Lead Controls Engineer – Power Electronics

🕒 Outubro 9

🏄 California – Remoto

🏄 California – Remote

💵 $150.000 - $175.000 / ano

⏰ Tempo Integral

🟠 Sênior

👷🏻‍♀️ Engenheiro

👻 Score fantasma 3%

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Proper Voltage

SiteLinkedInTodas as Vagas

11 - 50 funcionários

Fundada em 2020

🏭 Manufatura

⚡ Energia

☁️ SaaS

Manufacturing • Energy • SaaS

A Proper Voltage é uma empresa de tecnologia B2B que fornece um Sistema Operacional de Baterias (bOS) — uma camada de controle e plataforma de software que faz a ponte entre químicas avançadas de baterias e sistemas de energia de produtos do mundo real. A plataforma permite que fabricantes de produtos e fabricantes de baterias adotem novas tecnologias de baterias de forma segura e sem a necessidade de redesenho de hardware ou recertificação, otimizando o uso de energia, a segurança e a velocidade de implantação. A Proper Voltage se concentra na integração de diversas químicas de baterias, simplificando os ciclos de certificação e integração, e oferecendo gerenciamento de energia e monitoramento baseados em software para produtos comerciais e industriais.

Descrição

• Lead control design for bidirectional DC/DC power conversion stages, including current and voltage loops, mode transitions, and protection behavior • Design controls for four-switch buck-boost and multiphase interleaved converters, including feedforward and phase current balancing • Derive small-signal plant models for buck, boost, four-switch buck-boost, and multiphase interleaved topologies • Design PID, type II/III, 2p2z/3p3z compensators and feedforward paths • Discretize control designs for digital implementation and specify sample rates and delay budgets • Build closed-loop converter models in PLECS and/or MATLAB/Simulink and verify switching cells with SPICE-class tools • Automate simulation, parameter sweeps, tolerance analysis, worst-case analysis, and stability checks using Python or MATLAB • Run production C control code in simulation to verify firmware implementation before hardware testing • Define operating modes, transitions, bumpless transfer requirements, protection thresholds, and response times • Translate designs into firmware-ready specifications including block diagrams, difference equations, coefficients, scaling, limits, and expected margins • Collaborate with firmware engineers through implementation, code review, and bench debugging • Measure loop gain, transient response, and ripple on hardware and correlate results against models • Contribute to hardware design reviews involving sensing, anti-aliasing filters, magnetics, and gate drive • Serve as technical lead by establishing control design and verification practices and reviewing other engineers' work • Author control specifications and certification evidence for UL 1973, UL 1998, and UL 9540

🎯 Requisitos

• BS in Electrical Engineering or equivalent demonstrated capability • Six or more years designing control systems for switched-mode power converters • Direct, hands-on experience designing control loops for switched-mode power converters that reached validated hardware • Ability to name the topology, control mode, switching and sampling frequencies, compensator structure, and achieved crossover and phase margin for a personally designed converter • Working command of small-signal modeling, including state-space averaging or equivalent • Frequency-domain design expertise: Bode and Nyquist analysis, crossover, phase and gain margin, and right-half-plane zeros • Working command of discrete-time control, including s-to-z mapping, sampling and computational delay effects, aliasing, and quantization • Fluency in PLECS or MATLAB/Simulink, with ability to build converter models • Proficiency in Python or MATLAB scripting for simulation automation and data analysis • Working proficiency in C for reading and writing control code, running it in simulation, and evaluating firmware fidelity • Understanding of PWM-triggered ADC sampling, update latency, fixed-point range and resolution, and ISR timing budgets • Independent lab capability with oscilloscopes, isolated and differential probes, current probes, electronic loads, bidirectional supplies, and a network or frequency response analyzer • Track record of written control design specifications successfully implemented by another engineer • Preferred: MS or PhD in Electrical Engineering focused on power electronics or control systems • Preferred: bidirectional and multiphase interleaved converter control, coupled inductors, current sharing, and phase balancing • Preferred: average current mode control and feedforward design for four-switch buck-boost converters • Preferred: large-signal behavior, including mode transitions, discontinuous conduction boundaries, saturation recovery, and limit cycles • Preferred: wide-bandgap power stages (GaN, SiC) • Preferred: digital power controllers such as dsPIC33C, TI C2000, or STM32G4 • Preferred: hardware-in-the-loop or real-time simulation platforms such as PLECS RT Box, Typhoon HIL, or OPAL-RT • Preferred: Python numerical tools such as NumPy, SciPy, or python-control • Preferred: battery energy storage, EV charging, photovoltaic inverter, or grid-interactive converter experience • Preferred: functional safety and certification exposure, including IEC 61508, UL 1973, UL 1998, UL 9540, and FMEA • Preferred: version control and code review applied to models and analysis scripts

🏖️ Benefícios

• Equity options as part of the compensation package • Comprehensive healthcare benefits (medical, dental, vision) • Generous paid time off • Paid holidays (PTO) policy

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