FreeRTOS / Zephyr multi-tasking engines with hardware watchdog protection and robust fail-safes.
- ✓MISRA-C / Modern C++ Production Firmware Codebases
- ✓Custom Board Support Packages (BSP) for Bare-Metal & RTOS
- ✓Validated Protocol Drivers (DALI-2, CAN-FD, MODBUS, BACnet)
- ✓Automated Hardware-in-the-Loop (HIL) Test Harness Scripts
Rapid Prototyping, Pre-Compliance & EMS Handover
From rapid prototyping in our Mumbai R&D facility to high-mix production handover. We fabricate proof-of-concept units, execute thermal chamber burn-in, perform pre-compliance testing, and train EMS assembly technicians.
- ✓Functional Golden Engineering Samples (BOM + SMT)
- ✓In-House EMC Pre-Compliance Test Reports (Conducted & Radiated)
- ✓Automated Production Test Jigs & Bed-of-Nails Fixtures
- ✓Complete Production Transfer Dossier for EMS Partners
Rigorous Lab Validation & Pre-Compliance
Every prototype developed at AISPL undergoes intensive stress testing before tooling fabrication or customer pilot batch release.
EMC Pre-Compliance
In-house conducted emissions testing using LISNs and spectrum analyzers conforming to CISPR 15 / CISPR 32 standards.
Thermal Chamber Burn-In
72-hour elevated-temperature accelerated life testing (-20°C to +85°C) to expose premature component infant mortality.
Surge & Transient Immunity
High-voltage surge testing up to 6kV (IEC 61000-4-5) and fast transient burst testing (IEC 61000-4-4).
Bed-of-Nails Automated Test Jigs
Custom pogo-pin test jigs with automated firmware flashing, serialisation, and cryptographic certificate provisioning.
Initiate an Engineering Consultation
Discuss your custom hardware specification, protocol requirement, or ODM production requirements with AISPL leadership in Mumbai.